It is easy to bring crack that pretensioned prestressed hollow slabbeam is constructed in winter.
先张法预应力空心板梁在冬季施工过程中，易产生裂缝。
2
The paper introduces specific construction process of pretensioning cored slabbeam at some length, improves existing problems in construction.
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。
3
In the slabbeam construction, common support methods include full support method, cross shape steel method, embedded steel sheet, holt hoop iron method, etc.