A number of procedures for the design of subsoil drainage filter materials has been examined. A suggested design procedure based on the particle size distribution of the material is given and a simple design form developed. Explanatory notes detailing each design step are printed on the back of the form. A worked example to show the simplicity of the method is included as an appendix. The design is based on the use of slotted, corrugated plastic, subsurface soil pipes of the type now commonly used by SRA's and others in the construction of longitudinal drains adjacent to the edge of road pavements. It is stressed that all components of the road pavement (basecourse etc.) as well as in-situ soils, select fills etc. Should be considered in the design and specification of filter materials for a subsurface drainage system. The design method presented is suggested as being suitable for the majority of in-situ materials encountered in the field. It allows for the use of filter socks as well as two- stage filters. Testing of the proposed filter material for the determination of mineralogical and mechanical soundness is recommended.

  • Corporate Authors:


    Melbourne, Victoria  Australia 
  • Authors:
    • Gerke, R J
    • Tynan, A E
  • Publication Date: 1980-10

Media Info

  • Features: Figures; References;
  • Pagination: 17 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00334445
  • Record Type: Publication
  • Source Agency: ARRB
  • Report/Paper Numbers: AIR 317-2 Monograph
  • Files: ITRD, TRIS, ATRI
  • Created Date: Jul 9 1981 12:00AM