Cellular Concrete Studies. Report 2: Evaluation of Crushed Cellular Concrete,
George C. /Hoff
ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MISS
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Drilled cores and excavated pieces of consolidated cellular concrete backpacking from around a test structure that had been subjected to shock loading were evaluated and compared with cellular concrete that had not been loaded. The consolidation of the cellular concrete from around the structure was quite substantial, with essentially all of the entrained air bubbles in the concrete being collapsed. However, densities obtained from the cores indicated that the amount of consolidation experienced by the concrete around the structure was not uniform. The internal structure and composition of the hardened cement paste did not appear to have been altered appreciably. The compressional wave velocity of the consolidated backpacking was comparable with that of the same material before consolidation. The behavior of the cellular concrete appeared to follow suggested failure envelopes for that material.
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