TENSILE FRACTURE AND FATIGUE OF CEMENT-STABILIZED SOIL

Portland cement-stabilized soil is widely used as a base material for roads, airfields, and similar structures. Cracking in this material is studied using fracture mechanics concepts. Fracture toughness in the form of the plane strain stress intensity factor and in the form of the J-integral are used as primary descriptors in the study. A simple power law is used in the case of fatigue loading to describe the relationship between the change in crack length per load cycle and the fluctuation in the stress intensity factor. An increase in static toughness occurs with an increase in strength and this relationship is explained. Physical models are developed that define the relationship between the physical and chemical nature of the material and its engineering usage. These relationships consider cement content, compactive effort, and fracture toughness. Initial results and future requirements for relationships between creep and fatigue and between static toughness and fatigue are discussed.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/oclc/8674831
• Corporate Authors:

  American Society of Civil Engineers

  345 East 47th Street
  New York, NY  United States  10017-2398
• Authors:
  • Crockford, W W
  • Little, D N
• Publication Date: 1987-9

Media Info

• Features: Appendices; Figures; References; Tables;
• Pagination: p. 520-537
• Serial:
  • Journal of Transportation Engineering
  • Volume: 113
  • Issue Number: 5
  • Publisher: American Society of Civil Engineers
  • ISSN: 0733-947X
  • Serial URL: https://ascelibrary.org/journal/jtepbs

Subject/Index Terms

• TRT Terms: Cement content; Cement treated soils; Compaction; Creep; Fracture mechanics; Fracture properties; Mechanical fatigue; Mechanical strain; Soil cement; Statics; Stresses; Tension; Toughness
• Uncontrolled Terms: Plane strain; Stress intensity factor
• Old TRIS Terms: Static toughness; Tensile fracture
• Subject Areas: Geotechnology; Highways; I42: Soil Mechanics;

Filing Info

• Accession Number: 00472689
• Record Type: Publication
• Report/Paper Numbers: Paper No. 21812
• Files: TRIS
• Created Date: Aug 31 1987 12:00AM