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介绍了混凝土徐变分析的原理及徐变结构分析程序PLECA编制的步骤 ,应用该程序对实际的简支梁桥和连续刚构桥进行了理论分析 ,并与实测结果进行了比较 ,验证了程序的可靠性。预测了结构的长期拱度变形 ,对设计提出了一些建议
The principle of concrete creep analysis and the procedure of creep structure analysis program PLECA are introduced. By using this program, the theoretical analysis of the actual simply supported beam bridge and continuous rigid frame bridge is made and compared with the measured data. The results show that the program The reliability. Predict the long-term camber deformation of the structure and put forward some suggestions on the design