[提要]  提出将钢纤维混凝土用于桩承台并进行了试验研究。根据9个试件的试验结果，讨论了钢纤维混凝土三桩承台的裂缝、破坏形态与传力机理，提出了承载力计算公式，可供工程设计和进一步研究参考。
[关键词]  桩承台 钢纤维 混凝土 承载力

Author suggests applying the steel fiber to the pile cap and carries out the experiment study.Based on the test results of 9 specimens, the cracks, failure pattern and loadtransfer model of Steel Fiber Reinforced Concrete(SFRC) three-pile cap are analyzed.The formula for calculating the bearing capacity of the pile cap is presented, which is useful for engineering design and further study.
Keywords: pile  cap; steel  fiber; concrete; bearing  capacity