Planning and Design of Highways According to AASHTO Standards Using Remote Sensing Technology (Samarra City as a Case Study)

Ali Dhafer Abed
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引用次数: 5

Abstract

The design of highways linking urban areas represents the largest economic cost to the municipality, in addition to the time, effort and high cost in providing field surveys and data needed for design and implementation purposes. Therefore, this research focused on proposing a path and design for a highway linking two urban areas within the city of Samarra, in the Salah Al-Din Governorate, northern Iraq. The first area is Qadisiyah neighborhood, which meets the highways that enter the city of Samarra. The second area is the Old City, which is characterized by a large number of historic and archeological sites, and need a highway connecting them with the Qadisiya neighborhood to facilitate the arrival of visitors and residents to their archaeological sites. The route and design of the highway have been proposed according to AASHTO's international design standards, with a high capacity and level of service. It achieves easy arrival between the two areas and their associated regions by choosing the best path for this road, taking into consideration the geometric design of the road that represents the shortest path, the lowest junctions (two junctions), the lowest number of horizontal and vertical curves. The research was based on remote sensing techniques for design purposes, using modern satellite images for the city of Samarra, in addition to the specialized programs in road design (GIS & Civil 3D Land Desktop), thus its main outcome was planning a route according to AASHTO standard and hierarchy of transport levels to reducing the time, effort and cost of data collection purposes that pertain to the design, and outputs with accurate results ready for implementation.
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基于AASHTO标准的公路遥感规划设计(以萨迈拉市为例)
除了时间、精力和提供设计和实施所需的实地调查和数据的高成本外,连接城市地区的高速公路的设计是市政当局最大的经济成本。因此,本研究的重点是为伊拉克北部萨拉赫丁省萨迈拉市内连接两个城市地区的高速公路提出一条道路和设计。第一个区域是卡迪西亚社区,与进入萨迈拉市的高速公路相接。第二个区域是老城区,它的特点是有大量的历史和考古遗址,需要一条高速公路将它们与卡迪西亚社区连接起来,以方便游客和居民到达他们的考古遗址。该公路的路线和设计已按照AASHTO的国际设计标准提出,具有高容量和服务水平。它通过选择这条道路的最佳路径来实现两个区域及其相关区域之间的轻松到达,考虑道路的几何设计,代表最短路径,最低路口(两个路口),最低数量的水平和垂直曲线。该研究基于遥感技术用于设计目的,使用萨迈拉市的现代卫星图像,以及道路设计的专业程序(GIS和Civil 3D Land Desktop),因此其主要成果是根据AASHTO标准和运输级别的层次规划路线,以减少与设计相关的数据收集目的的时间、努力和成本,并输出准确的结果准备实施。
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