预应力空心梁
The centralized prefabrication of the prestressed hollow girder beam under 20m long
集中预制20m以下装配预应力空心板梁工法
At the same time, which cross-section form and dimension of prestressed hollow beam can bring better economic preformance is studied by writing computer program, and the optimum cross-section under the project condition in this paper is obtained.
同时,编写程序对空心板梁截面形式和尺寸的经济性进行分析,并得出在本文工程条件中的最优截面。
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