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Studies On Principles Of Road Route Selection And Reasonable Choice Of Roadbed Section Forms Of Snow Area Of Xinjiang

Posted on:2015-09-10Degree:MasterType:Thesis
Country:ChinaCandidate:H P LiuFull Text:PDF
GTID:2272330470970107Subject:Traffic and Transportation Engineering
Abstract/Summary:PDF Full Text Request
Snowdrift road is an important type of cold wind and snow disaster areas, a lot of snow damage sustained research scholars have conducted research professionals, for example, some countries located at latitude belt, snow frequent and severe damage in Japan, Russia, China and North America, has been engaged in research trials. In order to improve the wind Xuexue harm caused adverse effects, in order to provide a theoretical basis for the design industry to the highway, wind and snow in order to let the people in the area, the vehicle is more convenient, easy to travelers along the way, the researchers worked tirelessly, long-term field site investigation, research has made great achievements, but for now, due to changes in wind and snow, many factors, so comprehensive and detailed exposition of the principles of wind and snow to form, still more difficult. Now, proper elevation, slope subgrade widening slowdown, wind deflector settings, anti-create the snow belt, the retaining wall of masonry snow, snow fence installation is the main method to solve the world’s current wind Xue road victims; overall can be summarized in terms of snow damage prevention and disaster management for the two categories, proactive protection from the causes and prevention in treating symptoms of passive protection. Through our field to field surveys, research results, leading to the main causes of road wind snow over the area of the highway route terrain conditions and topography positions, in addition, forms and roadbed subgrade section also affect wind and snow damage height of the main the reason; Thus, in the snow area, especially throughout the winter account for approximately half of the appropriate height of Xinjiang highway preliminary design stage to determine how reasonable and rational and reasonable line selection form embankment section and section in the form of snow to prevent and reduce regional highway embankment snow damage and wind Xuexue have a good preventive effect can be done to reduce the wind from the source real snow hazards.The authors studied by analyzing typical wind and snow in Xinjiang region with snow road snow process forms, to combine a large number of relevant research literature and data, a preliminary analysis of the mechanism of the formation of subgrade engineering snow damage. Wind and snow and snow through field investigation of serious road combine existing theoretical research conclusions, the use of relevant software and related analytical methods to identify the impact of various forms of roadbed wind flow field, snow formation, and used these findings, initially identified line selection principle snow areas, roadbed section form a reasonable choice to guide the selection line and embankment road section in the form of snow area design.
Keywords/Search Tags:Snow area of Xinjiang, Disaster of drifting snow, Characteristics of snow damage, Snow damage formation mechanism, Principle of route selection, Roadbed cross section, The height of roadbed
PDF Full Text Request
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