|Table of Contents|

Calculation method of anti-glare plate height on concave vertical curve section(PDF)

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

Issue:
2013年02期
Page:
86-91
Research Field:
交通运输规划与管理
Publishing date:

Info

Title:
Calculation method of anti-glare plate height on concave vertical curve section
Author(s):
WU Yan1; 2;  WANG Jian-jun2;  CAO Guang-bin2;  LIANG Guo-hua2
1. School of Architecture, Chang'an University, Xi'an 710064, Shaanxi, China; 2. School of Highway, Chang'an University, Xi'an 710064, Shaanxi, China
Keywords:
traffic safety facility;  concave vertical curve section;  glare;  driver sight;  car headlamp movement trajectory;  anti-glare plate
PACS:
U491.59
DOI:
-
Abstract:
The relationships among glare, driver sight and anti-glare plate height on straight section and concave vertical curve section were analyzed. The parameters such as the radius of concave vertical curve section, car headlamp height, driver sight height, cross-section structure and medial divider width were considered, and the calculation method of anti-glare plate height on concave vertical curve section was put out. The design height of anti-glare plate on Jinghua Expressway was taken as a case, the example verification was carried out, and the calculation results of the proposed method and Guidelines for Design of Highway Safety Facilities(JTG/T D81—2006)were compared. Research result shows that when the lamp distance of car headlamp is 120 m and the radius of concave vertical curve section is 12 000-32 000 m, the design height of anti-glare plate is 1.712 m by using the existing specification. By using the proposed method, the minimum design height of anti-glare plate is 1.720 m and the maximum design height of anti-glare plate is 1.800 m. 2 tabs, 3 figs, 15 refs.

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Last Update: 2013-05-20