Study on Failure Standard of Highway Bridge Rubber Bearing
[1]Wu Xiaoguang,He Shulei,Zheng Peng,et al.Study on Failure Standard of Highway Bridge Rubber Bearing[J].Journal of Zhengzhou University (Engineering Science),2019,40(01):67-71.[doi:10.13705/j.issn.1671-6833.2019.01.001]
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Journal of Zhengzhou University (Engineering Science)[ISSN
1671-6833/CN
41-1339/T] Volume:
40
Number of periods:
2019 01
Page number:
67-71
Column:
Public date:
2019-01-10
- Title:
- Study on Failure Standard of Highway Bridge Rubber Bearing
- CLC:
- -
- DOI:
- 10.13705/j.issn.1671-6833.2019.01.001
- Abstract:
- In a on-site examination on the plate type elastomeric pad bearings on three expressways in Shanxi Province，the main problems of this type of pad bearings were local cavitation and bearing shear deformation. Then the uniaxial tensile test, biaxial tensile test and plane shear test were carried out to obtain the actual characteristic parameters of bridge bearing. By establishing a finite element model of the plate rubber bearing, the ultimate void ratio and ultimate shear angle of the rubber bearing were obtained. Finally, through the software trial calculation, the simulation the force of the pad bearings was conducted with both the local cavitation and the shear deformation ,the failure identification formula and the failure curve of the rubber bearing in the plate under the simultaneous action of the two diseases were fitted, If the combination of partial void and shear deformation satisfied the failure criteria or was outside the failure curve range, the bearing failure was indicated.The failure criterion obtained in this paper could cast extra light on the basis for the replacement of the plate rubber bearing, and were of great engineering value.
- References:
- -
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Last Update:
2019-03-01