针对现有风电场道路加宽设计取值较大且有时不满足运输需求的问题,该文以理论力学中的刚体运动学原理为基础,利用速度投影定理,结合设计速度、圆曲线半径、路线转角值等因素,构建风电场道路加宽设计理论模型;基于该模型,结合风电场常用运输车辆参数,定量分析圆曲线半径、转角值、车辆尺寸对加宽值的影响;并与现行技术标准中的加宽参数进行对比分析,结果表明基于运动学理论加宽设计模型能有效减小道路加宽值。该文研究成果旨在为风电场道路及具有类似特殊运输需求的道路设计提供理论依据。
Abstract
In order to solve the problem that the value of current wind farm road widening design is too large and sometimes does not meet transportation requirements, it is based on the principles of rigid body kinematics in theoretical mechanics, uses the velocity projection theorem, combines with design speed, circular curve radius, route turning angle, and other factors to construct a theoretical model for wind farm road widening design. Based on this model and combined with commonly used transportation vehicle parameters in wind farms, this paper quantitatively analyzes the influence of circular curve radius, corner value, and vehicle size on the widening value. The widening parameters in current technical standards are compared and analyzed. The results show that the widening design model based on kinematics theory can effectively reduce the road widening value. The research results of this paper aim to provide theoretical basis for the design of wind farm roads and roads with similar special transportation needs.
关键词
风电场 /
运动学 /
加宽 /
速度投影原理 /
转角值
Key words
wind farms /
kinematics /
widening（transportation arteries） /
velocity projection principle /
turning angle value
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基金
大连市科技创新基金项目（2021JJ11CG001）; 辽宁省教育厅2021年度科学研究经费面上项目（LJKZ0719）; 大连海洋大学第三届“蔚蓝英才工程”资助项目（大海大校发[2018]156号）
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