Experimental Study on the Effect of Limestone Powder Content on the Dynamic and Static Mechanical Properties of Seawater Coral Aggregate Concrete (SCAC).

Additionally, with increasing limestone powder content, the dynamic tensile strength of SCAC first showed and increasing trend and then a decreasing trend, reaching its maximum value when the limestone powder content was 16%.

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In addition, with increasing strain rate, the DIF of the SCAC under different ratio conditions also showed an increasing trend, with the DIF of the SCAC varying from 1.39 to 6.91.

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It can be seen from Figure 16 that under dynamic tensile conditions, although the SCAC specimens with typical splitting failure did not break completely, the failure morphology of SCAC specimens showed a trend in which the particle size of the broken slag decreased, with the amount of broken slag increasing, as well as breaking more thoroughly, with increasing strain rate grade.

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