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Prediction of Hard Brittle Geological Disasters in Metal Mine from Microseismic Monitoring SC.Xu1,2,a, BR.Chen3,b and CY.Jin4,c 1School of architecture and Civil Engineering, Shenyang University, Shenyang, Liaoning 110044, China 2Key Laboratory of Liaoning Province for environmental geotechnical engineering, Shenyang, Liaoning 110044, China 3 State Key Laboratory of Geo-mechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, Hubei 430071, China 4Research Center for Safe Deep Mining, Northeastern University, Shenyang, Liaoning 110044, China axusuchao@163.coml, bchenbingrui@163.com, cjcy@163.com Keywords: prediction, hard brittle, geological disaster, microseismic monitoring.
Introduction It is generally acknowledged that the geological hazard of hard brittle failure is a key problem in mining engineering especially for the back stoping process in metal mines.
Chinese Journal of Rock Mechanics and Engineering. 2009. 28: 741-749

Numerical Study of Stiffened Steel Plate Shear Wall with Opening under Horizontal and Vertical Loads Zongjing Li 1,a, Ganping Shu1,b 1School of Civil Engineering, Southeast University, SiPaiLou 2, Nanjing 210096, China alzjcivil@163.com, bsgp0818@vip.sina.com Keywords: Hysteretic performance, Steel Plate Shear Wall, Horizontal and vertical loading Abstract.
Matsui: Journal of Structural Engineering, Vol. 129(2003), p. 586-595
Wang, et al.: Journal of Earthquake Engineering and Engineering Vibration, Vol. 29(2009), p. 79-85.
Astaneh-Asl: Journal of Structural Engineering, Vol. 130(2004), p. 271-284

Damage Identification of Space Truss Structure Based on Strain Modal and wavelet Transform Weiran Liu1,a,Qilian Li1,b and Hongliang Yue1,c 1 School of Civil Engineering, Hebei University of Science and Technology, Shijiazhuang Hebei 050018,China a26547806@qq.com, blql6599@163.com,cyuehongliang2000@163.com Keywords: space truss structure; damage identification; wavelet transform; strain modal Abstract.
Introduction Structural damage detection is an active research domain in current structure engineering.
Element modal strain energy of the truss can be expressed by the following eq(1): (1) Where and are represented as undamaged and damagedelement modal strain energy of mode , and are represented as undamaged and damagedelement mode strain ,is theelement cross-sectional area, its length, andits modulus of elasticity Based on the theory of modal strain energy, the method of damage identification with modal index is element modal strain energy change as follows eq(2) (2) In this paper, propose a damage detection index based on the square difference in elemental modal strain can be written as eq(3): (3) The Theory of the wavelet analysis Wavelets function and transformation are becoming increasingly important for scientists and engineers in damage detection field.
Journal of Engineering Mechanics, 2002, 128(5): 521-529
Journal of Engineering Mechanics, 2000, 126(7): 677-683

Experimental Study on the Flexural Property of GFRP I-beam Zheng Jinyang1,2,a, Zhang Guangyou1,b, Chen Yunhe1, Li Shizhen1 1 Engineering Institute of Engineering Corps, PLA Univ. of Sci. & Tech., Haifu Lane 1, Nanjing, Jiangsu province, 210007, China 2Logistics Department, Area Command of Fujian province, Tongpan Road 478, Fuzhou, Fujian province, 350003, China azjy6805543@sohu.com, bzhangguangyou2006@126.com Keywords: GFRP I-beam; flexural property; deflection; failture mode Abstract.
The research results may boost the engineering application of pultruded GFRP I-beams.
The cross-section of GFRP I-beams should be optimization designed to improve the load-carrying efficiency of compression area and tension area. 4.The inferior interlaminar shear intensity of GFRP materials may be the immediate cause of structure failure. 5.Although GFRP is an excellent engineering material and is used in various aspects.
Materials in Civil Engineering 4 (2009)315-324

School of Civil Engineering and Architecture, Northeast Dianli University, Jilin 132012, P.R.China a.191253692@qq.com Keywords: tension stringing; dynamic tension; bearing cable of ground wire Abstract: In this paper, the use of overhead ground wires as tension line of bearing cable .Using ANSYS and ADAMAS software ，To establish the dynamic model of power transmission line tension stringing，Considering the force of tension stringing process overhead bearing cable of ground wire.
Fig.3 The mechanical model of one concrete load Fig.4 The mechanical model of two concrete load According to "High Voltage Transmission Line Power Engineering Design Manual", while wire level span is l, overhead ground wire sag calculation according to the formula: Overhead ground wire horizontal tension Considering the operator compared with hanging point A or B is constantly changing, wire line is constantly changing.
References [1] Wei Zhou Jianjun, Yi a modeling way rope substances in ADAMS software[J] Modern manufacturing engineering, 2004 (5) 38-39 [2] ANDREW,SEEffrient modeling of extensible cables and pulley system in Adams[c] In Europe Adams conference London 2002 1-10 [3] Desheng Wang, Dewen Kong, Keli Zhao mining excavator rope modeling method in MC Adams [J] computer aided engineering, 200315 (13) 364-366 [4] Zhigang Yuan hid iron just based on tight wire series modeling platform ADAMS [J]Mechanical Engineers research 2007 (10) 82-84 [5] Minjie Jin Huawei Liu Pei Pei Zhenhua Feng ADAMS macro program based on the mine hoist rope Modeling Research of mining machinery 2011. 12 39

Optimal Design of SRC Transfer Beam of High-rise Building Bin Lianga, Zhaoliang Zhangb and Rong Lic College of Civil Engineering, Henan University of Science and Technology, Luoyang 471003, China aliangbin4231@163.com, bzzljack@126.com, clirongxb@163.com Keyword: SRC; transfer beam; shear wall; optimal design.
Optimization Examples and Discussion The tall building is in Xinxiang, which includes 2 towers and 24 floors devised by mechanical engineering department fourth design institute.
Judging from the optimized sectional dimension, the results comply with the specifications of structure design well and can be used for engineering practice.
As can be seen from the optimal results, concerning the specific features of engineering application, the optimized steel can be save 30%, with high economic benefit.
Wei, Selection of finite element model in the analysis of beam transfer story, Engineering Mechanics, 14 ( 1997) 23-27

Design Optimization and Modal Analysis of 3-D Lattice Plate TVRDA Katarina1,a* and STIGLIC Martin1,b 1Slovak University of Technology in Bratislava, Faculty of Civil Engineering, Department of Structural Mechanics, Radlinskeho 11, SK-813 68 Bratislava, Slovakia akatarina.tvrda@stuba.sk, bmartin.stiglic@stuba.sk Keywords: design, optimization, modal analysis, method, ANSYS software Abstract.
Introduction Finite element method is a method that can be used to a wide range of engineering problems.
It can be applied efficiently to a wide range of engineering problems.
The optimization can be useful to get an overview about parameters which indicates what can be reduced, modified or eliminated from the structure but the final decision is on engineer to assess whether it is suitable.
Structural Engineering and Mechanics, 2011, vol. 38, iss. 2, p. 171-193

Mixed-mode I/II Crack Extension in Thin Sheet Metal Yongping Shaoa, Bangcheng Yangb, Chun Ranc and Jing Lvd Faculty of Civil and Architectural Engineering，Kunming University of Science and Technology，Kunming，650224，China a121867026@qq.com, byangbc5@163.com, c545995069@qq.com, d 691151498@qq.com Keywords: thin sheet metal，mixed-mode crack，critical CTOA，digital image correlation Abstract.
References [1] Jianxiong LIU, Bangcheng YANG, Ziliang LI, et al: Journal of Mechanical Engineering, 47(12) (2011), p. 48-55 (in Chinese) [2] L.
Reynolds, Bangcheng Yang and Robert Taylor: Engineering Fracture Mechanics, 70 (2003), p. 2215-2234 [4] Li-jun Shi, Bang-cheng Yang, Rong-xin Guo: Science Technology and Engineering, (8) (2007), p. 1551~1554 (in Chinese) [5] J-H Yan, MA Sutton, X Deng, C-S Cheng.
Narasimhan: Engineering Fracture Mechanics, 62(1999), p. 511-534

Failure Analysis of Automotive Differential Based on the Fault Tree Pan Yawei1, a,Yu Quanyu2, b,Wang Fei3, c 1School of Mechanical & Automotive Engineering, Anhui Polytechnic University, Wuhu ,241000, China 2School of Mechanical & Automotive Engineering, Anhui Polytechnic University, Wuhu ,241000, China 3School of Mechanical & Automotive Engineering, Anhui Polytechnic University, Wuhu ,241000, China aemail: pyw199009@sina.com, bemail:yqy@ahpu.edu.cn, cemail:wyf252258951@163.com Keyword: Reliability, Fault Tree Analysis, Differential, Qualitative analysis Abstract.
Proceedings of the Institution of Mechanical Engineers, 2004
Canadian Journal of Civil Engineering, vol. 37, pp. 897-906, 2010[7]

Study on Shape Memory Alloy Plate with Circular Hole under Biaxial Uneven Tension Bo ZHOUa, Xukun LI, Gangling HOU College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China azhoubo@hrbeu.edu.cn Keywords: Shape memory alloy, circular hole, biaxial uneven tension, stress field equation.
The stress distribution in a plate with discontinuity is a classical and important problem both for fundamental mechanics and in practical engineering.
The authors would like to thank them and Harbin Engineering University.
Yoon: Key Engineering Materials, Vol. 324-325 (2006), p.335 [7] L.C.