基于抗裂原则的二灰碎石配合比设计 |
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引用本文: | 郑达人.基于抗裂原则的二灰碎石配合比设计[J].北方交通,2007(12):9-11. |
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作者姓名: | 郑达人 |
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作者单位: | 辽宁省高等级公路建设局,沈阳,110003 |
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摘 要: | 通过分析二灰碎石在现行规范设计方法中存在的不足,提出了基于抗裂设计原则的二灰碎石混合料逐级填充的理想结构层次,给出了一种满足强度和抗裂性综合要求的二灰碎石配合比设计方法,并且通过相应的室内实验进行了理论验证。
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关 键 词: | 二灰碎石 理想结构层次 间断级配 振实空隙率 配合比设计 |
Design of Lime-Fly Ash-Macadam Proportioning, Baced on Anti-crack |
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Authors: | Zheng Daren |
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Institution: | Zheng Daren |
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Abstract: | In terms of deficiency the mix of lime-fly ash-macadam exists in Current Design Specification,the paper puts forward the ideal structure layer filled by lime-fly ash-macadam mix grade by grade,based on design principle for anti-crack,gives the design procedures for proportioning of lime-fly ash-macadam mix,that satisfy needs for strength and anti-crack and have been verified theoretically through test in lab. |
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Keywords: | Lime-Fly ash-Macadam Ideal structure layer Gap grade Tap porosity Proportioning design |
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