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Identification of Nonlinear Structural Parameters under Unmeasured Excitation Ying Lei 1,a,Yan Wu 1,b,Tao Li 1,c 1Department of Civil Engineering, Xiamen University, Xiamen, 361005, China aylei@xmu.edu.cn,bwuyan.1988@163.com,cmmt0901@163.com Keywords: Nonlinear structure; System identification; Kalman estimator; least-squares method Abstract.
In civil engineering field, some progresses for the identification of nonlinear structures have been made, especially for the identification of nonlinear performance in structural members, which is the indicator of the development of structural damage [2,3].
Proceeding of International Symposium on Innovation & Sustainability of Structures in Civil Engineering, 1,59-69
Structural Engineering (ASCE), 131: 6, 956-965

Lee 2,i 1 Department of Civil & Environmental Engineering, Chung-Ang University, Seoul 156-756, Korea 2 Department of Civil Engineering, Chung-Ang University, Seoul 156-756, Korea 3 Conventional Rail Engineering Corps, Korea Railroad Research Inst., Kyunggi-do 437-050, Korea 4 Institute of Technology and Science, Chung-Ang University, Seoul 156-756, Korea 5 JWRI, Osaka University, 11-1 Mihogaoka, Ibaraki, 567-0047, Osaka, Japan 6 School of Mechanical Engineering, Chung-Ang University, Seoul, 156-756, Korea a changkor@cau.ac.kr, bstruc21@wm.cau.ac.kr, cifinder@hanmail.net, dgabchul.jang@gmail.com, e semtong@jwri.osaka-u.ac.jp, feuihong78@nate.com, gshinyoun@cau.ac.kr, h0326kim@cau.ac.kr isenior@naver.com Keywords: weldability, damaged steel bridge, structural rehabilitation, replacement repair welding Abstract.
Chung-Ang University of Korea, Dept. of Civil Eng. (2003) [2] S.H.

Equivalent-beam Theory of the Self-anchored Suspension Bridge Biao Wei1,a , Qingyuan Zeng2,b and Weian Liu3,c 1Postdoctoral Work Station of Civil Engineering, School of Civil Engineering, Central South University, Changsha, China 2School of Civil Engineering, Central South University, Changsha, China 3Department of Structural Engineering, University of California, San Diego, USA aweibiaosss521@163.com, bzengqy99@163.com, cwel007@ucsd.edu Keywords: self-anchored suspension bridge; simplified analysis; deflection theory; elastic theory Abstract.

Comparative Study on Major Damage Index Models Li He1.3, a, Xianguo Ye1.2, b 1School of Civil and Hydraulic Engineering, Hefei University of Technology, Hefei 230009, China 2Anhui Provincial Civil Structural and Material Laboratory, Hefei 230009, China 3Construction Supervision Co., Ltd, Hefei University of Technology, Hefei 230009, China ahfgdhbl@126.com,byexg428@yahoo.com.cn Keywords: Column; Low Cyclic Loading Test; Damage Index Model; Comparative Study.
Although damage has achieved a lot of research results, but it is still in the constant development and improvement, still needs to be a lot of test and actual engineering accumulation.
References [1] G.Y Wang: Practical Methods of Optimun Aseismic Design for Engineering Structures and System (China Architecture and Building Press, Beijing 2000) [2] X.G.
Ye: China Civil Engineering Journal (in Chinese), Vol. 43(2010), No.12, p.1 [4] M.S.L.

Quality Assurance of CIPP Liners According EN ISO 11296-4 Otakar Cigler1, a*, Karel Kubečka2, b and Petr Waldstein3, c 1 VŠB-Technical University of Ostrava, Department of Geotechnics and Underground Engineering, Faculty of Civil Engineering, L. 
Podéště 1875, Ostrava, 708 33, Czech Republic 2 Institute of Technology and Business in České Budějovice, Department of Civil Engineering, Okružní 517/10, České Budějovice, 370 01, Czech Republic 3 VŠB-Technical University of Ostrava, Department of Building Construction, Faculty of Civil Engineering, L. 

Cable-Membrane Structures - Numerical Analysis and Practical Application HUTTNER Milos1, a *, MACA Jiri1,b and FAJMAN Petr1,c 1Department of Mechanics, Czech Technical University in Prague - Faculty of Civil Engineering, Thakurova 7; 166 29, Prague 6, Czech Republic amilos.huttner@fsv.cvut.cz, bmaca@fsv.cvut.cz, cfajman@fsv.cvut.cz Keywords: cable, membrane, dynamic relaxation, form-finding, static analysis Abstract.
Day, An Introduction to Dynamic Relaxation, The engineer (1965) 218-221
Fajman, The efficiency of dynamic relaxation methods in static analysis of cable structures, Advances in Engineering Software 89 (2015) 28-35
Topping, (Eds.), Proceedings of The Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing, Civil-Comp Press, Stirlingshire, UK, Paper 245, 2015

The study on BFRP binding force of secondary compression tests of concrete short columns Weihua Ma Department of Civil Engineering,Tangshan College,Tangshan, Hebei 063000,China Mwh99@163.com Keywords: BFRP; constraints; the secondary force; peak stress; peak strain Abstract: This article has test researched on the BFRP constraint compression of the concrete short columns secondary stress axial compression , got C20, C25 reinforced concrete specimens of stress-strain curve test, studies show that strengthened specimens of strength and deformation of the increased significantly, and the degree of improve related with the size of initial stress.
Introduction The use of FRP (Fiber Reinforced Polymer, referred to FRP) sheets on the concrete surface covered paste wrapped reinforcement of engineering structures has become a common practice.
The world earthquake engineering,2010,26 （2）: 130-135.
Compressive strength of FRP confined in rectangular columns[A].Proceeding of the International conference on FRP composite in civil engineering[C],Hong Kong,2001, 335-344 [6] Wu Gang, Zhi-tao Lv.
China Civil Engineering Journal, 2005, 38(12): 32-37.

Research on Dynamic Rheological Parameters and Rheological Model of Soft Soil Hua Hu a, Mengyun ZHU b Department of Civil Engineering of Xia Men University , Xia Men a xmhuh@xmu.edu.cn, b mengyunzhujs@163.com Keywords: Dynamic Rheological Parameters, Rheological Model, Soft soil; Dynamic loading.
Introduction Most of civil engineering such as industry and civil architecture, road and bridge, hydroelectric engineering, flood control dams are constructed on soft rock-soil foundation or highland, exterior dynamic loading such as earthquake, tsunami, raging billow, flood erosion, various vibration made by human activities accelerate the rheological behavior of soft rock-soil and induce Geo-technical Engineering disasters such as foundation settlement and slippage, engineering incline and crack, destabilization and collapse, more easy to trigger serious cataclysm of geological environment such as landslide, debris flow, slide of embankment, ground subsidence(Wu Shuren,2004).It is obvious that the geological disasters are frequent in our country, the damage is the most serious, it bring tremendous economic losing to the national basic construction and people's life safety, and the position is still austerity.
The dynamic rheological model of soft rock-soil under dynamic loading is built, and it settle foundation for the study on the law of large displacement flow deforming for bursting out Geotechnical Engineering and geologic disaster, accelerating rheological dynamic equation, critical mechanics condition for rheological collapse, and dynamic key index of bursting out disaster.
Chinese Journal of rock mechanics and Engineering, 2004, Res, 23(8), 1242 -1246

Thomas2,b 1PG Scholar, Dept. of Civil Engineering, TKM College of Engineering, Kollam, Kerala, India 2Associate Professor, Dept. of Civil Engineering, TKM College of Engineering, Kollam, Kerala, India aniveathomas93@gmail.com, banuthomastkmce@gmail.com Keywords: Statistical regression; Modelling; Relationship; Validation.
Bashir, Prediction Model for Construction Cost and Duration in Jordan, Jordan Journal of Civil Engineering, 2008, 2, pp. 250-266
Sweis, Statistical Analysis on the Cost and Duration of Public Building Projects, Journal of Management in Engineering, 2010, 26, pp. 105-112
[4] Hwang S., Dynamic Regression Models for Prediction of Construction costs, Journal of Construction Engineering and Management, 2009, 135, pp. 360-367

It has become an important research area of civil engineering structures since the partial collapse of the Ronan Point apartment building in 1968, and attracts many practicing engineers and academic researchers.
[3] United States Army Corps of Engineers.
US Army Corps of Engineers, Washington DC; 1999
Zheng and H.GAO: Journal of Architecture and Civil Engineering. 2007 [In Chinese]
Washington (DC): US Army Corps of Engineering. 31. 2002