daily menu » rate the banner | guess the city | one on oneforums map | privacy policy | DMCA | news magazine | posting guidelines

Go Back   SkyscraperCity > Infrastructure and Mobility Forums > Railways

Railways (Inter)national commuter and freight trains



Global Announcement

As a general reminder, please respect others and respect copyrights. Go here to familiarize yourself with our posting policy.


Reply

 
Thread Tools
Old February 10th, 2013, 10:38 AM   #5441
hmmwv
Registered User
 
hmmwv's Avatar
 
Join Date: Jul 2006
Location: Seattle
Posts: 2,391
Likes (Received): 420

Quote:
Originally Posted by FM 2258 View Post


Cold rolling test? Interesting. What's the point of a cold rolling test?
Quote:
Originally Posted by stoneybee View Post
I am no expert here, but I think it is to field test specification and tolerance level. No different than the initial sea trial or shake-down cruise for newly launched ships.

You can only find out the truth when the "rubber hits the road" so to speak.
Quote:
Originally Posted by Silver Swordsman View Post
Wouldn't they have testing tracks for that?
A cold rolling test uses an actual CRH trainset to travel on a just finished HSR line to assess its physical specifications, the trains do not travel on its own power, it's there to make sure the tracks are up to specs. A hot rolling test is when the train runs on its own power to assess the power distributions systems as well as any issues associated with a powered EMU. Then we have the actual test run which will see the EMU to reach its designed operating speed and beyond, this will test everything above plus the signaling systems, this is referred as joint calibration and testing. The last stage would be trial operation.
__________________
The building under construction next to Shanghai Tower is Oriental Financial Center. The "plot" next to Jinmao is reserved green belt and no skyscraper will be built there.

:jax: liked this post
hmmwv no está en línea   Reply With Quote

Sponsored Links
Old February 11th, 2013, 11:00 AM   #5442
China Hand
Registered User
 
Join Date: Jun 2012
Posts: 705
Likes (Received): 161

Quote:
Originally Posted by hmmwv View Post
Multiple short tunnels are fine, but multiple long tunnels is more likely to cause problem. I have to agree though, that slowing to 80km/h is extremely unlikely to be caused by tunnels, actually I doubt it will slow to that speed at all, probably from 300km/h to 200km/h, but 80? No.

Of course trains routinely go 300km/h through tunnels around the world, but do they do that when the tunnel is a few kilometers long and the next tunnel is only a couple of hundred meters away? With tunnels of the same diameter, the longer it is the higher pressure will build up inside, similar to a gun barrel
I was on the ShiJiaZhuang to Taiyuan leg of the CRH line from Beijing and the speed was 147 kph through the mountains and then 200 down the hill into Taiyuan. This section had many tunnels through mountainous terrain at a constant speed of 147-152 all the way. Then it opened up to 200 to Taiyuan.

From Beijing to SJZh the speed was 295-300 the entire journey. This was ballast-less.

The SJZh to Taiyuan track was NOT ballast-less so it was rated for 250 or so most likely (system runs at 80% of max rated speed it seems...), similar to the Datong, Hohhot lines will be next year.
China Hand no está en línea   Reply With Quote
Old February 11th, 2013, 12:04 PM   #5443
VECTROTALENZIS
★ ★ ★ ★ ★ ★
 
VECTROTALENZIS's Avatar
 
Join Date: Jul 2010
Location: Sweden
Posts: 4,236
Likes (Received): 4436

Where can I find prices of HSR routes?

How much does a first class ticket cost from Beijing to Shanghai?
How about first class ticket from Shanghai to Wuhan and then Wuhan to Guangzhou?
VECTROTALENZIS está en línea ahora   Reply With Quote
Old February 11th, 2013, 12:23 PM   #5444
chornedsnorkack
Registered User
 
Join Date: Mar 2009
Posts: 4,980
Likes (Received): 388

Quote:
Originally Posted by VECTROTALENZIS View Post
Where can I find prices of HSR routes?
Many places - I find most convenient:
http://www.travelchinaguide.com
Quote:
Originally Posted by VECTROTALENZIS View Post
How much does a first class ticket cost from Beijing to Shanghai?
G trains - 933 yuan
D trains - only D319, 648 yuan
Quote:
Originally Posted by VECTROTALENZIS View Post
How about first class ticket from Shanghai to Wuhan
Only D trains run;
"Wuhan" - 316 yuan
Hankou - travelchinaguide seems to have problems
Wuchang - also problems
Quote:
Originally Posted by VECTROTALENZIS View Post
and then Wuhan to Guangzhou?
G trains:
Wuhan to Guangzhou South - 740 yuan
Wuhan to Guangzhou North - problems again
D trains:
Wuhan to Guangzhou South - 528 yuan
Wuhan to Guangzhou North - problems again
chornedsnorkack no está en línea   Reply With Quote
Old February 11th, 2013, 07:05 PM   #5445
China Hand
Registered User
 
Join Date: Jun 2012
Posts: 705
Likes (Received): 161

Quote:
Originally Posted by hmmwv View Post
A cold rolling test uses an actual CRH trainset to travel on a just finished HSR line to assess its physical specifications, the trains do not travel on its own power, it's there to make sure the tracks are up to specs. A hot rolling test is when the train runs on its own power to assess the power distributions systems as well as any issues associated with a powered EMU. Then we have the actual test run which will see the EMU to reach its designed operating speed and beyond, this will test everything above plus the signaling systems, this is referred as joint calibration and testing. The last stage would be trial operation.
So a very simplified PM Chart would look like this?:

Route selection
Land acquisition
Soil testing
Lay pillars
Lay prefab sections
Install safety railing
Install ballast/less ties
Install rail
Install signal/control systems
Cold Rolling test with CRH towed behind older loco
Hot rolling test
Test run
Trial Operation
Opening day
Normal Operation
China Hand no está en línea   Reply With Quote
Old February 12th, 2013, 09:22 PM   #5446
chornedsnorkack
Registered User
 
Join Date: Mar 2009
Posts: 4,980
Likes (Received): 388

Quote:
Originally Posted by gnatho View Post
It definitely won't be open before and shortly after the Spring Festival. Gaotie.cn reports "first half of 2013"

source
Now reported to be June:
http://www.whatsonningbo.com/travel-msg-556.html
chornedsnorkack no está en línea   Reply With Quote
Old February 13th, 2013, 06:55 PM   #5447
boblee.bl
Registered User
 
Join Date: Oct 2011
Posts: 4
Likes (Received): 1

what major HSR projects are in the making for 2013 ?
boblee.bl no está en línea   Reply With Quote
Old February 15th, 2013, 03:38 PM   #5448
chornedsnorkack
Registered User
 
Join Date: Mar 2009
Posts: 4,980
Likes (Received): 388

Quote:
Originally Posted by chornedsnorkack View Post
Now that it is December 2012, which railway lines are on schedule to open in 2013?

Panjin-Yingkou?
Hangzhou-Ningbo?
Xiamen-Longhua?
Confirmed so far.
Quote:
Originally Posted by chornedsnorkack View Post
Xian-Baoji?
Lichuan-Chongqing?
Chongqing-Suining?
Also alleged
Quote:
Originally Posted by chornedsnorkack View Post
Nanning-Qinzhou?
Hengyang-Guilin-Liuzhou?
Datong-Xian?
Maoming-Zhanjiang?
Tianjin-Baoding?
Nanchang-Fuzhou?
Guangzhou-Nanning?
Nanjing-Hangzhou?
Wuchang-Xianning?
Wuhan-Huangshi?
Wuhan-Huanggang?
Beijing-Tangshan?
Qingdao-Rongcheng?
Harbin-Qiqihar?
Chongqing-Wanzhou?
Shenyang-Dandong?
Hangzhou-Huangshan?
Liuzhou-Nanning?
Can anyone check up on these? Besides Nanjing-Hangzhou, which is confirmed for this year.
chornedsnorkack no está en línea   Reply With Quote
Old February 15th, 2013, 05:53 PM   #5449
doc7austin
Registered User
 
Join Date: Jun 2012
Posts: 380
Likes (Received): 813

You can see now some photos of the new High Speed Line Nanning - Guangzhou over this year's Chinese New Year.
Photos were taken through a dirty window of a K-Train between Nanning and Yulin, Guangxi Province.



In Nanning:





Between Nanning and Guigang:

















The High Speed Rail Line crossing the Yongjiang River near Nanning:





I have no information when this Line between Guangzhou and Nanning will be finished. However, I have not seen many workers being at the construction site.
__________________

Pansori, big-dog liked this post
doc7austin no está en línea   Reply With Quote
Old February 15th, 2013, 11:35 PM   #5450
FM 2258
Registered User
 
FM 2258's Avatar
 
Join Date: Jan 2004
Location: Austin
Posts: 5,438
Likes (Received): 612



Great pictures doc7austin, I assume this line will go to Guangzhou South? I also love the videos you have on Youtube for CRH trains. Really great to watch, high quality.
FM 2258 no está en línea   Reply With Quote
Old February 16th, 2013, 05:12 AM   #5451
China Hand
Registered User
 
Join Date: Jun 2012
Posts: 705
Likes (Received): 161

Comparing those photos to the progress along the Datong-Xi'an line it's a good 2+ years before this line opens up.
China Hand no está en línea   Reply With Quote
Old February 17th, 2013, 03:36 AM   #5452
foxmulder
Registered User
 
foxmulder's Avatar
 
Join Date: Dec 2007
Posts: 2,135
Likes (Received): 382

Nice updates doc7austin!
foxmulder no está en línea   Reply With Quote
Old February 17th, 2013, 11:20 AM   #5453
gnatho
Registered User
 
Join Date: May 2011
Posts: 24
Likes (Received): 4

Ningbo - Hangzhou (杭甬) HSR opening delayed again. Gaotie.cn reports summer 2013. I managed to take one (blurry) picture of Hangzhou East Station today.

Hangzhou East 02/17

In Ningbo, construction of the new railway station doesnt seem very advanced either. I visit the place quite often and I don't see a lot of progress since last year. I'll try to post some better pictures this week.

Is that true that after Ningbo (West?) and Hangzhou East would be completed, the two stations that currently operate service (Ningbo East and Hangzhou South) would be demolished ?
__________________

cfredo liked this post
gnatho no está en línea   Reply With Quote
Old February 17th, 2013, 03:26 PM   #5454
China Hand
Registered User
 
Join Date: Jun 2012
Posts: 705
Likes (Received): 161

Quote:
Originally Posted by boblee.bl View Post
what major HSR projects are in the making for 2013 ?
The big ones are the E-W lines from Shanghai/Hangzhou through Wuhan/Changsha to Chongqing, Chendgu and Kunming.

A few smaller intercity lines - Hangzhou-Nanjing, Xian to Baoji (this part of the line from Xian to Ulumuqi, are supposed to open as well.
China Hand no está en línea   Reply With Quote
Old February 18th, 2013, 04:13 AM   #5455
FM 2258
Registered User
 
FM 2258's Avatar
 
Join Date: Jan 2004
Location: Austin
Posts: 5,438
Likes (Received): 612



The Hangzhou-Nanjing line will be really great. There was no direct rail service between these cites before correct?
FM 2258 no está en línea   Reply With Quote
Old February 18th, 2013, 11:09 AM   #5456
Silly_Walks
Registered User
 
Join Date: Aug 2010
Posts: 3,980
Likes (Received): 836



I believe it is direct (no transfer necessary), but it goes by Shanghai.
Silly_Walks no está en línea   Reply With Quote
Old February 18th, 2013, 11:55 AM   #5457
Norge78
Registered User
 
Norge78's Avatar
 
Join Date: Nov 2010
Posts: 471
Likes (Received): 388

Harbin-Dalian HSR

http://www.youtube.com/watch?v=JQAxBXkjgsM
Norge78 no está en línea   Reply With Quote
Old February 18th, 2013, 02:07 PM   #5458
China Hand
Registered User
 
Join Date: Jun 2012
Posts: 705
Likes (Received): 161

Quote:
Originally Posted by FM 2258 View Post


The Hangzhou-Nanjing line will be really great. There was no direct rail service between these cites before correct?
Yes, I think so. Many trains Hangzhou-Nanjing but all currently go through Shanghai.

Jiangsu, Anhui, Shanghai and ZheJiang have the best HSR concentration in the world right now. Many of the stations within 300kms of Shanghai are commuter style stations designed for heavy daily recurring ridership.

You can get from Shanghai to most places in China once the Kunming and Chengdu lines open. Down the coast, Ningbo, Hangzhou, local lines out to Changzhou and Nanjing, Beijing, Wuhan, Changsha - just about anywhere you would want to go.
__________________

FM 2258 liked this post
China Hand no está en línea   Reply With Quote
Old February 18th, 2013, 04:20 PM   #5459
chornedsnorkack
Registered User
 
Join Date: Mar 2009
Posts: 4,980
Likes (Received): 388

Quote:
Originally Posted by China Hand View Post
Yes, I think so. Many trains Hangzhou-Nanjing but all currently go through Shanghai.
All high speed trains - 17 G trains, and 10 D trains.

Many slow speed trains also go through Shanghai. 488 km Nanjing-Hangzhou via Shanghai South.

But many slow speed trains also go Wuhu and Xuancheng. This is shorter than via Shanghai, namely 429 km, but it is also a detour, to the west.

If Nanjing-Shanghai high speed railway via Huzhou opens, it shall be just 251 km, which is 213 km shorter than Nanjing-Hongqiao-Hangzhou, and even 44 km shorter than Nanjing-Hongqiao alone.
Quote:
Originally Posted by China Hand View Post
Jiangsu, Anhui, Shanghai and ZheJiang have the best HSR concentration in the world right now. Many of the stations within 300kms of Shanghai are commuter style stations designed for heavy daily recurring ridership.
How many commuter stations are in Anhui on Nanjing-Hefei and Nanjing-Xuzhou high speed railways? And how is the current progress of Nanjing-Anqing high speed railway?
__________________

FM 2258 liked this post
chornedsnorkack no está en línea   Reply With Quote
Old February 18th, 2013, 05:05 PM   #5460
FM 2258
Registered User
 
FM 2258's Avatar
 
Join Date: Jan 2004
Location: Austin
Posts: 5,438
Likes (Received): 612



Do these D trains run on the 350km/h line from Shanghai to Nanjing or the slower freight line next to the high speed line? I remember seeing a video on Youtube with a CRH1 and CRH2 running on the Shanghai-Nanjing line showing the 350km/h railway still under construction.

FM 2258 no está en línea   Reply With Quote


Reply

Tags
china, high speed rail

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Related topics on SkyscraperCity


All times are GMT +2. The time now is 08:47 PM.


Powered by vBulletin® Version 3.8.11 Beta 4
Copyright ©2000 - 2018, vBulletin Solutions Inc.
Feedback Buttons provided by Advanced Post Thanks / Like (Pro) - vBulletin Mods & Addons Copyright © 2018 DragonByte Technologies Ltd.

vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2018 DragonByte Technologies Ltd.

SkyscraperCity ☆ In Urbanity We trust ☆ about us | privacy policy | DMCA policy

tech management by Sysprosium