| GFRP抗浮锚杆在基础底板中的锚固性能现场试验研究 |
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| 引用本文： | 朱磊,张明义,白晓宇,王永洪,赵天杨.GFRP抗浮锚杆在基础底板中的锚固性能现场试验研究[J].土木建筑与环境工程,2017,39(2):107-114. |
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| 作者姓名： | 朱磊 张明义 白晓宇 王永洪 赵天杨 |
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| 作者单位： | 1. 青岛理工大学土木工程学院,山东青岛,266033;2. 青岛理工大学土木工程学院,山东青岛266033;青岛理工大学蓝色经济区工程建设与安全协同创新中心,山东青岛266033 |
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| 基金项目： | 国家自然科学基金，山东省自然科学基金，山东省高等学校科技计划，青岛市应用基础研究计划(16-5-1-39-jch)National Natural Science Foundation of China，Natural Science Foundation of Shandong Province，Higher Educational Science and Technology Program of Shandong Province，Applied Basic Research Programs of Qingdao |
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| 摘 要： | 通过现场拉拔破坏性试验,测得不同直径的GFRP抗浮锚杆在基础底板内的极限承载力和滑移量,并与实际工程中不同形式的钢筋抗浮锚杆作比较,分析其承载性能和粘结特性。研究表明,在相同的混凝土强度与养护条件下,相同直径的GFRP抗浮锚杆的极限承载力、平均粘结强度与钢筋抗浮锚杆相比较高,且GFRP抗浮锚杆的变形能够满足实际工程需求,充分验证了GFRP材料用作抗浮锚杆的先进性与合理性。基于试验结果与理论分析,给出了GFRP抗浮锚杆与基础底板的最佳锚固面积,并提出了计算公式。
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| 关 键 词： | GFRP抗浮锚杆 承载力 锚固性能 最佳锚固面积 平均粘结强度 |
| 收稿时间： | 2016/7/19 0:00:00 |
Field test on anchorage performance of GFRP anti-floating anchors in foundation slab |
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| Zhu Lei,Zhang Mingyi,Bai Xiaoyu,Wang Yonghong and Zhao Tianyang.Field test on anchorage performance of GFRP anti-floating anchors in foundation slab[J].土木建筑与环境工程,2017,39(2):107-114. |
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| Authors: | Zhu Lei Zhang Mingyi Bai Xiaoyu Wang Yonghong and Zhao Tianyang |
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| Affiliation: | School of Civil Engineering, Qingdao Technological University, Qingdao 266033, Shandong, P. R. China,School of Civil Engineering, Qingdao Technological University, Qingdao 266033, Shandong, P. R. China;Collaborative Innovation Center of Engineering Construction and Safety in Shandong Blue Economic Zone, Qingdao Technological University, Qingdao 266033, Shandong, P. R. China,School of Civil Engineering, Qingdao Technological University, Qingdao 266033, Shandong, P. R. China;Collaborative Innovation Center of Engineering Construction and Safety in Shandong Blue Economic Zone, Qingdao Technological University, Qingdao 266033, Shandong, P. R. China,School of Civil Engineering, Qingdao Technological University, Qingdao 266033, Shandong, P. R. China and School of Civil Engineering, Qingdao Technological University, Qingdao 266033, Shandong, P. R. China |
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| Abstract: | Through spot pull-out destructive test,ultimate bearing capacity and slippage in the foundation slab of GFRP anti-floating anchors with different diameter were monitored.Compared with some kinds of steel anti-floating anchors in the actual engineering,their bearing performance and bond behavior were analyzed.The results showed that under the same strength and curing condition of the concrete,ultimate bearing capacity of GFRP anti-floating anchor was larger than steel anti-floating anchor with same diameter,the average bond strength between GFRP anti-floating anchor and foundation slab was higher than the steel anti-floating anchor,moreover the deformation of GFRP anti-floating anchor can meet the engineering requirements,all of those fully verify that GFRP material as an anti-floating anchor was advanced and reasonable.Based on the experimental results and theoretical analysis,the best anchoring area between GFRP anchor and foundation slab was determined,the computational formula was proposed. |
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| Keywords: | GFRP anti-floating anchor bearing capacity anchorage performance the best anchoring area the average bond strength |
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