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Fatigue Life Analysis of Reinforced Retaining Wall under Cyclic Loading Yun Li School of Civil Engineering, Central South University, Changsha 410075, China liyun2007@csu.edu.cn Keywords: cyclic loading; reinforced retaining wall; fatigue life analysis; dynamic characteristics; red sandstone Abstract.
This paper adopts Mohr-Coulomb constitutive model widely used in currently geotechnical engineering.
Vibration engineering journal, 2002,15(2):173~177(in Chinese) [2] Guolin Yang, Hongbin Xiao, Yonghe Wang.
Civil engineering journal, 2003, 36(6): 105~110(in Chinese) [3] Haishen Li, Guolin Yang, Yinsheng Zou .
Railway science and engineering journal, 2010, 37 (5) ：30~35(in Chinese)

Asphalt concrete is one material of pavement engineering.
References [1] Pang, W.H., A study on applying lean construction for rationalized maintenance in asphalt pavement, in Civil Engineering. 2010, Nation Central University: Taoyuan
[3] Construction Engineering & Management, P.U.
[5] Tsai, M., Utilization of Information Technology into Asphalt Plant Operation System, in Civil Engineering. 2008, National Central University: Taoyuan
-S., Integrated Models for Ready Mixed Concrete Production and Truck Dispatching, in Civil Engineering. 2007, National Central University: Taoyuan

Research on Optimization of Excavating Seguence for Dawangou Tunnel Jin Changyu1, a, Zhao Panpan1,b, Xiang Chunfu2,c,Xia Zifeng1,d,Dong Longbin1,e and Liu Dong1,f 1 College of Resources and Civil Engineering, Northeatern University, Shen Yang, China 2Traffic and Transportation School, Dalian Jiaotong University, Da Lian, China ajinchangyu@mail.neu.edu.cn, bzpp080425@163.com, c352262254@qq.com, dxzf.1216@163.com, e974759009@qq.com, f1909526468@qq.com Key words: numerical simulation，tunnelling engineering，excavation optimize，local energy release rate Abstract.
Introduction Development of the underground engineering geological disasters is a nonlinear evolution process.
Chinese Journal of Rock Mechanics and Engineering, 2008, 27(1): 145 -151
Chinese Journal of Geotechnical Engineering, 2001, 2002, 24(4): 483-486
Chinese Journal of Rock Mechanics and Engineering, 2004, 23(19): 3282-3286: 483-486

Collision ansysis of sandwiched polyurethane composite steel tube Lin Wang1,a, Xing Zhang2,b 1School of Civil Engineering and Architectural study, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu, 2120031 China 2School of Civil Engineering and Architectural study, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu, 2120031 China.
The diameter of the rigid collision ball for 0.08m two kinds of tube thickness can be seen in Table 1. material attribute selection adopts now commonly value in practical engineering and steel pipe does not consider its tangent modulus [9]-[10] is to make the calculated results tend to safety.
Polymeric materials science and engineering. 2002, 18 (1): 141-144 [5] Liu Dubao, Bao Junjie, Tang Deng and so on, the research progress and application of functional polyurethane materials [J].
[7] Wang Xinmin ANSYS engineering structure numerical analysis [M].

Experimental Investigation and Nonlinear Finite Element Analysis of U-shaped Steel-Concrete Composite Beam Wenhu Li , Fenghua Zhao College of Architecture and Civil Engineering, Changzhou Institute of Technology Changzhou (213002), Jiangsu, China zhaofh@czu.cn Keywords: U-shaped steel; Composite beam; Load-strain; Nonlinear Finite Element Abstract.
Yu, Investigation and Application of Steel and Concrete Composite Beams in Our Country [J], Civil Engineering Journal, 1999(2)
Du, Test Analysis of New Composite Beam [J], Engineering Mechanics, 2003, 20 (2): 460-463
Engineering Mechanics, 2004, 21 (1): 490-493
Flexural Strength of Profiled Beams[J].Journal of Structure Engineering，ASEC, 1994，120(2):378－398

Analysis of fatigue and cumulative damage characteristics for concrete in freezing-thawing environment XIAO Qian-hui (School of architecture and civil engineering , XI’AN University of science and Technology , XI’AN 710054, China) Keywords: concrete;fatigue;cumulative damage;freezing-thawing environment Abstract: Through analyzing the characteristic of concrete freezing-thawing cumulative damage, concrete freezing-thawing damage can be with fatigue problems with similar methods to analysis.
The concrete buildings in the cold area, especially those in the alternating wet and dry environment structure, such as dams, bridge, culvert, port engineering, often due to alternation of freezing-thawing cycles occur durability damage, can not meet the design service life.The concrete building in the environment of alternating positive and negative temperaturea, and internal containing more water, will occur freezing-thawing damage, so the freezng- thawing damage is the most representative indicator of concrete durability [1].
Stydy on the mechanism of concrete destruction under frost action [J].Journal of hydraulic engineering shuili xue bao, 1999 （1）:41-49
Analysis on reliability of concrete under freezing-thawing action and evaluation of residual life[J].Journal of hydraulic engineering shuili xue bao, 2006，37（3）：259－263
China Civil Engineering Journal，1997, 30( 4): 35-42

Theoretical and Practical Risk Assessment Method in Tunneling Evbuomwan Precious Omosedea and Yu DeMingb Central South University, School of Civil Engineering and Architecture, Changsha, Hunan 410075, China asedelove@gmail.com, bdeming.yu@163.com Key words: risk assessment, tunneling, tunnel risks.
Tunnel and Mining Engineering.
Department of Civil Engineering and Environmental Engineering.
Journal of Architectural Engineering. (1996). 2(1), 3-10

Research on Cost Risk Identification of Metallurgical EPC Project Zhiguo Yin 1,a, Huimin Li 2, b 1 School of Civil Engineering, Xi’an University of Architecture and Technology, Shaanxi Xi’an, China 2 School of Civil Engineering, Xi’an University of Architecture and Technology, Shaanxi Xi’an, China 43282218@qq.com a, li_huimin2005@126.com b Keywords: Risk Identification.
Risk identification is a complex system engineering, project risk identification task is to qualitatively determine the project specific risk factors engineering existence and attributes, so project risk identification methods are usually some qualitative methods of analysis, and a variety of risk identification methods of analysis point of view, the focus of analysis and analysis of such routes differ, the final results of risk identification is different.
International engineering contracting project risk early warning research.

Preparation and Performance Investigation of Phenolic foam Li-yan Wang1,a,Guang-qing Gai2,b,Huan-yang Yu3,c,and Wen-long Liu4,d 1, 3College of Material Science and Engineering,Jilin Institute of Architectural and Civil Engineering,Changchun,China 2Laboratory of Building energy-saving Technology Engineering,Jilin Institute of Architectural and Civil Engineering,Changchun,China 4China Construction Eighth Engineering Division Co.Ltd.

Calculation and Analysis on Long-Term Settlement of Metro at Hexi Region in Nanjing Bingqing Zhang1,a 1Key Laboratory of Road and Traffic Engineering of Ministry of Education, Tongji University, 4800 Caoan Road, Shanghai, China azbq12350361@163.com Keywords: opencut metro tunnel; long-term settlement; composite foundation; static load; consolidation settlement; secondary consolidation settlement Abstract.
Research on the creep behavior of shanghai soft clay and the differential settlement of shield tunnel[D].Shanghai:College of Civil Engineering of Tongji University,2008, in Chinese [3] Yiqun Tang,Yanling Wang,Yu Huang,et al:submitted to Journal of Tongji University:Natural Science(2004), in Chinese [4] Yiqun Tang,Yu Huang,Weimin Ye,et al:submitted to Chinese Journal of Rock Mechanics and Engineering(2003), in Chinese [5] Yiqun Tang,Shukai Zhao,Ping Yang,et al:submitted to China Civil Engineering Journal(2009), in Chinese [6] Ru Zhang,Yangju Tu,Wenping Fei,et al:submitted to Rock and Soil Mechanic, (2006), in Chinese [7] Xiaoliang Hou,Xiaobao Zhao,Xiaozhao Li:submitted to Chinese Journal of Underground Space and Engineering(2009), in Chinese [8] Xiaoliang Hou,Xiaobao Zhao,Xiaozhao Li,et al:submitted to Geotechnical Investigation and Durveying(2011), in Chinese [9] GB50007-2011,Code for design of building, in Chinese [10] JGJ79-2012,Technical code for ground treatment of building,