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However, few basic researches on variable cross-sectional CFST laced column have been carried out, and corresponding calculation method has not found in existing design codes of CFST structure to this day, though this type of hybrid column are widely used in engineering fields.
Applied Mechanics and Materials,Vols.405-408(2013),p.1602 [2] Technical Specification for Concrete Filled Steel Tubular Arch Bridge (DBJ/T13-136-2011) [3] Ou Zhijing,Chen Baochun.China Civil Engineering Journal,Vol.45(2012),Jul,p.1(in Chinese) [4] Linhai Han.

Crowd Disaster Risk Identification in Large Sport Venues Lidi Huang 1, 2, a, Jiaojiao Jia1, b 1 College of Civil and Architecture Engineering, Northeast Petroleum University, Daqing, Heilongjing, 163318, China 2School of Architecture, Harbin Institute of Technology, Harbin, Heilongjing, 150001, China ahuangld@yeah.net, brain_0403@126.com Keywords: crowd risk, sport venues, grandstand, standed-crowd, risk identification Abstract.
(in Chinese) [3] Huang Lidi, Liu Deming: Mathematical Problems in Engineering (2013), Article ID 64791, 7 pages. http://dx.doi.org/10.1155/2013/364791 [4] Ye Maosheng, Xin Qinxian: Safety.

Application of Topological Modeling in Studying Rheology and Morphology of Polymers TROFIMOVA Larysa1,a 1Odessa State Academy of Civil Engineering and Architecture, Didrihsona Street, 4, 65029, Odessa, Ukraine alara.reverberator119@gmail.com Keywords: liquid crystalline polymers, structure formation, rheological curves, evolution of morphology, morphogenesis, topological approach, synergetics, catastrophe theory, models «fold», «cusp» and «ruffle».
[8] L.Trofimova, Modeling and optimization of technology and physics-mechanical properties of composite materials, Key Engineering Materials. 864 (2020) 59-65

Inside and Outside Earth Pressure Research of Steel Sheet Pile Cofferdam Baolin Xiong a, Jinsong Tang b, Wei Chen c School of Civil Engineering, Shijiazhuang Tiedao University, Shijiazhuang 050043, China a xiongbao77@163.com, b tangjssjz@163.com, c wchen2000@163.com Key words: steel sheet pile; cofferdam; inside earth pressure; outside earth pressure; monitoring Abstract: As the cofferdam makes the water flow change, the river bed near the cofferdam has been washed; soil pressure on the cofferdam will be changed.
In-situ test of the anchored steel sheet pile dock wall[J].Chinese Journal of Geotechnical Engineering, 2003, 34(3): 317–322

Effect of Composition of Cementitious Materials on Alkalinity of Pore Solution and Strength of Cement Paste Xiaolu YUAN 1, a, Shihua ZHOU 2, b, Dongmei LIU 1, c 1College of Civil Engineering and Architecture, Three Gorges University, Yichang 443002, China 2Changjiang River Scientific Research Institute, Wuhan 430010, China aEmail: yuanxiaolu1980@yahoo.com.cn, bEmail: zhoushihua11@yahoo.com.cn, cEmail: liudongmei926@sohu.com Key Words: cementitious materials, alkalinity, MICP, mineral admixtures Abstract: Alkalinity of the surroundings is the basis to study the MICP technology.
Ecological Engineering, 2010, 36: 118-136

., Prosecka 76, 190 00 Prague, Czech Republic 2Faculty of Civil Engineering, Department of Mechanics of the Czech Technical University in Prague, Thákurova 7/2077, 166 29 Prague 6 Dejvice, Czech Republic aminster@itam.cas.cz, bvlastimil.kralik@fsv.cvut.cz, cjiri.nemecek@fsv.cvut.cz Keywords: microindentation, time-temperature superposition, viscoelastic compliance Abstract.
Micka, Numerical simulation of an indentation process for defining the viscoelastic characteristics of time-dependent materials, J. of Materials Science and Engineering B 2 (Jan 2012) 81-89.

Architecture Planning of Wetland Landscape Sun Ying, Gao Guang Lin College of Civil Engineering and Urban Construction, Jiujiang University 332005, China jxsunying@yeah.net Keywords: Construction, Landscape Architecture, Architectural Planning, Landscape Planning Abstract.
Brown: Ecological Engineering, Vol.10 (1998), p.131-158 [3] I.

A Kind of Integrated Model for Panorama, Terrain and 3D Data Based on GML Shuai LIU1, a, Lingli ZHAO1 and Junsheng LI 1 School of Engineering, Honghe University, Mengzi, P.R.China, 661100 aliushuai_csu@126.com Keywords: Integrated model; Panorama; Terrain data; GML Abstract.
Urban Ontologies for an improved communication in urban civil engineering projects.

HRTEM Analysis of Aging Electrolytic Low-Ti Al Alloy Wenyan Wang 1,2,a , Jingpei Xie 1,2,a, Wei Li 2,a, Zhongxia Liu 1,a 1 School of Physics Science and Engineering, Key Laboratory of Material Physics, Ministry of Education, Zhengzhou University, Zhengzhou 450052, China 2 School of Mat.
Introduction 6000 series aluminum alloys have been widely used in many fields such as automobile, electronics, aerospace, transportation and civil constructions for their good combination of strength and plastics, excellent comprehensive properties, and special baking hardening effect[1].
Materials Science and Engineering, vol.280 (2000), p.37 [2] Zhen L, Kang S B ,Kim H W.

Mechanical Behavior Analysis of the Unbonded Prestressed Concrete Slabs with Openings Strengthened by Different Methods Xia Cao1,a, Lingzhi Jin1,b, Qiang Fu1,c, Hongmei Zhou2, Yaqiong Liu1, Lijiang Lan3 1College of civil engineering, Guilin University of Technology, Guilin, P R China, 541004 2Liuzhou Ouweimu Machinery Company, Limted, Liuzhou, P R China, 545005 3Bowen school of management, Guilin University of Technology, Guilin, P R China, 541004 acaoxia_6510@163.com, bjlz-5904@163.com, c0331fuqiang@163.com Keywords: Unbonded Prestressed Concrete; Slabs with Opening; Strengthening Method; Bearing Capacity Abstract: Based on the contrast experiments of unbonded prestressed concrete slabs with openings subjected to uniform load strengthened by different methods, this paper investigates and analyzes the appearance and the development of cracks, deflections, bearing capacity of the unbonded prestressed concrete slabs that are with strengthening steel and with hidden beams.
Acknowledgements Thanks for the support of Natural science foundation item of Guangxi autonomous region (No.0832255) and Engineering inspection and key Laboratory item of Guangxi autonomous region (No.07109005-16).