Analysis and monitoring of the influence of the column's force on the prestressed frame beam tensioning

In order to explore the force of the frame column in the process of prestressed frame beam tensioning based on the former research of secondary interior force of the frame column and through the calculation and monitoring of the column of a prestressed frame structure,the changing regularity of secondary interior force of the frame column in the process of the prestressed frame beam tensioning is analyzed.The results indicate that the third moment generated by axial deformation of beam is larger.So the third moment shall not be ignored in design.By comparison of monitoring data with results of numerical simulation,the inner side of the top of columns and the outside of the bottom of columns are in tension.Meanwhile the outside of the top of columns and the inner side of the bottom of columns are in compression.There is a linear relation between stress and tension loading.Research results can be used as reference for design and construction of similar projects.It will provide reliable data for the establishment of relevant standards.