对《先张法预应力混凝土管桩》图集的编制依据和适用范围、主要材料、生产工艺及有关设计参数作简单介绍。
Plan compilation is Introduced by basis of compilation, area of apply, primary material, production technology and design parameter on Pretensioned Spun Concrete Pile.
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.
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.
就先张法预应力混凝土空心板梁的施工过程作了详细的介绍，对施工中存在的问题作了相应的改进措施。
The paper introduces specific construction process of pretensioning cored slab beam at some length, improves existing problems in construction.
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.
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.
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