spiral easement curve

Coordinate Calculation of Easement Curve Center and Side Stakes Using VB;

使用VB编程实现缓和曲线中边桩坐标计算

A constrained optimization method for deciding easement curve length in the raising operation speed of the existing railway;

既有线提速时缓和曲线长度的最优化算法

Accuracy analysis of coordinating calculation of easement curve;

缓和曲线坐标计算的精度分析

Research on characters and calculation of arc length about parallel sidelines of spiral curve;

缓和曲线的平行边线的性质及弧长计算研究

The method of round or adjustment curve suruey and design is laying geometer out the angle bisector according to cosine the ormern.

全站仪安置在分角线上任意点测设圆曲线,以及缓和曲线原理是根据余弦定理,全站仪测设方法是应用极坐标法进行测设曲线。

On basis of the features of the center line of the railway alignment,the author describes the methods of calculation and treatment of the lateral movement of the adjustment curves and the center line of the railway alignment at curved section,placing emphasis on the derivation of the calculation formula of the transition of the curves.

根据线路中线的特点,介绍了线路平面缓和曲线和线路中线在曲线地段侧移的计算和处理方法。

On the basis of the study of the chevron alignment sign home and abroad, the placing of chevron alignment sign is discussed by the method of tangential protrusion in distance on rural high-level road with adjustment curve.

在国内外关于线形诱导标志的研究基础上 ,按照切线支距法 ,对我国山区高等级公路含有缓和曲线路段的线形诱导标志设置进行了探

Computation formulas of points on transition curve in road construction and application of program CASIO-fx4500;

公路缓和曲线点位计算公式和CASIO-fx4500程序应用分析

The calculation of plan location of pre-cast hollow slab beams on transition curve of small radius;

小半径缓和曲线上预制空心板梁的平面布置计算

Coordinates computation of non-ground transition curve;

非基本型缓和曲线的坐标计算

Laying out of highway curve while the length of relaxative curv e of former half curve is not equal to that of latter half curve;

前后缓和曲线长度不同时道路曲线的测设

Direct precise solving method of interposed transition curve between uncorresponding compound curve arc length

非对称复曲线中插缓和曲线弧长的精确求解

Application of the Length and Parameter of Road Horizontal Transition Curve

公路平面缓和曲线长度及参数的运用

Chevron Alignment Sign Placing on Horizontal Curve with Adjustment Curve

线形诱导标志在带有缓和曲线的平曲线上的设置

Influence of Track Super Elevation on Curve Radius and Transition Curve Length on Passenger Dedicated Line

客运专线超高对曲线半径及缓和曲线长度的影响

Comparative Analysis on the Linetype Mechanical Performances of Two Railway Transition Curves

2种铁路缓和曲线线型力学性能对比分析

On Transition Curve Design of Monorail Line based on Superelevation Time-variable Rate

基于超高时变率的单轨线路缓和曲线长度设计

Study on the Criteria for Minimum Radius of Curve and the Transition Curve for 160km/h Railway Track

时速160公里铁路最小曲线半径与缓和曲线设计标准的研究

Mileage Calculation on the Midline Projection in Clothoid Curve near the Transition Curves Section in Railway Routes

铁路线路缓和曲线路段附近导线点的中线投影里程计算

The Riding Comfort Evaluation Method for Cars Passing Transition Curve

车辆通过缓和曲线时乘坐舒适度评价法

VB program design application in highway transitional curve calculation

VB程序设计在公路缓和曲线计算中的应用

To Resolute Gentle Curve Section Coordinate through Inverse Calculation with Simplified Newton Method

用简化牛顿法进行缓和曲线段坐标反算解算

It presents the rigorous method to calculate the intersecting point coordinate of the straight line with the parallel to the easement curve.

提出了计算直线与缓和曲线平行线交点坐标的严密方法。

The Discussion of Setting out Transition Curve Route with Directional Radial Intersection Method

方位射线交会法应用于缓和曲线段线路放样方法探讨

The mechanism was explained by polarization curves and SEM.

通过极化曲线和扫描电镜研究了该缓蚀剂的缓蚀机理。

Ease Curve Out-of-Range Types

减缓曲线越界循环类型

Study on Differential Curve Parameters of the Inhibitor Adsorption

缓蚀剂吸附的微分极化曲线参数研究

Exploration on Removing Structural Shaking of Trains Passing Through the Entrance to Curves on Fast Railways;

缓解快速线路曲线入口结构性晃车问题的探讨