Paper Title:
Shrinkage and Creep Analysis of a Continuous Rigid-Frame Bridge with Density Gradient Concrete
  Abstract

In consideration of the excessive mid-span deflection and box girder cracks of continuous rigid-frame bridges, this paper analyzes the maximum first principal stress and mid-span deflection increment of a continuous rigid-frame bridge with density gradient concrete under shrinkage and creep effect. The maximum first principal stress increment at main span is 0.084MPa and mid-span deflection increment is 73mm after 10 years for continuous rigid-frame bridge with density gradient concrete, which are smaller than a continuous rigid-frame bridge with normal concrete. All of that show that continuous rigid-frame bridge with density gradient concrete reduces effect of shrinkage and creep. The research provides a theoretical basis for the successful application of continuous rigid-frame bridge with density gradient concrete.

  Info
Periodical
Advanced Materials Research (Volumes 250-253)
Edited by
Guangfan Li, Yong Huang and Chaohe Chen
Pages
2506-2509
DOI
10.4028/www.scientific.net/AMR.250-253.2506
Citation
Z. F. Lu, M. Y. Liu, "Shrinkage and Creep Analysis of a Continuous Rigid-Frame Bridge with Density Gradient Concrete", Advanced Materials Research, Vols. 250-253, pp. 2506-2509, 2011
Online since
May 2011
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Jin Sheng Du, Hai Bin Liu
Abstract:In some long-span prestressed concrete box girder bridges, excessive deflections of main girders are often observed. These unacceptable...
1436
Authors: Wen Xing Wang, Qi Ming Guo
Abstract:This paper explains the static load test of a simple-support prestressed bridge. Deflection and stress are measured by the static load test...
1621
Authors: Jie Jun Wang, Qing Liang Zhu, Xiao Liang Peng
Chapter 9: Bridge Engineering
Abstract:Considering the transformation of the system and the increasing of the load in the construction process of long-span arch bridge, combining...
2273
Authors: Yu Liang He, Yi Qiang Xiang, He Xin Ke, Li Si Liu
Chapter 4: Road and Bridge Engineering
Abstract:Taking the four-span 40m simply supported multi-box steel-concrete composite girder bridge in the ProjectⅡ of Qiushi Expressway in Hangzhou...
1547
Authors: Chun Sheng Wang, Lu Ping Liu, Mao Sen Wei
Abstract:The Yao Zhou downlink Viaduct damaged in a fire accident was repaired using steel plate and concrete composite strengthening (SPCCS)...
145