浅谈后张法30m箱梁预应力钢筋的施工  

Talk about the Construction of Post Tensioning 30m Rrestressed Box Beam

作　　者：董晨阳 

机构地区：[1]辽宁省路桥建设一公司,沈阳110021

出　　处：《东北公路》2000年第4期76-77,89,共3页Northeastern Highway

摘　　要：主要论述 30m箱梁预应力钢筋的施工技术 ,重点分析锚圈口的应力损失 ,确定实际控制张拉力 ,计算预应力钢筋伸长值 。The paper mainly discussed constructional technology of 30m box beam prestressed steel, and analyzed stress loss of anchor ring, determine the actual control tension, calculate elongation of prestressed steel, and adopte double control method to control construction quality of prestressed steel.

关 键 词：后张法 预应力钢筋桥 锚圈口应力损失 伸长值 

分 类 号：U448.35[建筑科学—桥梁与隧道工程]