OVERLAY IS SAND-ASBESTOS-ASPHALT

A RESURFACING COURSE, 3/4IN THICK HAS BEEN LAID IN THE LINCOLN TUNNEL, U.S.A. IN ONE TUBE IT COVERS AN EXISTING ASPHALT SURFACING AND IN THE OTHER IT COVERS BRICK PAVING. THE MIX CONTAINS 22 PERCENT OF 1/4-IN CRUSHED STONE, 63.5 PER CENT OF SAND, 4PER CENT OF FILLER, 2.5 PERCENT OF ASBESTOS FIBRES AND 8 PERCENT OF BITUMEN /85-100 PENETRATION THUS RESURFACING IS ESSENTIALLY EXPERIMENTAL BUT SIMILAR MATERIAL IS SAID TO HAVE GIVEN EXCELLENT SERVICE FOR THREE YEARS ON A HELICAL APPROACH TO THE TUNNEL. /RRL/

• Availability:
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• Publication Date: 0

Media Info

• Serial:
  • Engineering News-Record
  • Volume: 174
  • Issue Number: 14
  • Publisher: McGraw-Hill, Incorporated
  • ISSN: 0891-9526

Subject/Index Terms

• TRT Terms: Asbestos; Asphalt; Asphalt pavements; Bitumen; Brick pavements; Crushed rock; Fillers (Materials); Overlays (Pavements); Resurfacing; Sand; Tunnels
• Identifier Terms: Lincoln Tunnel
• Subject Areas: Bridges and other structures; Geotechnology; Highways; Maintenance and Preservation; Materials;

Filing Info

• Accession Number: 00216029
• Record Type: Publication
• Source Agency: Road Research Laboratory /UK
• Files: TRIS
• Created Date: Dec 20 1970 12:00AM