| 承台下摩擦倾斜桩工作性状分析 |
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| 引用本文： | 朱进军,邵勇,马庆华.承台下摩擦倾斜桩工作性状分析[J].煤田地质与勘探,2016,44(6):119-123. |
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| 作者姓名： | 朱进军 邵勇 马庆华 |
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| 基金项目： | 江苏省高职院校青年教师企业实践培训资助项目（2016QYSJ027）；住房和城乡建设部科技计划项目（2015-K3-023）；江苏省建设系统科技项目（2015ZD37） |
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| 摘 要： | 为了分析未经处理倾斜桩的承载力特性，以连云港海相软土地区为例，经过对倾斜桩的现场调查及实测数据的分析，建立了承台-倾斜桩体系数值模型，通过数值计算分析得到:桩体倾斜程度对承台-倾斜桩体系承载力的影响存在阀值，且桩体倾斜方向不同时其阀值也不同，当倾斜程度为4%之后承台-水平向倾斜桩的承载力有所降低，当倾斜程度为6%之后承台-垂直向倾斜桩的承载力有所降低，另外从位移及内力分析来看，桩体垂直向倾斜时的承台水平向位移及桩身弯矩较水平向倾斜时要小。
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| 关 键 词： | 桩基工程 倾斜群桩 承台 承载力 数值模拟 |
| 收稿时间： | 2015-12-15 |
Analysis on bearing capacity behavior of cap-inclined pile |
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| Abstract: | In order to analyze the bearing capacity characteristics of untreated inclined pile, Lianyungang marine soft soil areas was taken as example, through on-site investigation and analysis of measured data of inclined pile, numerical model of cap-inclined pile system was established. It was obtained through numerical calculation and analysis that there was a threshold for the influence of tilt degree on the bearing capacity of the cap-inclined pile system and the tilt direction of the pile affected its threshold, when the tilt was 4%, bearing capacity of horizontal inclined pile degresed to some extent, when the tilt was 6%, the bearing capacity of vertically inclined pile decreased to some extent. In addition, from analysis of displacement and internal force, the horizontal displacement and the bending moment of vertical inclined pile were smaller than that of horizontal inclined pile. |
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