Drill several cores at different ages of the early age concrete, then measure its flexural strength, take this flexural strength as the anti-cracking limits.

对早龄期混凝土取芯，测出其弯拉强度，作为抗裂限值。

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The first step towards "normalisation" with Israel was the Second Vatican Council convened by Pope John XXIII in 1962, which set out to dismantle this charge, which had been a clarion call for anti-Semitism down the ages.

BBC: Vatican's Mid-East balancing act