【摘要】：目前，巫山縣農村公路技術等級普遍低，農村公路標準低，嚴重制約了當地經濟社會的發(fā)展，為了更好地指導巫山縣農村公路的建設，本文對巫山縣農村公路線形技術標準和路面典型結構進行了系統的研究。 本文通過對巫山縣地形地貌、氣候條件、土壤地質狀況、路面狀況等方面進行大量的調查，分析了巫山縣農村公路存在的問題，為建立巫山縣農村公路線形指標和典型路面結構提供了基本依據。再通過對現有巫山縣農村公路交通量及交通量組成研究分析，確定了巫山縣農村公路的等級和對當地交通進行設計參數，參照規(guī)范，制定了巫山縣各等級農村公路的線形技術指標。此外，對巫山縣的路面狀況和路用材料進行了調查，結合巫山縣農村公路路面結構實際設計原則，借鑒國內外路面結構設計方法，確定出了適合不同交通量等級的農村公路瀝青、水泥典型路面結構形式。最后，，利用ABAQUS有限元軟件和理論方法分析不同尺寸、不同厚度、不同軸載條件下的水泥板底產生最不利彎拉應力和溫度應力，從而確定出經濟合理、技術可行的路面結構組合和面層厚度。同時利用ABAQUS對不同層厚的瀝青路面結構進行仿真分析，確定了巫山縣農村公路的典型瀝青路面形式。 本文的研究成果針對性強、合理可靠、經濟使用，對巫山縣農村公路的建設具有很好的參考價值。
[Abstract]:At present, the technical grade of rural highway in Wushan County is generally low, and the standard of rural highway is low, which seriously restricts the development of local economy and society. In order to better guide the construction of rural highway in Wushan County, In this paper, the technical standards of highway alignment and typical pavement structure in Wushan county are systematically studied. Based on a large number of investigations on the landforms, climatic conditions, soil geological conditions and road surface conditions in Wushan County, this paper analyzes the problems existing in the rural roads of Wushan County. It provides the basic basis for establishing the linear index and typical pavement structure of rural highway in Wushan County. Through the research and analysis of the traffic volume and traffic volume composition of the rural highway in Wushan County, the grade of the rural highway and the design parameters of the local traffic are determined, referring to the specification. The linear technical index of every grade of rural highway in Wushan county has been formulated. In addition, the pavement condition and road materials of Wushan county are investigated. Combined with the practical design principles of rural highway pavement structure in Wushan county, the design methods of pavement structure at home and abroad are used for reference. The typical pavement structure forms of rural highway asphalt and cement suitable for different traffic levels are determined. Finally, the ABAQUS finite element software and theoretical method are used to analyze the most unfavorable bending tensile stress and temperature stress under the conditions of different size, different thickness and different axial load, so as to determine the economy and rationality. The technology is feasible for pavement structure combination and surface thickness. At the same time, ABAQUS is used to simulate and analyze the asphalt pavement structure of different layer thickness, and the typical asphalt pavement form of Wushan rural highway is determined. The research results in this paper have strong pertinence, reasonable and reliable, economic use, and have a good reference value for the construction of rural highway in Wushan County.
【學位授予單位】：湖北工業(yè)大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：U412.36;U416.2

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本文編號：2445918