铁路钢板梁桥抗震控制研究

The Anti-seismic Control Study of Railway Steel Plant-beam Bridge

介绍了用耗能减震的方法对铁路钢板梁桥进行抗震控制 .首先利用模态应变能法对包含非经典阻尼结构的动力方程在复模态空间内进行解耦 ,然后在实模态空间内对解耦后的运动方程进行求解 .最后通过一座实际铁路钢板桥梁的抗震控制证明了该方法的有效性 .

The anti-seismic of railway steel plant-beam bridge is controlled by using the method of consuming energy to weaken earthquake. First,the dynamics coupled equation containing non-classical damping structure is seperated by the method of mode strain energy in the complex mode space. Second,the equation in real mode space is solved. At last this method is verified through controlling a concrete railway steel plant-beam bridge's anti-seismic.