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Mechanical Properties of Cement Concrete under Corrosion Fatigue Bowen Guan1,a,Shuanfa Chen2,b,Rui Xiong1,c and Yanping Sheng2,d 1Key Laboratory for Special Area Highway Engineering of Ministry of Education,Chang’ an University, Xi’ an 710064, China 2School of Materials Science and Engineering, Chang’an University, Xi’an 710061, China aguanbowen2001@163.com, b1090626226@qq.com, c346842184@qq.com, d26701080@qq.com Keywords: Cement concrete, Sulfate corrosion, Fatigue, Mechanical properties.
As fatigue load and corrosion agents are widespread in highway engineering, concrete structures always damaged by corrosion fatigue [2].
Nakhla.: Journal of Materials in Civil Engineering Vol. 19(2007), p. 155-163

Experimental Study on Flexural Strength of Polyvinyl Alcohol (PVA) Fiber Reinforced Cementitious Composites LIU Shuguang 1,a, HE Cun1,2, YAN Changwang1,b and JIANG Haijun1 1Inner Mongolia University of Technology, Hohhot 010051, China 2 Hohhot Quality Supervision Station of Construction Engineering, Hohhot 010062, China a liusg6011@126.com , bycw20031013@126.com Keywords: PVA fiber; cementitious composites; flexural strength; admixture.
Introduction Concrete is the most important material used in civil engineering, however, there are still some defects that seriously affect its widespread application,such as low tensile strength, poor ductility, shrinkage cracking and so on.
Vol.42 (1965), p.156 [3] Victor C Li,Shuxin Wang,Cynthia Wu.Tensile Strain-hardening Behavior of Polyvinylalcohol Engineered Cementitious Composite (PVA-ECC).
ACI Materials Journal, Vol.98 (2001), p.483 [4] Victor C.Li,Cynthia,Shuxin Wang,Atsuhisa Ogawa,and Tadashi Saito.Interface Tailoring for Strain-Hardening Polyvinyl Alcohol-Engineered Cementitious Composite(PVA-ECC).

Research of mechanical parameter back analysis for the stratified soil slope Wan-li CHAO 1,2,a, Xing-hua WANG 1,b 1 School of Civil and Architectural Engineering, Central South University, 68 Shaoshan South Road, Changsha China 410075, 2 Hunan Communications Research Institute 472 Furong Road, Changsha China 410074 a 33cwl@163.com, b xhwang@mail.csu.edu.cn Keywords: back analysis, stratified soil slope, soil layer displacement, sensitivity Abstract.
Chinese Journal of Geotechnical Engineering.
Chinese Journal of Rock Mechanics and Engineering.
Chinese Journal of Geotechnical Engineering.
Journal of Hydraulic Engineering.

Numeric Analysis on Seismic Performance of RC Round-ended Piers with HRBF500 Steel Bars HJ Jia1, a H Dai1, b 1Civil Engineering College, Southeast University, Nanjing, Jiangsu 215000 China a274604003@qq.com, b handai@hotmail.com, Keywords: HRBF500 steel bar, Pier, Seismic performance, FEM analysis.
Based on the engineering background, in the determination of the finite element analysis coinciding with the experimental data, the paper mainly discusses the feasibility and applicability of HRBF500 steel bars applied to the pier, and studies the rigidity and the seismic performance of the high strength reinforced concrete round-ended piers. [1] The research on improving the mechanical behavior of the piers, engineering quality and seismic capacity, reducing the dosage of steel in pier foundation construction and energy consumption, has theoretical and practical engineering application significance in order to promote HRBF500 steel bars to apply to piers.
Journal of Disaster Prevention and Mitigation Engineering, Vo1. 30 (2010) No.4, p.442.
China civil engineering journal, Vol. 36 (2003) No.11, p.65.

Study on the mining induced stress of hard surrounding rock under dynamic pressure Jiping Liu 1, Shaojian Zhan 2, Yunpeng Guan 2,LijingChuan2, Jun Tang2,Hongwei Wang 2 (1.Faculty of resources and safety Engineering, China University of Mining and Technology, Beijing, 100083, China; 2.School of Mechanics, Architecture and Civil Engineering, China University of Mining and Technology, Beijing, 100083, China; 3.
Engineering Situations The mine field is in Lu Ya Mountain which is located in Lv Liang Mountain Range.
Study on the key techniques of fully mechanized coal mining face through the abandoned roadway [J].Coal Engineering, 2009, 1:54-56
Analysis on Mine Pressure Law of Mechanized Longwall Mining Face in Shallow Depth Seam and Key Block Stability Lost[J].Coal Engineering, 2012，3：74-76
Site measurement and analysis on mine pressure behavior law of first mechanized high cutting coal mining face in Yang Quan Mining Area[J].Coal Engineering，2011，2：61-63.

Application of BP-ARMA Combined Model based on Entropy Method in the Prediction of Circle Beam Displacement of Foundation Pit Yubo Hu, Fei Shao, Yaxin Huang, Yawen Liu, Jinjun Liang Field Engineering Institue of PLA University of Science and Technology, Nanjing Jiangsu, 210007 Keywords: Displacement of circle beam; neural network; time series; entropy method Abstract: The prediction of deformation of foundation pit’s supporting structure is the basis of construction control of deep foundation pit.
Introduction The prediction of deformation of supporting structure of foundation pit is of significances to the guideline of construction, prediction of engineering risks and reports of project dynamics.
Thus, the overall stability of prediction is more accurate and more applicable in engineering.
Neural Networks in Civil Engineering: Principles and of Computer Methods and Advance inGeotechnics [J] .
Science Tchnology and Engineering , 2012,12(9):7713-7718.

Wetting Effects of Rockfill on the Deformation of the Yellow River Xiaolangdi Dam Lihong CHEN 1, a, Xiaoguang ZHOU 2, b and Yinqi WEI2, c 1 School of civil engineering and architecture, Beijing Jiatong University, Beijing 100044, China 2 Chinese Water resource and Hydropower Research Institute, Beijing 100044, China a LHChen@bjtu.edu.cn, bZhouxg@iwhr.com, cWeiyq@iwhr.com Keywords：：：：Rockfill; Wetting effects; Consolidation; Embankment dam.
The major portion of the rockfill dam is makeup by rockfill material whose engineering characteristic is the key factors effect on the safety and deformability of the dam.
The wetting triaxial tests show the wetted rockfill has different engineering character with the dry one.
Araei: Proceedings of ICE, Geotechnical Engineering. 159 (2005), p. 49-59 [2] J.M.
Shen: Hyro-science and engineering.

Monitoring of Delamination of the CFRP Beam by the Smart Structure System Using the SI-F Method K.Yuguchi1 , A.Iwasaki2, a, Y.Shimamura 3 and A.Todoroki4 1 Graduate school of Engineering, Gunma-University, 1-5-1 Tenjin-cho, Kiryu, Gunma, Japan 2 Department of Mechanical Engineering, Gunma-University, 1-5-1 Tenjin-cho, Kiryu, Gunma, Japan 3 Department of Mechanical Engineering, Shizuoka-University, 3-5-1 Johoku, Hamamatsu, Shizuoka, Japan 4 Department of Mechanical Sciences and engineering, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo, Japan a Iwasaki@me.gunma-u.ac.jp Keywords: Structural Health Monitoring; Smart Structure; Delamination and SI-F Method.
Therefore, in recent years, global attention is attracted to the structural health monitoring (SHM) in various engineering fields.
The response surface methodology (RSM) is employed for process optimization in the field of quality engineering[2].
References [1] A.Iwasaki, A.Todoroki, T.Sugiya, S.Izumi, S.Sakai, Unsupervised statistical damage diagnosis for structural health monitoring of existing civil structures, Smart Mater.

An Optimization Method in Construction Schemes Comparison Wei-Qiu ZHONG1, a, Xiao-Lu BAO2, b, Ai-Ping DONG1, c and Wei-Lei ZHONG3, d 1School of Civil Engineering, Dalian University of Technology, Dalian, 116023, China 2Beijing CSR Times Locomotive and Rolling Stock Mechanics Co., LTD., Beijing, 102249, China 3Vontron Technology Co., LTD., Beijing, 102249, China azhongweiqiu3000@yahoo.com.cn, b49985078@qq.com, cdapphoto@163.com, dxhs19971@163.com Key words: multi objects; construction schemes; fuzzy theory; optimization Abstract.
The product of engineering construction is engineering structures, such as buildings, bridges, workshops and tunnels.
In fact, in practical engineering, there are more objects of the construction schemes and it is even harder to identify the relative best scheme by the traditional subjective experience.
Lu, The Theory and Application of System Engineering.
Chen, The Theory and Application of Engineering Fuzzy Set.

Numerical Analysis on Consolidation Settlement of Soft Soil Foundation for Artificial Island XiaoWei Tang1,a, ZheChao Ma1,b and ZhenQing Li1,c 1 Institute of Geotechnical Engineering, Dalian University of Technology, Dalian 116024, China a tangxw@dlut.edu.cn, b470040622@qq. com, c yuye1966@mail.dlut.edu.cn Keywords: artificial island, soft soil, consolidation, settlement, layer-wise summation method, finite element method.
Project case Engineering information.
According to the engineering geological section(Fig.1), the 2D model of the island and mesh is shown in Fig2.
(4) With the development of computer technology and a variety of commercial software for numerical analysis appeared, the finite element method is increasingly used in engineering practice, and proved to be entirely feasible.
China Civil Engineering Journal.