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| 后张预应力钢绞线张拉伸长值超标的处理探讨 | |
| 引用本文： | 周翰斌 庄宏斌. 后张预应力钢绞线张拉伸长值超标的处理探讨[J]. 辽宁交通科技, 2005, 0(7): 65-67 |
| 作者姓名： | 周翰斌 庄宏斌 |
| 作者单位： | 中港四航局第一工程公司,广州510500 |
| 摘 要： | 针对大跨、多跨桥梁节段式施工时，经常会遇到预应力钢绞线的实际伸长值超过允许偏差，特别是负偏差超标的问题，提出了解决负偏差超标问题的二次张拉工艺，可为类似预应力工程施工中参考。 |
| 关 键 词： | 预应力钢绞线 张拉工艺 伸长值 张拉伸长值 超标问题 后张 多跨桥梁 允许偏差 工程施工 负偏差 |
Approach to Treatments of Strand Extensibility Exceeding Standard at the Time of Post-tensioned Prestressing Strand Stretching |
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| Zhou HanBin;Zhuang HongBin. Approach to Treatments of Strand Extensibility Exceeding Standard at the Time of Post-tensioned Prestressing Strand Stretching[J]. Liaoning Communication Science and Technology, 2005, 0(7): 65-67 | |
| Authors: | Zhou HanBin Zhuang HongBin |
| Abstract: | The actual extensibility of prestressing strand exceeds of ten allowable deviation, particularly the minus deviation exceeds standard during segmental construction of long-span and multi- span bridges, thereby the paper presents the double stretching technology for solving the minus deviation exceeding standard, which may be used for reference of professions. |
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