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A method for reconstructing vehicle-vehicle impact accidents based on Pc-Crash Yonggang Zhang1,2,a　Jianmin Xu2,b　Tiefang Zou3　Yu Liu3 1 Department of Security, Guangdong Police College, Guangzhou, 510230, China 2School of Civil Engineering and Transportation,South China University of Technology,Guangzhou Guangdong 510641,China; 3.School of Automotive and Mechanical Engineering,Changsha University of Science and Technology Changsha Hunan 410114,China aemail:zysteel@163.com, bemail: tiefang@163.com Key words: traffic engineering, accident reconstruction, vehicle-vehicle impact, Pc-Crash, reconstruction Abstract: To reconstruct accident succinctly and scientifically, four steps of vehicle-vehicle impact accident reconstruction based on Pc-Crash were discussed, including accident scene reconstruction, vehicle modeling, accident reconstruction, result analysis and verification.
Acknowledgments This work was partially supported by the Natural Science Foundation of China（Grant No.:51208065）, Scientific Research Program of Hunan Colleges and Universities（12C0017）and Key Laboratory Open Fund of Ministry of Education of Road and Traffic Engineering of Tongji University（201203）.
Automotive Engineering, 2009, 31(1): 14-17

Xu, Primary study on recycled-concrete-segment filled steel tubular members, Earthquake Resistant Engineering and Retrofitting, 30:10 (2008) 120-124 [in Chinese]
Xu, Experimental study on the behavior of recycled-concrete-segment/lump filled steel tubular stub columns subjected to concentrically axial load, China Civil Engineering Journal, 43:2(2010) 32-38 [in Chinese]
Liu, Test of the shear behavior of thin-wall steel tubular columns filled with demolished concrete segments/lumps, China Civil Engineering Journal, 43:9(2010) 12-21 [in Chinese]
Liu, Test on flexural behavior of re inforced concrete beams filled with demolished concrete lump, Earthquake Resistant Engineering and Retrofitting, 32:1(2010) 70-74 [in Chinese]
Behavior of double skin composite wall subjected to in-plane cyclic loading, Journal of Structural Engineering, 135:10(2009) 1239-1249 [8] Q.H.

Influence Experiment for the Spacing Distance of Orifice Plates to Local Resistance Coefficient in the Pressure Delivery Pipeline Li Lin1，a, Jin Sheng2,b, Bai Zhao liang3,c 1．College of Hydraulic and Civil Engineering, Xinjiang Agricultural University, Urumqi 830052,china 2.
College of Computer and Information Engineering, Xinjiang Agricultural University, Urumqi 830052,china. 3.College of Hydraulic and Civil Engineering, Xinjiang Agricultural University, Urumqi 830052,china aemail:lilin_xjau@163.com,bemail: 199560637@qq.com,cemail: 1050353332@qq.com Keywords: Pressure delivery pipeline, Local head loss, Local resistance coefficient, Experimental study Abstract.
Journal of Hydraulic Engineering,2004,2(2):17-20
Engineering and high-speed water discharge
[15] Erwin Fried,Idelchik I E,Flow Resistance:A Design Guide for Engineers[R].1989.

Bo Tan1,a， Rui-hua Yang 2,b, Yan-ting Lai 1,c 1Guilin University of Technology, Guilin, 541004,China 2Shanghai Highway Administration Department,Shanghai 200063,China abbsz2004@163.com, byangruihua@163.com, claiyanting@163.com Keywords: road engineering, asphalt mixture, aggregate, grading, fractal Abstract: The paper presents the fractal dimension formula of distribution of asphalt mixture aggregate diameter by the deducing mass fractal characteristics function.
Acknowledgements This work was financially supported by the Guangxi Geotechnical Mechanics and Engineering Key Laboratories Foundation.
Vol.15(1987), p.218 [2] Sunxia ,Wu ziqin and Huangyun., Principe and Application of Fractal Hefei fromUniversity of Science and Technology of China Press,2003 (In Chinese) [3]Fengrui , Shi Changxu, Liu Zhiguo : Introduction to Material Science,Beijing, from,Chemistry Industry Press,2002.4-6 (In Chinese) [4]Ideal fractal : physical ,from Long Qiyi ,Long Qiwei ,Mu Zaiqin,(1994), p.158-164 [5]Evaluation of topologic and fractal characteristics of concrete[J] from Tangming, Ba Hengjing,Journal of HarbinUniversity of Civil Engineering and Architecture(2002),p.86-89 (In Chinese) [6] Fractal Zeng Wenqu :Theory and Fractal Computer Simulation.

Introduction Due to human beings engineering activities upsurge, excessive pumping of underground water and other tectonizations like earthquakes, the geological hazards of ground fissures appear in many regions across the world, including America, China, Mexico, Australia, and Kenya, Ethiopia in Africa, etc.[1-5].Among these regions, China and America are severely affected by ground fissure hazards, not only causing direct damages to engineering buildings, such as civil buildings, lifeline systems, transportation, agriculture and water facilities, but also leading to a series of environmental problems.
The ground fissure hazards and its control measures draw more and more attention of the geological experts and engineers in China.
Engineering Geology Vol.55(2000),p.267 [4] E.Rojas,J.Arzate,M.Arroyo.
Engineering GeologyVol.65(2002),p.245 [5] Ayalew L., Yamagishi H.
Engineering Geology Vol.75(2004),p.309 [6] J.M.

Transverse Response of Underwater Shield Tunnel to Incident P Waves Hongwei Ma1, a and Wenhua Chen1, b 1School of Civil Engineering, Beijing Jiaotong University, Beijing, 100044, China ahw_ma1984@126.com, bwhchen@bjtu.edu.cn Keywords: earthquake waves, seismic response, Fourier-Bessel series expansion method, underwater shield tunnel Abstract.
Karl: Soil Dynamics and Earthquake Engineering, Vol. 11 (1992), P. 445-456
Earthquake Engineering & Structural Dynamics, Vol. 30 (2001), p. 383-410
[4] Hong Lin, Diankui Liu: Earthquake Engineering and Engineering Vibration, Vol. 22 (2002), p. 9-16 (in Chinese)
[5] Zhigang Chen, Diankui Liu: Earthquake Engineering and Engineering Vibration, Vol. 24 (2004), p. 32-36 (in Chinese)

Preliminary study of sandwich panel with rotational friction hinge device against blast loadings Wensu Chen1,a , and Hong Hao1,b 1 School of Civil and Resource Engineering, The University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia a wensu.chen@uwa.edu.au , b hong.hao@uwa.edu.au Keywords: Blast resistance; Energy absorption; Ls-Dyna; Sandwich panel; Rotational friction hinge device Abstract.
Part III: finite element simulations and overall summary, International Journal of Impact Engineering, 32 (2006) 988-1012
Ye, Energy absorption of double-layer foam cladding for blast alleviation, International Journal of Impact Engineering, 34 (2007) 329-347
Spencer, Supplemental energy dissipation: state-of-the-art and state-of-the-practice, Engineering Structures, 24 (2002) 243-260
Belev, Performance of steel frames with a new friction damper device under earthquake excitation, Engineering Structures, 24 (2002) 365-371

Cardiff School of Engineering, Division of Mechanical Engineering Cardiff University, Queen's Buildings, The Parade, PO Box 925 Cardiff, CF24 0YF Email: Beckp1@cf.ac.uk Key Words: Acoustic Emission Energy, Cracks, and Concrete.
In concrete engineering, AE has been used as both a technique to investigate the structural integrity of concrete structures and as an aid to study the material properties.
"A review of acoustic emission in civil engineering with emphasis on concrete" Journal of Acoustic Emission, Vol. 8, No. 4, (1989), pp 93-98 [2] Drouillard, T.F.
"The history and development of acoustic emission in concrete engineering" Magazine of Concrete Research, 48, No. 177, (1996), pp 321-330 [4] Ohtsu, M., Watanabe, H.
[7] Landis E.N., Baillon L. " Experiment to relate acoustic emission energy to fracture energy of concrete" Journal of Engineering Mechanics. (2002), pp 698-702

Introduction In the design of military and civil protective structures such as armored vehicles, bullet-proof car and blast shelter, metal is still the dominating material.
International Journal of Engineering Sciences, 1978, 16: 793–807
International Journal of Impact Engineering, 2002, 27: 19–35
Engineering Fractures Mechanics, 2005, 72: 1071–1087
International Journal of Impact Engineering, 2003, 28: 413–464

A Comprehensive Fuzzy Method in Seismic Disaster Prediction of Urban Rail Transit Girder Bridges Yongjun NI1,a, Jinxin YAN2,b and Hui JIANG1,c 1 School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China 2 Anhui Transport Consulting & Design Institute Co., Ltd.
Introduction As an important part of the lifeline engineering system, the urban rail transit line, taken as the “Blood Cycling System”, is playing the significant role in urban life.
Simplified Push-over analysis of building structures, Earthquake Engineering and Structural Dynamics, 26:2, 233-249
Earthquake Engineering and Engineering Vibration. 28:1,139-145(in Chinese)
Application of Artificial Neural Network in the Seismic Disaster Prediction of Highway Engineeting, Earthquake Engineering and Engineering Vibration, 16:4,97-103(in Chinese)