A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Concrete damage is the result of the action of many factors. This paper deals with the effect of external flexural loads on the frost resistance of high strength concrete with and without entrained air. Te specimens are exposed to a preloading flexural stress from 0 % to 50 % of their modulus of rupture. It is shown that the damage of specimens with high-level preloading stress is primarily due to stress concentrations at the points where microcracking is initiated by the freeezing-thawing cycles, while the damage of specimens with low level preloading is primarily attributable to the freezing-thawing cycles as such.
Concrete damage is the result of the action of many factors. This paper deals with the effect of external flexural loads on the frost resistance of high strength concrete with and without entrained air. Te specimens are exposed to a preloading flexural stress from 0 % to 50 % of their modulus of rupture. It is shown that the damage of specimens with high-level preloading stress is primarily due to stress concentrations at the points where microcracking is initiated by the freeezing-thawing cycles, while the damage of specimens with low level preloading is primarily attributable to the freezing-thawing cycles as such.
Frost resistance of high strength concrete on preloading flexural stress
Frostbeständigkeit von hochfestem Beton nach vorhergegangener Biegebeanspruchung
Titel chinesisch
Journal of Southeast University (Nanjing). Chinese Edition ; 28 ; 138-144
1998
7 Seiten, 4 Bilder, 1 Tabelle, 6 Quellen
Article (Journal)
Unknown
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