Computer auxiliary measuring method of connecting node corners of steel frame beam column

Abstract

The invention discloses a computer auxiliary measuring method of connecting node corners of a steel frame beam column, belonging to the field of test research of forced performances of the beam column nodes of steel frame structures. The computer auxiliary measuring method is characterized in that measurement is realized through four displacement meters which are respectively arranged on a node adjacent to a beam tension flange, a node adjacent to a beam compression flange, a node corresponding to the beam tension flange and a node corresponding to the beam compression flange and an inclinometer arranged on a column web plate at the intersected part of a beam axial line and a column axial line, or four displacement meters which are respectively arranged at the intersected part of a center line of the beam tension flange and the column axial line, the intersected part of a center line of the beam compression flange and the column axial line, the intersected part of a center line of a column flange adjacent to the beam and a beam axial line and the intersected part of a center line of a column flange corresponding to the beam and the beam axial line. The invention has the advantages of high precision, effective elimination of influence on the deformation of the beam and columnar members as well as convenience and accuracy when applied to the steel frame structure considering the node deformation.

Description

technical field [0001] The invention relates to the technical field of structural engineering steel structures, in particular to experimental research on the mechanical performance of beam-column joints of steel frame structures and design calculations of steel frame structures. technical background [0002] Steel frame structures have been widely used at home and abroad, and the moment-rotation curves of beam-column joints have an important influence on the analysis and calculation of internal force and deformation of the frame and the design of beam-column components. Due to the differences in the research environment and research methods, most researchers at home and abroad use their own defined node rotation angles and measurement calculation methods, and the measurement results are inaccurate or incorrect, which makes a large number of research results obtained in terms of applicability and comparability. And there are bigger deficiencies in practicability. How to accu...

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Problems solved by technology

[0003] Aiming at the problem that the existing research cannot accurately measure and calculate the joint angle of the beam-column connection of the steel frame structure, the present invention proposes a variety of measurement and calculation methods, through the reasonable selection and arrangement of the measuring devices, and calculates the joint angle according to the corresponding formula

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