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1)  Piles deeply driven into the gound
深层搅拌土桩
2)  deep mixing pile
深层搅拌桩
1.
Research on support vector machine s prediction of bearing capacity of deep mixing pile composite foundation;
支持向量机在深层搅拌桩复合地基承载力预测中的应用研究
2.
Application of deep mixing pile with composite soil nailing wall;
深层搅拌桩复合土钉墙的工程应用
3.
Application of deep mixing piles to flyash foundation with pile experiments;
从试桩看深层搅拌桩在粉煤灰地基中的应用
3)  deep-mixing pile
深层搅拌桩
1.
Study on the bearing capacity of composite foundation of deep-mixing piles based upon BP network;
基于BP网络的深层搅拌桩复合地基承载力研究
2.
The application of deep-mixing pile in fill foundation;
深层搅拌桩在杂填土地基中的应用
3.
Design and construction of deep-mixing pile;
深层搅拌桩的设计与施工
4)  deep mixing piles
深层搅拌桩
1.
Application of deep mixing piles to the reinforcement of some residential building;
深层搅拌桩在某住宅楼地基加固中的应用
2.
The construction technology of deep mixing piles for reinforcing recent filling foundation;
深层搅拌桩加固新近填土地基施工技术
3.
Geotechnical centrifuge model tests of the retaining wall with deep mixing piles;
深层搅拌桩挡土墙土工离心模拟试验研究
5)  deep mixed pile
深层搅拌桩
1.
Application of stress-wave reflection method in testing integrity of deep mixed pile;
应力波反射法在深层搅拌桩检测中的应用
2.
This paper mainly introduces application of deep mixed pile,some conclusions are got in the period of pile s designing,construction,testing and effect.
本文通过工程试桩对深层搅拌桩在粉煤灰地基中的应用进行了探讨,论证了深层搅拌桩复合地基的设计、施工、检测及其处理效果。
3.
The scheme of deep mixed pile and bolting-shotcrete for retaining and protecting foundation excavation has been used according to actual conditions of project.
叙述了某大厦软弱基坑支护方案的设计过程,根据工程的实际情况,选择水泥深层搅拌桩与管锚联合支护的基坑支护方案,再进行必要的计算和验算,得到一个可行的高层建筑深基坑支护方案。
6)  deep stirring pile
深层搅拌桩
1.
The reinforcing method with deep stirring piles employs cement and raw lime powder as solidification agent, which are forcibly mixed with soft clay soil in the depth of foundation by deep stirring machine and create a compound foundation with certain strength as a result of a series of physical and chemical reaction during stirring.
深层搅拌桩加固法是利用水泥、生石灰粉作为固化剂,通过特制的深层搅拌机械,在地基深部与软粘土强制拌和,并利用固化剂与软土搅和过程中发生的一系列物理反应和化学反应,使该加固区域的地基硬结成具有一定强度的复合地基。
2.
Taking actual engineering as the example and according to geological exploration and analysis on, this paper determines the treating scheme of ground treatment with deep stirring pile, expounds its strengthening principle, design calculation and construction method.
以实际工程为例,根据地质勘测分析,确定了深层搅拌桩地基处理方案,阐述了加固原理、设计计算和施工方法,实践证明,深层搅拌桩可以快捷高效处理高速公路路基、桥涵的软弱地基,迅速提高地基承载力,适应连续施工要求。
3.
Based on the measured data of more than 100 deep stirring piles in a certain project, combined with static loading test on over 20 piles, this paper deals with the feasibility of using the reflection wave method to detect the completeness of the deep stirring pile body.
根据某工程100多根深层搅拌桩的实测资料,并结合20余根桩的静载试验结果,对反射波法检测深层搅拌桩桩身完整性的可行性进行了探讨。
补充资料:土桩挤密法
      按预定平面位置,采用沉管、冲击或爆破等方法成孔,然后在孔中填以素土(粘性土)或灰土,分层捣实,形成土桩。土桩与挤密后的桩间土组成复合地基,共同承受基础所传递的荷载。此法常用于处理湿陷性黄土地基、 杂填土地基和填土地基,处理深度一般为5~10米,最大处理深度可达15米以上。处理后的地基承载力一般提高50~100%。
  
  土桩(包括灰土桩)挤密地基的桩径、桩距和孔深通过试验求得。桩孔直径一般为30~50厘米,桩距(桩孔的中心距离S)约为桩孔直径的2~3倍,可按下式确定:
  
  
  
   式中d为土桩的设计直径;γd为地基挤密前,土的平均干容重;γ媁为地基挤密后,桩间土的平均干空重。
  
  桩孔宜按等边三角形的顶点布置。桩孔深度,可根据土中应力分布及下式确定:
  
  
  
  
    Pz+Pcz≤Ps式中Pz为土桩底标高处的附加压力;Pcz为土桩底标高处的土自重压力;Ps为土桩持力层土的湿陷起始压力或容许承载力。
  
  自50年代开始,中国应用土桩挤密法对西北地区某些建筑物的湿陷性黄土地基进行处理,获得了良好的技术经济效果。自70年代起,这种方法已用于民用建筑物的地基处理。用灰土桩挤密地基是60年代在土桩挤密法的基础上发展起来的,两者的作用和工艺、设备基本上相同。
  

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