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College of Civil Engineering, Fuzhou University, Fuzhou 350108, P.R.China; 2.
College of Architecture Engineering, Beijing University of Technology, Beijing 100022, P.R.China 3.
Earthquake Engineering and Structural Dynamics, (4), 25-48. (1975) [3] A.
Engineering Structures.22, 1433-1452. (2000) [7] Shervin Maleki, P.E: Seismic Modeling of Skewed Bridges with Elastomeric Bearings and Side Retainers．Journal of Bridge Engineering. 10(4), 442-449. (2000) [8] M.
Journal of Earthquake Engineering, 5(2), 205-223. (2001) [11] James M.

Introduction The high strength steels are relatively new materials that are increasingly used, in both civil and military engineering.
Lazić, Instruction for welding the high strength steels, Hardox 500, Faculty of Mechanical Engineering, Kragujevac, 2008 (In Serbian) [2] D.
Djordjević, Estimates of technological-metallurgical weldability of high strength steels, The Specialist Engineer Thesis, Faculty of Mechanical Engineering, Kragujevac, 2010 (In Serbian) [3] V.
Pkalski, Structure and hardness changes in welded joints of Hardox steels, Archives of Civil and Mechanical Engineering 8(4) (2008) 15-27
Bokůvka, Structure and mechanical properties of fine-grained steels, Periodica Polytechnica Transportation Engineering 41(2) (2013) 111-115

Structural Engineering and Mechanics, (2016)
Key engineering materials, 723 (2017) 795–800
Soil Dynamics and Earthquake Engineering, 39 (2012) 113–127
Procedia Engineering, 117 (2015) 419–430
Key Engineering Materials. 952 (2023) 121-129.

Research of the Best Combination of Cooling Parameters in High Temperature Work Deep Stope Yi Zhang 1,2, a, Dongming Guo 1,2, b, Qiaoyun Han 1,2, c 1State Key Laboratory for Geomechanics and Deep Underground Engineering, Beijing, 100083, China 2School of Mechanics, Architecture and Civil Engineering, China University of Mining and Technology(Beijing), 100083, China a songshu770209@126.com, b wjgdm@163.com, c lyxc43@163.com Key words: Deep stope, Cooling parameters, Numerical simulation, Cooling effect, Heat damage Abstract.
When designing cooling engineering in deep stope, the three parameters, air temperature, air velocity and distance between cooling air and work place, are three key factors to determine cooling effect.
It provides a wider choice of reasonable parameters for 7446 work face cooling engineering.
In this paper, further research is conducted on air velocity, air temperature and the distance between air inlet and work face on the basis of the above by taking 7446 work face cooling engineering in Jiahe Coal Mine as an example in order to find out the best combinations of parameters, to achieve the purpose of lowering the temperature of work face while reducing operating costs, saving energy and extending the service life of cooling equipments.
According to the above, The system’s best cooling work conditions are listed in Table 4, which can serve as the reasonable basis for parameter design for 7446 work face cooling engineering.

Designing Search and Rescue Robots towards Realistic User Requirements DOROFTEI Daniela1,a *, MATOS Anibal2,b and DE CUBBER Geert1,c 1Royal Military Academy, Department of Mechanics, Unmanned Vehicle Centre, Avenue de la Renaissance 30, 1000 Brussels, Belgium 2University of Porto, Faculty of Engineering, Ocean Systems Group, Rua Dr.
Roberto Frias 4200-465 Porto, Portugal a *daniela.doroftei@rma.ac.be, banibal@fe.up.pt, cgeert.de.cubber@rma.ac.be Keywords: Robot mechanical design, user / system requirements engineering, search and rescue Abstract.
Ourevitch, Operational RPAS scenarios envisaged for search & rescue by the EU FP7 ICARUS project, Remotely Piloted Aircraft Systems for Civil Operations (RPAS2012), December 4-5, 2012 [9] Available on http://www.fp7-icarus.eu/icarus-presented-forum-do-mar-2012-presentations [10] Information on http://www.insarag.org/en/global-structures/team-leaders.html [11] S.

Analysis of Cement Hydration Monitoring Using Embedded and External Ultrasonic Transducers Qian Qian Zhong1,a, Lei Qin*,1,b, Shi Feng Huang2,c and Xin Cheng2,d 1School of Civil Engineering and Architecture, University of Jinan, Jinan 250022 China 2Shandong Provincial Key Laboratory of Construction Materials Preparation and Measurement, University of Jinan, Jinan 250022 China azhqian0929@163.com, bcea_qinl@ujn.edu.cn, cmse_huangsf@ujn.edu.cn, dchengxin@ujn.edu.cn * correspondence author Keywords: Ultrasonic transducers; Hydration monitoring; Amplitude; Frequency spectrum Abstract.

Experimental Research on Mechanical Properties of Sandwich Wall Panels with Bamboo Shear Connection Meng Wang1, a 1Department of Civil Engineering, Shandong University, China ameng.sdu@gmail.com Keywords: Sandwich Wall Panel, Bamboo Shear Connection, Cracking Load, Ultimate Bending Strength Abstract.

Study on the Treatment of Domestic Sewage with Water Quenched Slag Biological Aerated Filter Yanzhen Yu1,a *, Yan Feng1,b and Lei Cheng1,c 1School of Civil Engineering and Architecture, University of Jinan, Jinan 250022, China acea_yuyz@ujn.edu.cn, bcea_fengy@ujn.edu.cn, cchengleifly@126.com, *corresponding author Keywords: blast furnace water quenched slag; biological aerated filter; domestic sewage; removal Abstract.

Numerical Simulation Study on Heat Pipe Cooling System of Proton Exchange Membrane Fuel Cell Shimei Sun 1.a, Liqiu Zheng2.b 1 Jilin Institute of Architecture and Civil Engineering, Changchun, 130118, China 2China Northeast Central Design & Research Institute of Municipal EngineeringChang Chun China a sunshir@163.com, bzhengliqiu@163.com Keywords: Heat Pipe, Fuel Cell, Lumped Parameter Mathematical Model , Cooling system .

Synthesis, structure and catalytic activity of TiO2/ La2Zr2O7 nanocomposites TONG Yupinga, ZHAO Yuqingb, HUO Hongyuanc, Yang Huid School of Civil Engineering And Communication, North China Institute of Water Conservancy and Hydroelectric Power, Zhengzhou 450011, China aemail: njtong007@yahoo.com.cn, bemail: zhaoyuqing@ncwu.edu.cn, cemail: huohongyuan@ncwu.edu.cn, cemail: yanghui@ncwu.edu.cn Keywords: TiO2/La2Zr2O7 nanocomposites; sol-gel method; photocatalytic property.