|Table of Contents|

Reliability design theory and method of highway horizontal curve radius(PDF)

《交通运输工程学报》[ISSN:1671-1637/CN:61-1369/U]

Issue:
2012年06期
Page:
1-6
Research Field:
道路与铁道工程
Publishing date:

Info

Title:
Reliability design theory and method of highway horizontal curve radius
Author(s):
YOU Ke-si1; 3;  SUN Lu1; 2;  GU Wen-jun1; 2
1. School of Transportation, Southeast University, Nanjing 210096, Jiangsu, China; 2. Department of Civil Engineering, The Catholic University of America, Washington DC 20064, USA; 3. Shanghai Municipal Engineering Design Institute(Group)Co., Ltd., Shanghai 200092, China
Keywords:
road engineering;  horizontal curve radius;  reliability design;  running speed;  pavement friction coefficient
PACS:
U412.34
DOI:
-
Abstract:
Vehicle running speed and pavement friction coefficient were considered as random variables. Two performance functions of vehicle skidding failures based on quality point model and considering roll motion were proposed, and the safety reliability of vehicle moving on curve road was analyzed. The skidding probability of each horizontal curve with limiting minimum radius recommended by Technical Standard of Highway Engineering(JTG B01—2003)was calculated, the failure probabilities of two performance functions were compared by varying pavement friction coefficient and vehicle running speed, and the reliability design flow of horizontal curve radius was presented. Analysis result indicates that skidding probability calculated by the performance function considering roll motion is larger than that calculated by quality point model, and truck is more vulnerable to skid than car on the same road environment. Vehicle is simplified as quality point, roll motion and vehicle type difference are ignored in the horizontal curve design, these are adverse to truck safety. 5 tabs, 6 figs, 17 refs.

References:

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Last Update: 2012-12-30