CAJ | 학술논문

已有研究通常采用正态分布来描述沥青混凝土的疲劳耐久性，但是由于材料本身以及试验环境条件的变异性，试验所得的疲劳耐久性能具有很大的离散性。依据大量室内试验并优选代表性强的数据源，利用双参数Weibull分布理论验证沥青混凝土材料的疲劳耐久性能在统计学上的分布规律，并回归得到了不同失效概率条件下的疲劳寿命方程。结果表明：Weibull分布理论能够较好地描述多因素复杂条件下沥青混凝土的疲劳耐久性分布特征。
이유연구통상채용정태분포래묘술력청혼응토적피로내구성，단시유우재료본신이급시험배경조건적변이성，시험소득적피로내구성능구유흔대적리산성。의거대량실내시험병우선대표성강적수거원，이용쌍삼수Weibull분포이론험증력청혼응토재료적피로내구성능재통계학상적분포규률，병회귀득도료불동실효개솔조건하적피로수명방정。결과표명：Weibull분포이론능구교호지묘술다인소복잡조건하력청혼응토적피로내구성분포특정。
The existing research usually adopts normal distribution to describe the fatigue durability of asphalt concrete, however, due to variability of materials and test environment, the test result of fatigue durability perform- ance has great discreteness. According to a large amount of indoor tests and preferable selection of typical data source, with double parameter Weihull distribution theory, the distribution rule of fatigue durability performance of asphalt concrete in statistics is verified and fatigue life equation under the conditions of different probability of fail- ure is obtained through regression. The result shows that the distribution features of fatigue durability of asphalt con- crete under complicated conditions of multi factors could be described well with Weibull distribution theory.