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。
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。
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.
经全面分析论证指出，采用时域识别方法，对其进行参数识别和载荷识别是必要的和可行的。
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