透水混凝土疲劳对比试验研究
首发时间:2007-07-09
摘要:透水混凝土具有优良的排水性能,水泥混凝土路面设计必须考虑疲劳寿命。本文在室内疲劳试验的基础上,分析透水混凝土疲劳寿命试验数据的概率分布,得出透水混凝土疲劳寿命服从双参数的威尔布分布,并建立了不同应力水平条件下的疲劳方程。最后通过与其他材料的对比,得出添加剂和用水量对透水混凝土疲劳寿命有决定性影响。
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Study on the Comparison Fatigue Tests of Porous Concrete
Abstract: Porous concrete has excellent drainage performance as the base of pavement structure. According to flexural fatigue test of porous concrete beam in the laboratory, it analyzed the probability distribution of fatigue life, proved that the fatigue life obeys the two-parameter WEIBULL distribution, and built fatigue equation under different stress level on the paper. Through the comparison with other materials’ fatigue life, the additive and the dosage of water have critical influence of the fatigue life.
Keywords: porous concrete fatigue life fatigue equation
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No.1393711810511839****
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