挤密法用来加固地下水位以上地基是一种有效的方法,近年来,挤密法得到了广泛的应用。挤密桩是将带有管塞、活门或锥头的钢管压入或打入土中成孔并使土层挤密,然后往孔内投入灰土、砂石等填料形成的桩。挤密桩主要特点是不需要大挖大填,土方量少。其处理深度取决于成孔机械和施工技术的水平,一般合适的处理深度为5-15m。
大厚度湿陷性黄土_txt阅读版_第1页 -文档大全 关键词:大厚度,湿陷性,挤密桩,垫层 [gap=683]Key words: Large Thickness, Collapsible, Compaction pile, Cushion
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The reinforcement with lime-soil compaction pile can reduce the settlement after construction largely and shorten the settlement period. It also has an obvious function on the rapid stability of loess high-fill embankment.
最后,通过对灰土挤密桩加固前后深标及路面标的沉降监测,发现碎石桩处理后的淤泥质基底基本稳定,沉降量很小,路堤自身的沉降是工后沉降的主体,灰土挤密桩的加固很大程度的降低工后沉降量,缩短沉降期,对黄土高填方路堤的快速稳定作用明显。
参考来源 - 灰土挤密桩对黄土高填方路基的加固效果分析·2,447,543篇论文数据,部分数据来源于NoteExpress
用(灰)土挤密桩处理地基完全可以达到以土治土、节约成本的目的。
The method of treating loess with lime soil compaction pile is economical.
挤密桩法地基处理在电力工程中广泛应用,特别是灰土挤密夯扩桩法。
The foundation treatment of compaction pile method is applied in many power plant projects, especially lime-soil compaction-expansion pile method.
本文从理论上分析了生石灰—粉煤灰挤密桩硬化缓慢和强度低的原因。
The reason for low strength and hardening slowing of quick lime-coal ash extruding piles are analysed theoretically.
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