碳纤维混凝土力学性能的试验研究

Mechanical Performance of Carbon Fiber Reinforced Concrete

通过改变碳纤维在混凝土中的掺量,探讨碳纤维对混凝土基本力学性能的影响。实验结果表明:碳纤维对混凝土抗压强度基本没有影响,但对混凝土劈拉强度的影响较显著。当碳纤维掺量为0.08%时,劈拉强度可较素混凝土提高43.3%。同时碳纤维还可明显改善混凝土试件的破坏形态,使试件裂而不碎。

Through changing the carbon fiber volume,the paper studied the influence of carbon fiber to the mechanical properties of the reinforced concrete（CFRC）.The results show that carbon fiber can obviously increase splitting tensile strength of concrete,but no influence to compressive strength.When the carbon fiber volume is 0.08%,the splitting tensile strength would improve 43.3% compared with plain concrete.In addition,carbon fiber can improve the failure form of concrete test-components,making it crack,but not broken.