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They are widely used in civil engineering applications and frequently subjected to fatigue loading.

Barbora Hruba1,c 1 VSB- Technical University of Ostrava, Faculty of Civil Engineering, Ludvika Podeste 1875/17, 708 33 Ostrava- Poruba, Czech Republic a lucie.kucerova@vsb.cz, b marcela.cernikova@vsb.cz, c barbora.hruba@vsb.cz Keywords: Wooden house, timber building, heat transfer coefficient.

Dynamic Modeling on Smart Flexible Beam with Large Overall Planar Motion Juan Zhang 1, a, Yafeng Shu 2,b and Bin Bai 3,c 1,2,3,School of Mechanics and Civil.& Architecture, Northwestern Polytechnical University, Xi’an,China,710072; aZhangj@nwpu.edu.cn, bshuyafeng19890305@163.com, c baibin@nwpu.edu.cn Keywords: Dynamic Modeling, Flexible Beam, Finite Element Method, Piezoelectric Actuator Abstract.
Journal of Vibration Engineering.2004,17(1):112~115(in Chinese) [5] Zhong Y.

The applied research of time-frequency analysis method employed in seismic signal processing Zuoju Wu1,a, Zhijia Wang1,b,Junwei Bi3,c School of Civil Engineering, Southwest Jiaotong University, Chengdu, Sichuan, 610031, China a 706805410@qq.com, b344963551@qq.com, c1186054378@qq.com Keywords: time-frequency characteristics; instantaneous frequency; Hilbert transform; Huang transform; seismic oscillation natural attributes Abstract.

Introduction Plates resting on elastic foundation can be found in various engineering fields, such as civil constructions and bases of machines.

In 2011, Linhe industrial output value reached 14.4 billion, and the new precision machine engineering high-end CNC machine tool industry innovation.
References [1] China Civil Aviation Administration official website.

Mathematical simulation of Ranque-Hilsch vortex tube heat and power performances. 14th International conference on computing in civil and building engineering (14th ICCCBE).

Influence of fly ash on the properties of magnesium oxychloride cement Yujie Jin 1, a, Liguang Xiao 1,b and Feng Luo1,c 1Jilin Institute of Architecture and Civil Engineering, Changchun, China, a785401050@qq.com, bxiaolg627@Sohu.com, c 285799031@qq.com Keywords: magnesium oxychloride cement; Fly ash; water-repellency; Strength Abstract.

Research on Central Air Conditioning System of Intelligent Buildings Xuejing Sun School of Civil and Environmental Engineering, Jilin JianZhu University Metro Street, Changchun City, Jilin Province, China 130118 sunxuejing2002@sina.com Keywords: Intelligent building; Central conditioning system; LCD screen; PID parameter; Abstract.

Determination of tensile creep and stress relaxation of concrete by ring test Sichen Li1,2,a, Ting Yao1,2, b ,Yujiang Wang1,2, c, Hua Li1, 2,d, Jun Cheng1,2, e, Lei Li 1, 2,f , Qian Tian1,2,g 1 State Key Laboratory of High Performance Civil Engineering Materials, Jiangsu Research Institute of Building Science, Nanjing, Jiangsu, China 2Jiangsu Sobute New Materials Co., Ltd., Nanjing, Jiangsu, China alisichen@cnjsjk.com, byaoting@cnjsjk.cn,cwangyujiang@cnjsjk.cn,dlihua@cnjsjk.com, chengjun@cnjsjk.com, flilei@cnjsjk.com, gtianqian@cnjsjk.com Keywords: tensile creep, stress relaxation, shrinkage, ring test Abstract.The understanding of stress relaxation and tensile creep behavior is extremely important in accurate stress analysis and crack prediction of early-age concrete.