Strength and durability of polypropylene fiber reinforced grouts

Journal Article · Sat Apr 01 04:00:00 EST 1995 · Cement and Concrete Research

DOI:https://doi.org/10.1016/0008-8846(95)00040-J· OSTI ID:63232

Allan, M L; Kukacka, L E ^[1]

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1. Brookhaven National Lab., Upton, NY (United States)

Fibrillated polypropylene fibers were added to cementitious grouts to determine whether improved mechanical properties and durability could be achieved. The grouts were studied for suitability as subsurface containment barriers around stabilized hazardous waste landfills. Strength, wet-dry and freeze-thaw durability and shrinkage crack control were investigated. Fibers added at volume fractions of 0.1 and 0.2% were found to reduce crack widths of restrained shrinkage specimens by bridging action. Compressive and flexural strengths were not consistently affected by incorporation of fibers. Fibers did not significantly change the residual compressive strength of air entrained grouts subjected to freeze-thaw cycles. Cementitious grouts are being evaluated for subsurface containment barriers around a chemical waste landfill at Sandia National Laboratories in New Mexico as part of the Mixed Waste Landfill Integrated Demonstration.

• Research Organization: Brookhaven National Laboratory (BNL), Upton, NY
• DOE Contract Number: AC02-76CH00016
• OSTI ID: 63232
• Journal Information: Cement and Concrete Research, Journal Name: Cement and Concrete Research Journal Issue: 3 Vol. 25; ISSN 0008-8846; ISSN CCNRAI
• Country of Publication: United States
• Language: English

Related Subjects

05 NUCLEAR FUELS
36 MATERIALS SCIENCE
ADDITIVES
CHEMICAL WASTES
COMPRESSION STRENGTH
CONTAINMENT SYSTEMS
FLEXURAL STRENGTH
FRACTURE PROPERTIES
HAZARDOUS MATERIALS
MECHANICAL PROPERTIES
NONRADIOACTIVE WASTE DISPOSAL
POLYOLEFINS
REINFORCED MATERIALS
SANDIA NATIONAL LABORATORIES
SANITARY LANDFILLS
SEALING MATERIALS
UNDERGROUND DISPOSAL