Analysis of soil-reinforcement interaction in reinforced soil beds

A reinforced soil bed is a composite material composed of stiffer materials called 'reinforcement' embedded in the soil bed. Reinforcement inclusion in a soil bed results in a significant improvement in bearing capacity and in reduced settlement. As a result, soil reinforced with strips, fabrics, sheets, grids, and cells has become commonplace. Research is being carried out worldwide to study the effect of reinforcing elements in soil beds. The current paper describes an attempt to understand the changes broughtabout by the inclusion of reinforcement inside the soil system in terms of altered stresses and displacements at different increments of loading. The investigation uses the finite-element technique for the analysis and consists of a study of: nodal displacement vectors; deformed meshes; and failure initiation and progression. Based on the results of the above analysis, an attempt is made to understand clearly how the stiffer reinforcement enhances the load-carrying capacity, restricting the settlement. Results of the analysis are presented by means of illustrations between unreinforced soil beds and reinforced soil beds.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/17550750
• Authors:
  • RAGHAVENDRA, H B
• Publication Date: 2008-2

Language

• English

Media Info

• Pagination: 9-15
• Serial:
  • PROCEEDINGS OF THE INSTITUTION OF CIVIL ENGINEERS: GROUND IMPROVEMENT
  • Volume: 161
  • Issue Number: GI1
  • ISSN: 1755-0750

Subject/Index Terms

• TRT Terms: Bearing capacity; Finite element method; Geotextiles; Ground settlement; Material reinforcement; Prevention; Soil stabilization
• ITRD Terms: 3085: Bearing capacity; 6490: Finite element method; 4568: Geotextile; 9149: Prevention; 9111: Reinforcement (gen); 5792: Settlement; 3689: Soil stabilization
• Subject Areas: Geotechnology; Security and Emergencies; I42: Soil Mechanics; I51: Earthworks and Soil Drainage;

Filing Info

• Accession Number: 01090022
• Record Type: Publication
• Source Agency: Transport Research Laboratory
• Files: ITRD
• Created Date: Mar 17 2008 10:37AM