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Online since: May 2012
Authors: Zhong Jun Xue, Yi Qiu Tan, Yun Liang Li, Luo Ke Li
Performance Properties of GFRP Dowels in Concrete Pavement Joints
Li Yunliang1,2,a, Li Luoke1,b ,Tan Yiqiu1,Xue Zhongjun3
1School of Transportation Science and Engineering, Harbin Institute of Technology,Harbin 150090, P.R.China
2Post-doctoral Research Center in Civil Engineering, Harbin Institute of Technology,Harbin 150090, P.R.China
3Road Administration of Beijing Municipal Commission of Transport, Beijing 100053, P.R.China
aliyl-hit@163.com, bllk217@126.com
Keywords: GFRP dowels, Maximum shear forces, test, cyclic load
Abstract: Dowels are used in jointed plain concrete pavements to provide lateral load transfer across transverse joint through shear force, effective load transfer at lateral joints can reduces stresses in the slabs.
Steel dowels are generally used in engineering practice, but corrosive substance such as carbon chloride ions ,dioxide can free access and easily dispersed along the length of the steel dowels, therefor rapid corrosion can occur which can lead to premature failure of the transverse joint.
Glass fibre-reinforced polymers (GFRP) have been used as dowel bars recent years in order to ravel out the corrosion problems of commonly used steel dowels in engineering practice[2].
Steel dowels are generally used in engineering practice, but corrosive substance such as carbon chloride ions ,dioxide can free access and easily dispersed along the length of the steel dowels, therefor rapid corrosion can occur which can lead to premature failure of the transverse joint.
Glass fibre-reinforced polymers (GFRP) have been used as dowel bars recent years in order to ravel out the corrosion problems of commonly used steel dowels in engineering practice[2].
Online since: April 2013
Authors: Hulusi Özkul, José Barroso Aguiar, Sandra Cunha
Hulusi Ozkul2,b and Sandra Cunha1, c
1University of Minho, Department of Civil Engineering, Campus of Azurém,
4800-058 Guimarães, Portugal
2Istanbul Technical University, Faculty of Civil Engineering
34469 Maslak, Istanbul, Turkey
aaguiar@civil.uminho.pt, bhozkul@itu.edu.tr, csandracunha86@gmail.com
Keywords: concrete-polymer composites; microstructure; nanostructure; properties; test methods and applications
Abstract.
Ohama, Concrete-polymer composites – The past, present and future, Key Engineering Materials, 466 (2011), 1-14
Seidler, Seven well known fundamental flaws against innovations in construction chemistry, Key Engineering Materials, 466 (2011), 15-19
Dimmig-Osburg, Shrinkage properties of polymer-modified cement mortars (PCM), Key Engineering Materials, 466 (2011), 29-36
Moriconi, Mechanical behaviour and thermal conductivity of mortars with plastic particles, Key Engineering Materials, 466 (2011), 115-120
Ohama, Concrete-polymer composites – The past, present and future, Key Engineering Materials, 466 (2011), 1-14
Seidler, Seven well known fundamental flaws against innovations in construction chemistry, Key Engineering Materials, 466 (2011), 15-19
Dimmig-Osburg, Shrinkage properties of polymer-modified cement mortars (PCM), Key Engineering Materials, 466 (2011), 29-36
Moriconi, Mechanical behaviour and thermal conductivity of mortars with plastic particles, Key Engineering Materials, 466 (2011), 115-120
Online since: September 2011
Authors: Bo Wu, Can Liu, Kai Yan Xu
Parametric Study on Reinforced Concrete Beams with Transversely Prestressed Bars
Can Liu1, a, Bo Wu2, b and Kai Yan Xu3, c
1State Key Laboratory of Subtropical Building Science, South China University of Technology, Guangzhou 510640, China
Guangdong Communication Polytechnic, Guangzhou 510650, China
2State Key Laboratory of Subtropical Building Science, South China University of Technology, Guangzhou 510640, China
3School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510640, China
Guangdong Communication Polytechnic, Guangzhou 510650, China
alcgz@yahoo.cn, bBowu@scut.edu.cn, cxkywh@sohu.com
Keywords: Transversely prestressed concrete beam, Shear capacity, Parametric study
Abstract.
It means in the actual engineering the steel plate can be changed to steel padding, and then the amount of steel will be reduced.
It means in the actual engineering the steel plate can be changed to steel padding, and then the amount of steel will be reduced.
It means in the actual engineering the steel plate can be changed to steel padding, and then the amount of steel will be reduced.
Engineering Structures.
It means in the actual engineering the steel plate can be changed to steel padding, and then the amount of steel will be reduced.
It means in the actual engineering the steel plate can be changed to steel padding, and then the amount of steel will be reduced.
It means in the actual engineering the steel plate can be changed to steel padding, and then the amount of steel will be reduced.
Engineering Structures.
Online since: May 2011
Authors: Zhi Bin Su, Sheng Nan Sun
Seismic Response of Submerged Floating Tunnel Based on Numerical Analysis
Zhibin Su 1,a, Shengnan Sun 1,b
1 School of Architecture & Civil Engineering, Liaocheng University, Liaocheng, Shandong, 252059, China
a suzhibin@126.com, b sunshengnan1982@163.com
Keywords: Seismic Response; Submerged Floating Tunnel; Finite Element; Numerical Analysis.
Introduction In recent decades, with the rapid development of computer hardware technique and the appearance of new numerical methods, finite element analysis of large complex projects has been the routine work in the engineering field.
In the past, engineering research was mainly based on model tests.
(In Chinese) [6] Mai Jiting, Guan Shubao, “A feasibility study on QiongZhou strait submerged floating tunnel,” Journal of railway engineering society, vol 80, pp. 93-96, December, 2003.
Introduction In recent decades, with the rapid development of computer hardware technique and the appearance of new numerical methods, finite element analysis of large complex projects has been the routine work in the engineering field.
In the past, engineering research was mainly based on model tests.
(In Chinese) [6] Mai Jiting, Guan Shubao, “A feasibility study on QiongZhou strait submerged floating tunnel,” Journal of railway engineering society, vol 80, pp. 93-96, December, 2003.
Online since: July 2011
Authors: Xue Ying Jiao
Research on Stress-Strain relationship model of Concrete Prism Confined by GFRP
Jiao Xueying
Civil Engineering & Architecture Department of Liaoning University of Technology,
Jinzhou ,121001, China
jiao-xy@sohu.com
Keywords: GFRP; concrete prism; stress-strain relationship; model.
There are a vast number of tests on GFRP reinforcing concrete column around the world, but most trials are based on circular section column as study object, while rectangular cross-section columns are more common in engineering, then it is more practical to study the constitutive relation and mechanical behaviors of prism confined by the GFRP sheets.
[2] Arduini,A.Di Tommaso,and o.Manfroni. : Non-Metallic (FRP) Reinforcement for Concrete Structures.proceedings of the Second international RILEM Symposium (FRPRCS-2)(2005) [3] Mander J B,Priestley M J,and Park R.: Journal of Structural Engineering.ASCE Vol.114(1988), p.804 [4] I.A.
:Journal of Structural Engineering,ASCE Vol.124(1998), p.1025
There are a vast number of tests on GFRP reinforcing concrete column around the world, but most trials are based on circular section column as study object, while rectangular cross-section columns are more common in engineering, then it is more practical to study the constitutive relation and mechanical behaviors of prism confined by the GFRP sheets.
[2] Arduini,A.Di Tommaso,and o.Manfroni. : Non-Metallic (FRP) Reinforcement for Concrete Structures.proceedings of the Second international RILEM Symposium (FRPRCS-2)(2005) [3] Mander J B,Priestley M J,and Park R.: Journal of Structural Engineering.ASCE Vol.114(1988), p.804 [4] I.A.
:Journal of Structural Engineering,ASCE Vol.124(1998), p.1025
Online since: May 2011
Authors: Chun Hua Zhao, Shi Jun Chen, Xian You Zhong, Mei Yun Zhao, Zhong Qi Tan
This study succeeded in the application of Virtual Prototyping Technology and laid a basis for further studies of the excavator.
1 Introduction
A hydraulic excavator is a useful engineering machine that has been widely used in industry, civil construction, road building, water resources, hydropower engineering, farmland reforming, mining, and municipal construction.
Through the co-simulation of Pro/E3.0 (Project/Engineering 3.0) and ADAMS 2005 (Automatic Dynamic Analysis of Mechanical Design 2005), my research yielded forces of the bucket’s joints connecting with other parts and analyzed the curves. 2 Building Virtual Prototype 2.1 Building Pro/E 3Ds Entity Model.
[3] CHENG Hong Tao, NIE Tao-sun, PAN Yu-an, WU Kun and LIANG Gang: Dynamic Simulation of Excavator Based on Virtual Prototype Technology and ADAMS, Mechanical Engineering & Automation, NO. 1 (2008), p.2
Through the co-simulation of Pro/E3.0 (Project/Engineering 3.0) and ADAMS 2005 (Automatic Dynamic Analysis of Mechanical Design 2005), my research yielded forces of the bucket’s joints connecting with other parts and analyzed the curves. 2 Building Virtual Prototype 2.1 Building Pro/E 3Ds Entity Model.
[3] CHENG Hong Tao, NIE Tao-sun, PAN Yu-an, WU Kun and LIANG Gang: Dynamic Simulation of Excavator Based on Virtual Prototype Technology and ADAMS, Mechanical Engineering & Automation, NO. 1 (2008), p.2
Online since: November 2011
Authors: Jing Fu Nan, Hui Qi, Chun Xiang Zhao
Scttering of SH-Waves by Intrerface Semicircular Debonded Cylindrical Lining and Linear Cracks Originating at Edge of Lining
Jingfu Nan1,2,a, Hui Qi1,b, Chun-xiang Zhao1,2,c
1 College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China
2Heilongjiang Institute of Science and Technology, Harbin 150027, China
ananjingfu888@163.com, bqihui205@sina.com, czhaocx2005@sohu.com
Key words: scattering of SH-wave, Green’s function, semicircular debonded Lining, cracks,DSIF
Abstract.
Interaction of SH-Wave by Cracks with a Circular Inclusion.Journal of Harbin Engineering University. 5, 25, (2004)
Interaction of SH-Wave by Cracks with a Circular Inclusion.Journal of Harbin Engineering University. 5, 25, (2004)
Interaction of SH-Wave by Cracks with a Circular Inclusion.Journal of Harbin Engineering University. 5, 25, (2004)
Interaction of SH-Wave by Cracks with a Circular Inclusion.Journal of Harbin Engineering University. 5, 25, (2004)
Online since: December 2013
Authors: Wisam Abu Jadayil, Manar Alnaber
AlNaber2,b
1Department of Mechanical and Industrial Engineering, American University of Ras Al Khaimah, UAE
2Department of Civil Engineering, The Hashemite University, Zarqa, Jordan 13135
awisam.abujadayil@aurak.edu
bm.naber38@yahoo.com
Keywords: Ni-Ti, composition, fatigue life, Ni-Ti casting, nondestructive techniques
Abstract .Ni-Ti alloys have been given a lot of attention, mainly for their innovative use in practical medical applications.
E., “A Summary of Recent Research on the Nitinol Alloys and their Potential Application in Ocean Engineering”, Ocean Engineering Journal, V1, p 105-120, (1967) [5] Melton K.
E., “A Summary of Recent Research on the Nitinol Alloys and their Potential Application in Ocean Engineering”, Ocean Engineering Journal, V1, p 105-120, (1967) [5] Melton K.
Online since: November 2013
Authors: Chia Wen Liao, Tsung Lung Chiang
Accident Compensation of Occupational Fatalities in the Construction Industry
Chia-Wen Liao1, a, Tsung-Lung Chiang2,b
1Department of Civil Engineering and Hazard Mitigation Design, China University of Technology, No.56, Section 3, Hsinlong Road, Taipei 116, Taiwan
2Northern Region Inspection Office of the Council of Labor Affairs of Taiwan, No.39, Alley 31, Shaushing N.
These types of contractors have limited financial capacities, and are often unwilling to purchase engineering insurances and insurance for workers in order to reduce cost.
At present, the price of most engineering insurance in Taiwan is calculated as a fixed percentage of the insured amount.
The contractors are inclined to purchase more engineering insurances, and more compensation should be provided in the case of a fatal accident.
These types of contractors have limited financial capacities, and are often unwilling to purchase engineering insurances and insurance for workers in order to reduce cost.
At present, the price of most engineering insurance in Taiwan is calculated as a fixed percentage of the insured amount.
The contractors are inclined to purchase more engineering insurances, and more compensation should be provided in the case of a fatal accident.
Online since: March 2014
Authors: Liu Chao Qiu
Dynamic Rupture Analysis of Concrete Structures by FEM-DEM Method
Liuchao Qiu1,a,*
1College of Water Resources & Civil Engineering, China Agricultural University, Beijing, China
aqiuliuchao@cau.edu.cn
Keywords: seismic response, FEM, DEM, concrete structures, numerical simulation.
Efforts in this direction are very necessary for better understanding the fracture mechanism and the failure process of concrete structures that occur in many areas from material mechanics to earthquake engineering.
Engineering Fracture Mechanics, 2000, 65(1): 67-87 [9] Earthquake Engineering for Concrete Dams: Design, Performance, and Research Needs.
Efforts in this direction are very necessary for better understanding the fracture mechanism and the failure process of concrete structures that occur in many areas from material mechanics to earthquake engineering.
Engineering Fracture Mechanics, 2000, 65(1): 67-87 [9] Earthquake Engineering for Concrete Dams: Design, Performance, and Research Needs.