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Fracture Analysis of Welded Steel Connections In Pre-crack Condition Yucai Feng 1, a, Yuping Sun1, Jutao Zhang2 and Shanshan Yu1 1 School of Civil Engineering, Lanzhou University of Technology, China 2Gansu Institute of Architectural Design And Research, China aanzhanxc@163.com Key words: steel connection, XFEM, pre-crack, fracture performance.
International Journal for Numerical Methods in Engineering, 2001, 51( 8) : 943- 960

Mechanical Behaviors and Chloride Permeability of Rice Husk Ash Concrete Hailong Wang a, Qiwen Peng b and Xiaoyan Sun c Department of Civil Engineering, Zhejiang University, Hangzhou, China ahlwang@zju.edu.cn, bpengqw414@zju.edu.cn, cselina@zju.edu.cn(corresponding author) Keywords: concrete; rice hush ash; mechanical behavior; elastic modulus; chloride permeability.
Besides, lots of researches have been carried out to get high performance concrete with controlled burning condition in lab whereas they are difficult to accomplish in the real engineering because of the inconvenient application of certain condition and grinding methods.

Design of Hydraulic Loading System for The Little Loading Bearing Testing Machine Liping Xu 1, a, Lanjie Li2, b 1Department of mechanical and electrical engineering, Henan University of Science & Technology, Luoyang, 471003, China 2Department of mechanical and electrical engineering, Henan University of Science & Technology, Luoyang, 471003, China aemail: xlpzz@163.com, bemail: lanjieli_02@163.com Key words: Bearing Testing Bench; Hydraulic loading system; Damp; Proportional relief valve Abstract: Utilizing hydraulic loading to achieve a little loading, is one of the hydraulic loading technical problems.
Introduction Bearing testing machine is widely used in the design and development of aviation, aerospace and civil bearings for simulating the different working conditions of bearings, to test their performance and reliability [1].

High-Velocity Impact of Carbon/Epoxy Composite Laminates Zhao Guiping1 , Wang Zhenghao2 , Zhang Jianxin 2 , Cho Chongdu3 1 MOE Key Laboratory for Strength and Vibration, School of Aerospace, Xi'an Jiaotong University, Xi'an xianning road No.28, 710049, P.R.China 2 Department of Civil Engineering, Xi'an Jiaotong University, Xi'an xianning road No.28, 710049, P.R.China 3 Department of Mechanical Engineering, Inha University 253 Yong Hyun Dong, Nam Ku Inchon, 402-751, S.

Solid-liquid Coupling Mechanism Research in Seepage Field and Stress Field of Fractured Rock Mass MAO Hai-tao , WANG Xiao-ju, Civil engineering institute of Chongqing three Gorges College China ·Chongqing 404100, Keywords: Discontinuous rock masses; seepage fields; stress field; coupling mechanism Abstract.
Engineering example analysis Some mining area is located the west wing of epsilon-type structure in Chongqing some district. the water bearing rocks(marble) is be seated between granite and diorite, showing zonal distribution in the plane, towards WNW, trend SSW , the length is about 4 km long, the width is 60-80 meters wide.

The 3D stress analysis of arch foot for a through tied arch bridge Lu Yin1, a, Bo Chen1, b, Fengtao Bai1, c and Bing Zhu1, d School of Civil Engineering, Southwest Jiao tong University, Chengdu, China 610031 ayinlu001@126.com, bchbollyy@126.com, cshinetheworld@hotmail.com, dzhubing126@126.com Key words: through tied arch bridge ansys 3D simulation analysis tendon arch foot Abstract: Due to computer performance, nowadays only parts of the structure can be executed the simulation analysis of 3D.
Engineering situation The object of this study is an arch foot of a through tied arch bridge.

Estimating the sources and transport of nitrogen pollution in the Ishikari River Basin, Japan Weili DUAN1, a, Bin HE2,3, b, Kaoru TAKARA4, c Pingping LUO5, d and Yosuke YAMASHIKI4, e 1Department of Civil and Earth Resources Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan 2Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing, China 3Center for Promotion of Interdisciplinary Education and Research, Kyoto University, Kyoto, Japan 4Disaster Prevention Research Institute, Kyoto University, Kyoto, Japan 5Postdoctoral fellowship of Japan Society for the Promotion of Science, Disaster Prevention Research Institute, Kyoto University, Kyoto, Japan aduanwl1986@flood.dpri.kyoto-u.ac.jp, bhebin@flood.dpri.kyoto-u.ac.jp, ctakara@flood.dpri.kyoto-u.ac.jp, drobertluoping@flood.dpri.kyoto-u.ac.jp, eyamashiki.yosuke@flood.dpri.kyoto-u.ac.jp Keywords: Nitrogen pollution; Watershed modeling; SPARROW; Surface water.

Construction of Harmonious Coexistence System between Green Building and Environment Li Jing1,a, Chen Haiyang2,b, Qu Xianfeng3,c, Guan Youhai1.d and Li Juan1,e 1College of Transport & Storage and Civil Engineering in China University of Petroleum, Qingdao, 266555, China 2Department of programming & construction in China University of Petroleum, Qingdao, 266555, China 3State Key Laboratory of Heavy Oil Processing in China University of Petroleum, Dongying, Shandong 257061, China ajingli@upc.edu.cn, bchenhaiyangupc@163.com, cxfengqu@126.com, dgyhlhl@163.com, elijuanupc@163.com, Keywords: Green Building, Sustainable Development, Harmonious Coexistence.
Carrying out from the management system, values, engineering design, material selection, construction management and other aspects to construct the harmonious coexistence system between green buildings and environment.

Analyses on the Manufacture and Physical Properties of Electromagnetic Shielding/ Far Infrared Ray Nonwoven Jia-Horng Lin1, 2, Yu-Tien Huang1, Chin-Mei Lin3, Yi-Chang Yang4, Chien-Teng Hsieh5, Ching-Wen Lou6* 1 Laboratory of Fiber Application and Manufacturing Graduated Institute of Textile Engineering, Feng Chia University, Taichung 407, Taiwan, R.O.C. 2 School of Chinese Medicin,China Medical University, Taichung, Taiwan, R.O.C. 3 Graduate Institute of Fashion Design, Ling Tung University, Taichung 408 Taiwan, R.O.C. 4 Department of Fashion Styling and Management, Shih Chien University, Kaohsiung, Taiwan, 845, R.O.C. 5 Department of Fashion Design and Merchandising, Shih Chien University Kaohsiung 845, Taiwan, R.O.C. 6 Institute of Biomedical Engineering and Material Science, Central Taiwan University of Science and Technology, Taichung, Taiwan, Republic of China *Email: cwlou@ctust.edu.tw Keywords: low melting polyester fiber, far infrared
The optimum EMSE was 45 dB, which was superior to the generally civil standard by 20 dB, and the EMSE was proved at good rank.

The Safety Monitoring System of Ship/bridge Crash Testing Laboratory Run AI1,a, Muxi LEI2,b, Zhengbao LEI3,c and Bifeng OU4,d 1Engineering Research Center of Catastrophic Prophylaxis and Treatment of the and Traffic Safety Changsha University of Science and Technology, Ministry of Education, China Hunan Changsha 410004, P.R.China 2School of Civil Engineering and Architecture, Changsha University of Science and Technology,China Hunan Changsha 410004, P.R.China 3Key Laboratory of Highway Engineering (Changsha University of Science and Technology),Ministry of Education,China Hunan Changsha 410004, P.R.China 4Changxiang Expressway Construction development Ltd.