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Old October 18th, 2012, 07:56 PM   #4721
Sunfuns
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Most TGV lines are neither in tunnel nor on a viaduct. It's just not done unless geography dictates it. Looks like Chinese have a different philosophy about it.

In Europe the densest concentration of tunnels/viaducts is on the Italian HSR stretch between Florence and Bologna (78 km, 95% in tunnel or on a viaduct). Geography there is very difficult (Apennines mountains) and the final cost was very high - about 87 million $/km.
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Old October 18th, 2012, 09:39 PM   #4722
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Quote:
Originally Posted by Sunfuns View Post
about 87 million $/km.
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Old October 18th, 2012, 11:51 PM   #4723
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The original estimate (early 90-ties) was only 17 million $/km, but even the final number is not that remarkable for about 70 km of tunnels (only 1.1 km on viaduct). Gotthard/Ceneri base tunnel system in Switzerland will be more expensive than that when divided in $/km...

By comparison the continuation of the same line (to Milan) in much easier terrain (no lengthy tunnels) albeit densely populated territory ended up costing abou 32 million $/km. Still a lot more than French or Spanish lines through flat agricultural land, though.
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Old October 19th, 2012, 01:21 AM   #4724
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Tomorrow, a new high-speed railway connecting Hefei and Bengbu, two cities of east China's Anhui Province, will be put into operation on Oct. 16. The new rail line covers a distance of 132 kilometers and trains will run on it at a designed speed of 350 km per hour.

source: http://www.traveldailynews.asia/news...urther-develop

old article, but proves the point of the current increase in speed
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Old October 19th, 2012, 02:32 AM   #4725
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Tomorrow, a new high-speed railway connecting Hefei and Bengbu, two cities of east China's Anhui Province, will be put into operation on Oct. 16. The new rail line covers a distance of 132 kilometers and trains will run on it at a designed speed of 350 km per hour.

source: http://www.traveldailynews.asia/news...urther-develop

old article, but proves the point of the current increase in speed
The way they word the last sentence makes it seem that trains will definitely run at 350km/h.
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Old October 19th, 2012, 02:55 AM   #4726
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Or maybe just a bad editing/translation of the article as we all know is very common in railway-related news?
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Old October 19th, 2012, 02:26 PM   #4727
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Given there's been nothing from the MOR, I highly doubt that that's anything more than a bad translation of 'a design speed of 350 km/h'
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Old October 19th, 2012, 04:21 PM   #4728
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It is second half of October.

On which day of this month shall Buji Station open?
Still some work to be done on the platforms, mainly cleaning, but I saw the platform displays were working already. Hope they will open it soon.
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Old October 19th, 2012, 05:02 PM   #4729
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After more than 4-months of joint debugging and joint tests, Harbin-Dalian High-speed Railway will be on trial on Dec. 8th and to put into operation one month later.

http://english.dbw.cn/system/2012/10/11/000573541.shtml
Then in which year shall Harbin-Dalian high speed railway be put into operation?
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Old October 19th, 2012, 07:05 PM   #4730
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Quote:
Originally Posted by Pansori View Post
Or maybe just a bad editing/translation of the article as we all know is very common in railway-related news?
Most likely, I just let myself get excited at the possibility of 350km/h for a moment.

a couple of cockpit videos going over 300km/h:


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Old October 19th, 2012, 07:15 PM   #4731
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Just misinterpretation, the design speed is 350km/h but "initial operation speed is 300km/h."
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Old October 19th, 2012, 11:44 PM   #4732
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Quote:
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Just misinterpretation, the design speed is 350km/h but "initial operation speed is 300km/h."
The current 300km/h is a soft limit. For example, on the BJ-SH line, many G trains run at about 310km/h for long period of time.

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Old October 20th, 2012, 12:37 AM   #4733
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Absolutely, but it's a YMMV depends on the rules of each railway bureau, for example Wuhan-Guangzhou line is pretty strict about over speed, I think they only allow a few km/h over the limit, so lots of drivers opt for traveling at 295km/h to avoid fines.
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Old October 20th, 2012, 01:37 AM   #4734
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Do these trains have "cruise control?" Set it to 300, 350 or 500 [IMG]http://i49.************/den40j.jpg[/IMG]and forget it. Due to scheduling I'm sure there's no reason to speed.
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Old October 20th, 2012, 11:41 AM   #4735
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Investigate the 30 year old TVM 300 system and go from there. Its not cruise control because it is dependent on movement authorities, but the driver doesn't have to balance power to obtain a given speed so it sort of is.
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Old October 21st, 2012, 05:00 AM   #4736
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The driver has a lever that controls the speed, once a desired speed is obtained it should stay at that speed unless the lever is moved again, so it's like cruise control but that's the only control the drive has, instead of like in a car where speed can also be controlled via gas pedal. The drivers all tend to go over the speed limit a little bit so that the train will not be late at the next station, or give it more time to deal with passenger who make cause the train's stop to be a few seconds longer than planned, of course it must be within the CTCS tolerance.
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Old October 21st, 2012, 08:51 AM   #4737
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..so they really lifted the building OR they demolished & rebuilt it exactly.?? this is because, as far as i know, the chinese government LOVES to demolish & rebuilt it exactly or even bigger which has los the original herritage value
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the old station house was lifted from ground and moved to a nearby new location. It is preserved and will reopen as a railway museum.

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Old October 21st, 2012, 04:02 PM   #4738
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..so they really lifted the building OR they demolished & rebuilt it exactly.?? this is because, as far as i know, the chinese government LOVES to demolish & rebuilt it exactly or even bigger which has los the original herritage value
They really lifted and moved it, it's not the first time. If a buildings condition is too bad to restore they rebuild it.
If it's good they move it like here.

In Shanghai they moved an old school.

image hosted on flickr


image hosted on flickr






In Zhengzhou they moved an old museum 100m for the metro.






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Old October 22nd, 2012, 11:08 AM   #4739
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[QUOTE=VECTROTALENZIS;96585770]They really lifted and moved it, it's not the first time. If a buildings condition is too bad to restore they rebuild it.
If it's good they move it like here.

In Shanghai they moved an old school.





In Zhengzhou they moved an old museum 100m for the metro.



[But don't you think it is FUNNY to move a building--( WASTE OF MONEY , TIME, ENERGY) ?...why can't they just preserved the building at the original location & shift the project to other location.

Just look at PARIS, FRANCE, tHE whole PARIS is so DIFFERENT from other cities around the world.

SHANGHAI is just a TYPICAL/ NORMAL cities around the world with high-rises & Glass buildings...THERE is no UNIQUE.!!!

PRESERVED THE BUIDLING THE WAY IT SHOULD BE PRESERVED & NOT by rebuilding or shift it ]
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Old October 22nd, 2012, 03:39 PM   #4740
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PRESERVED THE BUIDLING THE WAY IT SHOULD BE PRESERVED & NOT by rebuilding or shift it ]
Wasn't Paris demolished in the 19th century and rebuilt according to Haussmann's plan?
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