Compressive Strength of Portland Blast Furnace Slag Cement Concrete in Adiabatic and Semi-Temperature Matched Curing Conditions

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Title: Compressive Strength of Portland Blast Furnace Slag Cement Concrete in Adiabatic and Semi-Temperature Matched Curing Conditions

Author(s): J.L. Yang, E.Y. Chen, G.L. Low and B.T. Tan

Publication: Special Publication

Volume: 178

Issue:

Appears on pages(s): 857-874

Keywords: adiabatic temperature; chloride permeability; compressive strength; curing; temperature.

Date: 6/1/1998

Abstract:
Various grades of portland blast furnace slag cement (PBFC) and normal portland cement (OPC) concrete have been cured under adiabatic and semi-temperature matched curing conditions. Comparisons of the compressive strength between adiabatic, semi-temperature matched and ambient cured concrete have been made. The results indicated that the curing history had significant influence on the compressive strength development and the in-situ early strength of PBFC concrete is comparable to the same grade of OPC concrete after three days. The high curing temperature (above 65°C) reduced the later-age strength both for PBFC and OPC concrete. The durability of the concrete cured under various conditions was also evaluated by rapid chloride permeability test.