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为什么我们不在混凝土计算中排除钢筋体积？ - 知乎专栏 为什么我们不在 混凝土计算 中排除钢体积？ Whenever we calculate the concrete volume to cast structural members like a beam, footing or slab, we don't actually exclude the steel reinforcement quantity 每当我们计算梁、基础或板等 结构构件 的混凝土体积时，我们实际上并没有排除 钢筋量 。