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Study on Load Stress of Lean Concrete Base in Asphalt Pavement Lijun Suo Civil Engineering Department, Luoyang Institute of Science and Technology, China lijunsuo@126.com, Keywords: Asphalt pavement, Lean concrete base, Load stress, Finite element model Abstract.
However, early distresses in asphalt pavements remain a challenge to pavement engineers in recent years.

Finite element analysis of Mobile towers made of prefabricated elements according to standardization EN1004 Huiqing LV 1, a, Xiangwei Zhang 1,b 1 School of Civil and Transportation Engineering, Guangdong University of Technology，Guangzhou 510006, China alhuiqing@163.com, bxwzhang@gdut.edu.cn Keywords: Finite element analysis, Mobile tower, EN1004 Abstract.
ANSYS 12.0 Application examples of structure analysis engineering (China machine press,2010) [3]O.C.

· haydi gidelim References [1] Deng Xi Liu Xing Grey Evaluation Method for Achievements of Agent Construction Manager of Government Investment Projects [J], Journal of Wuhan University of Technology(Transportation Science & Engineering) .
Vol.40 (2002), p. 299-323 [3] SHAO Zhe ping 1; WU Zhao lin 2; FANG Xiang lin 2 Methods of safety quantitative evaluation in marine traffic system [J] Journal of Dalian Maritime University, Vol.2 (2002), p.9-12 [4] Xi Yan Study on Evaluation Index System for Fundamental Modernization of Water Transportation [J] Journal of Wuhan University of Technology(Transportation Science & Engineering), Vol.2(2008), p.66-69 [5] Liu Yuntong On the Macroscopic Evaluation of Road Traffic Safety [J] CHINA JOURNAL OF HIGHWAY AND TRANSPORT.
Vol. 8(1995), p.169-175 [6] Liu gang，Zhu jin fu A Grey Hierarchy Risk Evaluation for Civil Airport Operation Security and Safety [J] Southwest Jiaotong University Press, (2008).

Ductile Damage Evolution Analysis of Lead-Free Sn-Zn Solder Based on Meso Topography Caiping Liu1,a, Qingquan Duan2.b and Lingtao Mao3,c 1School of Civil and Environment Engineering, University of Science and Technology Beijing, Beijing 100083, China 2School of Mechanical and Transportation Engineering, China University of Petroleum, Beijing 102249, China 3Laboratory of Coal Resources and Safe Mining, CUMT, Beijing 100083, China aliucp@ustb.edu.cn, bdqq@cup.edu.cn, cmlt@cumtb.edu.cn Keywords: Meso-structure, Ductile failure, Image processing, Damage evolution, Lead-free solder Abstract.

Max-Min Ant System Approach for Solving Construction Site Layout Xin Ning1, a and Wen Han Liu2, b 1School of Investment and Construction Management, Dongbei University of Finance and Economics, Dalian, China 2Information and Control Engineering, Shenyang Jianzhu University, Shenyang, China.
Yeh: Journal of Computing in Civil Engineering ASCE, Vol. 9 (1995) No.3, p.201

Study of Performance Levels of Masonry Buildings Based on Damage  Wei Liu1, a, Peng Xu2, b, Bo Zhang3, c 1,2,3The civil engineering of college, Zhengzhou University, Zhengzhou 450001, China aliuwei@zzu.edu.cn, bxupeng206@163.com, czb315219652@163.com Keywords: Masonry building, Basic damage index, Holistic damage index, Comprehensive evaluation coefficient Abstract.
Windows of different sizes have higher effect on structural damage than different structural measures, to which must be pay great attention by engineering designers.

The Study on the Mechanical Properties of Closed-cell Foam Rubber Based on Microstructure Model GUO Hui1, a，HU Wen Jun1, 2,b and TAO Jun Lin1,c 1School of Civil Engineering and Architecture,Southwest University of Science and Technology, Mianyang ,621010,China 2 Institute of Structure Mechanics ,China Academy of Engineering Physics, Mianyang, 621900, China aguohui56789@126.com, b wjhu@vip.sina.com, cjunlintao@126.com Keywords: foam rubber; superelasticity; finite deformation; constitutive relationship Abstract: This paper analyses the mechanical behavior of matrix material and cell structure of closed-cell foam rubber by Gibson-Ashby model and the strain energy function of incompressible rubber-like material.

Investigation of Hydration Heat of Slag in Portland Cement Environment Jiachun Wang Department of civil engineering of Xiamen university of technology , China wjcxsx@sina.com.cn Keywords: slag; hydration heat; Portland cement; calculation Abstract.
For engineering application, the ratio between the liberated heat of hydration Q (t) at time t and the total liberated heat at complete hydration Qmax is considered the most convenient index to express the hydration degree.

Analysis of Thermo-mechanical Stresses in Laminated Hollow Circular Cylinder with Finite Length Zhao Hongjin a, Shao Zhushan b, Wu Minzhe c 1School of Civil Engineering, Xi’an University of Architecture & Technology, Xi’an 710055, China azhq-2005@163.com, b zhushan.shao@gmail.comemail, cminzhewu@163.com Keywords: Laminated hollow circular cylinder, Thermo-mechanical stress, Analytical solution, Thermo-elastic theory.
How to reduce these stresses and deformations becomes important in engineering, and extensive effects have been devoted to this field [1].

Take certain civil satellite as an example, its Ni-Cd battery phalanx required three-week charge-discharge test.
[2] SONG Mingli, WANG Suli, Computer Engineering and Design, Rockets, Missiles and Guidance, 32 (2011) 1680-1717
[5] WU Wei, ZHANG Wei, PAN Shunliang, LI Hongfei, YANG Shuo, Application of Auto Interpretation System in Manned Spacecraft, Space Craft Environment Engineering. 28 (2011) 628-631