| 灌浆材料结冰压的影响因素 |
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| 引用本文： | 杨钱荣,杨全兵.灌浆材料结冰压的影响因素[J].低温建筑技术,2006(4):4-6. |
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| 作者姓名： | 杨钱荣 杨全兵 |
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| 作者单位： | 同济大学先进土木工程材料教育部重点实验室,上海,200092 |
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| 摘 要： | 研究了养护温度、时间及泌水率对灌浆材料结冰压的影响。结果表明:养护温度和时间对结冰压有重要影响,灌浆材料在15℃下养护24h或5℃下养护40h,结冰压有较大幅度的降低。提高养护温度或掺加引气剂可降低灌浆材料的泌水率。在养护早期,灌浆材料的泌水率与结冰压有较好的相关性。
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| 关 键 词： | 灌浆材料 结冰压 养护 泌水率 |
| 文章编号： | 1001-6864（2006）04-0004-03 |
| 收稿时间： | 2006-04-28 |
| 修稿时间： | 2006年4月28日 |
STUDY ON THE EFFECTS ON ICE- FORMATION PRESSURE OF GROUT |
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| YANG Qian-rong,YANG Quan-bing.STUDY ON THE EFFECTS ON ICE- FORMATION PRESSURE OF GROUT[J].Low Temperature Architecture Technology,2006(4):4-6. |
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| Authors: | YANG Qian-rong YANG Quan-bing |
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| Affiliation: | Key Laboratory of Advanced Civil Engineering Materials of Education Ministry, Tongji University, Shanghai 200092, China |
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| Abstract: | The effects of curing time, temperature and bleeding capacity on ice-formation pressure of grout were studied. The results showed that curing time and temperature have significant effects on ice-formation of grout. The ice-formation pressure of grout decreased substantially when they were cured at 15℃ for 24 hours or at 5℃ for 40 hours. Higher curing temperature and addition of air-entrained agent could decrease bleeding capacity of grout effectively. At the early stage of curing, the bleeding capacity and ice-formation pressure of grout were related to each other. |
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| Keywords: | grout ice-formation pressure curing bleeding capacity |
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