预应力混凝土空心板梁 Cored beam or board of prestressed concrete
结合某高速公路先张法预应力空心梁板的现场施工，介绍了在预应力先张法梁板生产过程中的主要工序及其控制方法。
According to pretensioned prestressing concrete beam and slab construction in one express highway the master operations and controlling measures in the production are introduced.
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.
先张法预应力空心板梁在冬季施工过程中，易产生裂缝。
It is easy to bring crack that pretensioned prestressed hollow slab beam is constructed in winter.
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