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Modeling and Analysis of Magnetorheological Fluid Damper under Impact Load Shixing Zhu1,a,Xin Liu2,b,Li Ding3,c College of Aeronautical Engineering, Civil Aviation University of China, Tianjin 300300, China a8337899_tj@sina.com, bcauc_bamboo@sina.cn c448247973@qq.com Keywords: Modeling; MR damper; Simulation Abstract：Modeling of a multi- ring grooves Magnetorheological（MR）fluid damper designed by ourselves were respectively carried out based on the Bingham model and the Herschel-Bulkley model.
B., Fabrication of off-axis aspherical mirrors with loose abrasive point-contact machining, Key Engineering Materials, 2004, 257—258: 153—158
[7]Wang Peng.Research of MRF damper applied on landing gear when subject to impact loading[D].Civil Aviation University of China,2011
[8] Hou Baolin,MEHDI Ahmadian.Modeling and Analysis of a Magneto-Rheological Shock damper.Chniese Journal of Mechanical Engineering,Vol.42(4)

Numerical simulation and analysis of energy saving operation of chillers in an air conditioning system Xiaoyu Sun 1, a, Rui Li 2,b 1Beijing University of Civil Engineering and Architecture, 1 Zhanlanguan Road, Xicheng District, Beijing 100044, China asun891208@126.com, blirui@bucea.edu.cn Keywords: chillers, combined operation, energy saving, numerical simulation Abstract.
Introduction With the development of the city, more and more large public and civil buildings are constructed.
Acknowledgements This work was financially supported by National Specialty Construction Project (Building Environment and Energy Engineering), and supported by Beijing Municipality Key Lab of Heating, Gas Supply, Ventilating and Air Conditioning Engineering.

Reinforcing Fibre Reinforced Polymer Bridge Decks with Steel Rods Mehmet Alpaslan Köroğlu1, a, Yunus DERE1,b Necmettin Erbakan University, Engineering and Architectural Faculty, Civil Engineering Department, Konya, Turkey a makoroglu@konya.edu.tr, b ydere@konya.edu.tr Keywords: FRP deck, bridge, finite element.
C. (2010), “A review of the present and future utilisation of FRP composites in the civil infrastructure with reference to their important in-service properties”, Construction and Building Materials, Vol. 24, pp. 2419–2445
[4] Keller, T. (2002), ‘‘Overview of Fibre-Reinforced Polymers in Bridge Construction’’, In: Structural Engineering International , May, No. 2, p. 66–70

The Influence of Construction Fillings of Building on Airtightness Michal Kraus1, a, Darja Kubečková1, b 1 VŠB-Technical University of Ostrava, Faculty of Civil Engineering; Ludvíka Podéště 1875/17, 708 33 Ostrava, Czech Republic amichal.kraus@vsb.cz, bdarja.kubeckova@vsb.cz Keywords: Airtightness, construction fillings of buildings, energy efficient building, energy performance Abstract.
Note This contribution was created under the support of the specific university research – Student Grant Competition of VŠB-TU Ostrava with the ID code SP2013/27 and in collaboration with the scientific program called Creation and the internationalization of top research teams and improving their excellence at the Faculty of Civil Engineering, VŠB-TU Ostrava (Young Researchers).
Vaverka, Building heat engineering and energetics of buildings, Vutium, Brno, 2006

Chucheepsakulb Center for Mechanics and Materials (MecMat), Department of Civil Engineering, Faculty of Engineering, King Mongkut's University of Technology Thonburi, Prachautid Road, Bangmod, Tungkru, Bangkok 10140, Thailand a chawist@hotmail.com , b somchai.chu@kmutt.ac.th Keywords: Carbon nanotubes, Finite element modeling, van dar Waals interaction, Buckling behavior, Critical load Abstract.
Chucheepsakul: Proceedings of the 12th ational Convention on Civil Engineering, Phitsanulok (2007), p. 272.

Variation in Fineness of Cement-based Composites Containing Sugarcane Bagasse Ashes An Cheng1,a, Wei-Ting Lin1,2,b, Sao-Jeng Chao1,c and Hui-Mi Hsu1,d 1Department of Civil Engineering, National Ilan University, Ilan, Taiwan 2Institute of Nuclear Energy Research, Atomic Energy Council, Taoyuan Yuan, Taiwan aancheng@niu.edu.tw, bwtlin@niu.edu.tw, cchao@niu.edu.tw, dhmhsu@niu.edu.tw Keywords: Microstructure, Waste Treatment, Pore.
Further, using the by-products or recycled materials as a substitute for natural materials produced concrete or cementitious composites may help preserve natural resources and it is an impartment research topic for sustainability in civil engineering.
Sathiya: International Journal for Service Learning in Engineering Vol. 5 (2010), p. 60

Problems Existing in Advanced Treatment and Reuse of Coking Wastewater and Improvement Measures Ba Ya-er 1, a, Zifu Li 2,b 1 School of Civil & Environmental Engineering Beijing University of Science and Technology Beijing, China 2 School of Civil & Environmental Engineering Beijing University of Science and Technology Beijing, China a bye126@hotmail.com, bzifulee@aliyun.com Keywords: coking wastewater, advanced treatment, reuse, problem analysis, improvement measures Abstract.
Water & Waste Water Engineering. (2008)，34(7) ,p.59-62（In Chinese）.

A Simplified Method to Obtain Subway Vibration Load Based on Analysis in Frequency Domain Jingbo Liu1, a, Xiaobo Zhang1, b, Dongdong Zhao1, c, Wenhui Wang1, d 1 Department of Civil Engineering, Tsinghua University, Beijing 100084, China aliujb@tsinghua.edu.cn, bzhangxb05@yahoo.com.cn, czhaodd07@gmail.com, dwangwh07@gmail.com Keywords: subway vibration load, ground vibration test, numerical simulation, frequency domain Abstract.
References [1] Rucker, W.: Measurement and Evaluation of Random Vibrations, Proceedings of DMSR77 /Karlsruhe/, Vol.1: 407-421. (1977) [2] Dawn, T.M., Stanworth, C.G.: Ground Vibrations Caused by Passing Trains, Journal of Sound and Vibrations, 66(3): 355-362. (1979) [3] Chen J.G., Xia H., Xiao J.H., Cao Y.M.: Experimental Study of Ground Vibrations Induced by Moving Train, Rock and Soil Mechanics, 29(11): 3113-3118. (2008) [4] Pan C.S., Xie Z.G.: Measurement and analysis of vibrations caused by passing trains in subway running tunnel, China civil engineering journal, 23(2): 21-28. (1990) [5] Andersen, L., Nielsen, S.R.K.: Reduction of Ground Vibration by Means of Barriers or Soil Improvement along a Railway Track, Soil Dynamics and Earthquake Engineering, 25(7): 701-716

Evaluation of Fatigue Strength of Fillet Welded Connections with respect to Different Post-Weld Treatment Methods Kab-Soo Kyung1,a, Seung-Yong Lee2,b , Sung-Geun Lee3,c, and Kwang-Seok Kim 3,d 1 Division of Civil and Environmental Engineering, Korea Maritime University, Busan 606-791 Korea 2 Department of Civil Engineering, Chungju National University, Chungju 380-702 Korea 3 Daewoo Shipbuilding & Marine Engineering Co.

Research about Relationship of Laser Quenching GCr15 Steel Bending Properties and Hardening Layer Fracture Fractal Dimension Yan Yan1, a, Sheng Lei2, b and Anzhong Liu3, c 1School of Civil Engineering, Anhui Institute of Architecture and Industry, Hefei, Anhui Province 230601, P.R.China 2School of Mechanical engineering, Anhui Institute of Architecture and Industry, Hefei, Anhui Province 230601, P.R.China 3School of Civil Engineering, Anhui Institute of Architecture and Industry, Hefei, Anhui Province 230601, P.R.China aahjgyanyan@163.com, bleish1964@126.com, canzhongliu@126.com Keywords: laser surface hardened layer, bending strength, flexural deflection, fractal dimension Abstract.