' USE OF AGGREGATE AND FIBER IN THE CEMENT MORTAR LINING DUCTILE IRON PIPE AND FITTINGS

摘要

A method of lining inside surface of Ductile Pipe by means comprising of using aggregates Gabbro or Limestone or Dolomite or Fiber, partially or fully, as a substitute of silica sand and to achieve surface finish for proper pipe flow characteristics and to ensure water quality within permissible limits and conserve natural resources.