Accession Number:

ADA295136

Title:

Performance Criteria for Concrete Repair Materials. Phase 1.

Descriptive Note:

Final rept.,

Corporate Author:

STRUCTURAL PRESERVATION SYSTEMS INC BALTIMORE MD

Personal Author(s):

• Emmons, Peter H.
• Vaysburd, Alexander M.

Report Date:

1995-04-01

Pagination or Media Count:

127.0

Abstract:

The durability of concrete repairs depends to a large extent on the proper selection and application of repair materials. Restrained contraction of repair materiais, the restraint being provided through bond to the extsting concrete substrate, is a major factor which significantly increases the complexity of repair projects as compared to new construction. Preliminary performance criteria for dimensionally compatible repair materials were developed based on a state-of-the-art review of the literature on cement-based repair materials. These preliminary criteria are intended for screening and selecting cement-based materials for concrete surface repairs. A comprehensive experimental program of laboratory and field tests was developed to verify the performance criteria. MM

Descriptors:

• *CONSTRUCTION MATERIALS
• STRESS STRAIN RELATIONS
• TEMPERATURE
• PERMEABILITY
• DEFORMATION
• TENSILE STRESS
• CRACKING(FRACTURING)
• MODULUS OF ELASTICITY
• SUBSTRATES
• STRAIN(MECHANICS)
• MOISTURE CONTENT
• STRENGTH(MECHANICS)
• CEMENTS
• AGGREGATES(MATERIALS)
• REPAIR
• THERMAL EXPANSION
• CREEP
• PLASTIC PROPERTIES
• BONDING
• COMPRESSIVE STRENGTH
• HUMIDITY
• DRYING
• WEAR RESISTANCE
• SHRINKAGE
• TENSILE STRENGTH

Subject Categories:

• Ceramics, Refractories and Glass
• Construction Equipment, Materials and Supplies

Distribution Statement:

APPROVED FOR PUBLIC RELEASE