The application and working principle of down-hole dynamic compaction(DDC) in ground treatment of thick loess collapsible under overburden pressure is described,compared with cushion,dynamic compaction,earth pile and lime soil pile based on the analysis of a ground treatment project in the northwest of Shanxi Province.
本文结合晋西北大厚度Ⅲ级自重湿陷性黄土地区地基处理实例,进行了垫层法、强夯法、预浸水法和挤密法等多种地基处理方案的比较,详细地阐述了DDC工法的作用机理、设计方法、施工工艺及其在大厚度自重湿陷性黄土场地中的应用。
The mechanism of both deep mixing and jet grouting methods used for improving the foundation of self weight collapse loess is discussed and the bearing capacity analysis method of that foundation improved by them is presented as well.
就深层搅拌法和旋喷注浆法加固自重湿陷性黄土地基的机理和加固后地基承载力的确定方法进行了探讨，认为其加固作用主要是通过桩体将基础的全部荷载传递给位于深层处的非湿陷性土层，加固过程中，桩间土基本没有得到改善。
Foundation treatment method,treatment thickness and residual collapse settlement of collapse loess with large thickness are hot issues in engineering design in loess areas.
大厚度自重湿陷性黄土的地基处理方法、处理深度以及合理控制剩余湿陷量等是黄土地区工程设计中的难点、热点问题。
Taking the foundation treatment work of flume in the eight main canal of irrigation engineering for help poverty in Ningxia the design principles of self-weight collapse loess foundation are elaborated.
以宁夏扶贫扬黄灌溉一期固海扩灌八干渠工程渡槽的基础处理为例 ,阐述了自重湿陷性黄土地基桩基设计原则依据 ,对计算中的一些问题提出认
Immersion Test of Test Pit at Self Weight Collapsible Loess Site
自重湿陷性黄土场地的试坑浸水试验
Experiment Study on the Piles in the Soggy Field of Loess Collapsible under Overburden Pressure
自重湿陷性黄土场地桩基浸水荷载试验研究
The Road Subbase Treatment Design in Self-Collapsible Loess Area
Ⅲ级、Ⅳ级自重湿陷性黄土地区道路地基处理设计
Experamentil study on horizontal bearing capacity of long-pile in Ⅳ class collapsible loess region
Ⅳ级自重湿陷性黄土场地长桩竖向承载力试验研究
Experimental study on horizontal bearing capacity of long-pile in Ⅳ class collapsible loess region
Ⅳ级自重湿陷性黄土场地长桩水平承载力试验研究
Pre-Inundation Treatment on Gravity Collapsibility Loess with More Thickness at NO.11 Pump Station of the Project of Pumping Water from the Yellow River for Helping the Poor in Ningxia Autonomous Region;
宁夏扶贫扬黄工程十一泵站大厚度自重湿陷性黄土预浸水处理技术的研究
Count and Study on the Collapsible and Negative Friction of Pile in Collapsible Loess Region;
湿陷性黄土地基桩基湿陷负摩擦力计算与研究
The Study of Embankment Consolidation Experiment in Loess and Collapsible Loess Area;
黄土与湿陷性黄土地区路基加固试验研究
Code for building construction in collapsible loess zone
湿陷性黄土地区建筑规范
Study on Loess Collapsibility Based on Data Mining;
基于数据挖掘技术的黄土湿陷性研究
Study on Optimization of Deep Excavation in the Collapsible Loess Area;
湿陷性黄土深基坑支护结构优化研究
Highway Drainage Techniques in Collapsible Loess Areas;
湿陷性黄土地区公路防排水技术研究
Discussion about the Collapsibility of Recently Deposited(Q_4~2) Loess in Jinan;
试论济南新近堆积(Q_4~2)黄土的湿陷性
The Bearing Sheet Design of Precast Concrete Pile in Collapsible Loess;
湿陷性黄土地基中预制桩承台板设计
Study on Collapsibility Evaluation Method of Loess in Roadbed
公路路基黄土的湿陷性评价方法研究
Selection of foundation treatment method in collapsible loess area
湿陷性黄土地区地基处理方法的选择
Subgrade loess collapsibility before and after low level tamping
低能级强夯前后路基黄土湿陷性研究
Study on the prediction of loess collapsibility based on feature selection
基于特征选择的黄土湿陷性预测研究