GLASS FIBRES STRENGTHEN CASE FOR CEMENT STABILISED REPAIRS

The cost of delaying the trafficking of repairs made by cement stabilization has restricted the widespread use of the method. Tests are being carried out in East Sussex using a glass fibre reinforced surface dresssing over a cement bound layer which can be opened to light traffic immediately after laying. The high tensile strength of the glass fibre matting allows it to follow a small deformation in the sub-base without cracking. The cost of the treatment can be less than half that of conventional reconstruction using new materials. The process uses a self propelled rotorvator to pulverise a strip of the existing pavement, cement is spread on the pulverised surface at 8 per cent by volume and the mixture is rotovated again. It is then compacted by a vibratory roller. Surface dressing is then laid using a modified tanker with a glass fibre chopper at the rear to place fibres after the first coat of bitumen. A layer of 10 mm slag chippings is placed next followed by another bitumen coat and a second dressing of 6 mm chippings. (TRRL)

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/00107859
• Corporate Authors:

  IPC Building and Contract Journals Limited

  Surrey House, 1 Throwley Way
  Sutton, Surrey SM1 4QQ,   England 
• Publication Date: 1985-5-23

Media Info

• Features: Photos;
• Pagination: p. 16-17
• Serial:
  • CONTRACT JOURNAL
  • Volume: 325
  • Issue Number: 5510
  • Publisher: Reed Business Information, Limited
  • ISSN: 0010-7859

Subject/Index Terms

• TRT Terms: Cement; Compaction; Fiberglass; Rollers; Seal coats; Soil stabilization; Tensile strength; Vibratory equipment
• Uncontrolled Terms: Vibratory rollers
• Old TRIS Terms: Cement stabilization
• ITRD Terms: 4758: Cement; 3686: Compaction; 224: Cost; 5211: Cracking; 4557: Fibre; 4547: Glass; 3623: Laying; 3471: Reinforcement (in mater); 3635: Repair; 3689: Soil stabilization; 5544: Strength (mater); 2984: Surface dressing; 5502: Tension; 8119: United Kingdom; 9084: Use
• Subject Areas: Geotechnology; Highways; Maintenance and Preservation; Materials;

Filing Info

• Accession Number: 00451676
• Record Type: Publication
• Source Agency: Transport Research Laboratory
• Files: ITRD, TRIS
• Created Date: Aug 27 2004 9:58PM