Study on formation mechanism of blind spot for truck turning right and safety of intersection

doi:10.16265/j.cnki.issn1003-3033.2017.05.018

Abstract

Abstract: In order to explore the formation mechanism of truck drivers' blind area when the truck is turning right, and the influence of truck turning right on safety of the road intersection, a right-turn model was built by using the Matlab software. Based on analyzing the characteristics of truck's inner wheel difference, the results of test of model car and results of large trucks turning tests, and fixing trajectory turning, the turning process of truck was simulated accurately. A method was worked out for calculating the visual blind area. A index was putforward for road intersection safety evaluation. A truck right-turn blind spot area based evaluation of safety was made for right-turn separation, slow turn interaction and sharp turn interaction. The results show that the blind area is 40.39 m² for six-axle truck turning right, and that right-turn separation crossing has higher safety.

Key words: heavy truck, visual blind spot, simulation track, mechanization, intersection evaluation

CLC Number:

X913.4

WANG Qingzhou, XU Lingxuan, FAN Xin, GUO Kai. Study on formation mechanism of blind spot for truck turning right and safety of intersection[J]. China Safety Science Journal, 2017, 27(5): 99-104.

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