Proceedings of the 2014 International Conference on Mechanics and Civil Engineering

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189 articles
Proceedings Article

Cracking Analysis of the Cable Saddle in Extradosed Bridges Based on the Extended Finite Element Method

Shi-Feng LIN, Qiao HUANG, Shi-Xiang HU, Yi-He LIU
Cable pylons are important components of extradosed bridges. However, cable pylons pose difficulties in design and analysis because of their complicated loading conditions in the anchorage zone. In the present paper, taking the super-large Ningjiang Songhua River Bridge as the reference, a theoretical...
Proceedings Article

Problems and Countermeasures of Linyi Hotel Real Estate Development and Management

Zhong-Xiu LIU
In recent years, the development of real estate projects gets into the new stage of integration. The joint of the related industries and real estate is showing from different angles. This paper describes the conception of hotel real estate. As non- professionals, there are many problems in the process...
Proceedings Article

The Research of High-speed Rail Bridge Construction Deformation Prediction System Based on Genetic Neural Network

Cheng-Xue YU, Mian TANG, Yu-Cai NING, Xu-Hui HE
Based on the structural feature of high speed railway bridge , one space finite element model is established for the construction of the influence factors of the bridge deformation sensitivity analysis . Using adaptive genetic algorithm and neural network technology , taking the deformation of the bridge...
Proceedings Article

Narrow Space of Deep Foundation Pit Engineering Design Study

Bao-Xue SHAN, Lu-Chao LIU, Jian-Nan LI
Combine with examples of successful projects, use of mature technology flexibly, analysis of narrow space of deep foundation pit engineering design, provide a reference for the design and construction of similar projects
Proceedings Article

Review on the Numerical Simulation Methods of Cooling Pipe in Mass Concrete

Guang-Pu HOU, Guo-Dong JIN, Yi-AN ZHOU, Er-Zhao LOU, Sheng QIANG
In early twentieth Century, with a large number of applications of concrete in hydraulic structures, concrete crack has gradually attracted people's attention. Most scholars think, the cause of crack in hydraulic concrete is mainly because temperature stress. Proved by engineering examples, cooling pipe...
Proceedings Article

The Dredging Layout Scheme Research of Xigang Channel in Dongliu Waterway

Liang SHU
In order to determine reasonable channel layout and maintenance the dredging areas, this paper set up mathematics model of two-dimensional water flow for channel, and the numerical simulation results are verified by the observed data. Based on this, the fluid field change laws of Xigang channel in flood,...
Proceedings Article

The Research of Stability for Reconstruction Project of Sluice in Baihe Dazhantou

Meng-Ying BIAN, Lei TANG, Hui CHEN, Jia-Peng MEI
Currently, there are more and more sluice construction projects, and the demands of project qualities continue to improve. In sluice design researches, stability study may be very difficult. Combining with the practical project, this paper analyzes the stability of sluice chamber and retaining wall in...
Proceedings Article

Numerical Simulation Analysis of the Influence of Underground Pipeline by Shield Construction

Ke-Wei DING, Xue-Xue TONG
This test using MIDAS/GTS simulated the effect of shield tunnel excavation on the surrounding pipeline.Numerical analysis of the soil is using Mohr - Coulomb model and the pipe and lining Linear elastic model.In the process of simulation,the tunnel stress gradually release are considered and the linings...
Proceedings Article

Analysis and Research on the Quality Detection of the Structural Entity of Civil Engineering Division in Lujiang’s Gymnasium

Ke-Wei DING, Yong-Ming SUN, Yang WANG
The detection results in the article are gained through tests on the material strength, reinforcement location, scantling design and slab thickness of civil engineering division of Lujiang’s gymnasium. As for the substandard parts, treatment proposals are put forward to ensure the project quality
Proceedings Article

Study on the Behavior of Gongan Changjiang Combined Highway and Railway Bridge under Wind

Shi-Xiong ZHENG, Lun-Xiong YI, Xiang-Xu ZHANG
Gongan Changjiang combined highway and railway bridge is a steel truss beam cable-stayed bridge, which main span is 518m, In this paper, the behavior of the bridge under wind is systematically studied by analysis or by wind-tunnel model test. The wind characters at bridge location are analyzed. The vibration...
Proceedings Article

Experimental Analysis on the Accelerating Rheological Failure Process of Soft Soil Based on the Catastrophe Theory

Hua HU, Liang CAI, Jian CHENG, Xiang-Hua LI
The rheologic action of the soft rock-soil could be accelerated by the dynamic load, which induces catastrophe instability failure and more geo-technical engineering accidents and geologic disasters. Marine deposit soft-soil in Xiamen region is taken as the test sample, of which the rheological dynamics...
Proceedings Article

Analysis on the Causes of the Erecting Fault——Wide Concrete Continuous Bridge by Short Line Method

Xing-Fa WU, Yue HUANG
This paper based on Quanzhou bay cross-sea bridge. Quanzhou Bay Bridge Northern Approach, width 20m, was erected with the "T" structure cantilever assembly method. "T" configuration closure may occur Faulting phenomena. Analysts predict that the weight of precast segments, inelastic deformation of segments,...
Proceedings Article

Analysis of Damage Process in High Arch Dam Subjected to Strong Earthquake

Heng CHENG, Guo-Xin ZHANG
In the paper, the nonlinear seismic response of Shapai arch dam subjected to strong earthquake is analyzed by FEM time history analysis method. In the analysis, several comprehensive influencing factors, including infinite foundation radiation damping, damage of concrete, the contact nonlinearity of...
Proceedings Article

Study on the Charge Parameters of Explosive Seismic Exploration Used in Carbonate Strata

Hong-Chao SHI, Ji-Chun ZHANG, Zhong-Ping WEN
As one of the major methods used for geophysical exploration, Seismic exploration applies the propagation law of explosion excitation seismic waves in different strata to detect geological conditions underground. The vibration characteristics of explosion excitation seismic waves will influence the quality...
Proceedings Article

Short-arc Orbit Determination Method for GEO Satellite of Partial Subsatellite Point

Xiao-Jie LI, Jin HUANG, Guang-Ming HU, Ling-Feng ZHU, Kui GENG
Subsatellite point for geostationary satellite(GEO) need to be retained based on the continual orbit maneuver, especially for GEO satellite of partial subsatellite point. How to recover orbit rapidly for GEO based on short-arc tracking is the key factor to improve the service performance and usability...
Proceedings Article

Experiment of Water Phase-change Cycles and Analysis of Damage Characteristics for Argillaceous Dolomite

Jian-Hua DENG, Fang YU, Gui-Lin WANG, Yong-Yi LI
For the purpose of research on behavior of argillaceous dolomite suffering from extreme weather impacts in Guizhou region, Study the behavior of the physical properties of rock samples after the water phase transition effect. By wet and dry cycle test, freeze-thaw cycle test, wet freeze-thaw cycle test...
Proceedings Article

A Discussion on Contact Condition in Simulation of RCFT Columns

Alifujiang XIAMUXI, Akenjiang TUOHUTI, Akira HASEGAWA
In numerical simulation of Concrete Filled Steel Tubular (CFT) columns the treatments to simulation the contact between steel tube and concrete differed greatly between the researchers, and there is also no any unified standard for the friction between the concrete and steel materials. To examine proper...
Proceedings Article

Correlation Degree Analysis of Surface Settlement Influence Factors Around the Pit

Yue-Guang HE, Xiang LIU, Shuai CHEN
The excavation of city subway pit breaking the original balance of the soil, affecting the safety of existed buildings and the surface subsidence of construction are important and direct factors which react to construction impacts. Using the Gray Relational Analysis Theory, through monitoring measured...
Proceedings Article

Anomaly Analysis of Safety Monitoring Data of Shield Method Construction

Yue-Guang HE, Shuai CHEN, Xiang LIU
Monitoring data is the important signal for safety situation decision of shield method construction. This paper analyzes the abnormal types appearing in safety monitoring data of shield method construction, and points out its caused by the environmental quantity anomaly, structure form change, misreading...
Proceedings Article

Large-scale Bridge Distortion Measuring Technique Discussion

Yue-Guang HE, Chun-Jie ZHAO
Deformation Measurement is a large measuring deformation monitoring of bridge and the bridge is structurally controlled an important part of long-term monitoring and diagnosis of health. The article comprehensively analysis contemporary advanced measuring equipment and new technology, such as GPS global...
Proceedings Article

Stochastic Medium Model of Ground Surface Movements due to Foundation Excavation

Yue-Guang HE, Meng ZHOU, Lei-Sen SHAO
Stochastic medium model belongs to in-continuous medium theory. Open-pit slope and the slope are important excavation project that human utilize nature. In this paper, stochastic medium model was used in the foundation pit engineering ground surface movements. The adjacent ground surface movement and...
Proceedings Article

The Surrounding Rock Pressure Research of Tunnel Group with Large Section and Three-hole of Small Neighborhood

Yue-Guang HE, Lei-Sen SHAO, Meng ZHOU
Derivation of parallel three-hole of small spacing Tunnel in shallow non- bias case, surrounding rock pressure formula in sequence of first side hole after middle hole excavation, drawn the corresponding computational model For the study of parallel three holes of small clear space tunnel surrounding...
Proceedings Article

Novel Active Light-emitting Traffic Signs Based on Backlight and Light Uniformity Technology

De-Kai ZHOU, Jian-Xiao MA, Ya-Yun ZHU, Gan LIU
Backlight and light uniformity technology are two key technologies for backlight module design of LCD. On the basis of discussing the advantages and disadvantages of the Intercalated LED traffic signs, backlight and light uniformity technology are creatively applied to the active light-emitting traffic...
Proceedings Article

A Study of Crisis Scheduling Method Based on APTS

Ya-Yun ZHU, Jian-Xiao MA, De-Kai ZHOU
With the complexity increases of the Advanced Public Transportation Systems (APTS), the risk of traffic crisis rises. Through analyzing the characteristic of public traffic safety based on APTS, this paper combines “3G” and ZigBee technologies to locate vehicles in time and get the information of exterior...
Proceedings Article

Safety Monitoring of Engineering Buildings

Yue-Guang HE, Yi-Feng HE, Sen-Lei SHAO
Displacement and deformation of engineering buildings (structures) are objectively inevitable. However, all surface and underground buildings (structures) have certain structural strength to resist surface displacement and deformation. In this paper, monitoring characteristics of high-rise building,...
Proceedings Article

Dynamic Response Analysis of Long-span Continuous Bridge under Earthquake and Train Loads

Xing-Jun GAO, Kun WANG, Ming-Yu LI
In this paper, the dynamic response analysis of long-span continuous bridge under earthquakes and train loadsimultaneously were performed. In order to considerthe coupled vibrations of vehicles and highway long-span continuous bridge, a numerical modelinvolving soil foundation under inclined seismic...
Proceedings Article

Application of Numerical Algorithm Procedure to Classification of Expansive Soil

Xiao-Min HE, Zhan-Bin WANG, Na ZHAO, Ju LUO
Due to the complexity of geological conditions and human factors of indoor physical and mechanical tests, evaluation of swelling potential of expansive soil shows significant characteristics of uncertainty, noise and multi-modal, Therefore its identification and classification is still a complex problem...
Proceedings Article

Characteristic Analysis on Swelling-shrinkage Grade of Expansive Soil

Zhan-Bin WANG, Bin HUANG, Fan TAN, Yan-Yong XU
Relying on North Water Transfer Project, the physical and mechanical indexes that reflect the characterization of expansive soil mechanism and characteristics are deeply investigated. Arming to uncertainty, noise and multi-modal in general experimental of expansive soil, fuzzy sets are introduced to...
Proceedings Article

The Application of BIM Technology and the Three-dimensional Architectural Design

Hao HUANG, Jian-She HUANG
This article describes the characteristics of building information model technology, and analyzes the relative merits of Autodesk Revit with synergistic effect and relative merits of building model and the technical application prospect of Building Information Model, then show an application example...
Proceedings Article

A Method of Hole Center Positioning in Building Steel Plate Image

Xin LI, Mei-Xiu LIU, Xi LI, Fan-Tao ZENG, Xiao-Yu LU, Yuan-Fu GONG
Detection technology research about the steel plate of high-rise buildings has practical application value in building survey. In order to obtain center positions of circular holes in steel plate, Close-range Photogrammetry with advantages of non-contact, high accuracy is employed. According to the coordinate...
Proceedings Article

Investigation and Study of the Wind Resistance of Landscape Tree Africa Neem in Haikou City

Wei WEN, Guang-Fan LI, Wei HU, Xiao-Liang WANG
On July 18, 2014, in the northeast of Hainan and Wenchang has been hitted by a super typhoon “Rammasun” caused widespread lodging and fold of landscape tree in city proper. Regarded this lodging Africa neem in Haikou city as the research object, investigated and study analysis the reasons why the Africa...
Proceedings Article

The Research on Force Condition Checking Calculation of the girder in Construction with Bridge Girder Erection Machine

Er-Yu ZHU, Hong-Liang WANG, Shi-Guang MA
In this paper, combined with the construction of a highway bridge across the railway Beijing-Guangzhou, discusses how to check the process of the construction with bridge girder erection machine.  The contents of the bridge construction which need to be calculated are checked according to the characteristics...
Proceedings Article

Study on the Key technology of Coal Wall Stability Control for Mining All Height at One Time in Thick Seam

Shu-Jiang CUI, Jian-Ming ZHU
Combined with Lade-Duncan strength criterion under plane strain condition, the coal wall spalling mechanism has been analyzed, the width of plastic zone and stress distribution has been studied, has identified the several important influencing factors, and using numerical simulation method for more intensive...
Proceedings Article

The Function of Auxiliary Safety Management Subsystem of Railway Permanent Way Used in the State Analysis of the Track

Hong-Liang WANG, Er-Yu ZHU, Bin ZUO
In this paper, the function of auxiliary safety management subsystem of railway permanent way which used in the state analysis of the track is introduced. The content and process of the auxiliary management subsystem used in the state analysis of the track; the relationship between all components of...
Proceedings Article

The Silty Clay Frozen Heave Characteristics Analysis of Frozen Shrinkage Phenomenon

Hui-Xin ZHAO, Lu XIU, Xiao-Li ZHAO, Gui-Jun WANG
Frozen soil is a kind of special type of soil; it’s sensitive to temperature and quite unstable. In seasonal permafrost region, the fluctuations of temperature will cause a large degree of influence on frozen heaving characteristics. This paper selects the highly frozen heave sensitive silty clay of...
Proceedings Article

FEM Analysis of Welded Spherical Joints’ Stiffness

Fan WANG, Qin-Kai CHEN, Qun WANG, Ke-Wei ZHU, Xing WANG
Welded spherical joints’ stiffness has important influences on the strength and stability bearing capacity of reticulated shells. For complication of theoretical analysis and difficulty on experiments, the stiffness of welded spherical joints which is applied widely in the large-span reticulated shells,...
Proceedings Article

Displacement Analysis of Spherical Thin Shells under the Concentrated Load

Qin-Kai CHEN, Fan WANG, Qun WANG, Ke-Wei ZHU, Xing WANG
The action of concentrated loads on spherical shell has been widely studied. The solution for a concentrated normal force was first obtained by E. Reissner in 1946 by using the classical theory of shallow shells. This problem was also considered by S.P. Timoshenko (1946), Stanislaw Lukasiewic (1979),...
Proceedings Article

Modeling and Static Structural Analysis of Finite Element for a Truck Crane’s Frame

Guo-Bin LI, Nan XU, Rui-Jun ZHANG
A type of truck crane frame was studied and the three-dimensional model is built by CATIA, then the model is imported into ANSYS Workbench to analyze the frame. By analyzing, the results of stress and deformation are got in 2 typical conditions; meanwhile weak parts of structure are pointed out, like...
Proceedings Article

Study on the Method to Improve Equipment Failure Prediction Accuracy

Gang NIU, Jie GAO, Yin-Xia DU
Increasingly high degree of complexity for the equipment, resulting in the issue of failure prediction more difficult, based on the analysis of the failure prediction method, elaborated to improve the accuracy of fault prediction methods from five aspects. Finally, make a summary analysis of it.
Proceedings Article

Enlightenment of Qilou Street Space Intelligence to Pedestrian System Design in Commercial District

Jing CHEN, Fang WANG, Jia-Ping LIU
Aiming at those generally existing problems in urban commercial pedestrian districts, through the design methods of extracting separation of man from vehicle in traditional Qilou pedestrian street space, continuous pedestrian space with shelter, and the behavior paths with combination of commercial activities,...
Proceedings Article

Actual Measurement and Analysis on the Carbonization Depth of the High Titanium Slag Concrete

Lin-Ze LI, Wei CHEN, Qi-Bin YAO
With the help of the Phenolphthalein reagent method, the concrete carbonization depth of several actual engineering projects has been tested in this paper. The study focuses on the impacts of carbonization time imposed on the concrete carbonization depth. Based on the actual testing data, the conclusion...
Proceedings Article

Research of the Underground Filling Mining Technology of the Gently Inclined and Thin to Medium Thickness Phosphate Ore-body with Soft Interlayer

Xiao-Shuang LI, Yao-Ji LI, Meng-Lai Wang
Taking the east mining area of sixth pit of Jinning phosphate rock of the largest open-air phosphate mining company of Yunnan Phosphate Chemical Group Co., LTD. (YPCG) as engineering background, the study of the mining technology of filling method of gently inclined and thin to medium thickness phosphate...
Proceedings Article

Wind Resistance Analysis of Plate-cone Reticulated Shell

Fan WANG, Qin-Kai CHEN, Qun WANG, Ke-Wei ZHU, Xing WANG
Plate-cone reticulated shell is a new type of space steel structure with good mechanical behaviour and technical economy. In this paper, the wind-induced vibration response characteristics of plate-cone reticulated shell are studied. By using the wave superposition method, the fluctuation wind loads...
Proceedings Article

Optimization Analysis of No Winding Composite Floor Pipe Truss and Its Matching Degree

Lei LI, Li-Ting CHEN, Song-Jin WU
With the focuses on cross section of pipe truss, depth span ratio, width height ratio, thickness of concrete slab and concrete strength, this paper uses finite element software ABAQUS to analyze failure mode, ductility and ultimate bearing capacity of no winding composite floor pipe truss, puts forward...
Proceedings Article

Finite Element Analysis of Cross-section Optimal Combination Coefficient of Large-span Composite Floor Pipe Truss

Li-Ting CHEN, Lei LI, Xu-Lin SONG
This paper presents a finite element analysis of the failure mode,ultimate bearing capacity and ductility of composite floor pipe truss with top chord by using ABAQUS software in the aspect of bottom chord cross-section size,depth-span ratio,width-height ratio,concrete slab thickness and strength grade.Put...
Proceedings Article

Study on Effect of Comfort of Composite Tube Truss Floor in Different Sizes of the Concrete Slab

Xin HAN, Yi WANG, Xue-Li ZHAO
Along with the development of our country’s economic and the improvement of science and technology, more and more sleek, novel structure of multilayer large-span spational structure has been developed rapidly. At present, the study for the new composite tubular truss floor is few in our country. However,...
Proceedings Article

Experimental Study on Rotational Behavior of Bolted Glulam Beam-to-column Connections Reinforced Using CFRP Sheets

Ming-Qian WANG, Xiao-Bin SONG, Xiang-Lin GU, Ya-Jie WU, Lie LUO
In this study, three groups of bolted glulam beam-to-column connections with slotted-in steel plates (in total 11 full-scale specimens) were tested under monotonic loading to investigate the rotational behavior of such connections with the use of carbon fiber reinforcing polymer sheets wrapping. The...
Proceedings Article

Study on the Deformation Law of Super Highway Roadbed Crossed by the Metro Tunnel

Wei BAI
According to the Shenzhen Metro Line 7 crossing the Guangzhou Shenzhen highway, the monitoring of highway surface is investigated to determine the deformation control factors and reveal the settlement deformation law of super highway roadbed during the metro tunnel crossing by the mining tunnel method....
Proceedings Article

Experimental Research on Frost Heaving Characteristics of Coarse Grained Soil Filler of High Speed Railway Subgrade in Cold Region

Xiao-Yan Du, Yang-Sheng YE, Qian-Li ZHANG, Ai-Jun CHENG
The Haerbing-dalian high-speed railway subgrade packing is as the research object. Influence factors of frost damage are analyzed, such as packing soil(size composition,Mineral composition,compactness),moisture,temperature external load and salt content, etc. Through characteristic tests of frost heaving,...
Proceedings Article

Fatigue Evaluation of Railway Vehicle Bogie Frame by Different Methods

Fan-Song LI, Ping-Bo WU, Yi-Zhao NIE, Ye SONG
The fatigue strength of a railway vehicle bogie frame is evaluated by different methods, which include endurance limit approach and cumulative damage approach. Haigh-Goodman and Smith-Goodman diagram in general standards are used in endurance limit approach, and four linear damage methods are considered...
Proceedings Article

Experimental Research on the Core Ploughshare Furrow Opener Based on the Discrete Element Method

Shi-Qiang PAN, Zi-Fu CAO, Shang-Shang JIANG, Jian-Qun YU
The working process of the furrow opener is the state of movement between the working parts and the soil particles. The discrete element method (DEM) could not only truly express the geometrical characteristics of the soil particles but also be suitable for the experimental study on the furrow opener....
Proceedings Article

Research on Monitoring Methods of Landslide Based on a Demonstration Project in Zhejiang Province, Southeast of China

Mo-Mo ZHI, Pan PAN, Zhen-Lei WEI
Landslide monitoring is a fundamental work for landslide hazard prediction and landslide treatment. The quality monitoring work will affect the correctness of the decision for disaster prevention. Base on the development of landslide monitoring technology in Zhejiang Province, the paper introduces the...
Proceedings Article

Game Analysis on Safety Management of Construction Engineering

Ai-Hua LIU, Wen-Bin XU, Shi-Liang SHI
In view of the problem that the incidence of accidents in construction industry is high, and the safety management of construction enterprises is weak, the game theory was applied to study the safety management system of the construction engineering. The complete information static game and the incomplete...
Proceedings Article

Study on the Anchorage Location Selection of the New Method

Xiao-Dong LIU, Li MING, Hai-Lan SUN
Anchorage location selection is one of important factors concerning the safety of vessel in the Yangtze river. On the basis of the characteristics of the inland ports and channels, this paper fully considers the safety of anchoring vessels, the surrounding facilities and the vessels sailing nearby, refines...
Proceedings Article

Fractional Order Derivative Nishihara Model of Artificial Frozen Soil

Hui LI, Qiu-Jin ZHANG, Lian-Seng NIU, Ying XU
Strength and creep performance is the most important in the frozen soil mechanics, It is an important basic basis on engineering foundation construction in cold region and artificial freezing method in shaft sinking. However, the nature of the frozen soil creep is complex, as well as the restriction...
Proceedings Article

Based on the Finite Element Limit Equilibrium Method Analyze Earth-Rock Dam Slope Stability

Zan LI, Li-Xiang ZHANG, Meng-Ying BIAN
Based on finite element limit equilibrium method, taking a core embankment dam construction period as the research object and studying on the dam slope stability. Combined with SIGMA / W and SLOP / W module, at first analyze the finite element stress with SIGMA / W module, then, the results are imported...
Proceedings Article

The Hysteretic Behavior of Single C-type Cold-formed Cantilevered Member

Xiu-Li WANG, Yun-Peng CHU, Rong WANG
The flange and web of cold-formed thin-walled steel have small thickness and big width-thickness ratios, its mechanical properties are very different from ordinary steel members. In this paper, we performed three groups of the finite element hysteretic performance analysis of cantilevered member based...
Proceedings Article

Optimum Design of the Lateral Support System for Primary Mirror of Large-aperture Telescope

Yang WANG, Jing-Xu ZHANG, Xiao-Xia WU
The surface figure precision of the primary mirror in a large-aperture telescope is a key factor to the imaging quality. With the finite-element software, the finite-element model is set up base on optimization of the lateral support system. When the primary mirror is supported in the vertical position,...
Proceedings Article

Screening Model Study on Construction Cost Index Calculation Information

Sha-Sha XIE, Shi-Qing DENG, Jing SUN, Song WANG, Cong-Fa CHEN
Due to the diversity of the construction market, we need to select from a large number of typical projects as the research foundation to compile the cost index. Reasonable screening process and method plays as an important factor in the determination of the accuracy of the final result. This paper recommends...
Proceedings Article

Experimental Study on Iron Tailing Foam Concrete

Ming-Yang XIN, Yu-Ze TIAN, Ji-Hong LIU, Meng-Zhen ZHANG, Yong-Jian ZHANG, Hao ZHANG, Qiu-Bai SUN
Through the foam concrete block cement type, water reducer type, content and tailings using water reducing powder content of the different experimental groups, analyzed the relationship between raw material composition and amount due to compressive strength of foam concrete and different effects of moisture...
Proceedings Article

Technology Study on Cast Lightweight Composite Insulation Wall

Ming-Yang XIN, Ji-Hong LIU, Yu-Ze TIAN, Meng-Zhen ZHANG, Yong-Jian ZHANG, Hao ZHANG, Qiu-Bai SUN
Cast lightweight composite insulation wall is a new, energy-saving, environmentally friendly wall materials, this article from cast lightweight composite wall construction technology, quality standards and other aspects of the construction of lightweight composite wall cast a more comprehensive exposition,...
Proceedings Article

Strength Tests and Quality Evaluation of Core Samples of Cement Mixing Piles

Ben-Jiao ZHANG, Bin HUANG, Jun RAO, Xu-Dong FU
In order to study strength and evaluate its quality of cement-soil in on-site construction process, unconfined compressive tests and triaxial CU shear tests were carried out on cement-soil core samples. The analysis of effects of cement mixing content, water cement ratio and lifting speed on strength...
Proceedings Article

Practical Calculation Method of Lateral Displacement for High-rise Structures Considering P- Effect

Xing-Biao ZHANG, Rui-Li SHEN, Dan PENG
In order to facilitate solving lateral displacement of column cap for various kinds of high-rise structures, and provide reliable basis for engineering application, practical calculation formulas were derived for lateral displacement of column cap, based on the equilibrium differential equation of the...
Proceedings Article

Research on the Design of Ecological Architecture

Wen-Juan ZHU, Ying WANG
With the speeding up of the urbanization steps, along with the pathological development of cities, many practitioners begin to pay close attention to design of ecological architecture. The ecological architecture design methods are discussed in the areas such as selection of building materials, ventilation...
Proceedings Article

Normalized Hysteretic Energy Demand of SDOF System Subjected to Earthquake Excitation

Xiao-Shuang ZHANG, Feng WANG, Zhi-Liu ZHOU, Zi-Fan YANG
Currently, the methods of energy-based seismic design have been widely developed. As cumulative response, hysteretic energy can be regarded as an index directly to estimate the earthquake induced structural damage, so it is important for researchers to analyze hysteretic energy demand of SDOF systems....
Proceedings Article

Improved Earthquake Input Energy Spectra for Single Directional Earthquake Excitation

Jian-Yi YANG, Feng WANG, Wen-Xiong ZHOU, Xiu-Qi CUI
Cumulative energy response spectra can generally be used to estimate earthquake energy demand of structures. Some research findings show that the earthquake input energy demand is stable than other forms of energy demand, so it is important for scholars to research earthquake input energy demand and...
Proceedings Article

Prediction and Monitoring of Deformation of Supporting Structure during Excavation of Super-large Foundation Pits

Xiao-Qin WANG, Ting-Ting SUN, Peng-Tao HU
With the construction of the super-large foundation pit for Wuhan metro as the engineering background, this study predicted the deformation of supporting structure and the distribution of earth pressure in the active zone at different stages of step-by-step excavation and analyzed the “soil arching effect”...
Proceedings Article

Temperature Modeling for Concrete-Filled Steel Tube’s Cross Section in Fire

Zhi G. HAN, M. GILLIE
As concrete-filled steel tube (CFST) is widely applied in practical engineering, it is also necessary to study its internal temperature in fire. This paper aims at discovering a simple method for measuring the temperature of CFST’s cross section. Through a series of tests, it is found that Abaqus finite...
Proceedings Article

Influence of the Viscose’s Properties on Load-carrying Properties of Water Conveyance Tunnel Strengthened with Steel Plate

Gan QIN, Shen-Grong CAO
An overall three-dimensional finite element model has been established to simulate the high pressure water conveyance tunnel lining strengthened with steel-bonded reinforcement method. This model is used to analyze the mechanical characteristics of steel plate pasted on the inner surface of the lining...
Proceedings Article

The Crack Resistance of Prestressed Concrete Continuous Box Girder Bridge under the Effects of Shrinkage and Creep

Xun WU, Xian-Shui YI, Chun-Xia TANG
Aiming at the crack phenomena in prestressed concrete continuous box girder bridges at present, on the background of Modaomen Bridge in Guangdong province, the influence of shrinkage and creep on crack resistance for PC box girder bridges is studied and discussed in this thesis. In the three-dimensional...
Proceedings Article

Analysis of Box Girder Cracks on PC Bridge

Xun WU, Jie LI, Xian-Shui YI, Zhi-Chao ZHANG
PC bridges with box girder has been built a lot for recent years, but an outstanding problem is exposed in most built PC bridges with box girder--cracks during the process of construction and operation, which do great harm to the normal use, safety and durability of bridge. This paper analyses the main...
Proceedings Article

Corrosion Rate of Reinforced Bar under Different Strains

Xun WU, Zhi-Chao ZHANG, Jian-Jun YUE
Steel bar corrosion is a major cause of the durability failure of concrete structures. Researches of corrosion were basically done in steel bars without stress by domestic and foreign scholars. Therefore, it is significant to study the relationship between rebar strain and corrosion rate by testing....
Proceedings Article

Detailed Analysis of Arch Foot of a Trough Girder and Arch Composite Bridge with FEA

Xun WU, Zhong-Min TAO, Jie LI
Tied-arch bridges have being widely used in railway for their beautiful shape and rigidity. Current analysis software Midas civil is applied in the overall analysis of many bridges, including the bridge in the article. However, there is huge amount of concrete in the arch foot of the arch bridge, which...
Proceedings Article

Model Test on the Excess Pore Water Pressure of Pipe-pile with Hole during the Static-sinking Pile

Ke-Lin CHEN, Jin-Bo LEI, Zhi LIU
Based on the analysis of the static sinking-pile, the pipe-pile with holes technique is put forward, which can alleviate the disadvantage effect of static sinking-pile effect. The model tests have been carried out for it, and the time-space change rule of the environmental effects of the analysis of...
Proceedings Article

Experimental Research of Mechanics and Microscopic on Nansha Soft Soil Reinforced with Cement-based Curing Agent

Shi-Hua LIANG, Lang ZHANG, Meng WANG
Based on ordinary Portland cement, in this paper, direct shear test and unconfined compression test were conducted on Nansha Guangzhou soft silt blended with admixtures such as lime or gypsum respectively to research its mechanical property and get the correlation between reinforced silt’s internal friction...
Proceedings Article

Research on Construction Technology of Boring and Implanting Bagged Crushed Stone Grouting Pile Sequentially

Xin-Quan WANG, Yun-Liang CUI, Jian-Feng LIANG, Shi-Min ZHANG, Hui ZHANG, Guang-Long CHEN
Recently a lot of projects have adopted crushed stone grouting piles to treat the soft soil foundation. As the conventional crushed stone grouting pile construction is easy to cause cement mortar to lose and poor pile body quality, this paper innovates on the conventional crushed stone grouting pile...
Proceedings Article

Research on Construction Technology of Light Cast-in-place Floor Slab of Built-in Special Y-shaped Steel Plates

Xin-Quan WANG, Yun-Liang CUI, Shi-Min ZHANG, Jian-Hua NAI, Zheng ZHANG
The existing Cast-in-place reinforced concrete floor slab still has some shortcomings as the cracks caused by shrinkage, temperature difference and settlement of the Cast-in-place concrete are difficult to control, a large amount of on-site wet operation leads to noise and environmental pollution, and...
Proceedings Article

Study on Construction Technology of Drainage Prestressed Pipe Pile for Foundation Composed of Alternative Soft and Hard Soil Layers

Xin-Quan WANG, Yun-Liang CUI, Shi-Min ZHANG, Xin-De WEN, Ling-Qian SUN
The soft soil foundation is widely distributed in our country, with the features of high moisture content, high compressibility, low strength and poor water permeability, among which the geological condition of alternate soft and hard soil layers is also common, and the constructions built on such foundation...
Proceedings Article

Study on the Installation Technology of the Pile Head Treatment Device for Minor Diameter Rigid Pile Vertical Static Load Test

Xin-Quan WANG, Yun-Liang CUI, Shi-Min ZHANG, Guang-Tong LI, Jing-Li HAN
During static load test, the pile body is likely to have the problem of eccentric compression. Engineering practice suggests that the key of static load test lies in the avoidance of pile eccentric compression, the precise control of pile driving pressure, and accurate measurement of vertical deformation...
Proceedings Article

Experimental Investigation and Finite Element Analysis for Mechanical Behavior of Steel-concrete Composite Beams under Negative Bending

Y. LIU, B. SUN
Experiments on four steel-concrete composite beams under negative bending were carried out in this paper. The effects of three factors such as bending moment ratio between two ends of a beam, height-to-thickness ratio of web, lateral slenderness ratio of compressive flanges on the bending bearing capacity...
Proceedings Article

Research on a New Composite Isolator

Jie-Ying SUI, Shan-Shan WANG, Weng-Feng LIU
In this paper, a new type of disk spring composite rolling seismic isolator was developed. The isolator isolates horizontal earthquake with SMA to restore to normal position, and dissipate energy. The disk spring isolates vertical earthquake. Adopt Ansys to build the shear model, and contrasts the earthquake...
Proceedings Article

Experimental and Analytical Study on the KT-joints of the All-welded Steel Truss Bridge

Shun-Yao CAI, Wei-Zhen CHEN, Yang ZHAO
In order to fully understand the anti-fatigue performance of KT-joints in the all-welded steel truss of Haihe Grand Bridge in Tianjing, two experiment--one fatigue test using a full-scaled KT-joint and the other fatigue test using two groups of T-components (a total of 8 components) cut out from the...
Proceedings Article

Structural Analysis of Zhihe Prestressed Concrete Aqueduct

Xin-Li BAI, Zhuo-Fei HE, Hao FAN, Bai-Ling ZHANG, Yi-Wen LI, Ling GAO, Yu-Tian WANG, Cheng-Duo DUAN
With the help of software ANSYS, a finite element analysis model was established for the three-directional prestressed concrete aqueduct in South-to-North Water Transfer Project. The effect of the prestress value of steel tendon on the stress of aqueduct body was studied, and the stress states of aqueduct...
Proceedings Article

Experimental Investigation on Flexural Performance of Autoclaved Aerated Concrete Slab

Guo-Wei ZHANG, Bo-Shan CHEN, Qi-Song MIAO, Hui WU, Peng CHEN
With the bending experiment of 9 JINYU reinforced autoclaved aerated concrete slabs the objective of the research was to characterize the flexural performance of cladding panel such as deflections and extent of cracking that the elements would undergo under uniform load and finally recommended a suggestion...
Proceedings Article

Research on Bending Performance and Engineering Application of Autoclaved Aerated Concrete Roof Panel

Guo-Wei ZHANG, Bo-Shan CHEN, Hui WU, Wei XIAO, Cheng-Duo DUAN
To investigate the seismic behavior of autoclaved aerated concrete (AAC) roof panels, the bending experiment of 4 AAC slabs for estimating the deflection and moment capacity was made. All specimens were placed under a test frame using monotonically increasing load till failure. The experimental results...
Proceedings Article

Experimental Study on Fire Resistance of Reinforced Concrete Frame Structure

Xuan ZHANG, Qing-Qing SHEN, Zhong-Yi LI, Song-Hua TANG, Ying-She LUO
The fire tests included fire load and fire temperature had been conducted to nine reinforced concrete frame structures with ISO834 standard heating up curve. Furthermore, the static load tests had also been done under room temperature to the above nine structures after cooling and one reinforced concrete...
Proceedings Article

An Optimal Water Allocation Model Based on Water Resources Sustainable Assessment in Shanshan Region, Northern China

Li-Qin LI, Xin-Min XIE, Chuan-Jiang WEI, Jun-Qiu LIU, Xiang-Nan ZHOU
With the socioe-conomic development of Shanshan region, water demand is rapidly growing. To make adjustments to the water resources carrying capacity, socioe-conomic and ecological environment, this study performed an index system for the water sustainability of Shanshan region. Based on the method of...
Proceedings Article

Some Key Issues of Elasto-plastic Analysis for RC Frame Structure Retrofitted by FRP

Wei LIU, Ya-Ping PENG, Xin-Sheng XU
Based on summary and analysis of research results for RC frame structure retrofitted by FRP, the significance and necessity of elasto-plastic time history analysis was pointed out. Some key issues of elasto-plastic analysis using ABAQUS for RC frame structure retrofitted by FRP were discussed in the...
Proceedings Article

Some Issues of Energy Performance and Management of Residential Buildings in Norway and North-west Russia

Bjørn R SØRENSEN, Raymond RIISE
This article summarizes parts of the work conducted in the Kolarctic ENPI project “Sustainable Buildings for the High North” (SBHN). SBHN had strong focus towards residential buildings performance in the northern Nordic and north-west parts of Russia (Barents region). Results show that there is large...