山区高速长大下坡线形安全设计研究

发布时间：2018-01-16 05:03

本文关键词：山区高速长大下坡线形安全设计研究　出处：《河北工业大学》2014年硕士论文　论文类型：学位论文

【摘要】：本项论文研究通过对国内外关于长大下坡交通安全的研究成果的分析、对比，找出长大下坡路段共有的安全问题，并提出治理方案，，用以指导山区高速公路线形设计，以尽可能避免其通车后因长大下坡导致的交通事故。同时，借鉴国内外关于高速公路隧道口线形安全研究成果，提出了公路隧道部分相关设计建议指标，以增加速公路隧道行车安全性。本论文研究了下坡线形安全设计方法，根据坡度严重性分析系统(Grade SeverityRating System)模型的修正结果、散热试验的分析结果和制动器温度预测模型试验结果以及车辆动力学分析结论，提出山岭重丘区高速公路长大下坡路段坡度及坡长组合指标，包括：平均纵坡和总坡长的总体控制、纵坡的坡度坡长组合、缓坡坡度坡长、反坡设置等，进而对平纵线形组合提出了安全设计建议。其目的与意义重点在于：（1）通过连续下坡路段不同载重、车速条件下的大货车轮毂温度实时测量试验，对美国的GSRS制动器温度预测模型进行了检验和修正；（2）建立新的制动器温度预测模型并提出纵坡优化设计指标；（3）提高山区高速公路长大下坡路段的交通安全性。
[Abstract]:Based on the analysis and comparison of the research results on the traffic safety of long - up and lower slope , this paper tries to find out the common security problems in the growth and lower slope , and put forward the control scheme to guide the linear design of the highway tunnel , so as to avoid the traffic accidents caused by the growth and descent of the highway tunnel . At the same time , the related design suggestion index of the highway tunnel part is put forward to increase the safety of the highway tunnel . Based on the results of the analysis of Grade SeverityRating System ( Grade SeverityRating System ) , the results of the analysis of the heat dissipation test and the results of the brake temperature prediction model test and the conclusion of the vehicle dynamics analysis , the paper puts forward the combination index of the slope and the slope length of the growth and lower slope of the expressway in the mountain range , including the overall control of the average longitudinal slope and the total slope length , the slope length combination of the longitudinal slope , the slope length of the gentle slope and the slope setting , etc . , and then puts forward the safety design suggestion for the flat longitudinal linear combination . The purpose and significance of the design are as follows : ( 1 ) The GSRS brake temperature prediction model of the United States is tested and corrected by the real - time measurement test of the wheel hub temperature under different load and vehicle speed conditions of the continuous downhill section . ( 2 ) establishing a new brake temperature prediction model and proposing a longitudinal slope optimization design index ; and ( 3 ) improving the traffic safety of the growing lower slope section of the mountain highway .

【学位授予单位】：河北工业大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：U412.366

【参考文献】