采用动力接触有限元法分析强夯中夯锤对地基土的冲击碰撞过程，建立动接触力与速度之间的接触关系式。
Uses dynamic contact FEM to analyze impact and collision of hammer to foundation soil in the dynamic compaction, establishes the contact relation between dynamic contact force and speed.
另外，作为一种能量可控的瞬态冲击荷载，强夯施工可以作为一个可控的土动力学原位试验。
On the other hand, as an instant impact load with controllable energy, dynamic compaction is a good test in-situ for the study of soil dynamics.
通过深入分析土的固结理论和震动波压密理论，对填土的强夯机理进行了探讨，提出了加固填土的一些观点。
By deeply analyzing soil's consolidation theory and shock wave theory, it discusses dynamic consolidation mechanism of filling-up soil and putting forward some opinions of reinforcing filling-up soil.
夯扩桩在成桩过程中会产生挤土效应。
Compacting effect is caused in forming process of ramming expanded piles.
证明采用低能量强夯加固软土是可行的，关键是要设置有效的排水系统。
It shows that the application of low-energy dynamic consolidation in soft ground stabilization is feasible and the key point is the placement of effective drainage system.
强夯法是深层密实法的一种，是一种将几十吨的重锤，从几十米的高空落下，对土进行强力夯击的方法。
Dynamic compaction is a kind of deep compaction, it is a kind of method that tens tons of heavy hammers from tens of metres to consolidate soil.
夯击过程中，夯点周边地基土存在局部大变形现象。
There is local large deformation in the peripheral foundation soil of the compacting spots.
本文采用动力接触有限元法分析了强夯对地基土的冲击碰撞过程。夯击过程中，夯点周边地基土存在局部大变形现象。
This paper uses dynamic contact FEM to analyze impact and collision course of dynamic compaction to foundation soil.
为了解决强夯时产生的超孔隙水压力问题，提出了加固饱和粉土、粉质粘土地基的强夯碎石桩法。
Based on the problems of the saturated silt foundation, authors analyze the failure cause of dynamic consolidation on saturated soft foundation in the past.
土的动力固结（强夯法）是加固地基的一种方法。
Dynamic consolidation (heavy tamping) is one of recent methods for foundation, improvent.
从施工结果看，采用强夯置换法处理车河站斜坡软土操作容易，效果明显。
According to the construction results, it is easy to treat the slope soft soil at the Chehe station with heavy-tamping replacement method and its effects are obvious.
从施工结果看，采用强夯置换法处理车河站斜坡软土操作容易，效果明显。
According to the construction results, it is easy to treat the slope soft soil at the Chehe station with heavy-tamping replacement method and its effects are obvious.
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