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Finite Element Analysis of the Influence of Weld Size on the Combined Connection with Bolts and Welds Ma Jian-suo 1, a, Bai Run-shan 1, Li Min-feng 1,b, Wang Yuan-qing 2, Wang Lei 2, Shi Yong-jiu 2 1 Hebei Institute of Architecture and Civil Engineering, Zhang Jiakou, 075024, China 2 Key Laboratory of Civil Engineering Safety and Durability of China Education Ministry, Department of Civil Engineering, Tsinghua University, Beijing , 100084,China ahbjdmjs@126.com, bmjs001@sohu.com Keywords: combined connection; weld length; weld height; joint performance.
In practical engineering, because of limited joint size, only welds’ performence can increase bolts number or load.
Therefore, the performance and design of joint connection acts as a very important part in the steel structure engineering.
During the entire testing process, we received assistance from the Tsinghua University Structural Engineering Laboratory, so say thanks too.

Influence of Source Distance on the Characteristics of AE Signal from Cement-based Materials Yuqing Liu1,a, Weilun Wang2,b, Lei Qin1,c, Shifeng Huang3,d, and Xin Cheng3,e 1School of Civil Engineering and Architecture, University of Jinan, Jinan, Shandong, 250022, China 2 Shenzhen Durability Center for Civil Engineering, Shenzhen University, Shenzhen, Guangdong, 518060, China 3School of Material Science and Engineering, University of Jinan, Jinan, Shandong, 250022, China ayuenaqingjie@126.com, bwang_weilun@hotmail.com, ccea_qinl@ujn.edu.cn,dmse_huangsf@ujn.edu.cn, echengxin@ujn.edu.cn Keywords: Acoustic Emission, Cement-based Material, Source Distance, Characteristic Abstract.
Acknowledgements This work were financially supported by the National Natural Science Foundation (51072069), Project (SZDCCE 10-13) supported by Shenzhen Durability Center for Civil Engineering and Shandong Natural Science Foundation of Shandong Province (2010BS04016) .

Current situation of research on CFST and SRC Baidong Zhao1, a, Peichao Chen2, b 1Architecture and Civil Engineering College of Shenyang University, China 2Architecture and Civil Engineering College of Shenyang University, China azhaobaidong@163.com, b491918895@qq.com Keywords: CFST; SRC; earthquake; Fire resistance; horizontal displacement; rotation Abstract.
Providing experience for the future engineering research.
At present, the Steel Reinforced Concrete (abbreviation is SRC) column and Concrete Filled Steel Tube (abbreviation is CFST) column is the common combination column in engineering design.

,Ltd, Beihang University, Beijing, China 2School of Computer Science and Engineering, Beihang University, Beijing, China 3School of Aeronautic Science and Engineering, Beihang University, Beijing, China aliutp@buaa.edu.cn, bzmm021@126.com, cwangyanyang@buaa.edu.cn Keywords: artificial intelligence; Bayesian networks; causal analysis networks; tag-based search algorithm Abstract.
A typical application example of a causal BN is a human factor analysis of civil aviation incidents.
In such an analysis, the goals are to determine the impact of human factors in civil incidents, and to generate the precise impact degree.
“Human error analysis of mid-air collision of Brazil civil aviation,” Proc., Int.
Journal of Traffic and Transportation Engineering, pp.96-100, 2008 [10] Zhang Huiying, Ning Yuan, “Reasoning and Analysis of Bayesian Network in Machine Learning,” Modern Machinery, Vol 2,2012

Influence of Pit Excavation Supported by Soil-nailing Wall on Adjacent Buried Pipelines Shuhe Wanga, Zheng Zhengb, Zaigen Mu and Jubing Zhang School of Civil and Environmental Engineering, Department of Civil Engineering, University of Science and Technology Beijing, Beijing 100083, China awangshuhe2001@163.com, bzhengz1989@163.com Keywords: soil-nailing wall; foundation pit excavation; finite element; buried pipeline Abstract.
Underground pipelines affected by pit excavation are a practical problem often encountered in city foundation engineering.
References [1] Dayong Li, Aizhong Lv, Qinjun Zhen: Chinese Journal of Rock Mechanics and Engineering Vol. 23 (2004)NO.4, p. 682-687, (In Chinese)
[2] Jinglong Du, Min Yang: Chinese Journal of Rock Mechanics and Engineering Vol. 28(2009)Supp.1, p. 3015-3020, ( In Chinese)
[4] Linhai Wan, Jianmin Yu, Cuihong Feng: Chinese Journal of Rock Mechanics and Engineering Vol. 23 (2004)NO.19, p. 3342-3347,(In Chinese)

Crack Resistance of Connections of Cross Shaped Steel Encased Ultra High-strength Concrete Column to RC Beam under Cycle Loads YAN Changwang1, 2,a, JIA Jinqing2,b and ZHANG Ju 1, c 1 Inner Mongolia University of Technology, Huhhot 010062, China 2 School of Civil and Hydraulic Engineering, Dalian University of Technology, Dalian 116024, China a ycw20031013@126.com, b ycw20031013@hotmail.com, c ycw970741@126.com Keywords: cross shaped steel; ultra high-strength concrete; crack resistance capacity; Calculation methods.
The research results indicated that parameters of CSSEUHSC column to RC beam connection with better crack resistance performance may be referred for engineering application.
Acknowledgements The research reported in the paper is a part of the Project 50878037 supported by National Natural Science Foundation of China, Project LP1015 supported by Open Foundation of State Key Laboratory of Coastal and Offshore Engineering and Project 20100471445 supported by China Postdoctoral Science Foundation.
Engineering Structures, Vol.18 (1996). p.850 [2] J.
Journal of Shenyang Architecture and Civil Engineering University, Vol.19(2003). p.178 [4] C.

Nonlinear Amplification of Seismic Ground Motion by Twin Cavities Jianwen Lianga, and Mingliang Liub Department of Civil Engineering, Tianjin University, Tianjin 300072, China aliang@tju.edu.cn, bliu.mingliang@126.com Keywords: seismic response, twin cavities, soil nonlinearity, FLUSH.
Lee, Earthquake Engineering and Engineering Vibration, 2 (2003) 289
Lee, China Civil Engineering Journal, Vol.38 2 (2005) 106
Liu, Journal of Earthquake Engineering and Engineering Vibration, Vol.31 2 (2011) 31
Ba, China Civil Engineering Journal, Vol.45 S1 (2012) 152

Simulation analysis of secondary-load RC square columns strengthened with IFRP Liang Xu1, a, Minglong Hu2,b and Junzhi Zhang3,c 1,2,3College of Civil Engineering and Architecture, Zhejiang University of Technology, Chaowang Rd., Xiacheng District, Hangzhou, Zhejiang Province, China alianghsu@126.com, b8388minglong@163.com, cjzzhang@zjut.edu.cn Key words: IFRP; secondary load; reinforced concrete square column; simulation Abstract: Considering secondary load, simulate the axial compression process of reinforced concrete square columns strengthened with igneous rock fiber reinforced polymer with Abaqus.
Earthquake Engineering and Engineering Vibration, in Chinese, 2004, Vol. 4(1), p. 97-104
Feng．China Civil Engineering Journal, in Chinese,2006，Vol.39(3), p. 24-36
Engineering Structures, Vol.40(2012), p. 529-535
Chen, in: The application of ABAQUS in civil engineering, in Chinese, edited by Zhejiang University Press, Hangzhou, Zhejiang(2006), in press.

Cyclic test of steel plate shear wall designed by PFI method Fereshteh Emami1,a and Massood Mofid2,b 1,2Department of civil engineering, Sharif University of Technology, Tehran, Iran asf_emami@yahoo.com, bmofid@sharif.edu Keywords: steel shear wall, shear strength, ductility, postbuckling, hysteretic behavior Abstract.
Montgomery: Analysis of Steel Plate Shear Walls, Structural Engineering Report No. 107, Department of Civil Engineering, Universtiy of Alberta, Edmonton, Alberta, Canada, 1983
Kulak: Experimental Study of Steel Plate Shear Walls, Structural Engineering Report No.114, Department of Civil Engineering, University of Alberta, Edmonton, Alberta, Canada, 1983
Journal of Structural Engineering, ASCE 2005

Discussion on the accuracy of approximate spring-dashpot artificial boundary in fluid-saturated porous media Zihui Wang 1,a, Yanmei Gai 1,b and Chenggang Zhao2,c 1 Department of Civil Engineering, Yantai University, Yantai, China 2Department of Civil Engineering, Beijing Jiaotong University, Beijing, China awzh9306@sohu.com, bgaiyanmeinnx@126.com, czhaochenggang@bjtu.edu.cn Keywords: Fluid-saturated porous media; Spring-dashpot-mass artificial boundary; Accuracy; Transient analysis.
As the analytical solutions of fluid-saturated porous media can only be applicable to a few regular boundaries, many engineering problems are analyzed by numerical methods.
Practical civil engineering problems are usually solved in an infinite half-space domain, and a finite domain such as a rectangular domain is usually selected by cutting artificial boundaries (ABs) and free surfaces in the half-space.