Determination of Torsional Mode and Analysis of Torsional Resistance

At present, structural designers have many different views on determination of torsional mode. This paper adopts the structural mode factor and the mass participation factor method to determine structure torsional mode. Use the shear correction to simplify the calculation of structure torsion, derivate the relevant formulas of torsional effect, it has guide significance for manual calculation of structural torsion; Analysis of structural torsion resistant measures finally.

Digital Image Measurement Technology for High-Rise Structure Torsion Deformation Measuring

In the field of structural health monitoring, digital image measurement as a new monitoring technology is gradually being widely used. Real-time measurement for the torsion, however, has been the difficulty in the high-rise structure monitoring. This paper first analyzes the factors that caused the structure’s torsion and introduced the principle, but also the working mode of this new image measurement system, then a measuring scheme for high-rise structure’s torsion has been proposed, which indicates that this measurement technique is an effective new method.

Seismic Performance Analysis of the Special-Shaped Frame Column Structure on Multi-Dimensional Seismic

The article considers the two horizontal components of ground motion and torsional component, to do nonlinear time history analysis both on regular and irregular shaped column frame structure models. The results show that torsional component of ground motion haves some impact on torsion reaction of structures, stiffness of irregular shaped column frame structure is uneven, and angle of columns are greater than that of the regular structure; torsion haves some impact on the torque of structure, the torque increases of corner columns is maximum, so corner columns are weak links in shaped column structure, considered fully during the seismic design.