THE USE OF SOIL-CEMENT FOR SLOPE PROTECTION

The authors describe the state of the art of soil-cement facing in the usa. The proportioning of cement, soil and water is determined from laboratory test results. Attention is drawn to the importance of compressive strength and durability. To determine the permeability of a facing, an in-situ seepage test was carried out. Results showed that small leaks were caused by cracks and occurred at the facing joints. The facings, which are pervious to water, must have sufficient resistance to heave when the water level of the reservoir falls. Three methods can be used to solve this problem: free drainage behind and through the facing, grout curtain behind the facing, and construction of a facing sufficiently thick so that it will resist heave through its own weight. Facings consist of overlapping layers. The mixing of the soil-cement takes place in a fixed plant. After spreading, compaction takes place by means of a sheeps foot roller, and then with a pneumatic-tyred roller. A steel broom is used to give a rough surface before application of the next layer. Compaction control is the same as for embankments. Only in one dam, extensive damage occurred, which was probably due to violent waves. The cause of the damage was attributed to lack of bond between layers. For the covering abstract of the conference. /TRRL/

  • Supplemental Notes:
    • Eleventh International Congress on Large Dams.
  • Corporate Authors:

    International Commission on Large Dams

    Avenue de Wagram 22 et 30
    75008 Paris,   France 

    International Commission on Large Dams

    Avenue de Wagram 22 et 30
    75008 Paris,   France 
  • Authors:
    • Davis, F J
    • Gray, E W
    • Jones, C W
  • Publication Date: 1973-6-11

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00134120
  • Record Type: Publication
  • Source Agency: Central Laboratory of Bridges & Highways, France
  • Report/Paper Numbers: Analytic
  • Files: ITRD, TRIS
  • Created Date: Nov 9 1977 12:00AM