盘间距对双盘桩抗拔能力影响模型试验研究(英文) |
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作者姓名: | 孙涛 崔新壮 孙彦峰 韩若楠 MA Rui-jin 杨俊杰 王艺霖 常玉军 |
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作者单位: | 1. School of Earth Science and Engineering,Shandong University of Science and Technology;2. School of Civil Engineering,Shandong University;3. Shandong Yellow River Reconnaissance Design & Research Institute;4. University of Redlands;5. School of Environmental Science and Engineering,Ocean University of China;6. Ruiyuan Engineering Group Co.,Ltd. |
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基金项目: | Project(51778346) supported by the National Natural Science Foundation of China;;Project(2019GSF111007) supported by the Key Research and Development Project of Shandong Province of China;;Project(ZR201808040034) supported by the Natural Science Foundation of Shandong Province of China; |
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摘 要: | 为优化设计盘间距,本文采用不同盘间距比值的双盘桩模型对其进行抗拔能力试验。使用有限元数值模拟对双盘桩上拔期间桩周土的破坏进行评价。试验结果表明,当盘间距比值为6或8时双盘桩的抗拔力达到峰值;当盘间距比值小于6时,上盘比下盘承担更多荷载;当盘间距大于8时,下盘承担更多荷载。
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关 键 词: | 双盘桩 盘间距优化 抗拔能力 模型试验 砂土地基 |
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