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Flexural Capacity Study on Square Tube Filled with Steel Reinforced Concrete Members Tongfeng Zhao 1, a, Hongnan Li 2,b Jiahuan Yu 2,c 1 School of Civil and Hydraulic Engineering, Dalian University of technology, China 2 School of Civil Engineering, Shenyang Jianzhu University, China aztfgty@sohu.com, bli-hong-nan@163.com, cyrudy@sina.com.cn Keywords: Concrete Filled Steel Tube; Bending Member; ABAQUS; Capacity; Computation Formula Abstract.
（a） (b) Fig.1 Shape of section of steel tube filled with steel reinforced concrete In practical engineering, components are often in compression-bending condition, further study the bending behavior of steel reinforced filled with steel tube concrete can provide theoretical basis for its ultimate strength.
(3) The cross steel concrete filled steel tubular flexural capacity formula can provide a reference for the engineering design without repeated calculation.
Engineering Structures, 2004, 26(7): 907915

Measurement of Bridge Fundamental Frequency by Resistance Strain Gauges Shunbo ZHAO 1, a, Jihao CHEN 2,b, Jitao YAO 2,c and Songwei PEI 1,d 1 School of Civil Engineering & Communication, North China Institute of Water Conservancy and Hydroelectric Power, 36 Beihuan road, Zhengzhou, China 2 School of Civil Engineering, Xi'an University of Architecture & Technology, 13 Yanta road, Xi'an, China a sbzhao@ncwu.edu.cn, bjihaochen@vip.qq.com, cyaojitao@163.com, dpsw@ncwu.edu.cn Keywords: bridge, fundamental frequency, resistance strain gauge, real-time test, strain spectrum, fast Fourier transformation.
The bridge is one of the precast prestressed concrete hollow plate bridges widened in the reorganization and expansion engineering of the Lian-Huo expressway.
Jin: Test for Engineering Structure (Yellow River Conservancy Publications, China 2001)
Lu: Engineering Experimental Mechanics (Mechanical Industry Publications, 2005)

C. 2 National Center for Research on Earthquake Engineering, 200, Sec.3, Xinhai Rd, Taipei, 10668, Taiwan, R.
C. 3 Chung Yuan Christian University, Department of Civil Engineering, 200, Chung Pei Rd, Chung Li, 32023, Taiwan, R.
C. 4 National Taipei University of Technology, Department of Civil Engineering & Disaster Prevention Engineering, 1, Sec.3, Zhongxiao E.
In Fig. 1, the test system of the center-point flexure test is developed in National Center for Research on Earthquake Engineering (NCREE).

Study on Disk Spring Two-Storey Rolling Isolator Jieying Sui1, a, Wengfeng Liu2,b and Yangyang Zhang3,c 1 School of Civil Engineering, Qingdao Technological University, Qingdao266033,Shandong, China 2 School of Civil Engineering, Qingdao Technological University, Qingdao266033,Shandong, China 3 Guangzhou institute of technology,guangzhou 87693663, China asuijieying@sina.com, blwfqdlg@263.net, czhyy810627@163.com Keywords: two-storey rolling isolator; disk spring; time history analysis; MATLAB Abstract.
Earthquake resistant engineering and etrofitting,Vol.2(2009), p43-48.In Chinese
Proceedings of the severteenth national conference on structural engineering, Vol.3(2008), p161-164 .In Chinese
Material engineering, vol.3(2006),p60-64.

Numerical evaluation of the active earth pressure acting on rigid retaining walls Feng Shi-lun1,2, a, Li Jun2,b and Li Pu-lin2,c 1 Institute of Civil Engineering, Tianjin University, Tianjin 300072, China 2 Tianjin Institute of Geotechnical Investigation and Surveying, Tianjin 300191, China ashilunfeng@126.com, blijun411198@163.com, clipulin101@163.com Keywords: active earth pressures; the finite element; sand Abstract.
Introduction Active earth pressures evaluation play an important role in geotechnical engineering.
This may be due to the fact that the Rankine method and its formulation are very simple, and that the method is the most known and widely accepted by practicing engineers.
Journal of Geotechnical Engineering [J].
Proc Inst Civil Eng Geotech Eng [J]. 2002;155(2):119–31

Design on Elevate Mechanism of Large-scale Multi-stage Direct-acting Hydraulic Hoist LUO Jing 1, a, LIU Xuechun 2,b 1School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo 454003 2 Dongguan Huanan Junye Machinery Manufacturing Co.
It is indispensable transport equipment in civil engineering, large bridge engineering and underground construction etc.
Supported by Henan province mechanical engineering first-class key discipline of Henan polytechnic university.
Author Introduction: LUO Jing, (1967－), female, Chongqing, professor, engaged in teaching and research on mechanical design and theory and hydraulic transmission References [1] WANG Xiling: New construction machinery and its application, (China Environmental Science Press, Beijing 1997) [2] YU Qihao: Homemade Construction hoist in the future development, Beijing:Journal of Beijing Institute of Civil Engineering and Architecture, Vol.21,No.4(2005) [3] WANG Dan-dan, YU Zhe: The application of new type bidirectional pipe explosion-proof valve for lose pressure protection of hydraulic system, Hydraulics & pneumatics, 10( 2011)

Shape Optimization Study of Mild Steel Slit Dampers Yanhong Xu1,a, Aiqun Li1,b, Xingde Zhou2,c, Peng Sun1 1 School of Civil Engineering ,South-East University , Nanjing ,China 2School of Civil Engineering ,Hohai University , Nanjing ,China a xuyanh1224@163.com, baiqunli@seu.edu.cn, cxingdezhou@hhu.edu.cn Keywords: shape optimization; steel slit dampers; mild steel; parabolic shape Abstract.
References [1] UANG Chia-ming, NAKASHIMA Masaoshi, The Practice and Research Development of Buckling-Restrained Braced Frames(Ⅰ),Progress in Steel Building Structures, Vol.7(2005),p.1 [2] M.Tehranizadeh，Passive energy dissipation device for typical steel frame building in Iran, Engineering Structures, Vol.23(2001) ,p.643 [3] LiGang　LiHongnan ,Study on vibration reduction of structure with a new type of mild metallic dampers, Journal of Vibration and Shock, Vol.25(2006),p.66 [4] Akira Wada1,Yi-Hua Huang and Mamoru Iwata，Passive damping technology for buildings in Japan， Prog.
Chan, Faris Albermani，Experimental study of steel slit damper for passive energy dissipation，Engineering Structures, Vol.30 (2008) ,p.1058 [6] Akihiro KUNISUE, Norihide KOSHIKA, Yasushi KUROKAWA, Norio SUZUKI, Jun AGAMI And Mitsuo SAKAMOTO，Retrofitting method of existing reinforced concrete buildings using elasto-plastic steel dampers[A],12WCEE(2000) [7] ]Kazem Ghabraie, Ricky Chan, Xiaodong Huang, Yi Min Xie，Shape optimization of metallic yielding devices for passive mitigation of seismic energy，Engineering Structures, Vol.32(2010), p. 2258.

Study on the Performance of Buckling-restrained Brace with Low Yield Strength Steel Yanhong XU 1, a, Aiqun LI 1,b ,Yana HUANG1,c 1 School of Civil Engineering,South-East University,Nanjing,China a xuyanh1224@163.com, b aiqunli@seu.edu.cn, c echonana@163.com Keywords: buckling-restrained brace, low yield strength steel, ductility, static cyclic test, hysteretic.
Structural Engineers.
Canadian Journal of Civil Engineering, Vol. 28(2001), p.823 [5] WEN Dong-hui,SONG Feng-ming,LI Zi-ganm.
Journal of Hebei Univeisity of Engineering.
Vol.39(2009),p.29(in Chinese) [8] Zhang Cong-jun,LiAi-qun,Zhao Fu-lin， Earthquake Resistant Engineering and Retrofittin.

Project Logistics Risk Evaluation Based on Matter-element Analysis Ti Song 1,2,a, Lian-yu Wei 1,b , Cai-li Zhang 1,2,cand Pei Chen 1,2 1 College of Civil Engineering, Hebei University of Technology, Tianjin, China300401； 2 Civil Engineering Technology Research Center of Hebei Province, Tianjin,China a songti76@163.com, bg_yli@163.coml, czhangcailimeng@163.com Keywords: project logistics, risk, matter- element, entropy Abstract.
Risk analyse of project logistics based on fuzzy comprehensive evaluation.Logistics engineering and management 2009(3) P44-46 [2] Su Tao-yong,WANG Ning, Lei Xing-hui,Peng Lu-bin.Evaluation of Finished Vehicle Logistics Service Capability Based on Ideal Fuzzy Matter-element with Synthetic Weight.Industrial Engineering and Management 2011(4) P34-39 [3HUANG Shun-quan, ZHAO Da-wei.
JOURNAL OF WUT ( INFORMATION & MANAGEMENT ENGINEERING ) .2010 (5) P P858-860 [5] Chunyan Yang Tsai Wen.

3-D Numerical Analysis on Performance of Prestressed and Precast Concrete Segment Joint Fengjun Liu1, a, Lei Xie1, b, Hehua Zhu2, c, Ning Yu3, d 1 School of Urban Planning and Civil Engineering, Henan University of Science and Technology, Henan Luoyang, 471003, China 2 Department of Geotechnical Engineering, School of Civil Engineering, Tingyi University, Shanghai, 200092, China 3 Shanghai Shentong Metro Group Co.
Overcoming the disadvantages of common concrete as well as being used as an assembling method, the prestressed concrete is widely used in engineering structures.
Zhu: Chinese Journal of Underground Space and Engineering.