拉索法预应力网架的施工控制

Construction controlling of prestressed space grid structures

介绍拉索法预应力网架结构施工的布索方案、钢索的张拉控制应力确定、调整方法和张拉力的施加方法。给出当逐次增加单根预应力杆并施加预应力时,杆件施工控制应力的理论计算方法,实践证明方法可行。

Author introduces arrangeing steel cable program of prestressed space grid structures,calculating and adjusting methods of prestressed members′s controlling force,and tension applied methods.Provide accuratel calculate the actual construction controlling force′s method with construction change.Practice proved the method is feasible.