This study investigates a high-rise building featuring a weakly correlated suspended structure. The building's temperature field was zoned using Rhino， and the internal forces and deformations of key structural members under thermal loading were calculated using Midas software. The analysis compared the thermal effects under two scenarios： air temperature fluctuation alone and the combined action of solar radiation and air temperature.The results indicate that the non-uniform temperature effects induced by solar radiation exert a significantly greater influence on structural stress， support reactions， and displacements than the uniform effects caused solely by air temperature changes. Specifically， the maximum tensile stress increased by 53.6%， while the maximum resultant reaction force and moment increased by 142% and 16.8%， respectively； the maximum displacement increased by 26.3%. Furthermore， the locations of the maximum tensile stress， resultant reaction force， and resultant reaction moment shifted under the combined loading. Consequently， the non-uniform temperature actions arising from solar radiation warrant critical consideration during the structural design and operational phases.
CHEN et al. (Thu,) studied this question.