作者单位:LIU Ming-gao,MA Jie(Beijing General Municipal Engineering Design & Research Institute,Beijing 100082,China)刘明高,马杰(北京市市政工程设计研究总院,北京100082)ZHANG De-hua(Civil and Architectural Engineering Institute of Beijing Jiaotong University,Beijing 100044,China)张德华(北京交通大学土木与建筑工程学院,北京100044)