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The Initial Stress Effect on Seismic Performance of Frame Structure Feile Liu 1, a, Chaohe chen2, b * 1College of Civil Engineering & Architecture, Hainan University, Haikou 570228, PR China 2College of civil engineering & transportation, South China University of Technology, Guangzhou 510006，PR China a feifeige20@163.com, b chenchaohe@scut.edu.cn * Corresponding author Keywords: Frame structure, Seismic performance, Initial stress.
Causal factors of earthquake disaster is caused by the common factor, thus for seismic appraisal and reinforcement of buildings is a hot spot of current engineering.

Construction Research on The Green Hydropower of Houziyan Hydropower Station Shengguang Wu1, a,Mingtao Zhou*1, b,Feng Chen1, c,Huan Hu1, d (1College of Civil Engineering & Architecture, Three Gorges University, Yichang, Hubei, China ; awushguang@qq.com; b.
Therefore, the problem of vegetation is also an important evaluation index for the project. 1.3 Evaluation index system According to the principles above mentioned, when dealing with the problem of characteristic, it should also solve some common problems which include engineering design, operations management and ecological restoration and so on.
Geological survey Control of geohazards The protection of species The protection of vegetation non-government institution government Certificate Authority Water authorities Environmental authorities Civil authorities Geological authorities Resettlement The protection of human resources Evaluation of operations management Evaluation of the construction Feed back Supervise Fig.2 Certificate authority Conclusions With the development of society, the conflict between energy demand and environment protection becomes more and more serious, and the sustainable development becomes the only way.
Preliminary study on the index system and assessment method of green hydropower[J].Journal of Hydroelectric Engineering,2011,(3)803-810

Analysis of the influence of geometrical thermal bridges and their elimination by using a composite material based on secondary raw materials Libor Matějka1, a, Libor Matějka2,b and Jan Pěnčík3,c 1,2,3Brno University of Technology, Faculty of Civil Engineering, Institute of Civil Engineering, Veveri 331/95, 602 00 Brno, Czech Republic amatejka.l1@fce.vutbr.cz, bmatejka.l@fce.vutbr.cz, cpencik.j@fce.vutbr.cz Keywords: Insulation, thermal bridge, recycled material, energy saving.
To perform thermal engineering analysis was proposed theoretical model of low-energy building.

Used by engineers, topographers, surveyors and other professionals, RTK is a technique employed in applications where precision is paramount.
RTK is used, not only as a precision positioning instrument, but also as a core for navigation systems or automatic machine guidance, in applications such as civil engineering and dredging.
[4] QIN Shiwei, GU Chuan, PAN Guorong, "Research on accuracy test methods of RTK-GPS dynamic positioning", Journal of Geodesy and Geodynamics, 2008, 28(5) , pp. 65-67 [5] LU Qing, "Application of the GPS on Gantry Tire Container Crane", Port Operation, 2001, (1), pp. 10-11 [6] QIU Yangyuan, "Study and application on coorinates transform for Shanghai VRS grid", Civil Engineering of Tongji University, 2008

Study on Interface Slips in Concrete Filled Square Steel Tubular Column Bin Liang1, a, Fanshen Meng2,b, Rui Mao1,c 1College of Planning and Architectural Engineering, Henan University of Science and Technology, Luoyang, Henan, 471003, China 2Department of Civil Engineering, Luoyang Institute of Science and Technology, Luoyang, Henan, 471023, China aliangbin4231@163.com, bmfs4287811@126.com, cmm0250102@163.com Keywords: concrete filled square steel tubular column, interface slips, elastic theory, principle of minimum potential energy.
Civil Engineering .

Study on Displacement Ductility Coefficient of Steel Reinforced High-strength Concrete Column Shan-suo Zheng1,a, Huan-juan Lou1,b, Xiao-fei Wang 1,c, and Zhi-qiang Li 1,d 1School of Civil Engineering, Xi'an University of Architecture and Technology, Xi’an, Shanxi, China azhengshansuo@263.net, blouhuanjuan1987@163.com, cwangxiaofei870102@163.com dzhiqiangli2023@163.com Key words: steel reinforced high-strength concrete column (SRHSC column), multivariate nonlinear regression, displacement ductility coefficient, SPSS Abstract.
(in Chinese) [2] Jun-huan Li,Jian-yang Xue and Hong-tie Zhao: World Earthquake Engineering, Vol. 20 (2004), p.94-99.
(in Chinese) [4] Zhao-yuan Chen .Journal of Civil Engineering.

Experimental study on the anti-cracking performance for high viscoelastic asphalt sand with SCB Yazhen Sun1, a, Zhaoyang Xin2, b, Jinchang Wang 3, c Gangbing Wu4, c 1Shenyang Jianzhu University, 110168, Shenyang, China 2School of Civil Eng.
Shenyang Jianzhu University, 110168, Shenyang, China 3Institute of Transportation Engineering, Zhejiang University, 310058, Hangzhou, China 4Research and Teaching Labs for Civil and Hydraulic Engineering, Zhejiang University, Hangzhou 310058, China asyz16888@126.com,bxinzhaoyang123@126.com,cwjc501@zju.edu.cn (Corresponding Author),dxye_wu@163.com Keywords:The test of semicircular flexural-tensile; High viscoelastic asphalt sand; The maximum load; Fracture energy; Anti-cracking performance Abstract.
(3) In real engineering, many controlling parameters are considered to evaluate anti-cracking performance of high visco asphalt sand.

Experimental Testing Procedures Series of laboratory Civil Engineering testing programs routinely used to measure Geotechnical properties were conducted on the soil materials.
PhD Thesis, (2018) Free State, South Africa: Department of Civil Engineering and Information Technology Central University of Technology
US: American Society of Civil Engineering (ASCE)
Civil Engineer and Architecture, Vol. 9, No. 5, pp. 1640-1658, 2021.
Civil Infrast.

Computational Simulation for Static and Dynamic Load of Rectangular Plate in Elastic Region for Analysis of Impact Resilient Structure Harijono Djojodihardjo1,a, Hamed Jamali2,b, Alireza Shokrani3,c, Faizal Mustapha4,d, Rizal Zahari5,e, Surjatin Wiriadidjaja6,f 1,2,3,4,5,6Department of Aerospace Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 UPM Serdang, Malaysia aharijono@djojodihardjo.com, bhajamali.62@gmail.com, dfaizal@eng.upm.edu.my, erizal@eng.upm.edu.my, fsurjatin@eng.up.edu.my Keywords: finite element analysis, impact analysis, modal analysis, Navier’s method, plate theories, Ritz method Abstract.
Impact resilient structures are of great interest in many engineering applications varying from civil, land vehicle, aircraft and space structures, to mention a few examples.
Introduction The fundamental problem of impact of a relatively rigid body of small size to a solid elastic surface will be reviewed and studied analytically, to gain in-depth understanding on some critical effects to the structure, which is a relevant problem in a large host of engineering applications.
Flat plate is a generic structural element, which in many applications, such as satellite, aircraft, civil and marine structures, to cite some examples, represent a key component that can be subject to extreme loading and determined the structural health of an engineering system.
C.L., Rajyalakshmi M. and Inala R., Static analysis of an isotropic rectangular plate using finite element analysis (FEA), Journal of Mechanical Engineering Research Vol. 4(4), pp. 148-162, April 2012 , http://www.academicjournals.org/jmer [6] Ventsel, Eduard and Krauthammer, Theodor, Thin Plates and Shells - Theory, Analysis, and Applications, Marcel Dekker, Inc.

Study on Concrete Filled Square Steel Tube under Lateral Impact Loading Liang Zhenga, Zhihua Chenb School of Civil Engineering, Tianjin University, Tianjin, 300072, China azl_5403@126.com, bzhchen@tju.edu.cn Keywords: Lateral Impact; Concrete Filled Steel Tube; Dynamic Response Abstract.
So the CFRT (concrete filled steel tube) have been more and more widely used in industrial and civil buildings, large bridges and underground structures and other important fields of engineering in recent years.
During the use of civil buildings, the CFRT do not escaped the impact of various external, so it is very important to study the impact destruction of the structure.
[2] Li Zhu: Engineering Mechanics, 21(4):34―38 (2004)
[3] Li Zhu: Protection Association of China Civil Engineering Society, (2004).