| 后张拉预应力砼构件质量缺陷原因及预控措施 |
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| 引用本文： | 郑奋. 后张拉预应力砼构件质量缺陷原因及预控措施[J]. 福建建设科技, 2007, 0(4): 37-39 |
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| 作者姓名： | 郑奋 |
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| 作者单位： | 福建省中福工程建设监理有限公司,福州,350001 |
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| 摘 要： | 本文针对预孔道塌陷、堵塞,镦头锚具内浸入砼浆,孔道位置不正,张拉伸长值不符,预应力钢筋过长或过短,无黏结预应力砼磨擦阻力损失大,张拉端预埋铁件不平整,电热张拉预应力值不准确,承压部位局部砼破坏,孔道灌浆不通畅和不密实,孔道和锚固区及端面裂缝等后张预应力砼构件的质量缺陷,深入分析了质量缺陷原因及预制措施。
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| 关 键 词： | 预应力 质量缺陷 原因分析 预控措施 |
| 收稿时间： | 2007-04-29 |
| 修稿时间： | 2007-04-29 |
The quality defects and precautionary measures of post-prestressed concrete component |
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| Zheng Fen. The quality defects and precautionary measures of post-prestressed concrete component[J]. Fujian Construction Science & Technology, 2007, 0(4): 37-39 |
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| Authors: | Zheng Fen |
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| Abstract: | Aimed at the sink,jam and malposition of the prechannel,unconformity of strech length,excessive length of prestress reinforcing steel bar and others quality defects of post-prestressed concrete,this paper thoroughly analyze the reason of the quality defects and put forword some precauticnary measures. |
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| Keywords: | prestress quality defects analysis of the reason precautionary measure |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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