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Shanghai Haizhu Architecture Design and Engineering Co.
Under such circumstances, Chinese civil buildings consumed 2-3 times energy than developed countries in achieving the same indoor thermal comfort at the same climatic conditions.

The response of the bi-directional beam string structure under vertical seismic considering supporting frame Xiang-rong Chen 1, a, Jin-bo Liu 2,b and Wen-qing Wang 3,c 1,2,3 College of Civil Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China acxr90@126.com, bliujinbo123159@sina.com Keywords: Bidirectional beam string; time-procedure analysis; Dynamic response; Collaborative work.

Effect of Light Reflectance of External Surfaces on Daylight Factor Lenka Gábrová1, a 1Brno University of Technology, Faculty of Civil Engineering, Institute of Building Structures, Veveří 331/95, 602 00 Brno, Czech Republic agabrova.l@fce.vutbr.cz (corresponding author) Keywords: Light Reflectance, Vertical Daylight Factor, Continuous Shading Obstacle.

Stress Distribution Form and Function Representation of Four Free Edges Square Basal Bottom Slab Touching Foundation Aimin Li1,a, Huahu Cheng1,b and Mojia Huang1,c 1Institute of Engineering Mechanics, Nanchang University, Nanchang, Jiangxi, 330031, China aliaimin@ncu.edu.cn, bchenghuahu775858@163.com, cmojiahuang@hotmail.com Keywords: square basal bottom slab, contact stress, width height ratio, numerical simulation, fitting Abstract. this article constructed the stress distribution’s function expression of four free edges square basal bottom slab touching foundation respectively from the two aspects of symmetric and anti-symmetric load, placed the foundation on the surface of the sandy soil, do numerical simulation to the contact stress between foundation slab and foundation through the large scale finite element analysis software ANSYS, and fitting by adopting the contact stress function proposed in this article.
(In Chinese) [5] The People’s Republic of China Ministry of Construction: Building Foundation Design Code (China Building Industry Publications, Beijing 2002) (In Chinese) [6] Guoti Wang, Xiaojun Hu, Hengfang Pan: China Civil Enginering Journal.

Finite Element Simulation Analysis on Residual Stress Relief of 7075 Aluminum Alloy Ring Shaofeng Wu1,a, Xiangsheng Gao1,b*, Xianrang Zhang1,c and Hanjun Gao2,d 1Beijing Key Laboratory of Advanced Manufacturing Technology, Faculty of Materials and Manufacturing, Beijing University of Technology, Chaoyang District, Beijing, 100124, China 2State Key Laboratory of Virtual Reality Technology and Systems, School of Mechanical Engineering and Automation, Beihang University, Haidian District, Beijing, 100191, China adsimile543@163.com, bgaoxsh@bjut.edu.cn, c18839108965@163.com, dhjgao@buaa.edu.cn Keywords: residual stress, thermal-vibratory stress relief (TVSR), FEM, stress relaxation, natural frequency.
Acknowledgments This work is supported by Civil Aerospace Technology Preresearch Project (B109) and CALT Foundation of China (CALT2020-TS09).

Lee 3,c 1 Dept. of Civil Engineering, Dongseo University, Pusan 617-716, Korea 2 Dept. of Environmental System, Inje University, Gimhae, Gyungnam 621-749, Korea 3 Dept. of Environmantal Research, Korea Institute of Construction Technology, Goyang, Gyeonggido 411-712, Korea a bookim@dongseo.ac.kr, b envphj@inje.ac.kr, c byungaaa@kict.re.kr Keywords: up-flow filtration, storm water runoff, porous polypropylene material, particle size distribution Abstract.

Introduction Zinc metal is used in a wide range of applications by various industries, e.g. as a construction material for roofs and facades in structural and civil engineering or as a sacrificial coating to protect iron and steel products from environmental corrosion attack in the steel producing and processing industry, especially the automotive industry.

Study on Stressed Performance of the Transfer Truss After Deviation of Diagonal Web Member Feng-wu Li 1, a, Yun-lei Fan 1, b, Da-chuan Chen 1 and Yin-sheng Zou 1 1 Key Laboratory of Building Safety and Energy Efficiency, Ministry of Education, College of Civil Engineering, Hunan University, Changsha, 410082, China a fwli@163.com, b fanyunlei@163.com Keywords: Vierendeel truss; Transfer story; Diagonal web member; Deviation; Stress; High-rise building; Concrete structure Abstract: Based on the analysis of internal force and stress of the truss after diagonal web member deviated in vierendeel truss type transfer story in a tall building, influence on the truss after diagonal web member deviated and suggestion of reinforcement are introduced.

Stress corrosion of high performance hybrid fibers reinforced expansive concrete exposed to magnesium sulfate solution YANG Liming 1,a, YU Hongfa 1,b, and MA Haiyan1,c 1 Department of Civil Engineering, Nanjing University of Aeronautics and Astronautics, P.O.BOX 271, Nanjing, 210016, China a email:luemingyang@163.com, bemail:yuhongfa@nuaa.edu.cn, cemail:mahaiyan@nuaa.edu.cn Key words: high performance hybrid fibers reinforced expansive concrete; sulfate attack; flexural load; stress corrosion Abstract: Deterioration of fly ash concrete (FAC), high performance concrete (HPC), and high performance hybrid fibers reinforced expansive concrete (HPHFREC) subjected to combined action of flexural load and 5% magnesium sulfate solution is investigated.

Preparation and characterization of polyimide/BaTiO3 nanocomposite films with lower infrared emissivity Baoping Lin 1,a Hongjian Liu 1,a Yueming Sun 1,b Chunwei Yuan 2,c 1 Department of Chemistry and Chemical Engineering, Southeast University, Nanjing 210096, China 2 Key Laboratory of Molecular and Biomolecular Electronics of Ministry of Education, Nanjing 210096, China a lbp@seu.edu.cn, bsun@seu.edu.cn, ccwy@seu.edu.cn Keywords: Polyimide, BaTiO3, nanocomposite, Nanostructure, Thin film Abstract.
Organic/inorganic composite films with low infrared emissivity present an attractive attention whether in civil or in military applications such as camouflaging military equipments or vehicles from infrared detection and the like[4,5].