In the prestress design of PC continuous rigid frame bridge, there are two problems in dire need of solving.
在预应力混凝土连续刚构桥预应力设计中，有两个问题急需要解决。
This thesis investigated the effect of the stress loss of vertical prestress on the development of skew cracks and proposed the important issues in the design and construction of PC Bridges.
裂缝产生的原因很多，本文主要从预应力损失及其效应的角度来探讨这个问题，希望能对同类桥的设计和施工有所帮助。
Some design problems of prestress reinforce concrete structure are discussed in this paper. According to the proceedings of prestress research, some simplified design methods are introduced.
指出了预应力钢筋混凝土设计方法和理论上存在的问题，结合当前预应力研究的最新成果，提出了符合工程实际需要的简化设计方法。
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