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水泥粉煤灰稳定碎石基层的龄期和强度

Ga-zi ZHANG,Ai-min SHA

JOURNAL OF HIGHWAY AND TRANSPORTATION RESEARCH AND DEVELOPMENT（2005）

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Abstract
以水泥粉煤灰稳定碎石混合料的设计龄期和设计参数为研究对象,通过试验不同龄期的力学特性指标发现,120d龄期时混合料的强度发展已经基本完成,因此认定混合料的设计龄期宜为120d.在此基础上,通过变化集料级配和水泥剂量,研究确定出混合料7d龄期的抗压强度标准,120d龄期劈裂强度和抗压回弹模量的合理区间.
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Key words
Compressive strength,Cement,Aggregate (composite),Gradation,Fly ash,Modulus,Resilience (materials science),Composite material,Materials science
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