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.
出处
《东北公路》
北大核心
2000年第4期76-77,89,共3页
Northeastern Highway