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| 剪胀角对静压桩挤土效应的影响分析 |
| Influence Analysis of the Angle of the Dilatancy on Compacting Effect of Jacked Pile |
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| DOI：10.3969/j.issn.1671-5322.2007.04.019 |
| 中文关键词: 剪胀角 静压桩 挤土效应 |
| 英文关键词: character of dilatancy jacked pile compacting effect |
| 基金项目: |
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| 中文摘要: |
| 采用数值方法模拟和计算了不同剪胀角情况下的静压桩挤土效应,分析了土的剪胀性对沉桩挤土位移场和应力场的影响,讨论了相关联流动法则(φ=Ψ)和非相关联流动法则(Ψ=0)在运用于沉桩挤土效应上的差异.通过算例分析表明,沉桩挤土的位移场和应力场的影响范围随剪胀角的增大而增大. |
| 英文摘要: |
| Based on the numerical method,the compacting effects of jacked pile in cases of different angles of the dilatancy were simulated and calculated.The effects of displacement fields and stress fields caused by the significant of dilatancy character were analyzed and the differences of compacting effects of jacked pile between the associative flow criterion and non-associate flow criterion were discussed.The results of the example show that effective influence scopes of displacement fields and stress fields are increased when the angle of the dilatancy is increased. |
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