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PLASTIC SHRINKAGE AND DEEP CRACK FORMATION IN RCC STRUCTURES OWING TO EXCESS BLEEDING IN CONCRETE AND REMEDIAL MEASURES THEREOF
| 题名： | PLASTIC SHRINKAGE AND DEEP CRACK FORMATION IN RCC STRUCTURES OWING TO EXCESS BLEEDING IN CONCRETE AND REMEDIAL MEASURES THEREOF |
| 其他题名： | 1.ASTM:C232-99:Standard Test Methods for Bleeding of Concrete. |
| 正文语种： | 英文 |
| 作者： | Dhruba Jyoti Bhattacharya |
| 关键词： | shrinkage；identification；crac；ncre；rete；technology；structure；shall；concept；surface |
| 摘要： | Cracks in concrete are very common phenomena but it is one of the major causes which deteriorate the quality of concrete. Concept of this paper shall be limited to formation of deep cracks owing to "Plastic Shrinkage", which occurs only prior to hardening of concrete. In general "Plastic Shrinkage" cracks are formed on surface of concrete due to inadequate curing, adverse weather etc. But our basic discussion in the paper shall be on the same "Plastic Shrinkage" cracks, but not due to inadequate curing or adverse weather etc. It is due to excess bleeding in concrete, which results deep cracks, not surface cracks, in concrete. The this aspect is being explained hereinafter with an example of occurrence at one Bridge Project site with requisite remedial measures. Concept of this paper is to share the technology with experiences for identification of such type of cracks and properly devise method of rectifications as well as for taking precautions in future concreting. |
| 出版年： | 2018 |
| 论文唯一标识： | I-75Y2018V46N08005 |
| 英文栏目名称： | Technical Papers |
| 期刊名称： | Indian Highways |
| 拼音刊名(出版物代码)： | I-75 |
| 卷： | 46 |
| 期： | 08 |
| 页码： | 29-37 |
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