In the case of the repeated loading, this paper deduces the formula of the maximum reinforcement ratio which can prevent the cracking of the axial compressive pillar from cracking when it is unloaded;
分析了影响钢筋混凝土轴心受压柱最大配筋率的几种因素，并用实例演示了考虑混凝土徐变后，该公式在结构设计中的应用。
With the increase of the volume fraction of SiC foam reinforcement, the compressive strength increases, but the ratio of compress decreases.
复合材料的压缩强度随着增强体体积分数的增大而提高， 屈服应变随着体积分数的增大而减小。
With the increase of the volume fraction of SiC foam reinforcement, the compressive strength increases, but the ratio of compress decreases.
复合材料的压缩强度随着增强体体积分数的增大而提高， 屈服应变随着体积分数的增大而减小。
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