Development of a Steel Fiber-Reinforced Rubber Concrete for Jacketing of Bridge Piers Against Vehicular Impacts: Preliminary Results

Author(s):  
Dade Lai ◽  
Lan Lin ◽  
Xiaoyu Yan ◽  
Zitong Li ◽  
Keqin Xu ◽  
...  
2021 ◽  
Vol 272 ◽  
pp. 02007
Author(s):  
Jie Sun ◽  
Guozhen Chen ◽  
Anning Wang ◽  
Kangqi Lv ◽  
Yi Luo

In order to research the effect of the steel fiber volume and the rubber powder diameter on the mechanics performance of the layer steel fiber reinforced rubber concrete, the cube compression tests, splitting tensile tests and four-point bending tests are performed on steel fiber reinforced rubber concrete with steel fiber content of 0.5%, 1%, 1.5%, 2%, 2.5% and rubber powder mesh 20, 40, 60. When 40 mesh rubber powder is added and the volume ratio of steel fiber is 1.5%, the compressive strength of laminated steel fiber rubber concrete reaches the peak value. The splitting tensile strength of laminated steel fiber rubber concrete mixed with2.0% steel fiber and mesh 40 rubber powder is the best. The flexural strength of laminated steel fiber rubber concrete mixed with 2.5% steel fiber and mesh 40 rubber powder is highest in this paper.


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