结果表明折线先张预应力混凝土箱梁的受力性能良好，为工程应用提供了依据。
The results show that the bending behavior of the prestressed concrete box beam with pretensioned bent-up tendons is good, and this may be a reference for engineering application.
本文从工艺原理、特点、工艺技术几个方面，论述了先张预应力混凝土空心板梁的施工技术。
The paper discussed the construction technology of pre tensioned prestressed concrete hollow plate beam from the technologic principle, characteristic and construction technique.
其次为使构件破坏时充分发挥预应力钢绞线的强度，防止弯曲裂缝出现在延伸长度之内，提出了先张预应力混凝土板在均布荷载作用下的最小板长。
Secondly, the least length of pretensioned prestressed concrete slab is defined to make the full use of steel strand strength and avoid flexural crack occurs within the development length.
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