Volume 28 Issue 3
Aug.  2021
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ZHANG Jubing, CAI Meifeng, MOU Zaigen. Cause analysis of cracking on the top of curved prestressed concrete bridge piers[J]. Chinese Journal of Engineering, 2006, 28(3): 227-230,241. DOI: 10.13374/j.issn1001-053x.2006.03.006
Citation: ZHANG Jubing, CAI Meifeng, MOU Zaigen. Cause analysis of cracking on the top of curved prestressed concrete bridge piers[J]. Chinese Journal of Engineering, 2006, 28(3): 227-230,241. DOI: 10.13374/j.issn1001-053x.2006.03.006

Cause analysis of cracking on the top of curved prestressed concrete bridge piers

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  • Received Date: January 05, 2005
  • Revised Date: February 15, 2005
  • Available Online: August 23, 2021
  • An FEM simulation using three-dimensional beam element was performed in order to study the causes of cracking on the top of curved prestressed concrete girder bridge piers, where the prestressing tendons were simplified as forces acting on the concrete girder. The results indicate that the direction of moment on the top of a single pillar pier caused by prestressing and that caused by dead load are identical, and the former is 1 order of magnitude higher. These two moments are the main causes of cracking on the top of the piers. By comparative computation, applicable suggestions were proposed to prevent the cracking of a pier.

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