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Title: Accelerated strength tests of pozzolans
Authors: United States. Army. Office of the Chief of Engineers.
Curry, R. L. (Rembert Leeroy), 1907-
Keywords: Cements
Publisher: Concrete Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Technical report (U.S. Army Engineer Waterways Experiment Station) ; C-69-9.
Description: Technical report
Abstract: In the investigation reported herein, results of accelerated strength tests of cement-pozzolan and lime-pozzolan mixtures were compared with results of 28-day cement-pozzolan and 7-day lime-pozzolan tests. The accelerated cement-pozzolan strength test was one in which specimens were autoclaved at 1-day age. The accelerated lime-pozzolan strength tests in the investigation were tests of specimens at 3 days age that had been stored at temperatures of 130, 180, and 200 F. Three other laboratories--the North Pacific Division and Ohio River Division laboratories of the U. S. Army Corps of Engineers, and the laboratory of the U. s. Bureau of Reclamation--assisted in the testing. The results of the 3-day lime-pozzolan test with storage at 180 F and using reagent grade lime were comparable to the results of 28-day cement-pozzolan and 7-day lime-pozzolan tests. Part of a draft of a Federal test method for pozzolans is presented in Appendix A.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Technical Report

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