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Hur mycket vind klarar en vägbom innan den blåser av? (Bana)

av C. Andersson, Rälsboda, E-län, Monday, October 06, 2008, 11:31 (5993 dagar sedan)

Har läst att det blir en stormig höst. Hur mycket vind klarar en vägbom av innan den knakar och går i bitar? Antar att föreningar med äldre bommar demonterar dem på hösten för att undvika onödiga kostnader.

Vilket material använder SJ för sina nyare bommar, är de av trä? Antar att korta bommar (som bara täcker halva körbanan) används för att slippa detta problem.


Hela tråden:

 


Time: 206
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Time: 755
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Time: 935
SELECT COUNT(*) FROM mlf2_entries LEFT JOIN mlf2_akismet_rating ON mlf2_akismet_rating.eid = mlf2_entries.id LEFT JOIN mlf2_b8_rating ON mlf2_b8_rating.eid = mlf2_entries.id WHERE category IN (0, 4, 5, 6, 7, 8, 9, 25, 14, 23, 19, 22, 24, 10, 21, 11, 12, 13, 15, 16, 26, 18, 20, 27) AND (mlf2_akismet_rating.spam = 0 AND mlf2_b8_rating.spam = 0)

Total time: 1905