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Research on Key Issues of Speed Bumps Application in Mountainous Road

Author: YuYao
Tutor: TangBoMing；LiuTangZhi
School: Chongqing Jiaotong University
Course: Road and Railway Engineering
Keywords: Speeding Deceleration zone Speed ??bumps Running speed Ergonomics
CLC: U491.5
Type: Master's thesis
Year: 2010
Downloads: 170
Quote: 8
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Abstract


The speed is an important factor to road traffic safety, many domestic and foreign studies have shown that there is a significant correlation between speed and accidents, speeding will be road safety cause huge adverse effects. In recent years, the western mountains in the construction of highway mileage has made gratifying achievements, however, due to the climate with complex geological conditions, the low value of the linear indicators, traffic safety management level and other special factors, resulting in traffic accidents (especially due to accidents caused by speeding) frequent, resulting in a large number of casualties and property losses. In view of the driver uneven quality, the traditional signs marking systems are imperfect and persuade insufficient, and traffic control police are deployed limited deceleration with as the representative of mandatory speed control facilities in recent years, China has been a wide range of applications than ever before. However, due to the lack of relevant technical specification support, the deceleration zone technology in the application process a lot of problems not only affect the use effect, a waste of project funds, and also caused some adverse social impact. Papers relying on the Chongqing Municipal Committee of Science and Technology project \Through extensive research, with technology application status at home and abroad deceleration introduced a number of successful experience in the application, and summarizes the application of our mountain road gear with a number of issues. Learn from foreign deceleration zone classification, from the perspective of structure and function, the applicable conditions, laid by, the deceleration zone of various products have been classified. Selected in each category of typical deceleration zone type, the use of the real vehicle test means affect the running speed of the vehicle, the deceleration zone, vibration acceleration, vibration and noise were tested to further explore the deceleration zone speed control law. The same time, on the basis of research and analysis and test results, combined with the theory of running speed, speed limit target value of control parameters, because the relevant provisions in the engineering evaluation criteria, the design of a system of road deceleration zone and elaborate the design process. Finally, select the most widely used of the three speed humps, construction techniques summarizes and describes the deceleration zone and prevention of common diseases.

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CLC: > Transportation > Road transport > Technical management of traffic engineering and road transport > Traffic engineering and traffic management > Line of traffic safety facilities
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