| GT抗裂剂性能研究 |
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| 引用本文： | 路永华, 邵运达, 张普, 项道阳, 张力俊. GT抗裂剂性能研究[J]. 北京工业大学学报, 2007, 33(2): 166-169. |
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| 作者姓名： | 路永华 邵运达 张普 项道阳 张力俊 |
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| 作者单位： | 北京工业大学,建筑工程学院,北京,100022;中国建筑材料科学研究院,北京,100024 |
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| 基金项目： | 国家自然科学基金资助项目(50408004) |
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| 摘 要： | 针对混凝土开裂的原因,研究了一种GT混凝土抗裂剂,以达到改善混凝土的抗裂性能同时避免或减轻混凝土开裂的目的.GT抗裂剂是由CSA高效膨胀剂与聚合物按一定比例复合而成的.研究了掺加GT高效抗裂剂胶砂试件的力学性、胀缩性等与抗裂相关的性能.结果表明,GT抗裂剂是一种比较理想的抗裂材料,对抑制砂浆开裂效果显著.
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| 关 键 词： | 膨胀剂 胀缩性 抗裂剂 |
| 文章编号： | 0254-0037(2007)02-0166-04 |
| 收稿时间： | 2005-10-21 |
| 修稿时间： | 2005-10-21 |
Study of the Performance of GT Anti-cracking Agent |
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| LU Yong-hua, SHAO Yun-da, ZHANG Pu, XIANG Dao-yang, ZHANG Li-jun. Study of the Performance of GT Anti-cracking Agent[J]. Journal of Beijing University of Technology, 2007, 33(2): 166-169. |
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| Authors: | LU Yong-hua SHAO Yun-da ZHANG Pu XIANG Dao-yang ZHANG Li-jun |
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| Affiliation: | 1. College of Arehiteeture and Civil Engineering, Beijing University of Technology, Beijing 100022, China; 2. China Building Material Since Academe, Beijing 100024, China |
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| Abstract: | Allusion to the crack of concrete, the authors studied on GT anti-cracking agent to improve the character of anti-cracking or release the crack of the concrete. GT anti-cracking agent is a novel concrete anticracking agent made of CSA high efficiency expansive agent and polymer at a certain ratio. Experiments have been done to investigate the anti-cracking related properties such as the mechanical properties, shrinkage, expansion, early age shrinkage of the mortar specimens with the addition of GT anti-cracking agent. The results demonstrat that GT anti-cracking agent is an optimistic anti-cracking material and has a remarkable effect on suooressing the cracks of cement mortar. |
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| Keywords: | expand agent character of shrinkage and expansion anti-cracking agent |
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