| 预制混凝土结构插入式预留孔灌浆钢筋锚固性能 |
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| 引用本文： | 姜洪斌,张海顺,刘文清,阎红缨. 预制混凝土结构插入式预留孔灌浆钢筋锚固性能[J]. 哈尔滨工业大学学报, 2011, 43(4): 28-31,36 |
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| 作者姓名： | 姜洪斌 张海顺 刘文清 阎红缨 |
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| 作者单位： | 哈尔滨工业大学土木工程学院;哈尔滨工业大学土木工程学院;天津大学建筑工程学院;黑龙江宇辉建设集团;黑龙江宇辉建设集团 |
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| 摘 要： | 为研究预制混凝土结构的钢筋连接方法,设计制作了81个预制混凝土插入式预留孔灌浆钢筋锚固拉拔试件,考虑钢筋直径、混凝土强度、锚固长度等主要影响参数.连续加荷拉拔试验结果表明:灌浆锚固试件的最终破坏状态都是外部钢筋屈服或被拉断,没有发生异常锚固破坏,而且在基本锚固长度基础上分别减小为0.9、0.8倍时还有较大安全储备.根据...
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| 关 键 词： | 住宅产业化 预制混凝土结构 装配式结构 钢筋锚固搭接 粘结滑移 |
Experimental study on plug-in filling hole for steel bar anchorage of the PC structure |
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| JIANG Hong-bin,ZHANG Hai-shun,LIU Wen-qing and YAN Hong-ying. Experimental study on plug-in filling hole for steel bar anchorage of the PC structure[J]. Journal of Harbin Institute of Technology, 2011, 43(4): 28-31,36 |
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| Authors: | JIANG Hong-bin ZHANG Hai-shun LIU Wen-qing YAN Hong-ying |
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| Affiliation: | 1.School of Civil Engineering,Harbin Institute of Technology,150090 Harbin,China,2.School of Civil Engineering,Tianjin University,300072 Tianjin,China;3.Heilongjiang YUHUI Construction Group,150090 Harbin,China) |
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| Abstract: | To study the connection method between reinforced bars of the precast concrete(PC) structure,81 plug-in filling hole for lap-joint of steel bar sample tests were made,and the main factors,such as reinforced bar diameter,concrete strength and anchorage length etc.were considered during the tests.The test results indicated that the ultimate failure state of all the anchoring specimens were the external reinforced bar yielding or broken up by pulling,and the abnormal anchorage was not destroyed.When the basic anchoring length was reduced by 10% or even 20%,specimens still showed enough safety.Based on this,the basic anchoring length of plug-in filling hole for lap-joint of steel bar can be given as 0.8 la. |
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| Keywords: | housing industrialization precast concrete structure assembly structure reinforcement anchorage & lapping bond-slip behavior |
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