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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Role of Cement in the Creep of Mortar
Author(s): A. M. Neville
Publication: Journal Proceedings
Appears on pages(s): 963-984
Keywords: no keywords
Abstract:Creep of mortar specimens made with 15 different portland cements and subjected to a sustained compressive stress was measured over a period of several months. These tests, involving as many as 700 specimens indicate that creep is approximately proportional to the ratio of applied stress to strengt i, of mortar at the time of load application, regardless of the identity of the cement. The relationship between creep and the stress-strength ratio appears to hold good for both dry and humid storage conditions, provided specimens are free from shrinkage. A wide range of stresses has been investigated and, for the mix proportions used, the stress-strength ratio seems to be the most important factor influencing the magnitude of creep. Cement fineness was not found to affect creep in the range tested. The paper reviews in some detail factors influencing strength of cement, and also discusses the creep data of other investigators in relation to the proposed creep versus stress-strength ratio relationship.
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