1) easement-circular curve
缓圆曲线
1.
Programming and computing the measuring coordinates on easement-circular curve with programmable calculator;
用计算器编程计算缓圆曲线上的测量坐标
2.
According to the principle of coordinate transtation and rotation,and the formula of positive compuatation and its inversion,the computation formula of measuring coordinates of an arbitrary point on the easement-circular curve,in order to use marking out with the coordinate system in highway construction is worked out.
根据坐标的平移、旋转原理和正算、反算公式,推出缓圆曲线上任意点测量坐标的计算公式,以便在道路施工中采用坐标制放线。
2) easement curve
缓和曲线
1.
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
2.
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
3.
Accuracy analysis of coordinating calculation of easement curve;
缓和曲线坐标计算的精度分析
4) spiral curve
缓和曲线
1.
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
5) adjustment curve
缓和曲线
1.
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。
2.
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。
3.
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
6) transition curve
缓和曲线
1.
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
2.
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
3.
Coordinates computation of non-ground transition curve;
非基本型缓和曲线的坐标计算
补充资料:Dinostratus割圆曲线
Dinostratus割圆曲线
Dmostratus quadratrix
n如州.如创回曲线[n比州几血.甲.翻廿妞;八。。oeTpaTa 二一a八paTp.ea』 超越平面曲线,在D留cart巴直角坐标系中其方程 为 兀X y=xcotan云汾, _--一2a 在极坐标中,其方程为 p一些匕2过. 兀CC6势 D蜘咙如t璐割圆曲线具有无穷麦全分支(见图乙宣坦 与x轴相交于点x=土a,土3a,土sa,…,并具有渐近线 x二土2a,土4a,李由,·…创门与直线y=劝加的交点是拐 点. 千晒{ 伊利斯的HIPp姚(公元前420年)首先考虑了割圆 曲线.公幻嘴tIa油(公元前4世纪后半期)证明:可以 借助于割圆曲线用作图法解决化回为方问题〔qua比ra- t也吧oft比cn℃le).八.八.自‘。月。日撰 【补注】这一曲线也称为HIPp此割圆曲线(HIPP俪 q珑以ratrix),见[A 1].
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条