Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 6 of 6 for “"replacement percentage"”.
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The properties of concrete containing coconut shell as fine aggregate
… the use of fine coconut shell (FCS) as a partial replacement of sand and its low thermal conductivity applications. The first part of the research focused on the characterisation properties of fine coconut shell and sand through sieve analysis, laser diffraction sieve, specific gravity tests, bulk …
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An examination of the impact of early retirement incentives on school district financial health
… amount, number of participants in the ERI and replacement percentage of separating teachers was tabulated. The data points collected to determine the financial health of the school district included school district bond rating, the school district fund equity percentage and change in general …
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Carbonation and permeability characteristics of modern South African concretes
… has introduced mineral admixtures as partial replacement of PC in the attempt to mitigate the negative environmental impact of cement production. The use of mineral admixtures has positive economic and environmental benefits. In the context of concrete durability, the use of mineral admixtures …
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EFFECTS OF DEICING SALTS ON THE DURABILITY OF CONCRETE INCORPORATING SUPPLEMENTARY CEMENTITIOUS MATERIALS
… with the goal of determining appropriate replacement levels of portland cement using these SCMs. The mixtures had water-to-cementitious material ratios of 0.38 and 0.44 and SCM percentage replacements of portland cement of 0%, 20%, 35%, and 50% by volume. Fourteen concrete mixtures (204 …
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New building materials in structural engineering: “Structural concretes made with Coarse and Fine recycled aggregates”
… structural materials now allows a limited replacement percentage of only coarse recycled aggregates (sizes above 4 mm), to produce structural recycled concrete. In this scenario, the research activities described herein were developed with the final purposes of: Characterizing “real” coarse …
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Interfacial transition zone composition and bonding in cementitious materials with asphalt-coated particles
… of reclaimed asphalt pavement (RAP) as a partial replacement of coarse aggregate in concrete paving mixtures has seen recent interest as a result of significant availability of stockpiles of RAP materials. While previous research has primarily focused on the mechanical and durability properties of …