<p>验算如图所示的两端铰接支柱的刚度和整体稳定性。<br><img max-width="300" src="https://learnfile.20230611.cn/learnAppQuestion/c5/9e/c59ec500ed9a6311a5c1cb6189235357.jpg" style="width: 100%;height: auto;"><br><br><img max-width="300" src="https://learnfile.20230611.cn/learn