Research On High-grade Highway Route Design In The Inner Mongolia Gobi Desert Region

Inner Mongolia is one of the most serious desertification of the province (area),But in the light of Inner Mongolia province the Gobi desert region of high grade roadthere are a few of research reports, therefore, it has great necessary for the alignmentdesign of the high grade highways in Mongolia desert region of Gobi.This articlethrough to the Inner Mongolia desert region of Gobi physical geography, climate,geology and resources environmental investigation, put forward Inner Mongolia Gobidesert area road line selection principle. Through the Inner Mongolia desert region ofGobi which has been built and the similar engineering investigation and analysis, thatthe desert area of Gobi as the gale weather multiple zone or the frequency zone, roadvehicle speed, traffic volume, transverse less interference, pointed out straight, radius ofhorizontal curve, slope length and curved slope combined Inner Mongolia desert Gobifocuses on the linear area highway.Through drawing lessons from the Gobi desert region construction mode of theexperience and the Inner Mongolia desert region of Gobi natural environment condition,traffic characteristics and project funds were raised in Inner Mongolia desert region ofGobi construction mode, and the Inner Mongolia Gobi desert area design speedselection analysis.According to the Inner Mongolia desert region of Gobi features of the proposedroute design concept and principle, and through the Inner Mongolia desert of Gobitraffic survey to determine the alignment design represent models and actual loadingrate. Copied from the traffic analysis of accident based on long straight line in Mongoliadesert region of Gobi, put forward Inner Mongolia desert region of Gobi high grade highway line length limit.According to the stability analysis of the vehicle’s lateralstability under the lateral wind pressure, and then get the formula of the radius ofcircular curve under the lateral wind pressure,the new formula used in the situationunder the lateral wind pressure is reasonable. Meanwhile, using this conclusion, it canget the general minimum radius and limit minimum radius of circular curve for thecases of overload and full load of the vehicle under the influence of different altitudesand wind scales. Under the unfavorable conditions caused by the vehicle when uphillagainst the wind and downhill along the wind. Calculate the uphill and downhill slopelength for the cases of overload and full load of the vehicle under the influence ofdifferent altitudes and wind scales. According to the stability analysis of the drivingvehicle under wind pressure, forward the vehicle running safety model of steep slopefollowed by curve with small radius under the influence of wind pressure, forward thevehicle safe driving model of the combination of flat vertical section about steep slopewith small radius, and selected the technical parameters according to the vehicle actualrunning speed, and using MATLAB simulation to draw the relationship diagramof“slope lengh,slope gradient and speed”, and “speed and horizontal Radius” for thecases of overload of vehicle under the influence of different altitudes and wind scales.The research on Inner Mongolia high grade highway design standard to have drawlessons from a meaning.