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Calibration of an Impact Device and Its Application to the Normalized Spectral Analysis of Impact-Echo Tests Yiching Lin1,a, Chun-Kuei Yang1,b, and Chia-Chi Cheng2,c 1 Department of Civil Engineering, National Chung-Hsing University, 250 Kuo-Kuang Rd., Taichung 402, Taiwan, ROC 2 Department of Construction Engineering, Chaoyang University of Technology, 168 Gifeng E.

Study on Situation Awareness in Aviation Ergonomics Wei Liu1,2,a, Dong Mei Mu1,b,Da Min Zhuang2,c,Xiu Gan Yuan2,d 1School of Automation, Beijing university of Post and Telecommunications, Beijing, 100876 2School of Aeronautic Science and Engineering Beijing University of Aeronautics and Astronautics Beijing, China atwhlw@163.com, bcqmdm5@gmail.com, cdmzhang@buaa.edu.cn, dxiugyuan@buaa.edu.cn Keywords: Aviation,Human-machine Environment,Ergonomics,Situation Awareness,Model Abstract.
However, as a more forefront topic, SA is causing a great number of engineers and science workers to interest in its potential applications.
Acknowledgements Foundation Projects: NSFC Project(30970904 ),(30400137 );National Natural Foundation Commission and the Civil Aviation Science Foundation Project (60672181);National Basic Research Program of China (Program Grant No:(2010CB734104) References [1] M.R.

Nonlinear Analysis for the Rectangle Axially Loaded Column with CFRP Considering Secondary Load Yan Tao a, Jun Sun b, Zheng Liu c and Liwei Ma Faculty of Civil and Architectural Engineering, Kunming University of Science and Technology, Kunming 650224, Yunnan, China atylshj@163.com,bsjun2007@yahooo.com.cn,ckmliuzheng@yahoo.com.cn Key words: Secondary load, Carbon fiber reinforced polymers (CFRP), Axially loaded column, Nonlinear Abstract.
[2] Wang X M, ANSYS numerical analysis method in engineering structure.

Study on Mountainous Shallow-Buried Coal Seam Mining Working Face Strata Behaviors and Overlying Strata Movement Features Guolei Liu1,2,a, Kegong Fan 2,3,b, Tongqiang Xiao 4,c 1School of Mechanics and Civil Engineering, China University of Mining and Technology, Beijing 100083, China 2State Key Laboratory of Coal Resources and Safe Mining, Xuzhou, Jiangsu 221008, China 3Ministry of Education Key Laboratory of Mine Disaster Prevention and Control, Shandong University of Science and Technology, Qingdao, Shandong 266510, China 4Institude of Resources and Environment, Henan Polytechnic University, Jiaozuo, Henan, 454000, China a liuguolei2003@163.com, b fankeg@163.com, c xtq2000@163.com Keywords: Mountainous shallow-buried coal seam mining, Working face strata behaviors, Movement feature of overlying strata.
Engineering situation Fear well field was located in the western of Guizhou, China.

Journal Citation (to be inserted by the publisher) Copyright by Trans Tech Publications Dynamic Response of a Crack in a Functionally Graded Material under an Anti-Plane Shear Impact Load Jan Sladek1, Vladimir Sladek1 and Chuanzeng Zhang 2 1 Institute of Construction and Architecture, Slovak Academy of Sciences, 84220 Bratislava, Slovakia, email: usarslad@savba.sk 2 Department of Civil Engineering, University of Applied Sciences Zittau/Görlitz, D-02763 Zittau, Germany, email: c.zhang@hs-zigr.de Keywords: Meshless method, Local boundary integral equations, Functionally graded materials, Transient dynamic crack analysis, Stress intensity factor.
They can be applied to a wide range of engineering structures and components.

Performance of High-efficiency Liquid Cement Setting Accelerator with Alkali-free and Its Acceleration Mechanism Yan Wang1,a, Jun Wang1,b, Shuheng Qiu2,c , Fei Gao 1,d, Rui Gu 1,e 1 China Construction Ready Mixed Concrete Company Limited, Wuhan, Hubei, 430074, China 2 School of materials science and engineering in GuangXi University, Nanning, Guangxi, 530004, China a 503067212@qq.com, b wjhbmaster@163.com, c wujicl@126.com, d 136680491@qq.com, e 284681691@qq.com Keywords: setting accelerator; setting time; compressive strength; acceleration mechanism Abstract.
Hooton: Evaluation of strength and set behavior of mortar containing shotcrete set accelerators, Canadian Journal of Civil Engineering Vol.35(4)(2008), p. 400-407 (in Chinese) [5] Y.

Research on VSP Microcosmic Emission Model and Numerical Simulation for Motor Vehicle Haiwei Wang 1, a, Huiying Wen 1,b , Feng You 1,c ， Guifeng Yang 1,d 1School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510640, China awhw2046@126.com, bwenhy@scut.edu.cn, cyoufeng77@126.com, dyangguifeng_scut@126.com Keywords: Testing techniques, Numerical calculation, Energy conservation, Computer simulation, Vehicle specific power.
Its ultimate purpose is "to achieve process control based on intelligent transport vehicle energy saving", which has become the focus of the majority of traffic engineering personnel research and development direction.

Study on Properties and Pavement Performance of Anti-flaming and Warm-mix SBS Modified Asphalt YangCheng Huang1, a, ZhaoYi He 2, b* 1 Chongqing Jiaotong University Library, Chongqing Jiaotong University, Chongqing 400074, China 2 Institute of Civil Engineering and Architecture, Chongqing Jiaotong University, Chongqing 400074, China axavier.hyc@gmail.com, bhzyzwb@cquc.edu.cn Keywords: SBS modified asphalt; warm-mix agent; fire retardant; sasobit; cecabase; Abstract.
References [1] Cheng Ling., et al., Quantitative investigation on energy conservation and emission reduction related to warm mix asphalt (WMA) ,Chinese Journal of Environmental Engineering,Sep. 2010 No.9,p152-155 [2] Nishant Mukeshkumar Sheth., Evaluation of selected warm mix asphalt additives, Master's thesis, University of Iowa, 2010

A fb Model for Predicting Shear Strength of Unsaturated Soils Jingyu Chen1, a, Ying Hai2,b 1School of Civil Engineering and Architecture, Jiaxing University, Jiaxing 314001, P.R.
China 2School of Mechanical and Electrical Engineering, Jiaxing University, Jiaxing 314001, P.R.

Study on Design and Application of a Manufacturing Process Management System of Large Sized Structure Components in Construction Machinery ZHOU Ke 1, a, LI Xiaodong 2,b 1 Department of Physics and Information Engineering, Jining University, Jining, China 2 Shantui Construction Machinery Institute, Shantui Construction Machinery co.
Introduction Construction machines are absolutely necessary for capital construction, building construction, and civil construction.
The authors thank Jining University for the support, thank the colleagues in Department of Physics and Information Engineering for all their supports.