| Location: In-house
The study generated by WDP’s laboratory testing and research
was an overall investigation to develop performance criteria for cement-based
repair materials. In Phase I of the study, preliminary criteria for
dimensionally compatible repair materials were developed based on a review
of the literature. This review concentrated on identifying pertinent
material properties, appropriate test methods, and demonstrated field performance.
WDP performed laboratory and field tests to evaluate the preliminary performance
criteria which were conducted in Phase II of the project.
Twelve candidate repair materials were selected for the
experimental portion of the project. Each material was subjected
to a series of standard and nonstandard laboratory tests to determine properties
which were perceived to be of interest in a repair context and provide
some basic information about their behavior.
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Client: US Government Agency
These tests included:
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Unrestrained and restrained drying shrinkage
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Modulus of elasticity
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Tensile and compressive creep
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Coefficient of thermal expansion
Flexural, compressive, and direct tensile strengthsConcurrent
field tests were also conducted to evaluate material durability.
Results of the laboratory investigation are described within the report
written by WDP for the U.S. Army Corps of Engineers, Technical Report
REMR-CS-57, “Performance Criteria for Concrete Repair Materials, Phase
II Laboratory Results.” Results of the laboratory and field performance
tests will be correlated (Phase III) to provide a basis for development
of performance criteria for cement-based materials that will provide durable
concrete repairs.
Services WDP used on this project included:
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Static and Dynamic Load Testing
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Laboratory Testing & Analysis
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