Glossary entry

Dutch term or phrase:

holle bocht

English translation:

concave curve

Added to glossary by marcosdp
Aug 9, 2020 20:03
3 yrs ago
19 viewers *
Dutch term

holle bocht

Dutch to English Tech/Engineering Automotive / Cars & Trucks Train specifications
De minimaal berijdbare holle en bolle bocht worden eveneens aangegeven.
Proposed translations (English)
4 +2 concave curve

Discussion

marcosdp (asker) Aug 9, 2020:
Hi michael,
Correct. Both "bochten" and "bogen" are mentioned. Holle bocht is mentioned several times, while holle bogen is mentioned only once.
Michael Beijer Aug 9, 2020:
bogen … bochten? you wrote:

HOLLE EN BOLLE BOGEN

so your text refers to both "bochten", and "bogen", right?

Or is this a typo on your part?



btw, Groot Woordenboek Industrie & Techniek (GWIT) has the following:

boogstraal
1. [GEOM.] arc radius, curvature radius
2. [BUILD.] arch radius
3. [RAIL.] (bij spoorlijnen) curve radius
marcosdp (asker) Aug 9, 2020:
Hi Michael, thanks for your response. I accidentally put this in the "cars and trucks" category, while it should be under "trains" (but i think it can also apply). Here's some more details from the text:

Plan van de studie van het voertuig op hellingen en overgangen volgens de specificatie
van de spoorinfrastructuur voor de minimaal berijdbare HOLLE en bolle BOCHT, alsook voor een HOLLE en een bolle BOCHT, voor bochten van 400 en 500m. De minimaal berijdbare HOLLE en bolle BOCHT worden eveneens aangegeven (rekening houdend met C.)
___________________________________________________
De Inschrijver dient in de invultabel die onder titel O20 van Bijlage 4 voor dit subsubgunningscriterium is opgenomen, opgave te doen van de specifieke functionaliteiten en technologie waarmee de door hem voorgestelde Trams, voor wat de onderstaande aspecten betreft, zullen worden uitgerust:
- bodemvrijheid;
- HOLLE EN BOLLE BOGEN;
- boogstralen;
- scheluwte;
- hoogtecompensatie-systeem;
Michael Beijer Aug 9, 2020:
@Marcos: Do you have any more context for us?
Michael Beijer Aug 9, 2020:
hmm I wonder of it has something to do with the "cant" of a railway track? …
have a look here: https://en.wikipedia.org/wiki/Cant_(road/rail)
Michael Beijer Aug 9, 2020:
maybe holle en bolle bocht (= buitenbocht en binnenbocht)
=
outside and inside bend?

Proposed translations

+2
1 hr
Selected

concave curve

see my D.box entries

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Note added at 1 hr (2020-08-09 21:35:11 GMT)
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see e.g.: http://www.dot.state.oh.us/Divisions/Engineering/Roadway/Doc...

"Rail can be curved either convex or concave as required. Terms convex or concave refer to the direction curved, inward or outward, relative to the traffic face of the rail."

--------------------------------------------------
Note added at 1 hr (2020-08-09 21:38:02 GMT)
--------------------------------------------------

see: https://cwcs.us/wp-content/uploads/2014/07/Radius_Rail_Chart...




--------------------------------------------------
Note added at 1 hr (2020-08-09 21:40:04 GMT)
--------------------------------------------------

see: https://www.sciencedirect.com/topics/engineering/curve-radiu...


Peer comment(s):

agree Barbara Schmidt, M.A. (X) : agree
10 hrs
Thanks!
agree Tina Vonhof (X)
17 hrs
Thanks!
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