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Behaviors of Polyurethane Filled Double Skin Steel Tubular Members Zhenyuan HANG1,a, Xufeng MI1,b 1School of Civil Engineering and Architecture, Jiangsu University of Science and Technology, Zhenjiang 212003, China ahzy1414@126.com, bmixf@163.com Keywords: nonlinear finite element; hoop coefficient; slenderness ratio; properties; work processes Abstract.
With the development of materials, the polyurethane as a new kind of high–performance material with its superior mechanical properties is widely used in marine engineering, ocean engineering and civil engineering.
The inner of PFDSST members are hollow, which are convenient to set up all kinds of equipments and pipelines, so this kind member can be applied in each kind of ocean platform structure as well as the civil engineering structure.
[3] Kennedy D.J.L, Ferro A, Dorton R.A in: Tentative Design Rules for Innovative B ridge Deck s Comprising Sandwich Plate System Panels, edited by The Innovations in Bridge Engineering, Calgary, Canada(2005)

Properties Of Concrete With Different Percentange Of The Rice Husk Ash (RHA) As Partial Cement Replacement Mustaqqim Abdul Rahim1 a,Norlia Mohamad Ibrahim1 b, Zulliza Idris1 c Zuhayr Md Ghazaly1 d ,Shahiron Shahidan2 e,Nur Liza Rahim1 f, Liyana Ahmad Sofri1 g, Nur Fitriah Isa1 h 1Civil Engineering Department, School of Environmental Engineering, Universiti Malaysia Perlis, 02600 Arau, Perlis, Malaysia. 2Faculty of Civil and Environmental Engineering, Universiti Tun Hussein Onn, 86400, Batu Pahat, Johor, Malaysia.
Acknowledgement The author wishes to acknowledge the support from Department of Civil Engineering, School of Environmental Engineering, University Malaysia Perlis.
ASIAN JOURNAL OF CIVIL ENGINEERING (BUILDING AND HOUSING) VOL. 12, NO. 2 (2011) PAGES 205-217

Bulletin of Odessa State Academy of Civil Engineering and Architecture. 79 (2020) 70–77
Proceedings of 2012 International Conference on Biobase Material Science and Engineering. (2012) 108-111
Bulletin of the Odesa State Academy of Civil Engineering and Architecture. 77 (2019) 126–134
Key Engineering Materials. 808 (2019) 172–176
Bulletin of the Odesa State Academy of Civil Engineering and Architecture. 73 (2018) 64–72

Numerical Simulation of Pressure Grouting in Soil Nail Pull-out Tests Li-jun SU 1,2,a, Jian-hua YIN 2,b, Shan-yong WANG3 and Hong-jian LIAO4,c 1 School of Civil Engineering, Xi'an University of Architecture and Technology, 13 Yanta Road, Xi'an, Shaanxi, 710055, China 2 Department of Civil and Structural Engineering, the Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China 3 Department of Building and Construction, City University of Hong Kong, Hong Kong China 4 Department of Civil Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, China a sulijun76@hotmail.com, bcejhyin@inet.polyu.edu.hk, chjliao@xjtu.edu.cn Keywords: soil nailing, pull-out shear resistance, finite element, parametric study.
The simulated results are consistent with measured results in both laboratory pull-out tests and engineering practice.
Doctoral thesis, Department of Geotechnical Engineering, Chalmers University of Technology, Sweden (1998)
Soft Soil Engineering (2001), p.413-418

Validation of Micromechanical Model for Prediction of ITZ Thickness of High-Strength Concrete Containing Secondary Cementitious Materials Petr Bílý1,a, Václav Nežerka2,b, Vladimír Hrbek2,c and Josef Fládr1,d 1Department of Concrete and Masonry Structures, Faculty of Civil Engineering, Czech Technical University in Prague, Thákurova 7, 16629 Prague, Czech Republic 2Department of Mechanics, Faculty of Civil Engineering, Czech Technical University in Prague, Thákurova 7, 16629 Prague, Czech Republic apetr.bily@fsv.cvut.cz, bvaclav.nezerka@fsv.cvut.cz, cvladimir.hrbek@fsv.cvut.cz, djosef.fladr@fsv.cvut.cz Keywords: ITZ thickness, high-strength concrete, micromechanical model, secondary cementitious material Abstract.
Rivard: Influence of supplementary cementitious materials on engineering properties of high strength concrete.
Hrbek: The effect of cement replacement and homogenization procedure on mechanical properties of high-performance concrete Magazine of Civil Engineering 8/84 (2018)
Šejnoha: Mori-Tanaka based estimates of effective thermal conductivity of various engineering materials.
Material Science and Engineering A 430 (2006), pp. 189–202

Combining Data Mining Technique and Group Method of Data Handling (GMDH) Method to Assess Flexible Pavement Conditions Hui-Mi Hsu1,a, Sao-Jeng Chao1,b and Jia-Ruey Chang2,c 1Department of Civil Engineering, National Ilan University, No. 1, Sec. 1, Shen-Lung Road, I-Lan, 260, Taiwan 2Department of Leisure Management & Department of Civil Engineering and Environmental Informatics, MingHsin University of Science & Technology, No. 1, Hsin-Hsing Road, Hsin-Chu, 304, Taiwan ahmhsu@niu.edu.tw, bchao@niu.edu.tw, cjrchang@must.edu.tw Key words: Flexible pavement, Pavement distress survey, Pavement condition index (PCI), Data mining, Find dependencies (FD), Group method of data handling (GMDH) Abstract.
The PCI was developed by the Construction Engineering Research Laboratory of the U.S.
Army Corps of Engineers [6].
Typically, this procedure requires a team of at least two engineers.
Jeng: Self-organizing polynomial neural network for modelling complex hydrological processes, Research Report No R861, Department of Civil Engineering, The University of Sydney, Australia (2005)

Introduction Slope protection with vegetation means that we grow plants only or combine plants with civil engineering materials to improve the soil slope geological conditions by the hydrological effect of vegetation and mechanics effect of root system.
[2] Jiahuan Qian and Zongze Yin: The principle and calculation of Civil Engineering (China WaterPower Press, Beijing 1996), in Chinese
Kayihan: Computers and Chemical Engineering Vol. 22(1998), p. 945–960
Bakshi: American Institute of Chemical Engineers Journal Vol. 44(1998), p. 1596–1610
Bagajewitz: Industrial & Engineering Chemistry Research Vol. 38(1999), p. 2005–2012

Design and Construction of the Support Structure of Deep Foundation Pit for a Cement Plant in SR Vietnam Dingtang Wang School of Civil Engineering, Anhui University of Architecture, Hefei, China wdt88@163.com Keywords: Deep Foundation Pit, Support Structure, Design and Construction, Shotcrete-bolt, Rotary Jet Grouting Curtain, Bored Pile.
Table 1 Engineering property index for every geotechnical layers Layer No.
It shows that the adopted support structure system is safe and reliable and can meet the engineering requirements
Acknowledgements The writer would like to acknowledge the support of Hefei Cement Research and Design Institute and Hanoi University of Mining – Geology, which funded the research and provided many useful data, and the Test Centre for Civil Engineering at Anhui University of Architecture, which provided the writer with the best research environment.
References [1] Hanoi University of Mining and Geology, SR Vietnam: Report of Engineering Geological Investigation. (2010) [2] Ministry of Construction, SR Vietnam, Vietnamese Standard: High-Rise Building – Guide for Geotechnical investigation, TCXDVN194 - 2006 [3] Xiaonan Gong: Practice Cases for Foundation Pit Work Vol. 1 (2008), “In Chinese”, p.109 [4] Kerui Cui, Youtian Mao: Practice Manual for Geotechnical Engineer, Chemical Industry Press, Beijing (2007), “In Chinese”, p.530 [5] Minghua Zhao: Soil Mechanics and Foundation Engineering, Wuhan University of Technology, Hubei (2006), “In Chinese”, p.289 [6] Ministry of Construction, PR of China, Chinese Standard: Specifications for Bolt-Shotcrere Support, GB 50086-2001, “In Chinese”

Analysis on the Optimization of ANSYS Frame Structure Ruifang Wang 1, a , Yongquan Li2,b 1 Department of Civil Engineering of Urban Construction College, Wuhan University of Science and Technology, Wuhan 430070, P.R.
China 2 College of Civil Engineering and Architecture Henan University of Technology Zhengzhou , 450052, P.R.China a865140840@qq.com , bliyongquan7197213@126.com Key words: ANSYS; finite element; frame structure; optimization design Abstract.This paper introduces the ANSYS optimization design principles and proposes the specific operation steps of it.
In addition, it proved the feasibility of ANSYS in analysing structure optimization, which provided a new approach to the optimization analysis on the complicated structures.Optimization design has come to be an important research in the field of designing theory and practice,which is increasingly valued by scientists and engineers in structure design.

Three-dimensional Layout Design of Steel-concrete Composite Structures using Topology Optimization Yangjun Luo1, a, Xiaoxiang Wu1 and Alex Li2 1School of Mechanics, Civil Engineering & Architecture, Northwestern Polytechnical University, Xi’an 710072, China 2Laboratoire de Génie Civil, GRESPI, Université de Reims Champagne-Ardenne, Reims 51687, France ayangjunluo@nwpu.edu.cn Keywords: Topology optimization; Composite structure; SIMP approach; Adjoint variable method.
International Journal for Numerical Methods in Engineering. 24 (1987) 359-373
Computer Methods in Applied Mechanics and Engineering. 89 (1991) 309-336.