Do they consider curvature of the earth when they build tunnels?

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Do they consider curvature of the earth when they build tunnels?
mliu Offer Upgrade User ID: 75312850 United States 08/22/2018 01:06 PM Report Abusive Post Report Copyright Violation	Do they consider curvature of the earth when they build tunnels? Especially for those long tunnels and build from both end which will meet in the middle. If they do not consider the curvature of the earth. Then there will be the solid proof the earth is not round. There is no way they can met joint point perfectly without calculate the curvature of the earth.

Kodiak Island User ID: 73079367 United States 08/22/2018 01:08 PM Report Abusive Post Report Copyright Violation	Re: Do they consider curvature of the earth when they build tunnels? The building of the Chunnel they had to. Anything longer than 3 or 4 miles, the curvature must be taken into account. Kodiak
Anonymous Coward User ID: 76341241 United States 08/22/2018 01:29 PM Report Abusive Post Report Copyright Violation	Re: Do they consider curvature of the earth when they build tunnels? No, don't you know the Earth's flat
silverbird User ID: 75436794 United States 08/22/2018 01:36 PM Report Abusive Post Report Copyright Violation	Re: Do they consider curvature of the earth when they build tunnels? We live in a firmament [ dome ] on a earth that is unmovable [ doesn’t move ] resting on 4 pillars. The earth is flat get use to it that is where you live. One video of the earth rotating on it’s axis and I’ll eat my words and apologize with deep sincerity.
Anonymous Coward User ID: 46775474 United States 08/22/2018 01:37 PM Report Abusive Post Report Copyright Violation	Re: Do they consider curvature of the earth when they build tunnels? The building of the Chunnel they had to. Anything longer than 3 or 4 miles, the curvature must be taken into account. Quoting: Kodiak Island The Gotthard Base Tunnel in Switzerland is 35 miles long so engineers would have to account for 817 feet of curvature! Did they? No! Why? They know the earth is flat.
Anonymous Coward User ID: 70394243 United States 08/22/2018 02:11 PM Report Abusive Post Report Copyright Violation	Re: Do they consider curvature of the earth when they build tunnels? how are pencils straight if the earth is a globe... fucking cmon if my grandma had wheels she would have been a bicycle. the earth is so big you don't need to account for the curvature. Take a level and keep leveling for miles... the curvature will have no effect since the size is so big.
mliu (OP) User ID: 75312850 United States 08/22/2018 04:50 PM Report Abusive Post Report Copyright Violation	Re: Do they consider curvature of the earth when they build tunnels? I want to talk to Elon about dig a hole through the earth to the other side. That way we can travel to China with almost no energy cost. Total Green. Just drop into the hole in LA and show up in Beijing no engine needed. Also since it is in straight line. it will be the shorted distance as well. I call this Project EarthX. Elon, Call me! wink wink.
mliu (OP) User ID: 75312850 United States 08/22/2018 04:50 PM Report Abusive Post Report Copyright Violation	Re: Do they consider curvature of the earth when they build tunnels? The building of the Chunnel they had to. Anything longer than 3 or 4 miles, the curvature must be taken into account. Quoting: Kodiak Island The Gotthard Base Tunnel in Switzerland is 35 miles long so engineers would have to account for 817 feet of curvature! Did they? No! Why? They know the earth is flat. Quoting: Anonymous Coward 46775474 Thanks, great info!!!
mliu (OP) User ID: 75312850 United States 08/22/2018 04:55 PM Report Abusive Post Report Copyright Violation	Re: Do they consider curvature of the earth when they build tunnels? The building of the Chunnel they had to. Anything longer than 3 or 4 miles, the curvature must be taken into account. Quoting: Kodiak Island The Gotthard Base Tunnel in Switzerland is 35 miles long so engineers would have to account for 817 feet of curvature! Did they? No! Why? They know the earth is flat. Quoting: Anonymous Coward 46775474 Do you have a link to confirm this information? TIA
Anonymous Coward User ID: 51031768 United States 08/22/2018 05:06 PM Report Abusive Post Report Copyright Violation	Re: Do they consider curvature of the earth when they build tunnels? how are pencils straight if the earth is a globe... fucking cmon if my grandma had wheels she would have been a bicycle. the earth is so big you don't need to account for the curvature. Take a level and keep leveling for miles... the curvature will have no effect since the size is so big. Quoting: Anonymous Coward 70394243 So you are saying penis's don't curve?
mliu (OP) User ID: 75312850 United States 08/22/2018 05:16 PM Report Abusive Post Report Copyright Violation	Re: Do they consider curvature of the earth when they build tunnels? how are pencils straight if the earth is a globe... fucking cmon if my grandma had wheels she would have been a bicycle. the earth is so big you don't need to account for the curvature. Take a level and keep leveling for miles... the curvature will have no effect since the size is so big. Quoting: Anonymous Coward 70394243 So you are saying penis's don't curve? Quoting: Anonymous Coward 51031768 He probably saying he is math challenged.
Anonymous Coward User ID: 54932725 United States 08/22/2018 05:44 PM Report Abusive Post Report Copyright Violation	Re: Do they consider curvature of the earth when they build tunnels? The building of the Chunnel they had to. Anything longer than 3 or 4 miles, the curvature must be taken into account. Quoting: Kodiak Island The Gotthard Base Tunnel in Switzerland is 35 miles long so engineers would have to account for 817 feet of curvature! Did they? No! Why? They know the earth is flat. Quoting: Anonymous Coward 46775474 What is 817 feet compared to the height of mountains?
Anonymous Coward User ID: 73525203 United States 08/22/2018 05:57 PM Report Abusive Post Report Copyright Violation	Re: Do they consider curvature of the earth when they build tunnels? Tunnels have a fixed start point A and a fixed end point B. The tunnel goes from A to B. The tunnel is curved to minimize drop and ascent.

Anonymous Coward User ID: 76859088 Israel 08/22/2018 05:59 PM Report Abusive Post Report Copyright Violation	Re: Do they consider curvature of the earth when they build tunnels? The Swedes did not compensate. The British did.
They Don't User ID: 76724217 United Kingdom 08/22/2018 06:02 PM Report Abusive Post Report Copyright Violation	Re: Do they consider curvature of the earth when they build tunnels? Yes. All civil engineers and surveyors take into account the eight inches per mile squared curvature equation. Oh, wait. Actually, they don't!
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Do they consider curvature of the earth when they build tunnels?