Spectral Techniques for Serviceability and Durability Assessment of High-Performance Construction Materialsby Mrinmay Biswas, Duke Univ, United States,
Gichuru K. Muchane, Duke Univ, United States,
Document Type: Proceeding Paper
Part of: Serviceability and Durability of Construction Materials
Abstract: Using spectral techniques, one can obtain the frequency content of a material specimen. Spectral measurements were made on specimens of Portland cement and a polymer based materials. In some of the polymer based materials, lapse of quality was simulated by introducing small amounts of moisture with the aggregates. Damage was simulated by freeze-thaw cycling and cyclic compressive loading. At various stages of damage, along with spectral measurements, specimens were tested for modulus of elasticity, modulus of rupture and compressive strength. Results indicate that the spectral quantities may serve as indicators of the qualities of properties related to serviceability and durability of a material or a class of materials.
Subject Headings: Construction materials | Material durability | Material tests | Serviceability | Polymer | Freeze and thaw
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