CAJ | 학술논문

为了研究隧道中曲线半径、路面摩擦系数、横净距及净高等不同设计参数对隧道行车视距的影响，将车辆运行速度、路面摩擦系数、驾驶人反应时间、隧道横净距及设计净高作为随机变量，以可靠度理论为基础，构建了隧道中平、竖曲线段的行车视距功能函数。通过改变隧道行车视距影响参数的设置，分析了隧道中行车视距的安全可靠性，并提出了隧道中行车视距的可靠性求解步骤。研究结果表明，隧道内行车视距失效概率随着曲线半径、路面摩擦系数、设计净高、隧道横净距的增加而减小，随着运行速度的增加而增大；设计净高、侧墙也对隧道内的行车视距产生影响。
위료연구수도중곡선반경、로면마찰계수、횡정거급정고등불동설계삼수대수도행차시거적영향，장차량운행속도、로면마찰계수、가사인반응시간、수도횡정거급설계정고작위수궤변량，이가고도이론위기출，구건료수도중평、수곡선단적행차시거공능함수。통과개변수도행차시거영향삼수적설치，분석료수도중행차시거적안전가고성，병제출료수도중행차시거적가고성구해보취。연구결과표명，수도내행차시거실효개솔수착곡선반경、로면마찰계수、설계정고、수도횡정거적증가이감소，수착운행속도적증가이증대；설계정고、측장야대수도내적행차시거산생영향。
In order to analyze the impacts of different design parameters such as curve radius, pave-ment friction coefficient, lateral clear distance and clear height on tunnel sight distance, vehicle run-ning speed, pavement friction coefficient, driver reaction time, lateral clear distance and design clear height are considered as random variables.Performance functions of sight distance on horizontal and vertical curves are proposed based on the reliability theory.The safety reliability of tunnel sight dis-tance is analyzed by changing the parameters that affect the tunnel sight distance, and steps to solve the safety reliability of tunnel sight distance are proposed.Analysis results indicate that with the in-crease of curve radius, pavement friction coefficient, design clear height and lateral clear distance, the failure probability of tunnel sight distance reduces.However, the failure probability of sight dis-tance in tunnel increases with the increase of vehicle running speed.In addition, design clear height and sidewall also have impacts on tunnel sight distance.