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Martensite Phase Transform during Nitrogen-spray water Jet Quenching Lifeng Wang1, a, Baodong Shao1,b , Heming Cheng1,c and Chong Tian1,d 1 Department of Engineering Mechanics, Architecher of Civil Engineering, Kunming University of Science and Technology, Kunming, 650500, People’s Republic of China awanglifeng0314@163.com, bshbd_1221@163.com, cchenghm650093@yahoo.com.cn, dtianchong688@126.com Keywords: Martensite Phase Transform; 9SiCr alloy steel; Nitrogen-spray water jet quenching; Hardness; Metallographic structure Abstract.

Performance of nano-modified asphalt binder and mixture Bangyan Tang1,a , Hui Yao2,b,*, Yu Feng3,c and Xudong Hu4,d 1 Road & Bridge Engineering College, Hunan Communication Polytechnic, China 2,* School of Civil Engineering, Central South University, China, Corresponding author 3 Hunan Highway Administration, China 4 National University of Defense Technology, China a tby31@126.com, b jianxin_yaohui@163.com, c 7411408@qq.com, d hxd1979@live.com Keywords: Pavement materials; nano powered rubber; softening point; compression strength Abstract.

Design and Experimental Investigation of a new–style Pultruded GFRP Mid- Beam Wei Zhang a, Mingyi Zhang b and Litang Gaoc School of Civil Engineering, Qingdao Technological University, Qingdao 266033, P.R.
Harris: Engineering Composiste Materials (China Architecture & Building Press, Beijing 2004).

Model Test for a New Chorded Arch Bridge Yanmei Gaoa, Zhixiang zhou b School of civil engineering architecture and construction, Chongqing Jiaotong University, Chongqing, 400074, China a lg2346@163.com, b zhixiangzhou@cquc.edu.cn Key words: A New Chorded Arch Bridge, Ratio of 1:10, Simulation Test of the Arch Rib Rotating Down Construction, Simulation Test and Treatment of Closure Errors, Simulation Test of Key Stages of Construction and Service Abstract: A new chorded arch bridge is put forward by Professor Zhixiang zhou of Chongqing Jiaotong University.
Structural Engineering International, 2009, 19(2): 142 148

Preparation and Performance Research of Polyimide Modified Nylon Resin Hongkai Zhao1, a, Liguang Xiao1,b and Hongjie Wang1,c 1School of Materials Science and Engineering, Jilin Architectural and Civil Engineering Institute, Changchun, Jilin, 130118, China ahkzhao003@126.com, bxlg627@163.com, cwanghongjie3721@163.com Keywords: Caprolactam, Nylon 6, Anion, Polyimide, In-situ polymerization.

Finite Element Analysis of Middle Long Columns of High-Strength Concrete filled Square Steel Tube with Inner CFRP Circular Tube Under Axial Load Guochang Li a, Chengyi Di b, Shujie Li c School of Civil Eengineering, Shenyang Jianzhu University, Hunnan Avenue ,China 110168 aliguochang0604@sina.com, bdichengyi@163.com, Clsjvs2008@163.com Keywords: ABAQUS Finite Element; With CFRP Circular Tube; High-Strength Concrete; Axial Compression; Ultimate Bearing Capacity Abstract.
Introduction Square steel tube concrete structure has many advantages such as high bearing capacity, simple node structure, good stability, so more and more it is applied in engineering[1-4].
With the continuous development of concrete technology, high-strength concrete is also widely used in constructional engineering and can bring considerable economic benefits.

A Dynamic Re-Configuration and Order Optimization Model and Optimization Algorithm in Complex System Yahong Yang1, a, Ying Wang2,b 1 College of Civil Engineering, LanZhou University of Technology Lanzhou, China a yangyahong@lut.cn, bwangy@lut.cn Keywords: Complex System; Dynamic reconfiguration; Order Optimization Abstract.
Computers and Industrial Engineering,56(4):1309-1318,2009

Integrative Fuzzy Set Pair Model for Safety Pre-evaluation in Construction Stage Lixin Li1, a, Hongzhen Li2, b , Yubing Duan3, Xu Wang4 1,2School of Civil Engineering, Shenyang Jianzhu University, Shenyang, Liaoning, 110168, China 3,4Shenyang Shuntian Construction Group Co., LTD, Shenyang, Liaoning, 110003, China a lilixin1966@163.com, bicedew585@163.com Keywords: Integrative Fuzzy Set Pair Assessment, Safety Pre-evaluation, Construction Stage, Connection Degree.
Chen: System Engineering Vol. 22 (2004), p. 35 (In Chinese) [4] J.

Fractal Study for Surface Cracks on the Recycled Concrete Beams with Recycled Bricks SUN Hong-quan, GUO Jian School of Civil Engineering, Suzhou University of Science and Technology, Suzhou 215011, P.
As a new type of green building materials adapting to sustainable development, the recycled concrete has become one of the hot and cutting-edge researching issues on engineering and academic in the word.

Simulation of Wave-Maritime Structure Interactions by Using a Numerical Wave Flume Qin Jiang 1 and Changkuan Zhang 2 1, 2 College of Harbour, Coastal and Offshore Engineering, Hohai University, Nanjing, P.
Ouyama, in: Interim Development of a Numerical Wave Flume for Maritime Structure Design, Journal of Civil Engineering in the Ocean, Japan, vol. 15., pp.321–326, 1999