The deformation not only reflects the flexure behavior of slab at every loading stage, but also affects the stress status on the surface of punching shear cone and the ultimate capacity of the slab.
该变形反映了板在各个受力阶段的抗弯性能，也在很大程度上直接影响着冲切锥面上的应力分布和板的抗冲切能力。
Compressive stress produced by horizontal prestressing tendons within the raft foundation has much to do with the effective prestress and punching shear capacity.
在考虑应力扩散的影响对抗剪有效作用下，提出了预应力筏板基础边柱合理的抗冲切承载力计算公式。
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