钢筋混凝土桥面板全寿命成本影响因素敏感性分析  

Sensitivity analysis of influence factors on the life cycle cost of reinforced concrete bridge deck

作　　者：杨晓明[1,2] 杨亮 

机构地区：[1]辽宁工程技术大学土木工程学院,辽宁阜新123000 [2]雪城大学土木与环境工程学院,纽约美国雪城13244

出　　处：《混凝土》2018年第1期154-157,共4页Concrete

基　　金：辽宁省自然科学基金(20170540414);辽宁省教育厅杰出青年学者成长计划(LJQ2013037)

摘　　要：钢筋混凝土桥面板维护的全寿命成本受多种因素的影响,为有效降低全寿命成本,对各个因素的敏感性进行分析是十分必要的。通过对一实际在役钢筋混凝土桥梁的桥面板维护的全寿命成本进行分析,调整各个参数在一定范围内变化,观察全寿命成本随之的变化情况,以此来分析各个参数的敏感性。结果表明:各参数的敏感程度依次为折现率、日均车流量、车辆行驶成本、绕路时间、铺设LSDC成本、去除破损混凝土成本。该结果为降低钢筋混凝土桥面板维护的全寿命成本提供一定的指导依据。The life cycle cost （LCC） of reinforced concrete bridge deck is influenced by a wide range of factors.It is necessary to carry out the sensitivity analysis for reducing the LCC.The LCC of an existing concrete bridge deck is analyzed.Some factors are modified in a certain extent and the corresponding LCCs are calculated for obtaining the sensitivity of each factor.The results show that the order of these factors＇ sensitivity is discount rate,traffic flow,cost per minute per vehicle,detouring time,cost for overlaying LSDC and cost for removing the damaged concrete.The results can be used to provide some supports for reducing the LCC of reinforced concrete bridge deck.

关 键 词：钢筋混凝土桥面板 全寿命成本 敏感性分析 折现率 车流量 

分 类 号：TU528.01[建筑科学—建筑技术科学]