玻璃纤维混凝土的弯曲疲劳试验研究  

Experimental investigation on flexural fatigue performance of glass fiber reinforced concrete

作　　者：吕雁[1] 程赫明[1] 马志广[1] 

机构地区：[1]昆明理工大学建筑工程学院,云南昆明650093

出　　处：《混凝土》2012年第9期50-53,共4页Concrete

基　　金：国家自然科学基金资助项目(90510018)

摘　　要：对玻璃纤维混凝土(GFRC)材料的弯曲疲劳进行了试验研究,获得不同应力水平作用下GFRC的疲劳寿命,并应用疲劳寿命统计学理论确定了GFRC疲劳寿命统计分布规律服从两参数的威布尔分布,建立了考虑存活率的双对数疲劳方程和单对数疲劳方程。研究结果表明,GFRC的抗弯性能和弯曲疲劳寿命明显高于普通混凝土材料。The flexural fatigue performance of glass fiber reinforced concrete was investigated experimentally.Using fatigue life statistics theo- ry,it was found that the fatigue life of glass fiber reinforced concrete was suited to the two parameters WeibuU distribution.Then,the fatigue equa- tions of glass fiber reinforced concrete in both the double-logarithm and single logarithm forms are established.The results showed that the flexure resistant property and the fatigue life of glass fiber reinforced concrete were much nicer than that of common concrete.

关 键 词：玻璃纤维混凝土 弯曲疲劳 疲劳寿命 

分 类 号：TU528.581[建筑科学—建筑技术科学]