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Online since: December 2010
Authors: Gang Xue, Feng Ge Li
Study on the Damage Detection of RC Frame Beams
Based on the Vibration Mode Slope Change Rate
Gang Xue a, Fengge Li b
School of Architecture and Civil Engineering, Inner Mongolia University of Science and Technology, Baotou, 014010, China
axuegang-2008@126.com, blfg0626@sohu.com
Keywords: Frame Beam; Mode Slope Change Rate; Mode Shape; Damage Detection; FEA
Abstract.
Nowadays, the damage detection by the structural dynamic characteristics is given more attention by engineering fields and cademic circles.
The comparison analyses between SAP2000 and test results show the feasibility and engineering applicability of the method.
ENGINEERING MECHANICS.
Journal of Structural Engineering, Vol.128(2002),P87
Nowadays, the damage detection by the structural dynamic characteristics is given more attention by engineering fields and cademic circles.
The comparison analyses between SAP2000 and test results show the feasibility and engineering applicability of the method.
ENGINEERING MECHANICS.
Journal of Structural Engineering, Vol.128(2002),P87
Online since: November 2010
Authors: Wen Gao Tian
Analysis and Control Methods of Side Slope Stability
Tian Wengao
Civil Engineering School, Southwest University of Science and Technology
Mianyang 621010, Sichuan Province, PRC
Keywords: Side slope, Stability Analysis, Anti-slide pile, Reasonable gap
Abstract: This paper makes a comprehensive study of side slope control nearby apartment buildings in a university in Southwest China by investigating its geological condition, making a stability analysis, calculating landslide force, and designing a control project by adopting anti-slide piles plus drainage system, and explores the reasonable pile gap on the basis of anti-sliding stability and security and makes a conclusion.
1.
B: According to Article 4.7.7 of Code for Investigation of Geotechnical Engineering (GB50021–2001): the slope stability factor Fs for newly designed slope is 1.30~1.50 for key projects and 1.15~1.30 for ordinary projects and 1.05~1.15 for secondary projects.
[2] Zhou Jingxing et al, Infrastructre Engineering (2nd ed.)
[4] Sun Jiaqi et Luo Guoyu, Engineering Geology [M] Wuhan, Wuhan Univerisity of Technology Press, 2003(2)
[5] Code for Investigation of Geotechnical Engineering (GB50021–2001): [6] Technical Code for Design of Ground Treatment (GB50007-2002)
B: According to Article 4.7.7 of Code for Investigation of Geotechnical Engineering (GB50021–2001): the slope stability factor Fs for newly designed slope is 1.30~1.50 for key projects and 1.15~1.30 for ordinary projects and 1.05~1.15 for secondary projects.
[2] Zhou Jingxing et al, Infrastructre Engineering (2nd ed.)
[4] Sun Jiaqi et Luo Guoyu, Engineering Geology [M] Wuhan, Wuhan Univerisity of Technology Press, 2003(2)
[5] Code for Investigation of Geotechnical Engineering (GB50021–2001): [6] Technical Code for Design of Ground Treatment (GB50007-2002)
Online since: February 2011
Authors: Mohammad Homayoun Sadr-Lahidjani, Hadi Ghashochi Bargh
Fundamental Frequency Optimization of Laminated Cylindrical
Panels by Elitist-Genetic Algorithm
Mohammad Homayoun Sadr1, a, Hadi Ghashochi Bargh2,b
1,2Aerospace Engineering Department, Centre of Excellence in Computational Aerospace Engineering, Amirkabir University of Technology, Hafez Avenue, Tehran, Iran
a Sadr@aut.ac.ir, b h_bargi2003@yahoo.com
Keywords: Elitist-Genetic algorithm, Cylindrical panels, Optimization, Finite strip
Abstract.
Introduction Thin shells and cylindrical panels which are made of layered composites are widely used in many activities of aerospace, mechanical, civil and marine engineering structures.
It is also clear from those that the structural design engineer who is unaware of the effects of fibre orientations on frequency response could choose a stacking sequence which is far from the optimum.
Ghashochi Bargh: Fundamental frequency optimization of angle-ply laminated plates using Elitist-Genetic algorithm and finite strip method, In: Proceedings of the ASME 2010 10th biennial conference on engineering systems design and analysis, ESDA2010, Istanbul, Turkey, 12-14 July 2010
Introduction Thin shells and cylindrical panels which are made of layered composites are widely used in many activities of aerospace, mechanical, civil and marine engineering structures.
It is also clear from those that the structural design engineer who is unaware of the effects of fibre orientations on frequency response could choose a stacking sequence which is far from the optimum.
Ghashochi Bargh: Fundamental frequency optimization of angle-ply laminated plates using Elitist-Genetic algorithm and finite strip method, In: Proceedings of the ASME 2010 10th biennial conference on engineering systems design and analysis, ESDA2010, Istanbul, Turkey, 12-14 July 2010
Online since: December 2010
Authors: Li Ting Zhang, Hao Zhang
China
2 College of Architecture and Civil Engineering, Zhejiang University of Technology, Hangzhou, 310032, P.R.
There are lots of engineering prediction methods.
Kang: West-China Exploration Engineering, vol.2 (2009) ,In Chinese [2] J.L.
Lu: Wuhan University Engineering, vol.38No1 (2005), p. 117,In Chinese [6] X.
Li: Chinese Journal of Geotechnical Engineering, vol. 4 (2009) ,In Chinese [7] B.
There are lots of engineering prediction methods.
Kang: West-China Exploration Engineering, vol.2 (2009) ,In Chinese [2] J.L.
Lu: Wuhan University Engineering, vol.38No1 (2005), p. 117,In Chinese [6] X.
Li: Chinese Journal of Geotechnical Engineering, vol. 4 (2009) ,In Chinese [7] B.
Online since: December 2010
Authors: Yu Feng Xu
The Clever Use of Neutron-Axis of the Girder in the Stress Measurement of the Large Span PC Cable Stayed Bridge
Yufeng Xu1,2, a
1 School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510640, China
2 State Key Laboratory of Subtropical Building Science, South China University of Technology, Guangzhou 510640, China
a Xuyf@scut.edu.cn
Keywords: Cable-Stayed Bridge; Stress Measurement; Construction Control; Creep
Abstract.
Introduction Nowadays, the cable stayed bridge has been attached more and more importance in the bridge engineering field owing to its unique advantages in economy, structure as well as architectural modeling and so on.
The bridge engineers have set the construction monitoring and control at a high value to ensure to construct safely and smoothly.
Fig.3 The flow chart of the stress solving with cable tension identify the creep coefficient method The Engineering Example The engineering example is an extra large size bridge constructed in process located in the western Guangdong Province.
Introduction Nowadays, the cable stayed bridge has been attached more and more importance in the bridge engineering field owing to its unique advantages in economy, structure as well as architectural modeling and so on.
The bridge engineers have set the construction monitoring and control at a high value to ensure to construct safely and smoothly.
Fig.3 The flow chart of the stress solving with cable tension identify the creep coefficient method The Engineering Example The engineering example is an extra large size bridge constructed in process located in the western Guangdong Province.
Online since: November 2012
Authors: Wei Shen Zhu, Song Yu, Yun Peng Zhang
Research on Seepage Field of Underground Petroleum Storage
Caverns in Fractured Rock Mass
Yunpeng Zhang1, a, Song Yu1,b and Weishen Zhu 2,c
1School of Civil Engineering, Shandong University, Ji’nan, Shandong, 250061, China
2Geotechnical and Structural Engineering Research Center, Shandong University, Ji’nan, Shandong, 250061, China
azyp@sdu.edu.cn, byusong@sdu.edu.cn, czhuw@sdu.edu.cn(corresponding author)
Keywords: Discrete element method, water curtain, seepage field, underground petroleum storage cavern.
Tan: Three-Dimensional Seepage Analysis of Underground LPG Storage with Water Curtain, Chinese J. of Geotechnical Engineering, Vol. 25(3)(2003), p. 331 [4] G.Q.
Liu: Design and Seepage Discharge Analysis of Artificial Water Curtains for Water Sealed Underground Petroleum Storage Caverns in Rock, Chinese Journal of Geotechnical Engineering, Vol. 32(1)(2010), p. 130 [6] J.M.
Guan: Theoretical and Numerical Simulation Study of Underground Gas-Storage Caverns with Water Curtain, Chinese Journal of Rock Mechanics and Engineering, Vol. 20(3)(2001), p. 301
Tan: Three-Dimensional Seepage Analysis of Underground LPG Storage with Water Curtain, Chinese J. of Geotechnical Engineering, Vol. 25(3)(2003), p. 331 [4] G.Q.
Liu: Design and Seepage Discharge Analysis of Artificial Water Curtains for Water Sealed Underground Petroleum Storage Caverns in Rock, Chinese Journal of Geotechnical Engineering, Vol. 32(1)(2010), p. 130 [6] J.M.
Guan: Theoretical and Numerical Simulation Study of Underground Gas-Storage Caverns with Water Curtain, Chinese Journal of Rock Mechanics and Engineering, Vol. 20(3)(2001), p. 301
Online since: November 2012
Authors: Wen Hua Chen, Meng Li, Qi Song
An improved segments of shield tunneling method is suggest to ensure the resist liquefaction method to success.
1 Introduction
The subway engineering is a major infrastructure, cost tremendous.
And in the worse liquefaction area, permanent reinforcement is the most effective method. 4 Conclusions The resist liquefaction method for shield tunnel in this paper is based on engineering project of sheet structure sand, which is useful for the problem of resist liquefaction of metro foundation under the situation that it’s short of the complete system theory and solution around the world, although there’re further research should be done.
[2] Hongwei Ma, Wenhua Chen Analytic solution for seismic responses of large-span diversion tunnel induced by plane seismic waves [J] Journal of Earthquake Engineering and Engineering Vibration, 2011, 12, vol31(6), 1-10
[5] Wenhua Chen, Mi Zhang Evaluation of seismic liquefaction of sandy soils for Guangzhou metro [J] China Civil Engineering Journal, vol39(3), (EI). 2006, 3
And in the worse liquefaction area, permanent reinforcement is the most effective method. 4 Conclusions The resist liquefaction method for shield tunnel in this paper is based on engineering project of sheet structure sand, which is useful for the problem of resist liquefaction of metro foundation under the situation that it’s short of the complete system theory and solution around the world, although there’re further research should be done.
[2] Hongwei Ma, Wenhua Chen Analytic solution for seismic responses of large-span diversion tunnel induced by plane seismic waves [J] Journal of Earthquake Engineering and Engineering Vibration, 2011, 12, vol31(6), 1-10
[5] Wenhua Chen, Mi Zhang Evaluation of seismic liquefaction of sandy soils for Guangzhou metro [J] China Civil Engineering Journal, vol39(3), (EI). 2006, 3
Online since: December 2012
Authors: Ali Reza Daneshmehr, Mostafa Mohammad Abadi, Meisam Soleimani
Large amplitude vibration analysis of composite beams under thermal stresses: closed-form solutions
Ali Reza Daneshmehr1, a, Mostafa Mohammad Abadi1, b, Meisam soleimani1, c
1 School of Mechanical Engineering, College of Engineering, University of Tehran, Tehran, Iran
adaneshmehr@ut.ac.ir, bm.mohammadabadi@ut.ac.ir,cm_soleimani_82@yahoo.com
Keywords: Rayleigh–Ritz method, coupled displacement field, linear and nonlinear frequency, composite beam
Abstract.
Introduction Multilayer composite beams are increasingly used in many engineering structures and a wide variety of application such as tennis racket, aerospace, mechanical specifically automobile engineering structures and civil engineering structures because of their high stiffness and strength.
Introduction Multilayer composite beams are increasingly used in many engineering structures and a wide variety of application such as tennis racket, aerospace, mechanical specifically automobile engineering structures and civil engineering structures because of their high stiffness and strength.
Online since: January 2014
Authors: Chao Qun Xiang, Wen Hua Guo, Jia Wen Zhang
Study on critical speed of high-speed train running on bridge under strong crosswind
Chaoqun Xiang1,a, Wenhua Guo1,b , Jiawen Zhang1,c
1School of Civil Engineering, Central South University, Changsha 410004, P.R.China
axiangcq@qq.com, bwhguo@126.com, c57128498@qq.com
Key words: critical speed; aerodynamic coefficients; overturning stability; crosswind;
Abstract: The train-bridge aerodynamic spatial model was established, and the aerodynamic coefficients of train on bridge were calculated accordingly.
Journal of wind engineering and industrial aerodynamics, 2008, 96:584–610. ,[] R.S.
Journal of wind engineering and industrial aerodynamics, 2004, 92: 535–545. ] measured the aerodynamic force of train in wind tunnel.
Journal of wind engineering and industrial aerodynamics, 2003, 91:209–218. ].
Vehicle Engineering (the third edition).
Journal of wind engineering and industrial aerodynamics, 2008, 96:584–610. ,[] R.S.
Journal of wind engineering and industrial aerodynamics, 2004, 92: 535–545. ] measured the aerodynamic force of train in wind tunnel.
Journal of wind engineering and industrial aerodynamics, 2003, 91:209–218. ].
Vehicle Engineering (the third edition).
Online since: January 2014
Authors: Li Zhong Shi, Jian Rong Zhang
Experimental Research on the Behavior of Adhesive Reinforcement under Pullout Load
Lizhong Shi 1,a , Jianrong Zhang 2,b
Shenyang University, Shenyang 110044
1Institute Architectural Engineering ;Key Laboratory of Environmental Pollution Control and Regional Ecological Security,Shenyang University, Shenyang 110044
2Tongji University, Shanghai 200092
aslz-0318@163.com, bzhangjr@tongji.edu.cn
Keywords: adhesive reinforcement bar, bond, anchorage behavior
Abstract.
With its efficiency, flexibility and economical benefits, post-installed anchor has garnered interests among engineers.
Tests were carried out in the State Key Laboratory of Disaster Reduction in Civil Engineering at Tongji University.
(3) The minimum embedment depth should be specified to prevent concrete cone failure in engineering projects.
Journal of Structural Engineering, ASCE, 1993; 119(9).
With its efficiency, flexibility and economical benefits, post-installed anchor has garnered interests among engineers.
Tests were carried out in the State Key Laboratory of Disaster Reduction in Civil Engineering at Tongji University.
(3) The minimum embedment depth should be specified to prevent concrete cone failure in engineering projects.
Journal of Structural Engineering, ASCE, 1993; 119(9).