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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: Temperature and stress distributions in massive concrete structures due to heat of dehydratation
Author(s): Mirambell Arrizabalaga, E.; Pujol, F.
Appears on pages(s): 141 - 155
Abstract:In this paper a theoretical and experimental study about temperature and stress distributions included in massive concrete structures during hardening process is presented. Measurements of temperature in several in several points of concrete blocks in cuasi-adiabatic and non-adiabatic conditions have been carried out. a comparison between experimental and analytical results allow to determine the evolution of hydratyon heat of concrete. The analytical model developed, capable to predict temperature stress distributions, is based on 3-D finite element method. The results derived from thermal and structures analyses show that the temperature distributions within massive concrete structures are strongly nonlinear. Due to this fact, significant stresses might appear at the external surface of the structure during the hardening process, which can exceed the value of the tensile strength of concrete.
ACI International Partner, ACHE Spain, International Partner Access.
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