Meina Subhi Jawad, Ahmed Subhi Abdulijabbar, Makki Kamel Mohsen
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引用次数: 0
摘要
柔性路面成为重要的结构元素,它很容易受到各种交通负荷和恶劣环境的破坏。为了提高路面的结构强度和延长路面的使用寿命,在大多数道路和高速公路的设计中都包含了加固层。本研究以数值模拟为基础,分析了柔性路面在不同荷载和不同配筋层下的性能。本文的主要目的是利用有限元软件ABAQUS软件包建立路面层模型,评估不同土工格栅性能和位置对路面层诱导变形、应力和应变的影响,并评估不同荷载值对低、中、高交通轴载的影响。研究表明,柔性路面上的应力与荷载力成正比,在44 KN时应力达到777 KPa,在80 KN时应力达到1390 KPa。变形范围为:44kn时0.00307 mm ~ 133kn时0.00946 mm。
Analyze the Flexible Property for Pavements with Various Axle Loads and Different Reinforcement Layers
Flexible pavements become significant structural elements, which are really vulnerable to the probable damage resulting from various traffic loads and an aggressive environment. In order to bolster the structural strength and prolong the life of pavements, reinforcement layers have been included in the design of most roads and highways. In this research, which is based on numerical simulations, the behavior of flexible pavement with respect to varying loads and with different reinforcement layers will be analyzed. The main objectives of this article are to develop a pavement layers model by utilizing finite element software, which is ABAQUS software package, evaluate the influence of different geogrid properties, location on the induced deformation, stresses, and strains into pavement layers and evaluate the influence of different loading values considering low, medium, and high traffic axle loads. The study reveals that stress on flexible pavements is directly proportional to load force, with stresses reaching 777 KPa at 44 KN and 1390 KPa at 80 kN. Deformations vary, with values ranging from 0.00307 mm at 44 KN to 0.00946 mm at 133 kN.
期刊介绍:
Petroleum Chemistry (Neftekhimiya), founded in 1961, offers original papers on and reviews of theoretical and experimental studies concerned with current problems of petroleum chemistry and processing such as chemical composition of crude oils and natural gas liquids; petroleum refining (cracking, hydrocracking, and catalytic reforming); catalysts for petrochemical processes (hydrogenation, isomerization, oxidation, hydroformylation, etc.); activation and catalytic transformation of hydrocarbons and other components of petroleum, natural gas, and other complex organic mixtures; new petrochemicals including lubricants and additives; environmental problems; and information on scientific meetings relevant to these areas.
Petroleum Chemistry publishes articles on these topics from members of the scientific community of the former Soviet Union.