Title:
Begaviour of concrete at cryogenic temperatures
Author(s):
Maturana, P.; Plantas, J.; Elices Calafat, M.
Publication:
ACHE
Volume:
39
Issue:
167
Appears on pages(s):
153 - 161
Keywords:
DOI:
Date:
1/3/1988
Abstract:
This paper presents experimental results of stable three point bend tests on notched saturated concrete beams in a range of temperatures, from room temperature down to -170ºC. From these tests values of fracture parameters are calculated at different temperatures. The high increase in fracture energy, observed when lowering test temperature is compared with the trends dictated by a previous thermal activation analysis performed by Bazant. The essential conclusion is that a drastic microstructural change takes place between 10ºC and -70ºC.
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