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High-volume natural pozzolan concrete for structural applications
Date
2007-09-01
Author
Uzal, Burak
Turani, Lutfullah
Mehta, P. Kumar
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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This paper presents the results of preliminary studies on concrete mixtures containing high volumes of natural pozzolan-(50%- by mass of total cementitious materials) for- structural applications. Three different kinds, of natural pozzolans from. Turkish deposits were used to prepare the high-volume natural pozzolan (HVNP) concrete. mixtures. Two additional mixtures with a high-volume of low-calcium fly ash and granulated blast-furnace slag were also prepared for comparison purposes. In addition, a conventional portland cement concrete mixture was prepared as a reference. The dosage required for a high-range water-reducing admixture for a given slump, air content, setting time, compressive strength, splitting-tensile strength, and resistance to chloride-ion, penetration was determined for the mixtures. Preliminary results indicated that the high-volume natural pozzolan concrete mixtures studied are suitable for structural concrete applications with 1.74 to 2.03 ksi (12 to 14 MPa) and 4.21 to 5.51 ksi (29 to 38 MPa) compressive strengths at 3 and 28 days, respectively.
Subject Keywords
Admixture
,
Blast-furnace slag
,
Chloride
,
Compressive strength
,
Fly ash
,
High-range water-reducing admixture
,
Pozzolan
URI
https://hdl.handle.net/11511/67073
Journal
ACI MATERIALS JOURNAL
Collections
Department of Civil Engineering, Article
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B. Uzal, L. Turani, and P. K. Mehta, “High-volume natural pozzolan concrete for structural applications,”
ACI MATERIALS JOURNAL
, pp. 535–538, 2007, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/67073.