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1)  soft ground
软土地面
2)  soft soil foundation
软土地基
1.
Treatment method of soft soil foundation in high-grade highway;
浅谈高等级公路软土地基的处理方法
2.
Discussion on the settlement calculation method of treating soft soil foundation using sand drain preloading method;
谈砂井预压法处理软土地基的沉降量计算方法
3.
Analysis of the effect of geotextile in reinforcing soft soil foundation;
土工织物加固软土地基效果分析
3)  soft foundation
软土地基
1.
Analysis of action mechanism of treating soft foundation with vacuum preloading;
真空预压加固软土地基作用机理分析
2.
Disease and prevention of the pile foundation abutment displacement on the soft foundation;
软土地基下桩基桥台位移病害及防治
4)  soft ground
软土地基
1.
Application and analysis of DJM technology in the soft ground of large oil tank construction;
粉喷桩处理大型油罐软土地基实例及分析
2.
Discussion on application of preloading method in soft ground post construction settlement;
浅议预压法解决软土地基工后沉降
3.
Simulation of settlement of soft ground of highway by FLAC~(3D);
高速公路软土地基沉降的FLAC~(3D)数值模拟
5)  soft soil area
软土地区
1.
Analysis on pile foundation technology of multistory building in soft soil area
软土地区多层建筑的桩基设计技术分析
2.
Through one district project design practice,it makes the analysis and appraisal to get the compositing pile foundation design by using settlement control methods in soft soil area,discusses the common action principles of pile,soil,and cushion cap,to supply reference to the design of pile foundation in similar area after.
通过某一小区工程设计实例,对在软土地区用沉降控制方法进行复合桩基础设计进行了分析和评价,探讨了桩、土和承台共同作用的机理,以便今后在同类地区进行桩基设计时参考借鉴。
3.
The paper desribes how to choose a reasonable supporting design and earth excavation plan for garanteeing not only safety and reasonable,but also ecenomic construction,com- bined with enginening practice,some problems in foundation pit supporting and earth excavation process in soft soil area are analysed and a lot of beneficial results h.
本文结合工程实例对软土地区基坑支护及土方开挖过程中出现的一些问题进行了初步的分析并得出一些有益的结论。
6)  soft soil ground
软土地基
1.
Deformation behavior of soft soil ground under explosive loading;
爆炸荷载作用下软土地基的变形特性
2.
Finite element analysis of road widening on soft soil ground;
软土地基上路基加宽的有限元分析
3.
Discussion on serviceability of soft soil ground engineering characteristic and ground processing method;
软土地基工程特性与地基处理方法适用性讨论
补充资料:软土地区筑路
      软土系指近代水下沉积的饱和粘性土,其天然含水量接近或大于液限、孔隙比接近或大于 1、渗透系数接近或小于10-6厘米/秒。软土地层的压缩性大、抗剪强度低。在软土地区修筑的路堤将发生长期缓慢的下沉。在下沉过程中软土逐渐发生一定程度的固结,强度逐渐提高,但其固结过程相当长,如果在短期内填筑路堤的高度超过软土地基所能承受的极限高度时,路堤将丧失稳定而发生坍滑。
  
  软土地基上的路堤极限高度约为5.14C/γ,式中C为软土的粘聚力,γ为容重。当需要修筑的路堤高度大于极限高度时,必须采取措施以保证基底稳定。稳定措施的选择,应根据软土成因类型、物理力学性质、层厚及其成层情况、路堤高度、施工期限以及机具材料等具体条件,进行分析比较决定。可供选择的措施有:换土(见换土法、抛石挤淤、爆破排淤、砂井、反压护道等。
  
  砂井(见预压法)是按一定间距作孔、孔内灌砂以形成砂井,配合分阶段加荷预压,以达到缩短渗流途径加速地基固结的有效措施。在软土深厚,路堤较高而施工期间又较紧迫,采用其他简易加固方法不能满足设计要求时,常采用砂井。
  
  反压护道是在路堤两侧填筑适当厚度与宽度的护道,利用护道的重量以平衡地基受压后向两侧挤出和隆起的趋势。当需要修筑的路堤高度大于极限高度不多时(一般不大于极限高度的1卭倍),可以采用。
  

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