| 1. | Application of n - th clothoid to design oval horizontal alignment 次回旋线在卵形平面线形设计中的应用 |
| 2. | Highway alignment design 公路线形设计 |
| 3. | Discussion on the three curved square laws using in the alignment ' s design of the highway 三弯矩法在公路线形设计中应用的探讨 |
| 4. | The research on the design of harmony between road linearity and sight environment 工程建设中公路线形设计与景观环境协调设计的探索 |
| 5. | Design method of highway alignment consistency is a new kind of design method 公路线形连续性设计方法是一种新型的公路线形设计方法。 |
| 6. | This article establishes a highway horizontal alignment design method bused on cubic - hermite interpolating function , which has a practical reference for future work 本研究建立了公路平面线形设计的埃尔米特插值函数方法,可供公路平面线形设计工作参考。 |
| 7. | The cubic - spline function applied in design of highway horizontal alignment isn ' t convenient in practice because of no united function and its intricate calculation 摘要三次样条函数在公路平面线形设计中有广泛的应用,但由于没有统一的函数表达式且计算量大,因而在应用上不便。 |
| 8. | The experiment shows that its results are close to ones of cubic - spline function , and fit to the criterion of jtj011 - 94 requirement 公路平面线形实例设计表明,三次埃尔米特插值函数用于公路平面线形设计中,能够满足路线设计规范( jtj011 - 94 )的要求,其设计结果与三次样条函数设计结果接近。 |
| 9. | The design methods and algorithms applied in computer aided road design system are presented in chapter 3 : draw - out algorithm of contour line , plane - design methods etc . we put highlight on the plane - design method and our improvement on this aspect 第三章介绍计算机辅助道路设计系统中所采用的一系列算法,主要包括等高线抽取算法,选线定线算法,平面线形设计算法等等,其中重点介绍平面线形设计算法以及本文对现有算法所作的改进。 |
| 10. | In this paper , the relation among highway alignment , vehicle operating velocity , vehicle fuel consumption and vehicle dynamics is discussed synthetically . to evaluate and optimize the design of highway alignment , a " high alignment - vehicle move and system dynamic response " model has been established . by using the computer program of the system , which is written with visual c + + 6 . 0 , one could easily draw out the variation curves of vehicle operating velocity , vehicle fuel consumption and some certain vehicle dynamics index 公路线形设计以汽车行驶规律为出发点,本文尝试以汽车系统动力学的观点研究道路线形设计问题,针对目前设计中存在的一些问题,建立了“公路路线? ?汽车运行响应模型” ,分为行驶速度、耗油量预测和动力学响应计算两大模块,主要是为了克服传统汽车理论在指导公路路线设计时过于简化汽车,只考虑计算行车速度的弊端,力图通过建立“路线方案? ?行驶车速? ?力学响应”相互之间的量化关系模型,为公路线形指标的选取和优化提供一定的参考价值。 |