...先以讨论直接损失为主 直接损失的估算方法(洪灾) (1)历史灾害损失曲线(Historical Damage Curve) (2)综合公式(Aggregate Formula) (3)淹水深度损失经验曲线(Empirical Depth-Damage Curve)
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Based on the experimental results, the calculation formula model of shear capacity of lightweight aggregate concrete beams is put forward.
在试验的基础上提出了集中荷载作用下轻骨料混凝土梁受剪承载力计算公式的模型。
The measured Young's modulus of lightweight aggregate concrete using Lytag as coarse aggregate is lower than that calculating from existing empirical formula.
采用粉煤灰陶粒配制成的轻骨料混凝土，其弹性模量实测值低于现有的经验公式计算值。
In this paper the characteristic of the particle size constitute of the natural aggregate is analysed and based on this the formula for calculating the specific surface of aggregate is derived.
本文剖析了天然集料的粒径构成特征，并据以导出计算集料此表面积的公式。
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