| 寒冷地区再生混凝土抗折强度试验研究 |
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| 引用本文： | 李广军,郑秀梅,王洪志,孙俊,刘建波.寒冷地区再生混凝土抗折强度试验研究[J].低温建筑技术,2013(10):12-14. |
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| 作者姓名： | 李广军 郑秀梅 王洪志 孙俊 刘建波 |
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| 作者单位： | 佳木斯大学建筑工程学院,黑龙江佳木斯154002 |
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| 基金项目： | 佳木斯大学“2012年大学生创新创业训练计划”省级项目资助（20124017） |
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| 摘 要： | 为了研究寒冷地区不同粗骨料取代率再生混凝土的抗折强度，共设计了33块不同再生粗骨料取代率的标准试块进行抗折试验，得到了各取代率再生混凝土的抗折强度数据，分析了粗骨料取代率对抗折强度的影响。试验结果表明：寒冷地区再生粗骨料混凝土的抗折强度随再生粗骨料取代率的不同而出现不同的变化，呈现先升后降趋势，其中30％取代率的再生混凝土抗折强度最高，100％取代率的最低。
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| 关 键 词： | 再生混凝土 取代率 抗折强度 |
THE EXPERIMENTAL STUDY ON THE FLEXURAL STRENGTH OF RECYCLED AGGREGATE CONCRETE IN COLD AREAS |
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| LI Guang-jun,ZHENG Xiu-mei,WANG Hong-zhi,SUN Jun,LIU Jian-bo.THE EXPERIMENTAL STUDY ON THE FLEXURAL STRENGTH OF RECYCLED AGGREGATE CONCRETE IN COLD AREAS[J].Low Temperature Architecture Technology,2013(10):12-14. |
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| Authors: | LI Guang-jun ZHENG Xiu-mei WANG Hong-zhi SUN Jun LIU Jian-bo |
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| Affiliation: | ( Institute of Civil Engi. , Jiamusi Univ. , Heilongjiang Jiamusi 154007, China) |
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| Abstract: | In order to study the flexural strength of different relacemnet percentages recycled coarse aggregate concrete,33 specimens were designed for the test. According to the experiment, the flexural strength of recycled aggregate concrete（ RAC ）was gotten, and the influence of relacemnet percentagesre- cycled coarse aggregate are analyzed. The results show that the flexural strength of recycled aggregate concrete in cold areas is different change with different relacemnet percentages recycled coarse aggre- gate,and it first increased and then decreased subsequently. The flexural strength of 30% substitution rate of recycled concrete is the highest,and 100% substitution rate＇ s is the lowest. |
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| Keywords: | recycled aggregate concrete（RAC） replacement percentage flexural strength |
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