机构地区: 华南理工大学土木与交通学院
出 处: 《科学技术与工程》 2009年第22期6731-6735,共5页
摘 要: 以某特大桥的施工控制为工程背景,阐述了进行预应力孔道摩阻损失试验的原因、方法。以试验结果计算出该桥的实际孔道摩阻系数与偏差系数。作出参数识别与修正,对该桥的理论计算模型进行修正,并对现场施工提出建议,具有不错的工程应用意义。 With the engineering background of the construction control on a bridge,the reasons and methods for the experiment on the friction loss of prestressed dust are expounded.Test results are used to calculate the actual friction coefficient and deviation factor of the prestressed dust.Parameter identification and correction are made,and the theoretical calculation model of the bridge is amended.Recommendations on the bridge construction are made,has good significance for engineering applications.