The fracture energy GF of concrete is one basic material characteristic, representing the energy necessary to create a unit areaoffracture surface.
混凝土断裂能G _ F是材料的一个基本性能,表示扩展单位裂缝面所需要的能量。
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A direct blow to the pterion, or even an indirect blow to another part of the skull, may cause a fracture to this weak area, with an associated rupture of the underlying vessel.