STABILIZATION OF BASE COURSE MATERIALS

This report discussed the use of cement stabilization for granular bases and sub-bases. The static strength AS Measured in unconfined compression, or in tension, is influenced by compaction, air voids and cement and moisture content. Under repeated loading, lower strengths are obtained. Generally, granular bases achieve very high strengths when cement stabilized and while they are intact. The stiffness is of interest in design using elastic approaches, this may be related to static strength. Again, very high values are common, but these are for the material in the uncracked state. Breakdown of the material due to shrinkage or traffic stresses reduces the modulus to near the unstabilized value. Design approaches using conventional methods or substitution ratios are discussed. These are often unsatisfactory and there is need for a design approach which will account for the particular properties of these materials as they exist in the pavement. /TRRL/

• Corporate Authors:

  Commonwealth Scientific & Industrial Research Org

  314 Albert Street
  East Melbourne, Victoria,   Australia 
• Authors:
  • Morgan, J R
• Publication Date: 1976

Language

• English

Media Info

• Features: Figures; References; Tables;
• Pagination: 13 p.

Subject/Index Terms

• TRT Terms: Accelerated tests; Air voids; Base course (Pavements); Building materials; Cement; Cement treated soils; Compaction; Granular bases; Granular materials; Loads; Moisture content; Pile driving; Properties of materials; Repeated loads; Shrinkage; Soil cement; Soil stabilization; Stabilized materials; Stiffness; Strength of materials; Subgrade (Pavements)
• Uncontrolled Terms: Stabilization
• Old TRIS Terms: Air voids content; Test driving/piles
• ITRD Terms: 4758: Cement; 3686: Compaction; 5211: Cracking; 4107: Granular; 8516: Lecture; 5567: Load; 4555: Material (constr); 5920: Moisture content; 4109: Non cohesive soil; 5938: Porosity; 5925: Properties; 5588: Repetitive loading; 2961: Roadbase; 3688: Roadbase stabilization; 4743: Shrinkage; 3689: Soil stabilization; 5931: Stiffness; 5544: Strength (mater); 2950: Subgrade; 755: Traffic
• Subject Areas: Design; Geotechnology; Highways; Materials; Pavements; I22: Design of Pavements, Railways and Guideways;

Filing Info

• Accession Number: 00164326
• Record Type: Publication
• Source Agency: Transport and Road Research Laboratory (TRRL)
• Report/Paper Numbers: Lecture Series N31 Analytic
• Files: ITRD, TRIS, ATRI
• Created Date: Jan 13 1978 12:00AM