Abstract In this paper, the basic method of the prestressed concrete of bonded post tensioning in the construction of a large span roof truss and the realization of using the XM anchorage is expounded .

• 本文结合工程实际论述了后张法有粘结预应力砼在大跨度屋架施工中的基本工艺以及XM系列锚具的应用体会。