The analysis of vertical seismic load of chimney is carried out and the approximate formulas for vertical seismic loads are also suggested in this paper.
本文还对烟囱竖向地震荷载进行了分析，给出了竖向地震荷载的近似计算公式。
2
It is impossible and costly to carry out detailed buffet analysis in the bridge conceptual phase and many short span bridge designs because the wind load on bridge is complicated.
桥梁风荷载很复杂，在桥梁初步设计阶段没有必要进行精确地抖振分析。
3
Through the thorough analysis and demonstration, it is pointed out that the use of time domain parameter identification and load identification is necessary and feasible.