Crack Propagation of Prestressed Concrete Multi Girder Bridge Subjected to Vertical Symmetric Loads
Feng Wang, Qingyu Liang, Jian Zhang, Jun Ai
Available Online April 2015.
- https://doi.org/10.2991/icmra-15.2015.23How to use a DOI?
- multi girder bridge; crack propagation; vertical symmetric loads
- The prestressed concrete multi girder bridge is composed of main beams and diaphgrams. Cracks are inevitably existing in the structure. The regularities of crack propagation of the prestressed concrete multi girder bridge subjected to vertical symmetric loads are studied based on nonlinear finite element theories. From shell element degraded from continuous body, steel and concrete are modeled by layered shell element. With some available criteria, the material nonlinear properties of concrete and steel are considered. Then the procession of cracking, yielding and failure of prestressed concrete multi girder bridge is imitated and the analytical three-dimensional procedure is compiled. For a certain prestressed concrete multi girder bridge when subjected to two typical vertical symmetric loads, the computational results show that the cracks emerging in the diaphgrams are earlier than those in the main beams. The crack propagation pictures of important load rands are listed in order to prove the significant regularity. For practical engineerings, emphases should be also put on the cracks in the diaphgrams.
- Open Access
- This is an open access article distributed under the CC BY-NC license.
Cite this article
TY - CONF AU - Feng Wang AU - Qingyu Liang AU - Jian Zhang AU - Jun Ai PY - 2015/04 DA - 2015/04 TI - Crack Propagation of Prestressed Concrete Multi Girder Bridge Subjected to Vertical Symmetric Loads BT - Proceedings of the 3rd International Conference on Mechatronics, Robotics and Automation PB - Atlantis Press SP - 115 EP - 118 SN - 2352-538X UR - https://doi.org/10.2991/icmra-15.2015.23 DO - https://doi.org/10.2991/icmra-15.2015.23 ID - Wang2015/04 ER -