The Application of Grouting Steel Pipe Piles in Soft Foundation Treatment

2021 ◽  
Vol 10 (05) ◽  
pp. 413-418
Author(s):  
斌 宋
Keyword(s):  
Steel Pipe ◽  
Foundation Treatment ◽  
Soft Foundation

scholarly journals Finite element analysis of soft foundation treatment by thermal drainage consolidation of group well

2020 ◽  
Vol 198 ◽  
pp. 03025
Author(s):  
Kang Le ◽  
Zhang tingjun ◽  
Tong Junhui ◽  
Chen Di ◽  
Qian Baoyuan
Keyword(s):  
Finite Element ◽  
Model Test ◽  
New Technology ◽  
Element Model ◽  
Element Analysis ◽  
Mechanical Field ◽  
Foundation Treatment ◽  
Soft Foundation ◽  
Consolidation Effect ◽  
The Finite Element Model

Thermal drainage consolidation method is a new technology of soft foundation treatment, which involves the coupling of thermo-hydro-mechanical field, and the action mechanism is complex. In this paper, taking the model test of thermal drainage consolidation as the prototype, the finite element model of thermal drainage consolidation is established by using Abaqus software, then, the numerical results are obtained and are compared with the results of model test, and the reliability of the numerical model is verified. The results show that when the applied load is constant, the higher the temperature is, the faster the consolidation speed of soil is, but with the increase of temperature, the consolidation effect of the same temperature difference will gradually weaken. In addition, the thermal drainage consolidation method can achieve the best treatment effect when the temperature of the soil reaches 60 ℃.

The Technology Innovation of Green Soft Ground Handling Based on Squeezing and Consolidation Composited

2014 ◽  
Vol 580-583 ◽  
pp. 2244-2248
Author(s):  
Jun Yi Shao ◽  
Xiao Zhang
Keyword(s):  
Life Cycle ◽  
Carrying Capacity ◽  
Soil Compaction ◽  
Environmental Load ◽  
Treatment Technology ◽  
Foundation Treatment ◽  
Soft Foundation ◽  
Ground Handling ◽  
Pump Pressure ◽  
The Cost

In this paper, we sorted soft foundation treatment technology by quantifying based on evaluation technique of life cycle environmental load and choose cement mixing pile which life-cycle environmental load is small and spiral pump pressure CFG pile which carrying capacity is high to integrate. It not only improved soil compaction effects, but also solved the problems of other technologies in the foundation process, such as low carrying capacity, reduced diameter, broken pile, virtual pile and so on. Besides, it has reduced the cost of the project and the application prospects are broad.

Application and Research on New Technology of Foam Lightweight Soil in Treatment of Soft Soil Foundation of Railway Engineering

2012 ◽  
Vol 204-208 ◽  
pp. 1622-1625 ◽  
Author(s):  
Zi Lin Li ◽  
Kai Feng Zhang
Keyword(s):  
New Technology ◽  
Soft Soil ◽  
Actual Application ◽  
Foundation Treatment ◽  
Soft Foundation ◽  
Depth Analysis ◽  
Depth Study ◽  
New Ideas ◽  
Soil Foundation ◽  
Soft Soil Foundation

Foam lightweight soil is a new type of material appearing in recent years, whose advantages are paid more and more attention to by engineers and it will have broad application prospect in the engineering. An in-depth study application of foam lightweight soil in the complex of railway soft soil foundation treatment what based on a railway foundation project in Tianjin, this paper discusses the actual application state of foam lightweight soil in handling of special railway soft soil foundation. Through in-depth analysis of the advantages of a foam lightweight soil, optimization of construction replacement thickness and moisture density, discussion on construction of it, we can find large advantages of foam lightweight soil as replacement material in the complex railway soft soil foundation treatment, and provide new ideas about processing complex soft foundation.

scholarly journals Design Method and Verification of Electroosmosis-Vacuum Preloading Method for Sand-Interlayered Soft Foundation

2020 ◽  
Vol 2020 ◽  
pp. 1-9
Author(s):  
Yunliang Cui ◽  
Jianbo Tu ◽  
Xinquan Wang ◽  
Hongguo Diao ◽  
Qianru Ge
Keyword(s):  
Design Method ◽  
Simulation Method ◽  
Electrical Circuit ◽  
Test Results ◽  
Vacuum Preloading ◽  
Foundation Treatment ◽  
Vertical Drain ◽  
Soft Foundation ◽  
Prefabricated Vertical Drain ◽  
Preloading Method

The design method of electroosmosis-vacuum preloading for soft foundation treatment is not systematic and complete, thereby restricting the application of the technology in engineering. A design method for the electroosmosis-vacuum preloading treatment of sand-interlayered soft foundation is therefore presented. A compressible electrical prefabricated vertical drain is developed, and a vacuum sealing and draining system is designed for the application of the electroosmosis-vacuum preloading in sand-interlayered soft foundation. Calculation formulas of site resistance considering the interlayer and interface resistivity of the electrode are established to design the power supply and electrical circuit. A simple numerical simulation method is proposed to predict the ground settlement treated by electroosmosis-vacuum preloading. A field test of electroosmosis-vacuum preloading is designed using the suggested method, and comparison tests between the electroosmosis-vacuum preloading and the vacuum preloading are performed to verify the proposed technique. The test results show that the proposed design method is reasonable for the design of electroosmosis-vacuum preloading in engineering.

The Experimental Research on the Bag-Grouting-Pile Composite Foundation in Coastal Soft Foundation Treatment

2013 ◽  
Vol 275-277 ◽  
pp. 1411-1414
Author(s):  
Dong Wang ◽  
Jia Cao
Keyword(s):  
Experimental Research ◽  
Soft Soil ◽  
Cost Effective ◽  
Horizontal Displacement ◽  
Composite Foundation ◽  
Soil Reinforcement ◽  
Treatment Technology ◽  
Ground Treatment ◽  
Foundation Treatment ◽  
Soft Foundation

As a new ground treatment technology, the bag-grouting-pile composite foundation is used in railway soft soil reinforcement. In this paper, the application effect of bag-grouting-pile in coastal soft foundation treatment was studied in this experimental research; the deep settlement and the deep horizontal displacement of embankment edge in bag-grouting-pile composite foundation are tested in the research. The results of research show that the bag-grouting-pile composite foundation is a cost-effective ground treatment technology using in coastal soft foundation treatment.

Reinforcement Technology of Cement Agitation Pile in the Highway Soft Foundation Treatment

2013 ◽  
Vol 329 ◽  
pp. 205-209
Author(s):  
Kai Chen
Keyword(s):  
Soft Soil ◽  
Construction Technology ◽  
Pressing Method ◽  
Treatment Methods ◽  
Deep Mixing ◽  
Replacement Method ◽  
Foundation Treatment ◽  
Soft Foundation ◽  
Mixing Method ◽  
Soil Distribution

There is the soft soil distribution mostly in the regions along the river or the sea in our country, so the soft foundation treatment shold be well done in building highways. With respect to the soft foundation treatment methods, the scholars, engineers and technicians home and abroad have put forward a dozen or more methods, such as replacement method, reinforcement method, top pressing method, sandstone pile method and deep mixing method etc.. This article discusses the reinforcement mechanism, construction technology and some proceedings requiring attention in the construction and detection of the cement agitation pile.

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