According to the table, it can be seen that the compressive strength of the LWC-CB cube shows a decreasing trend with the rise in temperature.
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Experimental and 3D Simulation Research on the Mechanical Properties of Cold-Bonded Fly Ash Lightweight Aggregate Concrete Exposed to Different High Temperatures.
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The sentences
At the same stress level, the stress concentration area is larger at higher temperatures, with a clear trend of expansion as temperature increases.