According to the calculation theory of normal section bending bearing capacity, the calculation formula of cracking moment of high-strength concrete beam was derived by the concrete mechanic method.
根据正截面受弯承载力计算理论，运用混凝土力学分析方法，导出高强混凝土梁的开裂弯矩计算式。
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What's more, modification is made based on normal elastic ground resistance method and a rigid matrix for elastic ground beam element is detruded.