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Horizontal curves - formulae

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Degree level Surveying & Highway Design (Horizontal curves) Flashcards on Horizontal curves - formulae, created by rhiannonsian on 29/03/2015.
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Flashcards by rhiannonsian, updated more than 1 year ago
rhiannonsian
Created by rhiannonsian over 9 years ago
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Question Answer
Tangent Distance Tangent Distance (m) = R tan (β/2)
Image: 2897b723-58cf-47d4-a265-9bdce877e9b7 (image/png)
Long chord Long Chord (m) = 2 R sin (β/2)
Image: a69989f6-3f9e-4605-a40c-a3a8f6c1a03c (image/png)
Arc Length Arc Length (m) = R.β.p / 180
Image: bde08185-f3d1-4dc2-9af0-81f81dc503af (image/png)
Height of long chord Height of Long Chord (PS) = R (1 - cos (β/2))
Image: efc7e0a1-f4ce-47f3-9407-673cb3214298 (image/png)
External distance External Distance = R (sec (β/2) – 1)
Image: bef837b1-3aa0-41f8-bdd8-ee2b19c41232 (image/png)
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