# Curve calculation questions

Professional Surveyor Boards » General Surveying » Curve calculation questions

Name Message
Hanker
Posts: 6
Location: Ronan, U.S.A.

Joined: 2/19/2009
 Curve calculation questions Flag »  Reply » Hello all, I am preparing to retake my Mt. PLS exam in April, and this may sound way off course but,......can any of you all tell me some of the formulas for horizontal curve resolution? I am writing a program for the HP50 that will allow you to enter any 2 of the main components, the missing one being degree of curve. I am lacking a few and developing ulcers looking for and/or trying to derive my own formulas. Any reply appreciated, thanks
Thursday, February 19, 2009 at 6:55:29 PM
Eagle
Posts: 4

Joined: 4/5/2009
 Re: Curve calculation questions Flag »  Reply » DEGREE OF CURVE= 5729.58/R TANGENT=RTAN(I/2) :I= INTERSECTION ANGLE BETWEEN TANGENT L=R*I*PI/180           :PI=3.1416 LC=2*R*SIN(I/2) M=R{1-COS(I/2)} E=R{1/COS(I/2)-1} GOOD LUCK EAGLE
Monday, April 6, 2009 at 12:24:59 AM
Hanker
Posts: 6
Location: Ronan, U.S.A.

Joined: 2/19/2009
 Re: Curve calculation questions Flag »  Reply » Thanks for the input Eagle, I appreciate it, Hanker
Monday, April 6, 2009 at 4:06:36 PM
Eagle
Posts: 4

Joined: 4/5/2009
 Re: Curve calculation questions Flag »  Reply » wellcome feel free for any question may I can help
Tuesday, April 7, 2009 at 7:21:21 AM
wxm
Posts: 50

Joined: 5/5/2016
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