On the assumption that the micro fracture toughness of concrete does not vary with strain rate, the static and dynamic strength of concrete under different confinements can be calculated.

• 在假定混凝土的断裂韧度不随加载速率变化的前提下，分析和计算了不同围压荷载下的混凝土静动力强度，并与试验结果进行比较。