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An Integrated ANP Modle for Decision-making of Urban Regeneration Projects

Yujuan Liao, Kunhui Ye, Hongyuan Fu, Lin Ma
An integrated model based on ANP method was developed in this paper to optimize the decision-making process of urban regeneration projects. In this model, a nonlinear programming and DEMATEL methods were adopted to improve the processes of traditional ANP, a Zero-one Programming method was used to find...

Reasonable Figure of Subsonic Train Front and Rear in Evacuated Tube Transportation Based on Aerodynamics Consideration

Yaoping ZHANG, Jun ZHU, Baigang MI, Maoxing SHEN
Based on hypothesis of incompressible viscous flow, 2D stable flow field and moving tube wall conditions, as well as Navier-Stokes equation and two-equation turbulent models, the aerodynamic drag imposed on the trains with different front/rear shapes which run at subsonic speed in evacuated tubes were...

Study on GM(1,1) Boundary Model based on Surveying Engineering

Yonghe Deng
GM(1,1) models are widely applied to many fields including surveying engineering.Their researches are growing,and study on boundary conditions of GM(1,1) models is an important work.Based on least squares method,two sorts of new and better methods about boundary condition of GM(1,1) models were put forward...

Study on simplified calculation method for the vibration characters of frame-shear wall structures

Minshui Huang, Yueya Tu, Shishun Zhang
Two simplified methods are introduced in the paper, in which periods and mode shapes are obtained through solving the story lateral stiffness of frame- shear wall structures, the method of solving the differential equation and the method of substructure. On the basis of assumption for structure, the...

Dynamic Analysis on Water Inrush from Fault in Floor

Zhihua ZHOU, Ping CAO, Zhouyuan YE, Yi-xian WANG
In this paper, the deficiency on present mechanism of water inrush from floor is analyzed and it is found that water inrush from fault not only relative with static loads, but also with dynamic loads, especially faults in deep are easily acted by low dynamic loads. Based on fracture mechanics, the fault...

The Stability’s Influencing Factors and Active Control of Hydrostatic Journal Bearing

Peng Liang, Changhou Lu, Shujiang Chen, Jie Ding
The hydrostatic bearings are widely applied in the field of high-speed precision grinding machine due to high precision and high stiffness. But in order to make the hydrostatic bearings more fit for the precision machining with high speed, we have to solve the instability problem of system due to rotor...

Research of Acoustic Detection In Reinforcing Highway Slope With Frame Beam And Grouting Bolt

ZE-PEI XU
Grouting bolts are planted partly at the grid of frame beam in reinforcing highway slope. The dimension of frame beam and the length of bolts are the key parameters in design. Based engineering example by acoustic detection, the effect is appraised with the increasing rate of wave velocity along depth...

Computer Simulation on Structural Plane of Ore-rock By Monte-Carlo Method

Dong Pan, XiBing Li, Yu Wang
Based on Monte-Carlo Method, found a computer method for simulating structural plane of ore-rock with partial actual-dataIt had proved that the method can reflect the true characteristics and distribution rule of structural plane of ore-rock, thereby provided reliable means of block analysis and forecast.

Tunnel Geological Prediction Radar Alternating Electromagnetic Field Propagation Attenuation in Lossy Inhomogeneous Medium

Si Yang Chen, Yan Peng Zhu, Zhong Li, Tian Yu Zhang
Tunnel geological prediction of ground-penetrating radar waves propagation in a lossy inhomogeneous medium, there must be a high-frequency attenuation. We must consider the electrical energy and magnetic energy of the relaxation loss, while the tunnel surrounding the quality factor in determining the...

A New Kind of Seam Tracking System for Laser-MIG Hybrid Welding Based on Image Process

Xiangying Dang, Li Yang
A kind of seam tracking system for laser-MIG hybrid welding has been designed to overcome the defects of existing laser-MIG hybrid welding equipments. Laser vision technology based on image processing has been studied. Line/arc fitting algorithm was applied to data construction for seam. Simulation tracking...

Simulation of Earthquake Response of High-rise Structure

Yun ZHAO, Hua WEI, Haijun WANG
It has been proved by more and more practices that the simulation technique (ST) can get a more satisfied result than experiments in some cases like large-span or high-raise structures. Herein, the ST is applied to simulating the earthquake response of a high building on a rigid-foundation based on the...

Simulation of Earthquake Response of High Building with Soil-structure System

Yun ZHAO, Hua WEI, Haijun WANG
The simulation technique(ST) is applied to simulating the earthquake response of a high building with a soil-structure system.In order to simulate the dynamic response accurately,the soil-structure interaction(SSI) is considered and a three-dimension spring is applied for the model.The time history curves...

Study on Zhongshan’s Urban Construction in Modern Era under the Influence of Xiangshan Commercial Ideologies

Hua Zhang, Xiaoshan Fang, Jie Qi
As the hometown of Sun Yat-sen, the urban construction of Zhongshan City during the modern era has played a pioneering role in the history of Chinese urban construction. The commercial ideologies originated in Xiangshan district which is the cradle of modern commerce in China has exerted profound influence...

Effect of Heat Input to Mechanical properties of Joint for 16MnR and S31803

Li Yang, Xiangying Dang, Meng Li, Nan Ji
The dissimilar joints of 16MnR and S31803 were obtained by means of SMAW and GTAW. Hardness of joints has been tested. The results show that hardness distribution from 16MnR base metal to S31803 base metal presents upward trend. Hardness of seam welded by GTAW is higher than seam welded by SMAW. The...

On the Plastic Zone around a Crack Tip in a Rock Specimen

T. Ai, C.H. Wu, R. Zhang, Z.Y. Xiang, Y.Y. Yuan
The stress intensity factors (SIFs) for a infinite volume were corrected by two dimensionless quantities YI and YII which were obtained by employing the Boundary Collocation Method (BCM). The expression of the elastic-plastic boundary of a mixed crack for a cracked specimen was formulated based on the...

Study on EDMn-B-00 Electrode and Surfacing Process

Li Yang, Xiangying Dang, Nan Ji, Meng Li
For the defect of high manganese steel surfacing electrode on manufacturability, EDMn-B-00 electrode was trial product by means of orthogonal experiment. It relays on coating to transit alloying elements. The manufacturability and usability were evaluated by chemical composition analysis, resist thermal...

Architectural Features of Adjacent River Residence in Shaoxing

Wenhui Bai, Lingli Tu, Jiao Zhou, Jiejie Ying
The adjacent river residence in Shaoxing is different from the Taimen residence (i.e., the grand courtyard in Shaoxing’s residence), most of which are owned by the lower classes, therefore, there are almost no rules or regulations constraining them in construction. The seamless integration of water and...

Analysis on Relationship between Skyscrapers and Tourist Cities' Space

Bin Tang, Deheng Zeng
By reviewing the evolutionary history of skyscrapers in western tourist cities' space, this paper proposes that Chinese skyscrapers need to realize "localization", discusses their role in tourist cities from the three aspects of urban functions, urban landscape and urban environment and finally analyzes...

Construction Technology of APP Modified Asphalt for Pavement

Yuqing Yuan, Tao Guo, Haitao Wan, Wei Li
In order to guarantee the APP modified asphalt linoleum bonding properties of level structure between old cement road and surface coating, the construction key technologies has carried on. Some results were obtained. First, the old road surface should be cleaned up. Secondly, the APP linoleum width deviation...

Intelligent Navigation Oriented Mechanical Product CAD System Based on Knowledge Fusion

Yan Cao, Zhongcan Lin, Yonglou Zhao, Changzhong Yuan, Yunfeng Chen
In order to improve intelligent heuristic performance, information support, computational capabilities, control mechanism, and interface self-adaptability of specialized product design systems, mechanical product design system based on knowledge fusion and intelligent navigation is studied systematically....

Research on Construction Program of Logistics Base of Shenmu West

Shuixian Zhao, Xiaofeng Fu
Dealed with the research on program of rail connection at Shenmu West Station on line from Shenmu West to Logistics Base in the paper, designed expansion and reconstruction of Shenmu West Station, researched into program of logistics base station layout, track number and yard layout, sketched layout...

Highly Optimization Design of Structure Space

Fucheng Wang, Chenyu Chen, Jing Ji
The optimization mathematical model for highly optimization is established with the constraints of strength, rigidity, stability and the structural deflection of structure space and solutions are obtained by using the genetic algorithm. A example indicates that the genetic algorithm can be applied in...

Research on bottom anchor supporting technology in Donghai coal mine roadway

Gang Chen, Guangyi Sun, Qiong Wang
Floor heave is one of the main characteristics of deep roadway, once it happens, large deformation in the roadway surrounding rock, especially in road way sides, the normal safe production must be influenced seriously. Research of roadway floor heave mechanism, stress field and displacement field, which...

Assessment of Building Greenhouse Gas Emissions Based on Hybrid Life-cycle Model

Deheng Zeng, Hong Ren
This paper constructs the building's hybrid life cycle model based on the traditional LCA model and EIO model, and uses it to measure and calculate GHG (Greenhouse Gas) emissions from buildings. This model divides the building life cycle into three stages, including materialization, utilization and dismantling....

Retention Goaf Stability Influence Numerical Analysis on Existing Building

Hongjian Lu, Hai sheng Yu, Hui Lu, Shuhui Yan
In order to study the stability influence of abandoned stope on existing surface constructions, this paper summarizes and analyzes the main controlling factors based upon one mine in Hebei province. This paper also details a qualitative and quantitative analysis utilizing the numerical simulation method....

Retention goaf stability influence comprehensive analysis on existing building

Deqing Gan, Hongjian Lu, Hui Lu, Hai sheng Yu
In order to study the stability influence of abandoned stope on existing surface constructions, this paper summarizes and analyzes the main controlling factors based upon one mine in Hebei province. This paper also details a qualitative and quantitative analysis utilizing the “Three Zones Theory”and“Movement...

Research on Fiberglass Grid Preventing Cracks Used as Interlayer between Old Cement Concrete Pavement and Asphalt Overlay

Yuqing Yuan, Xuechan Li, Wei Li, Tao Guo
To solve the problems of grid preventing crack, which is used as interlayer between old cement concrete pavement and asphalt overlay, the authors carried through finite element calculations, theoretical analyses, and laboratory tests simulating the field situations. Mechanical analysis proved that grid...

Analysis and Comparisons of Clustering Consensus Functions

Sen XU, Tian ZHOU, Hua Long YU
This paper analyzes and compares different clustering consensus functions. We analyze different consensus functions and compare them over several different document datasets. Our experimental results indicate that some consensus functions are consistently superior to the others, and can produce the best...

Mechanical Analysis on Asphalt Mixture Overlaying on Old Cement Pavement Disengaged in the Corner

Yuqing Yuan, Haitao Wan, Sen Wen, Wanli Zhan
Based on the theory of elastic layer system, calculation models of asphalt overlaying on old cement pavement structure were established. According to finite element software, in allusion to a hollow under a slab's edge or its corner, series of key factors to stress and deflection of asphalt overlay have...

Study on the Short-cut Nitrification which in a Sequencing Batch Reactor (SBR) under the Effect of Temperature and Ph

Hui Yang, Jing Ren
In order to research the effect of temperature and pH on the short-cut nitrification, using simulation sewage water as test water , research the material changes in the SBR reactor by change the temperature and pH. The result show that the short-cut nitrification still can proceed when the temperature...

The Research on Operation Parameters Optimization of BAF

Kun You, Jinxiang Fu, Jun Liu, Yashu Yuan, Jiarui Han
The experiment adopted dynamic continuous test, discussing the change of filter velocity, gas-water ratio and water temperature for the stable operation influence of BAF. By comparing the removal efficiency of COD, NH3-N and turbidity of effluent under different filter velocity, gas-water ratio and water...

Physicochemical characteristics and antioxidant activity of the intracellular melanin from Lachnum sp. YM-236

Gengyi Guo, Ming Ye, Meishuang Qian, Qingping Xu, Liu Yang
Melanin LEM236 was extracted and purified from Lachnum YM-236. Scanning electron microscopy showed LEM236 had a blocky, amorphous crystal structure with an irregular surface. Elemental analysis, infrared spectroscopy and 1H-NMR measurements indicated that the melanin had the structure model of a novel...

Improved Genetic-ant Algorithm for the Optimization of Rapid Prototyping Contour Path

Baoye Liu, Jianjun Yang, Shaoshuai Guo
In rapid prototyping contour scanning process, to reduce the spare travel time, a mathematical model which has considered the minimal time distance is established. The situation that the starting point is different from the end point is analyzed. In the improved genetic-ant algorithm, the dual integer...

The Precipitation Depth Distribution of Small Catchment – A case in South of Taiwan

Chi Tang, Ya-Lin Huang, Yao-Ming Hong
This study established the estimation method of rainfall distribution for small catchment. The Kriging method was introduced to establish the spatial distribution model of rainfall depth, where the cross validation is executed to verify the theoretical semi-variogram model. A field experiment with an...

Influence of Different Varieties of Water Reducing Agent on the Early Cracking of Concrete

Jingyun Han, Xuyan Song, Ruyuan Xu
Early cracking performance of concrete incorporating five different varieties of water reduce agent was tested by flat-panel test method and concrete surface cracks were observed within 24hours after pouring of concrete. The results showed that crack resistance of concrete incorporating polycarboxylate-based...

Model Test On The Settlement Controlling Effect Of New CFG Pile-board Structure Composite Foundation Based On Similar Theory

Dingbang Zhang, Weng Ling
Based on the similar theory of physical model test, the similarity ratio of physical and mechanical parameters is derived for model test. The similarity ratio were used in model test of new CFG pile-board structure composite foundation to study the settlement controlling effect and settlement distribution...

Synthesis and investigation of sulfonated acetone-formaldehyde polycondensate as dispersant for coal-water slurry

Junfeng Zhu, Guanghua Zhang, Junguo Li, Fang Zhao, Qianqian Qu
According to the literature preparation process, sulfonated acetone - formaldehyde polycondensate (SAF) was prepared with different mole ratio of formaldehyde (F) and acetone (A). Its structure was characterized by IR and TGA. SAF was applied in the Shenhua coal-water slurry (CWS). And the slurryability...

Numerical Simulation and Numerical Differentiation Analysis of Slope Deformation Due to Mining

Shibo LI, Wensheng LIU
It’s important to analysis accurately the deformation of the mountain slope due to mining. An example of the iron mine in Jidong area was given, and then the stability and deformation of mountain slope influenced by mining were calculated by means of numerical simulation and numerical differentiation,...

3D Manufacturing Feature Based Integrated Information Model and its Modeling System Development Based on XML and NX Platform

Yan Cao, Zhongcan Lin, Yonglou Zhao, Changzhong Yuan, Yunfeng Chen
With the development of CAD/CAM technology, the key to CAD/CAM integration consists in constructing a common product model. In the paper, shaft parts are taken as research objects. Interactive feature-based modeling method is adopted to avoid complex algorithms for feature recognition. The functional...

Comparative Analysis on the Internal Force of CRD Method with different Steps for Excavating Super Shallow Tunnel

Ling Weng, Dingbang Zhang
On the adaptability of CRD four steps method and six steps method for excavating super shallow tunnel, elastic-plastic simulation are executed by ANSYS and Mohr-coulomb criterion. The development and distribution of axial force and moment of two kinds of methods are compared. Analysis results indicate...

Analyzing of Reinforcement Effect of Bolt-Grouting in Squeezing Tunnel

Yuanchun SUN, Huaijian LI, Zailiang XU, Bo GAO
For the weak rock liable to squeezing deformation, it is a very meaningful matter to seek a new reinforcement method. Bolt-grouting support is a new type of active method combine bolting and grouting, its principle is to reinforce the unloading loosening rock behind primary support composed of steel...

Study of Lateral Buckling of Submarine Pipeline

Xiaodi Song, Xiaoxian Song
The upheaval buckling of marine pipelines caused by the temperature stress is one of the main failure modes of pipelines. When a pipeline is operated at high internal pressure and temperature, it will attempt to expand and contract for differential temperature changes. Normally the line is not free to...

ElEMENT ANALYSYS OF CONSOLIDATION OF SOIL UNDER SURCHARGE AND VACUUM PRELOADING

Xiaodi Song, Xiaoxian Song, Wenhui Dong
As an under-consolidated soil, the reclaimed soil consolidation with vacuum preloading is very complex, so are the boundary and initial conditions. Through the analysis of the formation of the reclaimed soil foundation and its consolidation process, the initial pore pressure and the delivery of negative...

Exploring Again The Principle of Level Surveying

Yonghe Deng
Literature [1] studied the principle formulas of level surveying ,but its theory is not strict enough.So,in this paper,further research is made to obtain more strict formulas, and proves that formula in literature [1] can completely replace homologous formula of this paper in practice.

Optimization design for eye-in-hand robotics Based on A New Binocular Stereo Vision Servoing Model

Mei JIN, Ju JIN, Guangpu Hao
This paper presents an attractive image-based visual servoing approach for eye-in-hand robotic systems based on new binocular stereo vision servoing model. The major contribution of this work is in devising an optimization controller to control the velocity of the camera and GMC(Generic Model Control)...

Accelerometer Static Calibration based on the PSO algorithm

Liguo Zhang, Wenchao Li, Huilian Liu
This paper introduces MEMS accelerometer static calibration method based on the PSO algorithm. According to the mathematical model of the MEMS accelerometer, the PSO algorithm is applied to estimate the mathematical model, including scale factors, bias, and installation errors. The method does not require...

Study on the Effect of Design Coefficients on Load-bearing Capacity of Circular RCFT Columns

Hua Wei, Zhen-zhong Duan, Peng-peng Li, Hai-jun Wang
Based on the Japan recommendations, the formula of yield strength for RCFT (reinforced concrete filled steel tube) columns was proposed, the effect of experimental coefficient such as concrete strength, diameter-thickness ratio of steel tube, number of steel bars on yield strength of RCFT was analyzed,...

A New Way to Determine Engineering Cost Price in the Construction Engineering Tendering

Shumei Cui
The lowest bid method should be used in the bid evaluation of construction engineering, and it is a critical problem that how to calculate the lowest cost price of the bid proposal. In this paper, a new model is proposed, based on multiple attribute decision making theory. According to the tenderer’s...

Applying Genetic Algorithm for Capacitated Vehicle Routing Problem

Chunyu REN
The present study is focused on the Capacitated Vehicle Routing Problem (CVRP). Genetic algorithm is used to get the optimization solution. First of all, use natural number coding so as to simplify the problem, apply insertion method so as to improve the feasibility, retain the best selection so as to...

Safety Inspection and Assessment on a Light Steel Portal Frame Workshop

Mingzhi Song, Yong Wang
Combining with a light steel portal frame workshop, the safety inspected and assessed through the detections and design checking which had higher practical reference value for similar structures.