| 再生混凝土抗冻耐久性试验及寿命预测 |
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| 引用本文： | 王立久,汪振双,崔正龙. 再生混凝土抗冻耐久性试验及寿命预测[J]. 混凝土与水泥制品, 2009, 0(4) |
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| 作者姓名： | 王立久 汪振双 崔正龙 |
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| 作者单位： | 1. 大连理工大学土木水利学院,116024
2. 辽宁工程技术大学建筑与工程学院 |
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| 基金项目： | "十一五"国家科技支撑计划重大项目 |
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| 摘 要： | 对再生混凝土进行了快速冻融试验研究.结果表明,经一定的冻融循环后,再生混凝土的强度、质量和相对动弹模量均有不同程度的下降.和普通混凝土相比,其质量和相对动弹模量下降幅度小于普通混凝土的降幅,而强度下降幅度则大于普通混凝土的.根据再生混凝土抗冻性试验结果,初步建立了基于再生混凝土抗折强度衰变规律的抗冻耐久性寿命模型.
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| 关 键 词： | 再生骨料混凝土 抗冻性 强度 寿命预测 |
Tests on Frost-resistance and Life-span Prediction of Recycled Concrete |
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| WANG Jiu-li,WANG Zhen-shuang,CUI Zheng-long. Tests on Frost-resistance and Life-span Prediction of Recycled Concrete[J]. China Concrete and Cement Products, 2009, 0(4) |
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| Authors: | WANG Jiu-li WANG Zhen-shuang CUI Zheng-long |
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| Abstract: | The accelerated freez-thawing tests for researching of recycle aggregate concrete have been down and the rezults show that the strength,mass and relative dynamic modulus of recycle concrete are all decreased in different levels with the increasing of freez-thawing cycle numbers.However,the docreasing quantities of mass and dynamic modulus for recycle aggregate concrete are less than that of odinary concrete,but the decreasing quantities of strength is larger than ordinary concrete.And based on the test rezu... |
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| Keywords: | Recycle aggregate concrete Frost resistance Strength Service life prediction |
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