PLASTICS IN CONCRETE ROADS PREVENT FROST PENETRATION

BETONGVAEG KLARAR TJAELEN MED PLAST

Effects of a thin cellular polystyrene sheet beneath prefabricated concrete slabs have been studied on two experimental roads. Preliminary tests indicated that: slabs have to be 15 cm thick and strengthened at corners to resist cracking. Tongue-and-groove joints should form a 30 degree angle with the top surface of the slab. Some longitudinal locking between the slabs is necessary, especially at corners. A frost blanket of 4 cm styrofoam gives satisfactory protection against frost heave. Big slabs (150 x 150 cm) are preferable. Tests with manually manageable slabs (35 x 35 cm) did not give satisfactory results. A final test was performed based on the practical results gained from preliminary tests. The out-come of this test after 18 months is very favourable. /TRRL/

• Corporate Authors:

  Byggfoerlaget

  Mariaskolgata 81, Box 17087
  Stockholm 10462 17,   Sweden 
• Authors:
  • Persson, B
• Publication Date: 1975

Language

• Swedish

Media Info

• Features: Figures; Photos;
• Pagination: p. 27-28
• Serial:
  • Byggnadsindustrin
  • Volume: 45
  • Issue Number: 31

Subject/Index Terms

• TRT Terms: Concrete; Concrete pavements; Experimental roads; Frost; Frost protection; Insulation blankets; Plastics; Rigid pavements; Slabs
• Uncontrolled Terms: Frost penetration
• ITRD Terms: 4755: Concrete; 2778: Experimental road; 2960: Frost blanket; 7454: Plastic material; 2964: Rigid pavement; 3491: Slab
• Subject Areas: Design; Highways; Pavements; I22: Design of Pavements, Railways and Guideways;

Filing Info

• Accession Number: 00133720
• Record Type: Publication
• Source Agency: Transport and Road Research Laboratory (TRRL)
• Report/Paper Numbers: SAE#751160
• Contract Numbers: NO-1-NS-4-2302
• Files: ITRD, TRIS
• Created Date: Jun 23 1976 12:00AM