鹅公岩长江大桥船撞风险分析  

Analysis of Vessel Collision Risk of Egongyan Yangtze river Bridge

作　　者：何佳 张雪松 段鋆 

机构地区：[1]重庆市建筑科学研究院,重庆400016 [2]重庆交通大学土木建筑学院,重庆400074 [3]四川藏区高速公路有限责任公司,成都610047

出　　处：《重庆建筑》2017年第12期37-41,共5页Chongqing Architecture

摘　　要：该文针对目前经常发生的船撞桥事故,依托重庆鹅公岩长江大桥并根据模型水工试验统计各种计算参数,采用目前国际上应用较多的AASHTO规范方法计算鹅公岩大桥在2010年、2020年和2050年的年碰撞概率和年倒塌概率。由计算出的年碰撞风险概率来评估鹅公岩大桥各桥墩在不同年份下的风险等级,根据各墩所处的风险等级采取相对应的防撞措施来降低大桥运营期间遭受的碰撞风险。In view of the frequent ship collision with bridge accidents at present, and based on the Chongqing Egongyan Yangtze River Bridge and the various calculation parameters obtained through hydraulic tests on the model, the annual collision probability and collapse probability of the Bridge in 2010, 2020 and 2050 are calculated with the most used AASHTO standard method. The annual collision probability is adopted to evaluate the risk levels of the Bridge＇s piers in each year, and the risk levels of the piers are applied to take the corresponding measures to reduce the collision risk of the Bridge in operation.

关 键 词：鹅公岩 船撞风险 偏航 倒塌 动能折减 鹅公岩大桥 

分 类 号：U447[建筑科学—桥梁与隧道工程] U676.1[交通运输工程—道路与铁道工程]