| 面向工程的多源径RCCA亲水性试验研究 |
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| 引用本文： | 施养杭,吴泽进,彭冲,王大富.面向工程的多源径RCCA亲水性试验研究[J].工业建筑,2011(Z1):628-631. |
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| 作者姓名： | 施养杭 吴泽进 彭冲 王大富 |
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| 作者单位： | 华侨大学土木工程学院; |
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| 基金项目： | 国家科技支撑计划项目(2008BAJ08B10-05); 住宅与城乡建设部研究与开发重点项目(2009-K2-37); 福建省泉州市科技计划重点项目(2009Z46); 厦门特区科技计划创新项目(3502Z20103033); 中海油海西战略基地重点攻关项目(2010ZSY3509) |
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| 摘 要： | RCCA(再生混凝土粗骨料)的性能决定了再生骨料混凝土的亲水性和再生骨料混凝土的水灰比设计。为此探讨不同来源途径再生粗骨料吸水率与失水率及其两者之间的差异性,选取了4种不同来源的废混凝土,即旧房拆迁、高强桩基、市政工程和科学研究的废混凝土,经分别破碎和加工得到相应的RCCA,采用饱和面干法每间隔一段时间分别测试了它们的吸水率,采用室温下自然晾干方法每隔一段时间分别测试了它们的失水率。试验表明:因来源途径不同,RCCA的吸水率和失水率均存在有很大差别。因此,对于不同来源的RCCA的采集与应用,建议加以分类处理。
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| 关 键 词： | 再生混凝土 再生粗骨料 亲水性 吸水率 失水率 |
EXPERIMENTAL INVESTIGATION ON THE HYDROPHILICITY OF DIFFERENT SOURCES OF RCCA |
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| Shi Yanghang Wu Zejin Peng Chong Wang Dafu.EXPERIMENTAL INVESTIGATION ON THE HYDROPHILICITY OF DIFFERENT SOURCES OF RCCA[J].Industrial Construction,2011(Z1):628-631. |
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| Authors: | Shi Yanghang Wu Zejin Peng Chong Wang Dafu |
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| Affiliation: | Shi Yanghang Wu Zejin Peng Chong Wang Dafu(College of Civil Engineering,HuaqiaoUniversity,Quanzhou 362021,China) |
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| Abstract: | The performance of RCCA(recycled coarse aggregate) decides the hydrophilicity of recycled concrete and design of water-cement ratio of recycled concrete.So,for the purpose of studying the differences between the water absorption and loss rate of different sources of recycled coarse aggregate,four sources of recycled concretes,such as old house dismantlement,high-strength pile foundation,municipal engineering and scientific research,are chosen in the study.The four kinds of waste concretes are broken into fo... |
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| Keywords: | recycled concrete recycled coarse aggregate hydrophilicity water absorption water loss rate |
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