Compressive stress produced by horizontal prestressing tendons within the raft foundation has much to do with the effectiveprestress 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。
2
Also propose some rational and effective calculation methods about cross beam calculation, and expound the problem of prestress reserve.
其中针对横隔梁的计算提出了几种合理有效的计算方法，同时着重阐述了横隔梁的预应力储备问题。
3
The effective foundation of prestress and the secondary interior force induced in the process of prestress setting up have not deeply researched yet.