生命线工程的研究进展与发展趋势

The progress in lifeline engineering researches

概述了生命线工程研究中的若干进展。内容包括:随机地震动场的波动数值模拟、工程结构非线性地震反应的概率密度演化分析方法、大型生命线工程网络系统的抗震可靠性分析与优化等。在论述研究进展的同时,对若干相关的国内外研究发展状况作了简要的评述。对生命线工程研究的未来发展趋势做出了预测和展望。

In this paper, an overview is given on several key issues and related research progress made in lifeline engineering. The research topics include： numerical modeling of random seismic waves, probabilistic density evolution analysis for nonlinear structural responses, seismic reliability analysis of large-scale lifeline network. In addition, a comparison is made between the domestic and international studies on the aforementioned topics. Several examples are included in the paper as the case studies. Finally, recommendations are given for future development of the lifeline engineering research.