| 混凝土砌块砂浆与钢筋粘结锚固性能可靠度分析 |
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| 引用本文： | 迟洪艳,胡岩.混凝土砌块砂浆与钢筋粘结锚固性能可靠度分析[J].混凝土,2006(2):28-30. |
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| 作者姓名： | 迟洪艳 胡岩 |
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| 作者单位： | 1. 辽宁铁岭发电厂,辽宁,铁岭,112000
2. 沈阳建筑大学,辽宁,沈阳,110015 |
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| 摘 要： | 分析了拉拔试验结果考虑砂浆的劈拉强度和相对锚固长度的影响，利用最小二乘法统计回归，得出光圈钢筋的特征强度值的回归公式。并在拉拔试验结果的基础上根据粘结锚固的极限状态方程和可靠度指标进行可靠度分析，验证了《砌体结构设计规范》GB50003—2001中关于配筋砌块砌体结构灰缝中钢筋锚固长度规定的安全性。最后，提出了钢筋在混凝土砌块砂浆中锚固长度的设计建议，为配筋砌块砌体灰缝中钢筋的锚固长度的确定提供了进一步的可靠依据。
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| 关 键 词： | 混凝土砌块砂浆 粘结锚固强度 锚固长度 可靠度指标 |
| 文章编号： | 1002-3550（2006）02-0028-03 |
| 收稿时间： | 2005-07-16 |
| 修稿时间： | 2005-07-16 |
Bounding anchorage performances of concrete block paste and steel bars |
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| CHI Hong-yan,HU Yan.Bounding anchorage performances of concrete block paste and steel bars[J].Concrete,2006(2):28-30. |
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| Authors: | CHI Hong-yan HU Yan |
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| Affiliation: | 1. Tiding Electricity Power Plant, Tiding 112000, China; 2. Shenyang Jianzhu University, Shenyang 110168, China |
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| Abstract: | It analyzed the draw test results considering the effects of paste split strength and comparative anchorage length,the least square method is used to calculate the regression and get the regression formula on round bars featured strength values.Reliability is analyzed by the bond anchorage limit formula and reliability indexs,and the steel anchorage length security in the mortar joint on GB50003-2001 "Block structural design rules" is validated. |
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| Keywords: | concrete block paste bond anchorage strength anchorage length reliability index |
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