摘要
在实验室内利用液压伺服疲劳试验机,对带有中心裂纹水泥混凝土试件,采取三点加载法,研究在常温、冻融循环后和-40℃冰冻状态下,两种纤维掺入量(0.9 kg/m31、.8 kg/m3)的聚丙烯纤维网混凝土和0掺入量的基准混凝土断裂能,并尝试将weibull分布引入断裂能分析。试验表明纤维掺入量为0.9 kg/m3的混凝土性价比较高。
Using three-point method and hydraulic servo fatigue test machine,this paper does a test on fractured performance of concrete with different amount of reticular polypropylene fibre （0. 9 km/m^2, 1.8 km/ m^2） under normal temperature, freeze-thaw cycle and forty degrees of frost respectively in lab. The Weibull distribution is used to analyze the fractured performance of concrete. The test results show that the fractured performance of concrete with 0. 9 k/m^2 reticular polypropylene fibre is better.
出处
《黑龙江工程学院学报》
CAS
2008年第3期1-4,共4页
Journal of Heilongjiang Institute of Technology
基金
黑龙江省交通厅重点科技项目资助(2006JT218-35)
关键词
聚丙烯纤维网混凝土
断裂能
WEIBULL分布
concrete with reticular polypropylene fibre
fractured performance
Weibull distribution
