| 后张法预应力混凝土空心板梁施工技术 |
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| 引用本文： | 高亚荣,刘作华.后张法预应力混凝土空心板梁施工技术[J].交通科技与经济,2009,11(4):85-86,89. |
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| 作者姓名： | 高亚荣 刘作华 |
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| 作者单位： | 1. 牡丹江公路桥梁建设有限责任公司,黑龙江,牡丹江,157000
2. 黑龙江省广通公路工程有限公司,黑龙江,哈尔滨,150028 |
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| 摘 要： | 分析后张法预应力空心板梁在施工中常遇到的问题，并提出解决这些问题的方法。通过采用混凝土二次浇筑、定位横杠以及橡胶芯模去除粘结力的方法，可以克服后张法施工后构件产生微裂纹、钢筋剩余应力、混凝土结合不密实以及橡胶芯模抽出过程中损坏等问题。
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| 关 键 词： | 后张法 空心板梁 施工技术 橡胶芯模 |
Post-tensile Prestressed Hollow Plate Beam in Construction Technology |
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| GAO Ya-rong,LIU Zuo-hua.Post-tensile Prestressed Hollow Plate Beam in Construction Technology[J].Technology & Economy in Areas of Communications,2009,11(4):85-86,89. |
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| Authors: | GAO Ya-rong LIU Zuo-hua |
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| Institution: | 1.Mudanjiang Road and Bridge Construction Co. Ltd.;Mudangjiang 157000;Heilongjiang;China;2.HLJ Guangtong Road Engineering Co. Ltd.;Harbin 150028;China |
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| Abstract: | The paper puts forward the common questions of post-tensile prestressed hollow plate beam in construction,and proposes solutions to these problems.The problems mainly include component emerged micro-cracks after constrution,steel bar remnant stress,concrete combined with non-compacting and mould board of rubber injured during extraction or others. The solutions are secondary concrete pouring,positioning pry and getting rid of adhesive force of core mold of rubber. |
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| Keywords: | post-tensioning method hollow plate beam construction technology rubber mold |
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