部分预应力混凝土梁中的非预应力钢筋在反复运行荷载作用下承受交变应力。
The non—prestressed steel bars in ppc beams endure alternate stress under the repeated service loading.
研究并提出了带缝混凝土坝运行期的馈控运行荷载的方法，推导了其计算控制荷载的公式，研制了相应的分析程序。
This paper studies and puts forward the feedback analysis method of operation and control loads of the dam with slot during operation period and derives its calculation control load formula.
正常运行时，联轴器能够吸收仅有弹性变形产生的正常抗压荷载。
During normal operation the couplers are capable of absorbing normal compression loads by elastic deformation only.
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