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Online since: July 2014
Authors: Ji Dong Li, Lian Jin Tao, Jun Hai An, Bin Lin Wu
Fig.4 Steel-grating steel frame diagram
Fig.5 Jack top-bracing platform
Jack top-bracing platform features
The advantages and innovation of the platform lie in: (1) The operation platform that combine the mechanical operation process with the traditional civil engineering method can meet the requirements of civil engineering construction and meet the demand of machine operating platform; (2) To solve the relations between top bracing stress transfer and stress transformation of civil procedure, they can play a control function without coordinate with each other; It can solve the mechanics relationship problems between basement top bracing on top or basement of structure frame and the top bracing force, namely the top bracing loss force can't convert into civil frame internal force;(3) It can meet the construction method of the other auxiliary measures effective implementation , such as sidewall leading ductile , locking anchor pipes, grid interval adjustment , soil reinforcement, etc
Chinese Journal of Geotechnical Engineering, 2009, 31(5):805-810.
Chinese Journal of Rock Mechanics and Engineering, 2007,26(2 ):4209-4213.
Chinese Journal of Geotechnical Engineering, 2011, 33(2): 253-258.
Beijing, Beijing Urban Engineering Design & Research Institute co., LTD.2006.
Chinese Journal of Geotechnical Engineering, 2009, 31(5):805-810.
Chinese Journal of Rock Mechanics and Engineering, 2007,26(2 ):4209-4213.
Chinese Journal of Geotechnical Engineering, 2011, 33(2): 253-258.
Beijing, Beijing Urban Engineering Design & Research Institute co., LTD.2006.
Online since: March 2013
Authors: Jian Wei Huang
Department of Civil Engineering
Southern Illinois University Edwardsville, Edwardsville, IL 62026, USA
Email: jiahuan@siue.edu
Keywords: Durability, GFRP, Glass Fiber, Reinforced Concrete, Reinforcement
Abstract: Degradation mechanisms of GFRP bar in real concrete are still not clear to civil engineers due to limited field applications.
Introduction Fiber Reinforced Polymer (FRP) composite materials have been heavily researched for use in civil engineering industry in many forms, e.g., FRP laminates for structural strengthening, FRP tendons for post-tensioned structures, and FRP reinforcing bars for RC structures.
In this regard, Canadian scientists and engineers have been pioneering in developing alternatives to steel reinforcement.
As none of GFRP RC projects have served over a long period of time, acceptance of GFRP bar to civil engineering industry is still very limited.
S., “A model specification for FRP composites for civil engineering structures,” Constr.
Introduction Fiber Reinforced Polymer (FRP) composite materials have been heavily researched for use in civil engineering industry in many forms, e.g., FRP laminates for structural strengthening, FRP tendons for post-tensioned structures, and FRP reinforcing bars for RC structures.
In this regard, Canadian scientists and engineers have been pioneering in developing alternatives to steel reinforcement.
As none of GFRP RC projects have served over a long period of time, acceptance of GFRP bar to civil engineering industry is still very limited.
S., “A model specification for FRP composites for civil engineering structures,” Constr.
Online since: January 2013
Authors: Jian Jun Liu, Kuan Jun Zhu
Civil structures are traditionally protected from large seismic events through redundancies.
State-of-the-Art of Semiactive Control Systems Using MR Fluid Dampers in Civil Engineering Applications.
Structural Engineering and Mechanics, 17(3-4), 493-526, 2004 [5] Ou, J., and Li, H.
Journal of Materials Science and Engineering, 443(2): 16—24, 2007
Journal of Structural Engineering-ASCE, 129(7): 845—856, 2003.
State-of-the-Art of Semiactive Control Systems Using MR Fluid Dampers in Civil Engineering Applications.
Structural Engineering and Mechanics, 17(3-4), 493-526, 2004 [5] Ou, J., and Li, H.
Journal of Materials Science and Engineering, 443(2): 16—24, 2007
Journal of Structural Engineering-ASCE, 129(7): 845—856, 2003.
Online since: October 2013
Authors: Ji Hao Chen, Yong Peng Sun, Yu Jia Gao, Sen Liu
Pre-camber Analysis for Hanging Cradle Construction of Qinhe Bridge
Jihao Chena, Sen Liuc, Yujia Gaob and Yongpeng Sund
School of Civil Engineering and Communications, North China University of Water Resources and Electric Power, Zhengzhou, 450011, China
acjh@ncwu.edu.cn, c511069219@qq.com, b1037092744@qq.com, d1097879121@qq.com
Keywords: bridge engineering; hanging cradle construction; final pre-camber; quadratic parabolic curve; cosine curve.
The maximum pre-cambers and their locations of every span of Qinhe Bridge are determined by the method of standard JTG D62-2004 with the finite element analysis software MIDAS/CIVIL.
According to the structure materials, sizes, loads and boundary conditions, the software MIDAS/CIVIL is used to establish the three-dimensional finite element model which has a total 379 nodes, 330 elements.
Conclusions The maximum pre-cambers and their locations of every spans of Qinhe Bridge are determined by the method of standard JTG D62-2004 with the finite element analysis software MIDAS/CIVIL.
The maximum pre-cambers and their locations of every span of Qinhe Bridge are determined by the method of standard JTG D62-2004 with the finite element analysis software MIDAS/CIVIL.
According to the structure materials, sizes, loads and boundary conditions, the software MIDAS/CIVIL is used to establish the three-dimensional finite element model which has a total 379 nodes, 330 elements.
Conclusions The maximum pre-cambers and their locations of every spans of Qinhe Bridge are determined by the method of standard JTG D62-2004 with the finite element analysis software MIDAS/CIVIL.
Online since: July 2013
Authors: Giovanni Fabbrocino, Carmen Pannunzio, Mark J. Schulz, Vesselin Shanov, Carlo Rainieri, Yi Song
Degradation phenomena can affect civil structures over their lifespan.
The analysis of experimental results and theoretical developments provides useful design criteria for the fabrication of CNT/cement composites optimized for SHM applications in civil engineering.
Taking into account that CNT/cement composites are developed for real applications in civil engineering, the effect of water content on the piezoresistive response is of interest.
Wang, Carbon nanotube–cement composites: A retrospect, The IES Journal Part A: Civil&Structural Engineering 4 (2011) 254-265
Ou, Sensing properties of CNT-filled cement-based stress sensors, J Civil Struct Health Monit 1 (2011) 17–24
The analysis of experimental results and theoretical developments provides useful design criteria for the fabrication of CNT/cement composites optimized for SHM applications in civil engineering.
Taking into account that CNT/cement composites are developed for real applications in civil engineering, the effect of water content on the piezoresistive response is of interest.
Wang, Carbon nanotube–cement composites: A retrospect, The IES Journal Part A: Civil&Structural Engineering 4 (2011) 254-265
Ou, Sensing properties of CNT-filled cement-based stress sensors, J Civil Struct Health Monit 1 (2011) 17–24
Online since: March 2007
Authors: Sun Kyu Cho, Soon Jong Yoon, Joo Hyung Joo, Ju Kyung Park
Local Buckling Coefficient of Thin-walled Pultruded FRP
Compression Members
Joo-Hyung Joo1, Soon-Jong Yoon,2 Ju-Kyung Park,3 and Sun-Kyu Cho4
1,2
Department of Civil Engineering, Hongik University 72-1, Sangsu-dong, Mapo-gu, Seoul 121-791,
Korea
3
Daehan E&C Co., Ltd., Namyang Building 5F, Samjeon-dong, Songpa-gu, Seoul 138-180, Korea
4
Department of Civil Engineering, Seoul National University of Technology, 172 Kongneong-dong,
Nowon-gu, Seoul 139-743, Korea
1
hj5898@daum.net, 2sjyoon@hongik.ac.kr, 3jkpark58@naver.com, 4skcho@duck.snut.ac.kr
Keywords: Pultruded FRP Structural Member, Orthotropic, Local Buckling, Approximate Solution.
Recently there has been an increased demand in the use of FRP materials as load-bearing structural elements for the civil engineering applications, since FRP composite materials offer superior properties to conventional structural materials used in civil engineering structures.
R01-2005-000-10395-0 from the Basic Research Program of the Korea Science & Engineering Foundation.
Recently there has been an increased demand in the use of FRP materials as load-bearing structural elements for the civil engineering applications, since FRP composite materials offer superior properties to conventional structural materials used in civil engineering structures.
R01-2005-000-10395-0 from the Basic Research Program of the Korea Science & Engineering Foundation.
Online since: October 2015
Authors: Jiří Vala, Petra Jarošová
Identification of Effective Material Characteristics in Semilinear Equations of Heat and Mass Transfer
Jiří Vala 1, a * and Petra Jarošová1, b
1Brno University of Technology, Faculty of Civil Engineering, 602 00 Brno, Veveří 331/95,
Czech Republic
avala.j@fce.vutbr.cz, bjarosova.pj@fce.vutbr.cz
*corresponding author
Keywords: Heat and mass transfer, inverse problems, nondestructive testing.
Utilization of advanced materials in civil engineering motivates research in both experimental and computational methods of reliable identification of their material characteristics, as e.g. the thermal conductivity and diffusivity in semilinear evolutionary equations of heat conduction, coming from the energy balance in classical thermodynamics, or the capillary transfer coefficient in similar equations, coming from the mass balance.
Introduction Development of advanced materials in civil engineering, accompanied with the progress in structures and technologies, requires new experimental and computational methods of identification of their material characteristics.
Šuhajda, The moisture in capillaries of building materials, DPC Journal of Civil Engineering and Architecture 2 (2012) 1536-1543
Kala, Sensitivity analysis of steel plane frames with initial imperfections, Engineering Structures 33 (2011) 2342-2349
Utilization of advanced materials in civil engineering motivates research in both experimental and computational methods of reliable identification of their material characteristics, as e.g. the thermal conductivity and diffusivity in semilinear evolutionary equations of heat conduction, coming from the energy balance in classical thermodynamics, or the capillary transfer coefficient in similar equations, coming from the mass balance.
Introduction Development of advanced materials in civil engineering, accompanied with the progress in structures and technologies, requires new experimental and computational methods of identification of their material characteristics.
Šuhajda, The moisture in capillaries of building materials, DPC Journal of Civil Engineering and Architecture 2 (2012) 1536-1543
Kala, Sensitivity analysis of steel plane frames with initial imperfections, Engineering Structures 33 (2011) 2342-2349
Online since: July 2011
Authors: Guo Hui Zhao
Currently, the multimedia courseware widely used in civil engineering field of higher education.
In this paper, based on the design of multimedia courseware of bridge engineering, the design method of multimedia courseware of bridge engineering and some problems that need to be mentioned are discussed.
Design Basis of Multimedia Courseware Bridge engineering is a professional course of civil engineering like bridge and tunnel engineering, engineering mechanics and so on.
Bridge engineering course has many basic concepts and complex formulas.
[5] Lichu Fan: Bridge Engineering (China Communications Press, Beijing 2004)
In this paper, based on the design of multimedia courseware of bridge engineering, the design method of multimedia courseware of bridge engineering and some problems that need to be mentioned are discussed.
Design Basis of Multimedia Courseware Bridge engineering is a professional course of civil engineering like bridge and tunnel engineering, engineering mechanics and so on.
Bridge engineering course has many basic concepts and complex formulas.
[5] Lichu Fan: Bridge Engineering (China Communications Press, Beijing 2004)
Online since: December 2011
Authors: Hui Li, M.L. Ma, J. Guo, W.L. Chen
Chen1, d
1 Department of Civil Engineering, Harbin Institute of Technology, Harbin, China, 150090
2 School of Civil & Hydraulic Engineering, Dalian University of Technology, Dalian, China, 116024
amaminglei@hit.edu.cn, bguoj@vip.163.com, clihui@hit.edu.cn, dcwl_80@hit.edu.cn
Keywords: Building material; FRP; b-value method; Unwinding effect; Stay cable
Abstract.
As one kind of the advanced composite materials (ACM), FRP is now getting widely used in civil engineering for its advantages as light weight, electromagnetic isolation, high strength, fatigue resistance and corrosion resistance.
Introduction In order to meet the future need of Civil Engineering, building materials should have good properties like light weight, electromagnetic isolation, high strength, fatigue resistance and corrosion resistance.
FRP cable is novel for its application in bridge engineering.
Chaplin, Failure mechanisms in wire ropes, Engineering Failure Analysis. 2 (1995) 45-57
As one kind of the advanced composite materials (ACM), FRP is now getting widely used in civil engineering for its advantages as light weight, electromagnetic isolation, high strength, fatigue resistance and corrosion resistance.
Introduction In order to meet the future need of Civil Engineering, building materials should have good properties like light weight, electromagnetic isolation, high strength, fatigue resistance and corrosion resistance.
FRP cable is novel for its application in bridge engineering.
Chaplin, Failure mechanisms in wire ropes, Engineering Failure Analysis. 2 (1995) 45-57
Online since: June 2016
Authors: Kristýna Timcakova, Petr Misák, Lubos Pazdera, Libor Topolář
Parameters of Acoustic Emission Signals Obtained During the Setting and Hardening of Concrete Mixtures with Different Water-Cement Ratio
TOPOLAR Libor1,a *, TIMCAKOVA Kristyna1,b , MISAK Petr1,c
and PAZDERA Lubos1,d
1Brno University of Technology, Faculty of Civil Engineering, Czech Republic
atopolar.l@fce.vutbr.cz, btimcakova.k@fce.vutbr.cz, cmisak.p@fce.vutbr.cz, dpazdera.l@fce.vutbr.cz
Keywords: acoustic emission method, energy of acoustic emission signals, duration of acoustic emission signals, water-cement ratio, hardening and setting of concrete
Abstract.
Nevertheless, its application in civil engineering area is not easy because many building structures are inhomogeneous.
Introduction Concrete is a construction material frequently used in civil engineering.
As a non-traditional, non-destructive analysis method, the Acoustic Emission Method was used for civil engineering experiment.
The typically case in civil engineering is the location of a waveguide into the prepared hole in wood or concrete [9].
Nevertheless, its application in civil engineering area is not easy because many building structures are inhomogeneous.
Introduction Concrete is a construction material frequently used in civil engineering.
As a non-traditional, non-destructive analysis method, the Acoustic Emission Method was used for civil engineering experiment.
The typically case in civil engineering is the location of a waveguide into the prepared hole in wood or concrete [9].