震害道路通行能力评估模型

doi:10.3969/j.issn.1674-0696.2017.05.14

摘要/Abstract

摘要： 提出一种评估震后救援道路通行能力的修正系数模型。采用震害条件下道路自损折减系数、桥梁震害影响系数和沿街建筑物损害影响系数对道路通行能力模型进行修正。为保证模型的实用性，完善了高烈度震害量化值，高墩台、大跨度桥梁震害影响系数，并给出不同地震烈度下各类建筑物损害的统计概率作为评估过程的参考值。汶川震害数据模型验证结果表明：修正系数模型对震后道路、桥梁的破坏程度能够进行准确预测，表明该评估模型能够用于震后救援道路通行能力的评估。

关键词: 道路工程, 通行能力, 评估模型, 统计分析, 地震灾害

Abstract: A modified coefficient model was proposed to evaluate the traffic capacity of the rescue road after earthquake. The coefficients include the reduction coefficient of the damaged road, the impact coefficient of the damaged bridge and the damaged buildings along the street in seismic disaster were used to modify the traffic capacity model. In order to guarantee the practicability of the model, the high intensity seismic quantitative value, the influence coefficients of high pier and long-span bridge in seismic disaster were improved, and the statistical probability of buildings damage under different earthquake intensity was given as the reference value of the evaluation process. Some real data in Wenchuan earthquake were used to illustrate the applicability and reliability of the proposed model. The results show that the modified coefficient model can accurately predict the damage degree of the roads and bridges after seismic disaster, which shows that the proposed model can be used to evaluate the traffic capacity of the rescue road after earthquake.

Key words: road engineering, traffic capacity, assessment model, statistical analysis, seismic disaster

中图分类号:

U121

段满珍1，2，轧红颖1，李珊珊1，曹会云1. 震害道路通行能力评估模型[J]. 重庆交通大学学报（自然科学版）, 2017, 36(5): 79-85.

DUAN Manzhen1, 2, YA Hongying1, LI Shanshan1, CAO Huiyun1. Assessment Model for Traffic Capacity after Seismic Disaster[J]. Journal of Chongqing Jiaotong University(Natural Science), 2017, 36(5): 79-85.

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