| 矿物掺合料对水泥基材料自收缩变形行为的影响及机理研究 |
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| 引用本文： | 刘加平,缪昌文,田倩,孙伟. 矿物掺合料对水泥基材料自收缩变形行为的影响及机理研究[J]. 工业建筑, 2006, 36(7): 65-67,74 |
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| 作者姓名： | 刘加平 缪昌文 田倩 孙伟 |
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| 作者单位： | 江苏省建筑科学研究院有限公司,南京,210008;东南大学,材料科学与工程系,南京,210096 |
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| 摘 要： | 采用体积测量和长度测量相结合的试验手段,对高性能水泥基材料的自收缩变形规律进行了分阶段、全过程的研究分析,研究了矿物掺合料的种类(粉煤灰和磨细矿渣)、掺入比以及细度对自收缩的影响。结合毛细管张力理论,探讨了粉煤灰和磨细矿渣对自收缩的影响机理。
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| 关 键 词： | 矿物掺合料 高性能水泥基材 自收缩 |
| 收稿时间： | 2005-11-01 |
| 修稿时间： | 2005-11-01 |
STUDY ON THE EFFECT OF MINERAL ADMIXTURES ON AUTOGENOUS-SHRINAGE DEFORMATION OF CEMENT-BASED MATERIALS AND ITS MECHANISM |
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| Liu Jiaping,Miao Changwen,Tian Qian,Sun Wei. STUDY ON THE EFFECT OF MINERAL ADMIXTURES ON AUTOGENOUS-SHRINAGE DEFORMATION OF CEMENT-BASED MATERIALS AND ITS MECHANISM[J]. Industrial Construction, 2006, 36(7): 65-67,74 |
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| Authors: | Liu Jiaping Miao Changwen Tian Qian Sun Wei |
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| Affiliation: | Jiangsu Building Research Institute Co., Ltd Nanjing 210008;Department of Material Science and Engineering, Southeast University Nanjing 210096 |
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| Abstract: | The whole-course of autogenous shrinkage deformation of high performance cement based materials was in vestigated by stages with the combining of volume measurement and length measurement. The effects of the type of mineral admixtures, including fly ash and ground blast furnace slag, addition rate and fineness on the autogenous shrinkage were studied. The mechanism was discussed on the basis of capillary tension theory. |
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| Keywords: | mineral admixtures high performance cement-based material autogenous shrinage |
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