Fast Fourier Translation and FRF of impulse function are applied to research the transverse seismic response of shield tunnel, with step-by-step integral procedure being compared.

• 4．采用频域的方法，利用脉冲波的频响函数，计算了武汉长江隧道横断面在地震荷载作用下的动力响应，并与逐步积分法进行了比较。