Influence of Superheated Steam on the Autoclave-Cure Strengths of Cement and Concrete Compositions

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Title: Influence of Superheated Steam on the Autoclave-Cure Strengths of Cement and Concrete Compositions

Author(s): W. V. Friedlaender and F. V. Camarda

Publication: Special Publication

Volume: 32

Issue:

Appears on pages(s): 99-116

Keywords: asbestos-cement products; au toclaving; compressive strength; concrete blocks; concretes; curing; flexural strength; high temperature; hydration; mortars (material); research; superheated steam.

Date: 7/1/1972

Abstract:
The influences of superheated steam on the strengths of autoclave cured cement mortar specimens and asbestos-cement compositions were examined. The test results show that superheated steam, apparently because it acts as a desiccant, generally causes reduced strengths that can be related to functions of the cured weight after autoclaving as well as a factor involvinggthe length and degrees of superheat. If super-heated steam is present during the early stages of the curing cycle it causes greater adverse strength effects.