Proceedings of the International Conference on Advances in Energy, Environment and Chemical Engineering
Session: 4.Construction Engineering
33 articles
Proceedings Article
Study on the Field Test Methods of Asphalt Pavement of Highway Runway
Baohua Shi, Bing Cao, Yamen Zhang, Wei Xu
as one kind of airport, highway runway must be tested and assessed on scene before enable. Aimed at the situation of our country is short of performance index test regulations and methods, this research discussed the test characteristics and demands through several side like vehicle drive, traffic security,...
Proceedings Article
Error Analysis of the Cable Force on Skew Normal Distribution
Lin Shen, Laijun Liu, Fangwen Wu, Yu Li
In order to investigate the the mathematical model considering the skewness-parameter, which covers the shortage of long-span bridge in sensitive parameter analyzing. Random variable along with its statistic probability model is taken. The application of influence coefficient helps to build up a determining...
Proceedings Article
Seismic Pounding Response of Girder Bridges Considering Lateral Stiffness of Ground Motion
Lin Shen, Laijun Liu, Fangwen Wu, Yu Li
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...
Proceedings Article
Application of BP Neural Network Model in the Recycled Concrete Performance Prediction
Jinggan Shao, Xiaoxiang Ji, Ran Li
When the construction wastes were used as raw materials of Recycled concrete, the type and replacement ratio of recycled aggregates should be considered in addition to mix proportion. It is very difficult to describe the complicated nonlinear relationship between different indexes. Through analyzing...
Proceedings Article
Reliability Analysis of Mechanical Sand Washing System
Yunfei Fu, Jie Gong, Ziming Yang, Puwang Li, Sidong Li, Mingzhe Lv
The purpose of this study is to calculate the reliability of the mechanical sand washing system. The basic principle and process flow of the sand washing system are introduced. According to the structural characteristic of the sand washing system, the simplified reliability model of the system is established....
Proceedings Article
Study on Performance Factors of Variable Frequency Heat Pump Water Heater
Zhijiang Wu, Yansheng Xu, Xuewei Zhang
The performance factors of a R290 variable frequency heat pump water heater are experimentally studied. The performance factors including COP, heating time, consumption power , compression ratio, degree of super heat and degree of sub cooling with the frequencies changing from 40Hz to 90Hz are discussed....
Proceedings Article
Study on Relationship between Regional Cultural Heritage and Urban Park Reconstruction
Xuelan Yang, Qiping Chen
Integration of regional culture and urban park is an important approach of landscape transformation. Landscape reconstruction of modern urban park must fully excavate and coalesce the regional culture element, in order to create new landscape with more vitality. Based on regional culture and landscape...
Proceedings Article
Statistical Resistance and Reliability Analysis of Steel-Concrete Composite Beams
Xinyan Shao, Chongxi Bai, Wang Liang
Through summing up, statistical parameters of steel material property based on new standards and statistical parameters of geometry property of steel-concrete composite beams are obtained. Testing datum of steel-concrete composite beam in bending state and its connecting piece in shearing state is roundly...
Proceedings Article
Reliability Analysis of the main shaft of the Nuclear Power CNC Wheel Milling Machine Based on the Probability Finite Element Method
Zhiwei Li
In view of the complex factors affecting the reliability of the main shaft of a nuclear power CNC wheel milling machine, a finite element analysis model is established by using the ANSYS parametric modeling technique and the finite element analysis model of the machine tool spindle, which will affect...
Proceedings Article
Research on Vertical Stiffener of Box Strengthen-joint Region Connection for Weak Axis of I-section Column
Shun Zhang, Linfeng Lu, Lulu Wang
The weak axis of I-section column welded the vertical stiffener to simulate the form of strong axis connection. The seismic behavior of joint region and the affections on the ultimate bearing capacity of beam by changing the thickness of skin panel have been analyzed. The hysteretic behavior of joint...
Proceedings Article
The Effects of Screw Arris Cross Section Shapes on the Melting Process in the Melt Conveying Section of a PVC Wood-Plastics Single-Screw Extruder
Tao Fan, ZuoBing Chen, Shuai Tang, JiaJia Du, RuiJia Dong
In this paper, a three-dimensional model of the melt conveying section of a PVC Wood-Plastic single-screw extruder has been constructed and the corresponding mesh file has been established through Mesh Superposition Techniques (MST). Then the rheological experimental results and material viscosity model...
Proceedings Article
The Meso Analysis on the Damage of the Crossover Jointed Rock Mass under the Uniaxial Compression
Bing Sun, Haifeng Zhang, Qiuyang Zhang, Sheng Zeng
The rock structure is extremely complex, it is difficult to reflect the mechanical properties and the relevant failure mechanisms truly under loads whatever by the theoretical analysis or the laboratory test. In order to analyze the damage characteristics of the crossover jointed rock mass from the microscopic...
Proceedings Article
Study on Spatial Distribution Characteristics of Intra-city Economic Sector Value-added Growth Rates in Henan Province
Kaiguang Zhang, Mingting Ba, Yanmin Sun, Hongling Meng
Using city region as the study unit, this paper utilizes spatial statistical analysis methods to analyze the spatial distribution characteristics, spatial correlations, as well as the difference degrees of sector value-added growth rates for all cities of Henan province in 2011-2014. The results show...
Proceedings Article
Research on the High Ground Temperature Risk during Long Tunnel Construction
Peiyu Yu
The high ground temperature is a prominent problem in the construction of deep buried long tunnels. Based on the analysis of high ground temperature in existing tunnels, the influence of high ground temperature on tunnel construction was divided into three situations, namely the harm to human body, effects...
Proceedings Article
Analysis on Construction Monitoring Scheme of Highway Tunnel with Small Spacing
Jianwu Gong, Peilin Qi, Bingyan Wen
Monitoring is an important work to measure the rationality of tunnel design and construction, especially for highway tunnel with small spacing. The design of construction monitoring scheme was analyzed based on a practice of small spacing tunnel engineering. The method to determine the monitoring items,...
Proceedings Article
Numerical Analysis on Influence of Underground Space Construction on Adjacent Tunnel
Jianwu Gong, Xin Wang, Hao Sheng
The construction of underground engineering will bring risks and potential hazards to the adjacent tunnel engineering. A series of numerical analysis models have been built to analyze the influence of underground engineering construction having on adjacent tunnel structure under different horizontal...
Proceedings Article
The Method of Determinant Value Calculation Using Eigenvalues
Hongling Meng, Kaiguang Zhang, Mingting Ba
The paper utilizes the linear transformation in the analysis of covariance matrix of observed values about natural phenomenon, while computing eigenvalues, the corresponding determinant value is calculated , at last the relationship between the eigenvalues and determinant value is given.
Proceedings Article
Nonlinear Analysis of Smart Concrete Beams with Piezoelectric Actuators
Weichen Xue, Yang Li, Feng Yang
A novel piezoelectric smart concrete beam composed of a concrete beam, a piezoelectric actuator and a counterforce device is developed and investigated. Based on the governing equation of ‘actuating force-voltage’ of piezoelectric actuator proposed by the authors, a nonlinear analysis program, in which...
Proceedings Article
About the Rigid Slab Hypothesis in High-Rise Building
Jin Duan, Xiaoming Chen, Yungui Li
In this paper, the rigid slab hypothesis, which is widely used in high-rise buildings, would be discussed. The modal analysis results for two building structures would be presented and compared based on the ISSS [1-4], with and without rigid slab hypothesis respectively. It could be observed from the...
Proceedings Article
Disease and Numerical Analysis of Cement Concrete Overlay of a Second-level Road4
Yacan Liu, Jianming Yang, Chao He
According to disease investigation and analysis of cement concrete overlay of G322 secondary road, analysis model is built by ABAQUS finite element software, vehicle load stress, temperature stress and uneven settlement of widening subgrade and other external factors of cement overlay are considered,...
Proceedings Article
A Remote Mobile Controlling and Monitoring Vehicle System
Xutao Liu, Feng Luo
In this paper, we created a remote mobile controlled and monitored vehicle system, which is used in the self-driving and self-parking cars for the last kilometer. The system consists of three main parts: the car-mounted terminal, which is installed in the car for receiving remote orders from the mobile...
Proceedings Article
Experimental Study on Tensile Fatigue Strength of Steel Fiber Reinforced Concrete
Yang Lu, Zhongren Feng
The tensile fatigue property of steel fiber reinforced concrete (SFRC) was studied. In an axial tensile fatigue experiment, 52 prismatic specimens were tested under various stress conditions. A significant increase is found in the fatigue life of SFRC comparing to that of ordinary concrete. The results...
Proceedings Article
A Study on the Eccentric Loading of K Node of Steel Tube Tower
Haifeng Liu, Fei Wang, Junke Han, XiaoGuang Hu
At present, in the steel tube tower, all the diagonal members’ axial leads intersect on the main members’ axial leads which would always cause the large size of node plate. The existing theoretical analysis shows that negative eccentricity of node connection can decrease the size of node plate, reduce...
Proceedings Article
Master-Slave Node Method of Processing Plane Node
Zhigang Su, Fei Wang, Qinghua Li, Weifang Shang, Zifu Zhang
In the process of finite element analysis about space truss structure, the problem of plane node must be dealt with. Generally, there are four methods about plane node, void- rod element method, removal freedom method, adding virtual spring method, method of beam element. In this paper a new treatment...
Proceedings Article
First-principles Study on the Properties of Point Defects in Hcp-Dy
Kaimin Fan, Jing Tang, Qingqiang Sun, Shiyun Wu, Xuehang Wang
This Ab initio density functional theory calculations have been used to study the properties of point defects for hexagonal close-packed (hcp) Dysprosium (Dy), e.g., the formation energies of self-interstitial atoms (SIAs), mon-vacancy, interstitial H atoms and interstitial He atoms. The results indicate...
Proceedings Article
Monitoring of High Slope and the Foundation of Security Forecast Model
Sifeng Zhang, Weilin Zhang, Yanmei Li
Dynamic in-situ monitoring is one of the important measures to ensure the stability of high slope engineering. Combined with a practical project, and based on the analysis of data that have been collected about the deformation of slope surface and interior and the stress state of support structures,...
Proceedings Article
Quadratic Finite Volume Element Methods Based on Optimal Stress Points for Solving One-Dimensional Parabolic Problems
Jiahui Sun, Mingjuan Ma, Shichun Pang, Yongpo Zhang
A new Lagrangian quadratic finite volume element method based on optimal stress points was presented for solving one-dimensional parabolic problem with trial and test spaces as the Lagrangian quadratic finite volume element space and the piecewise constant function space respectively. It is proved that...
Proceedings Article
Risk Analysis of Harmful Gas in Deep Buried Long Tunnel Construction
Yanxi Zhao, Caihong Jia
The emergence of harmful gas will bring serious difficulties to the tunnel construction, improper handling can easily lead to accidents. In order to evaluate the possibility of harmful gas in the tunnel, the basic characteristics of harmful gas in tunnel are analyzed from three aspects, that is spatial...
Proceedings Article
Design of Dam Concrete Pressure Sensor and its Application in Test
Keke Zhu, Yongdu Chen, Shiyue Wang, Liang Wu
In this paper, through the compressive test of three graded dam concrete, using the method of strain electric testing, recording the value of stress and strain synchronously. A new strain sensor which was designed and processed is proved that is cheap, convenient, and can be used widely.
Proceedings Article
Experimental Study on Flexural Behavior of CBF Bar Reinforced Concrete Beams
Shu Tang, Juan Han
Through test on flexural behavior of 2 CBF bar reinforced concrete simple-supported beams on three-point static loading until failure, the experiment researches and analyzes the differences of the crack distribution, the ultimate bearing capacity, the load-deflection relationship and the impact of crack...
Proceedings Article
Study on Damage Characteristic of Underground Cavern Blasting Excavation Based on Dynamic Damage Constitutive Model
Qian Dong, Xinping Li, Hang Zhao
The dynamic disturbance to the remaining surrounding rock mass of underground caverns produced by blasting excavation can not be ignored. Considering the rock mass damage induced by compression-shear stress in the zone near the blasthole, the KUS dynamic damage constitutive model was improved, and adding...
Proceedings Article
Study on Damage Constitutional Relation and Attenuation Law of Elastic Wave in Fractured Rock Mass
Hang Zhao, Xinping Li, Qian Dong
Fissures in the high stress mass of deep buried had a great influence on mechanical properties and wave velocity of rock mass. Based on similarity theory, Rock like materials simulated deep buried marble of Jinping-II Hydropower Station. Under different fracture and different confining pressure, the...
Proceedings Article
Effects of Low Temperature Stress and Release on Photosynthetic Indexes of Greening Seedlings of Three Tree Species
Zhuomin Wang, Jianxin Xu, Li Xue, Tongtong Zhou
Photosynthetic characteristics of seedlings of Carallia brachiata, Ficus microcarpa and Phoebe zhennan were studied at 6°C low temperature stress using Artificial Climate Box. After continuous treatments of 0 d, 2 d, 4 d, 6 d and a recovery of 2 d in nature, the photosynthetic indexes of the seedlings...