Diskussion:Vágartunnelen
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Some questions ...
[rediger kildetekst]Hi, did they really used "Dynamit" or one of the modern materials? And "1000 tons of concrete (beton)" for 4900m are 0.204 to (204 kg) / m - this seem to be impossible --83.228.190.62 10. dec 2017, 21:18 (CET)
- According to the official website of the two subsea tunnels Vágatunnilin and Norðoyatunnilin they used dynamite. It says (in Faroese):
- "Spreinging: Sprongdir eru 327.000 kubikkmetrar av gróti úr Vágatunlinum. Til hetta arbeiðið eru nýtt 850 tons av spreingievni. 1000 tons av betongi eru nýtt at tetta lekar við."
- The last sentence means: "1000 ton of concrete are used to seal up leaks." EileenSanda (diskussion) 11. dec 2017, 08:16 (CET)
- Regarding dynamite, no you are right, the website does not mention dynamite, it says "spreingievni" which means explosives. Why do you think it is impossible that they only used 1000 tons of concrete to seal up leaks? The tunnel consists of basalt, concrete is only used to in some places where leaks might be. I have no opion if it is very little concrete or not, but that is what the official website of the subsea tunnels of Vágatunnilin and Norðoyatunnilin says. EileenSanda (diskussion) 11. dec 2017, 09:20 (CET)
- Usually, modern tunnels have concrete all around - on top, on both sides, on the ground below the asphalt. all the drainage, security areas and so on are made of concrete - usually in pure rock (no matter if the tunnel is in the mountains or beneath the sea) and of course in sandy area and so on. Modern tunnels which consists only of a little bit of asphalt for the road and pure, open rock all around seem to me very rarely. 1000 tons are 30-40 trucks of concrete - enough to fill the leaks, but really enough for the entire tunnel? It would be great if someone could confirm that there is no concrete except of the leaks. --Peter2 (diskussion) 11. dec 2017, 23:59 (CET)
- I have personally driven through the tunnel a couple of times, and concrete is used for where leaks are, and could form, for drainage (at the sides), and for emergency facilities and such, the vast majority of the tunnel sides and roof is bare rock, this is also the same for most tunnels in the faroes, the dense and very solid basalt rock, is very stabile, and the lack of tectonic activity there, means there is not much need to seal it all off. -- Best regards Vrenak (diskussion) 12. dec 2017, 00:04 (CET)
- Thanks - I just looked at the photo at http://www.tunnil.fo/, - I should have done it before my posting ;-) But nevertheless, it's fine that it is clear now here on discussion side and on the article. Have a fine time! --Peter2 (diskussion) 12. dec 2017, 00:13 (CET)
- I have personally driven through the tunnel a couple of times, and concrete is used for where leaks are, and could form, for drainage (at the sides), and for emergency facilities and such, the vast majority of the tunnel sides and roof is bare rock, this is also the same for most tunnels in the faroes, the dense and very solid basalt rock, is very stabile, and the lack of tectonic activity there, means there is not much need to seal it all off. -- Best regards Vrenak (diskussion) 12. dec 2017, 00:04 (CET)
- Usually, modern tunnels have concrete all around - on top, on both sides, on the ground below the asphalt. all the drainage, security areas and so on are made of concrete - usually in pure rock (no matter if the tunnel is in the mountains or beneath the sea) and of course in sandy area and so on. Modern tunnels which consists only of a little bit of asphalt for the road and pure, open rock all around seem to me very rarely. 1000 tons are 30-40 trucks of concrete - enough to fill the leaks, but really enough for the entire tunnel? It would be great if someone could confirm that there is no concrete except of the leaks. --Peter2 (diskussion) 11. dec 2017, 23:59 (CET)