Proceedings of the 2015 International Conference on Architectural, Civil and Hydraulics Engineering

+ Advanced search
96 articles

Effort of Variations of Reservoir Water Level on Landslide Stability

Wentao Shang, Shuai Du
Water level fluctuation will soften the rock and soil on the bank, induce the underground water fluctuated and decrease the shear strength, which will have the possibility to cause the stable slope to occur landslide. In this paper, the effort of variations of reservoir water level on landslide stability...

Stability Analysis of Tailings Dam under Muddy Water Infiltration

Zhi fei Song, Faliang Zhao, Qin huan Cui, Jian qiang Wang
Tailings dam is an important control project of mine safety, once the instability, the greater harm. Tailings dam seepage damage is the main reason about tailings dam safety accident and tailings dam seepage problem belongs to the muddy water seepage. By considering the main hydraulic factors of the...

Prediction of Slope Deformation Time Series Based on Quasi-Newton

Shiguo Sun, Zhenhua Su, Yinghai Zhang, Bo Tian, Pei Guo
In mining production, the slope’s stability is one of the decisive factors of safe production of mine. Security issues and economic losses caused by slope’s instability were immeasurable. Predict the slope’s deformation according to the monitoring data of slope’s displacement is an effective and feasible...

Simulation and Experimental Study on the Self-Excited Oscillation Jet Device

Yong Chen, Chen Chen
Nearly 40 years, high pressure water jet technology has developed rapidly and increasingly[1,2], and it also added new methods to foundation engineering and geotechnical engineering for our country[3,4,5], such as High pressure jet grouting[6] and coal or ore mining[7,8], so choose what kind of jet can...

Experiment and Study on Effect of Sludge External Reflux Ratio on the Dosage of Micro Vortex Clarifier

Feng ping Hu, Bixia Huang, Dan Ji
In order to solve some problemsabout selectingblindly and randomly design and operational parameters ofmicro vortex clarifier .By studying the raw water from Kongmu-Lake, this experimentchooses PAC as thebest coagulant,and its best dosage is25 mg/L. Meanwhile the influence of micro vortex clarifierdosagein...

Baoding Historical District Cityscape Planning

Guo Zhou, Hongwei Li
By integrating historical accumulation and outstanding natural landscape, cityscape planning could create impressive and easy-sensory city image. By means of natural situation, historical and cultural resources, Hebei Baoding historical district cityscape planning makes plan for landscape theme, landscape...

The Trend of “wan gu yi ren” Road in the Process of Making Protection Plan of Tieweng Castle Relics

Xinrui Zhao, Guoqing Li
Tieweng Castle is found to be the earlist and well-preserved building with brick wall from three kingdoms periods until now. Therefore, Tieweng Castle is of great archaeological, academic, cultural and social values. With the rapid development of zhenjiang city, the activity of the urban construction...

A Study on the Planning Characteristics of the Infill System with Consideration of the Variability of Longlife Housing

Woo Chul Wang, Seok-Ho Lim
In South Korea, apartment house has accounted for 59% of the total housing units in 2010, and the increasing number of one and two family members has led to a change in the area of the apartment house. Since the longlife housing plan aims to create housing that facilitates variability and repair through...

The Research on Influence Results of Tailings Dam Break Based on 3D Points Cloud Data

Shuai Zhou, Fuqiang Shi, Guo chao Ma, Xiao hua Huang
Some residential areas and factories are located downstream the tailings pond. Once the tailings dam collapsed, the consequence will be very serious, so perfect prevention and emergency preparedness work is critical. And the prediction of tailings dam collapse affecting consequence is an important basis...

Comparison of Moving Average-Based, S Growth-Based, and AUF Rainfall-Induced Soil Erosion Area Models

Lin Chen, Nannan Ma, Yulong Chen
This paper gives the comparison of the moving average, S growth and adaptive updating forecasting(AUF) models based on the rainfall-induced soil erosion area experiment. The results show that (1) the average relative error of the moving average method is 5.7%–12.1%, while S growth model has an error...

Research on Safety Assessment Method for Bridge Structure Based on Variable Weight Synthesis Method

Yongfeng Xu, Hailong Wang, Liqun Zhang
Variable weight synthesis method is a safety assessment method which is using the varied weight principle, base on analytic Hierarchy Process and combining the theory of Grey relevancy, it reduce influence that secondary cause is not obvious in assessment process, and make the result more correct and...

Comparison of the Influence of Amino Trimethylene Phosphonic Acid and Sodium Gluconate on the Performance of Concrete

Xingdong Lv, Beixing Li, Yan Shi, Huaquan Yang
Comparison of the influence of amino trimethylene phosphonic acid (ATMP) and sodium gluconate (SG) on the performance of concrete are investigated in this paper. The comparison of the effects of ATMP and SG on concrete setting time at 20°C or 35°C, concrete slump loss, concrete compressive strength and...

Analysis on Local Compression Bearing Capacity of Reinforced Concrete Corbels Constrained by Prestress

Xinsheng Yin, Yang Liu, Jing Wang
By using the finite element software ABAQUS to establish the model of industrial workshop corbel, to explore the stress state under local load, and then increase the capacity of corbel by the form of prestressing in corbels’ end. According to the stress distribution of the calculation, analysis of corbel’s...

Seepage Cut-off Wall Detection of Reservoir Based on Groundvue Series of Ground Penetrating Radar

Baoyuan Yuan, Yongjun Li, Yun Bai
In order to find out the serious and long plagued leakage problems related to the seepage cut-off wall of Nanmenxia Reservoir, used the introduced British Groundvue series of Ground Penetrating Radar equipment, field test and verify work were implied, leakage location and path were determined. The results...

Research on the Problem of Carbon-Fiber Material in The Process of Strengthening the Small and Medium-Sized Concrete Bridges 25

Teng fei He, Yongfeng Xu, Wen juan Zhao, Ying jie Zhu
Using the carbon fiber material reinforced concrete structure technology is a kind of advanced technology which is widely used at present, But this kind of convenient and quick reinforcement technology is used in the large concrete structures more and more,On the contrary ,In the small and medium-sized...

Pseudo Dynamic Test of Spring Vibration Isolation Foundation of Steam-Turbine Generator Considering Gravity Effect

Xuya Wang, Tiejun Qu
A 1:8 foundation model was designed and fabricated based on a spring vibration isolation steam-turbine generator foundation. The gravity was simulated through the hydraulic servo loading system, and the pseudo dynamic tests were carried out under the action of two different 7th intensity medium earthquakes...

Seismic Evaluation of Masonry Buildings Strengthened with Reinforced Concrete Beams and Columns

Dong An, Tiejun Qu
The pseudo-dynamic seismic tests and lateral cyclic load tests for tie-columns and ring-beams confined masonry structure according to the seismic requirements and masonry structure strengthened with reinforced concrete beams and columns have been carried out. Cracks propagation pattern, hysteretic curves,...

The Influence of Common Closed Longitudinal Rib Sections on Stress Distribution of Orthotropic Decks

Pu Ke, Mengmeng Guo, Lixin Xia
U shaped, V shaped, and trapezoidal sections are widely used as closed rib sections in orthotropic steel bridge decks. This paper calculated three full-scale models of section based on the finite element method, and analyzed the magnitude and distribution of extreme stress of the constituent members...

Study on Several Kinds of Polymer Emulsion Modified Cement Mortar Performance

Zheng Li, Hua Ou, Xiao Chen, Jiqing Shi, Lingli Peng, Hewen Chen
Cement mortar is typical of a brittle material, with high compressive strength, low tensile strength, flexural strength, and bonding strength. This paper introduces that several polymer emulsions modified cement mortar. By researching the water-reducing, impermeability and mechanical properties of cement...

Effects of New Type Lime and Calcium Sulphoaluminate Expansive Agent on Deformation Properties of High Performance Concrete

Anqun Lu, Wen Xu, Yujiang Wang
According to the characteristics and structure of high performance concrete, influence laws of new type lime and calcium sulphoaluminate expansive agent on mechanical properties, deformation properties and microstructures of C50 concrete were investigated. The results show that with the increase of doped...

Research on the Influence of Stability of Tailings Dam under Muddy Water Infiltration

Zhifei Song, Jianqiang Wang, Jianyi Zhang, Faliang Zhao
The penetration of the tail slurry suspended particles leads to the phenomenon of clogging, a higher seepage line and impact on stability of tailings dam. First of all, study influencing factors of muddy water infiltrationan,then an indoor simulation experiment is conductedaccording to the former study,...

Experiment Study on the Flocculent Deposition of Dredged Sediment in Tongji Bridge Reservoir

Yannan Shi, Chaojie Zhang, Taoxiao Chen, Jiongqi Yu
This test explored suitable flocculating settling technological parameter for dredged sediment in Tongji Bridge Reservoir. It referred to sewage treatment plant’s sludge treatment methods, and used PAM, PAC, FeCl3, MgCl2, Na2CO3, Ca(OH)2 and KMnO4 as flocculants to improve water quality. Through single...

Analysis of the Influence of Underground Vacant Areas on Tunnel

Jianwu Gong, Peilin Qi, Bingyan Wen
The interaction analysis and evaluation on tunnel passing through underlying vacant areas is essential in highway construction. A 3D numerical model of tunnel at underlying vacant area has been established to analysis the deformation and mechanical characteristic of tunnel structures. According to the...

Study on Bubble Velocity under Bubble Flow Scenario in the Horizontal Water Transmission Pipeline

Yan Zhu, Chenguang Wu, Yixing Yuan
In order to put forward some feasible suggestions for the air emission in water transmission pipeline, this article mainly studies the bubble velocity under bubble flow scenario in the horizontal water transmission pipe. It was assumed that the bubble in the horizontal pipe could be regarded as a rigid...

The Influence of Brownfields on Urban Economy of a Settlement

Endel Stanislav, Eva Wernerová, Kuda Frantisek
Brownfield structures often occupy extensive areas in urban areas of our cities. Owing to this fact, the compactness of built-up area of settlements and their overall urban economy is strongly impaired, which affects adversely primarily the expenses on operation of cities. This paper makes efforts to...

A Study on Establishment of the Directions of Granting Incentives by Long-Life Housing-Related Persons

Eunyoung Kim, Eun-kyoung Hwang, Sujin Woo
Long-life housing is a type of housing available for about 100 years through replacement of its infills with its supports maintained for a long time. Yet long-life housing is not spread smoothly because of the lack of policies and publicity. In particular, considering the perception that initial construction...

A Study on Establishment of Improvement Measures to Activate Korean Long-Life Housing Certification System

Sujin Woo, Eun-Kyoung Hwang, Eun-Young Kim
Long-life housing is a type of housing that can accommodate the function and performance to meet the needs of society and residents by changing and replacing infill parts such as exterior parts, interior parts and facilities that have a short life and are sensitive to social and functional changes while...

Analysis of Neural Network Models in Prediction of Ground Surface Settlement around Deep Foundation Pit

Fuzhang Zhao, Chen Chen, Fang Qian
During the foundation pit excavation,the prediction of ground surface settlement around deep foundation pit is directly related to the safety of the foundation pit excavation, surrounding buildings and pipelines, but the ground surface settlement of foundation pit has the characteristics of nonlinear...

Detection of Seepage Path of Dam Foundation Based on Groundvue Radar

Jianhong Lu, Yun Bai, Qi Wang
Location of Nanmenxia Reservoir is very important, and the reservoir has a significant benefit. But the leakage of dam foundation was serious; there was an urgent need to find out leakage location and path. The effect of previous treatment was not obvious, and it is very important to find out the situation...

Seismic Pounding Response of Girder Bridges Considering Lateral Stiffness of Ground Motion

Fa shui Liu, Lai jun Liu, Lin Shen, Cao fang Yang
In order to study the effect of pounding at expansion joints of beam bridge on the seismic responses of bridge structure during earthquake the research is based on multi-particle of single degree of freedom system, and the pounding effects of adjacent girders on seismic responses with 3 different of...

Study on the Methods of Ultrasonic Testing for the Cracks in Concrete

Dong Xiang, Lixia Zhou, Ye qing Ma
The cracks existing in the concrete components have a strong impact on the safety of their structures. Ultrasonic testing is an effective non-destructive testing method for fast excluding surface and internal defects of concrete in construction engineering. The concrete specimens were tested by the calculation...

The Mass Assessment Model of Real Estate Based on GIS and VIKOR Method

Xiuli Wang, Liu Yang, Hengkai Li, Jun Lei
The need for estate mass appraisal imposed by the information-based for the current property tax, estate mass appraisal model what is composed GIS and VIKOR method was proposed. Firstly, house price effect factors were quantified by using GIS spatial analysis methods, secondly, combined with quantitative...

Comparison of Displacement Ventilation, Mixing Ventilation and Underfloor Air Distribution System

Shouhong Ren, Shuo Tian, Xiangyi Meng
At present, the scientific community attaches importance to the problem of indoor air quality and building energy conservation seriously, the people’s requirement of indoor living environment is also improving constantly, improving the problem of air conditioning energy consumption of building energy...

Comparison of SBR Process and DAT-IAT Process and Advantages and Drawbacks of Both Processes

Zixuan Liu
SBR process is similarwith DAT-IAT process on operating procedures, the biggest difference is whether the process is able to accept the continuous influent or not, the advantages of SBR process is that the operation and equipment is simple and quality of effluent is good. In terms of DAT-IAT process,...

Preparation and Application of Composite Lightweight Aggregate Concrete Self-Insulation Block

Jiansuo Ma, Miaomiao Zhou, Huanqin Cai, Runshan Bai
The composite lightweight aggregate concrete self-insulation block is prepared by pumice, polystyrene particles and other materials. The self-insulation block has dumbbell-shaped hole filled with polystyrene foam. Its preparation and molding process are studied in the test. The self-insulation blocks...

Analysis on Local Compression Bearing Capacity of Deep Reinforced Concrete Corbels Constrained by Prestress

Xinsheng Yin, Yang Liu, Jingwei Cai
Through the calculation and analysis on the stress state of deep corbel under local compression, reinforce deep corbel by external prestressing form. According to the calculation results, find the difference between the stress distribution constrained by prestress and that of normal working state, analysis...

The Experimental Analysis of Polymer and Fiber Composite Modified Cement Concrete Experimental Based on Fuzzy Analytic Hierarchy Process

Hongjun Guo, Houji Zhang, Xiongyi Liang, Junhong Yang, Tianxiang Lu, Jian Ren
The effect of cement dosage, polymer and fiber content on the mechanical properties and flexural toughness indices of the polymer and fiber composite modified cement concrete has been studied using an orthogonal experiment analysis method. And then the impact of these three factors on the 28d flexural-tensile...

Spatial-Temporary Analysis of Climate Changing on Five Headwater Rivers in the Tibetan Plateauthrough the Output of GCMS

Xi Chen, Zhenchun Hao, Qin Ju, Minglong Dai, Changjiang Xu
The assessment of climate change due to global warming is a worldwide public concern. The impact of climate change on water resources is worth exploring for understanding the interaction between the climate and water resources and for decision-making in water resources management. In this study, a new...

Stability Evolution of a Large Rock Block Revealed in the Excavation Process of the Left Slope of Jinping-I Hydropower Station Based on the Proposed Sarma's Method

Tao Chen, Guanhua Sun, Hong Zheng
There is a latent large block near the dam abutment of Jinping-I hydropower station, the stability of which is very important in the excavation process. As we know, Sarma's method is able to evaluate the stability of rock slopes with complex structural planes, because it takes into account the mobilization...

Optimization Analysis on the Design Project of Large Diameter Pipe-Roof Engineering

Jianwu Gong, Bingyan Wen, Hao Sheng
As a new type of underground engineering reinforcement technology, the pipe-roof method has shown its significant superiority in shallow buried large section tunnel engineering in high traffic urban areas. According to the two design scheme of pipe-roof engineering, the 2-D numerical analysis model has...

Analysis on the Master Plan of the Development and Utilization of Underground Space in Baoding City

Qian Wang, Hongwei Li
The development and utilization of urban underground space is an effective way to use the limited space more reasonably and economically which has great practical significance for expanding the urban space capacity and improving the quality of the city. This paper explores planning idea, overall layout,...

Economy Efficiency Assessment in Full Life Cycle of Green Roof Project

Li ping Liu, Congcong Huo, Mao rong Zhang
Universally accepted benefits of green roofs were classed to ecological environment benefits (EEB), social benefits (SB) and private economic benefits (PEB). Life-cycle assessment, contrast valuation, game-theory and economics cost-benefit with quality analysis and quantity analysis were used to evaluate...

The Application of FAR Transfer on Reconstruction of Urban Village

Jian Dai, Fei Lv, Pingju Sun
One of the most difficult thing in urban village reconstruction is to balance the interests among relevant parties, which often causes the phenomenon that the higher FAR in urban village reconstruction than it was before. Based on the FAR transfer and property rights exchange, the technology of FAR Transfer,...

Research on the Transformation Strategies of Thenatural Lighting in the Traditional Silt Houses in Yunnan Province

Zhiyong Zhou, Chi Zhu, Zhuowei Duan
In this paper, the traditional silt house of Wa ethnicity in Yunnan province would be researched as an example based on field measurement and Ecotect software simulation, and the characteristics and existing problems of natural lighting in silt houses were studied. The transformation strategies of the...

A Study on Systematic Direction of the Building Regulatory Information of Korea

Eun Kyoung Hwang, Youngchan You
The current regulations related to building are scattered in more than 370 individual laws. Since the amendment of existing regulations and the legislation of new regulation have been going on, it is difficult to grasp the relevant regulations. Accordingly, in order to avoid duplication and to make systemizing...

Study on Characteristics of Pedestrian Crossing the Street in Shijingshan

Weiwei Guo, Xin Ma, Yinghong Li, Jiyuan Tan, Yan Zhang
The problem of pedestrian across the street during the red light is always a focus of China's urban traffic management and difficult. This phenomenon has been improved after years of renovation in some developed cities such as Beijing. However, in some middle-sized and small cities, the problem of pedestrian...

The Slope Stability Evaluation of Open-Pit Mine Based on GIS

Shiguo Sun, Zizhen Miao, Yanfei Dong, Yanyan He
The various influence factors of the slope stability is analyzed on the slope stability problems. Based on the basic principle and method of fuzzy mathematics and GIS, the slope stability analysis of fuzzy and comprehensive evaluation model is established and the grading index of the slope stability...

Research on Safety of Fine Tailings Dam under the Influence of Saturation Line Distribution Characteristics

Shiguo Sun, Pei Guo, Yinghai Zhang, Zhenhua Su
The safety operration of tailing spond always plays a significant role in the whole mining production. With the tailings particle size is becoming smaller and smaller and the fill dam is higher and higher, the stability of tailings dam is becoming worse and worse, so the stability of fine-grained tailings...

Research on Dynamic Responses of Long-Span Suspension Bridge with CFRP Cables

Lei Yang, Fei Shao, Kebin Jiang, Xingming Zhang
In order to study the dynamic responses of long-span suspension bridge with CFRP cables, a suspension bridge with CFRP cables which span of 896m is designed. The dynamic responses of suspension bridge with steel cables and CFRP cables are analyzed by ANSYS software, the effects of structural design parameters...

Study on Amplification Coefficient of Strength Reduction Factor for MDOF Bridge Pier Considering Fixed-Based Effect

Xinle Li, Guoshuai Zhang
An analytical method of SRF considering MDOF effect of bridge structure was put forward. The definition and calculation method of amplification coefficient were proposed. Calculation programs were compiled to analyze various equivalent pier MDOF model of bridge through the combination of finite element...