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Old February 23rd, 2016, 03:41 AM   #10721
BEE2
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Quote:
Originally Posted by Pansori View Post
It is a well know fact that speed reductions were announced (or at least implied) well before Wenzhou accident. It was a coincidence that the accident happened around the same time.

That is true for sure.
No matter what, China has made a great achievement on HSR network development.
I don't dare to say Chinese HSR network is the best BUT I have to admit China has done
a great job!

Last edited by BEE2; February 23rd, 2016 at 03:48 AM.
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Old February 25th, 2016, 03:33 AM   #10722
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Aerial view: China's bullet train cross the breathtaking winter scenery near the Great Wall

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Old February 25th, 2016, 10:30 AM   #10723
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Trains on JiaoJi Line (胶济线)

Photoed by @幺三铁线

CRH380BL


CRH380CL




CRH2


CRH5




CRH3C (I suppose)


CRH380A


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Old February 25th, 2016, 05:36 PM   #10724
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That is a nice view from one's apartment windows...
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Old February 27th, 2016, 12:55 AM   #10725
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Quote:
Originally Posted by tjrgx View Post
That's not HSR.
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Old February 29th, 2016, 05:10 PM   #10726
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Average travel distance by train in China is 472.75KM in 2015,reduced by 3.86%. totally Turnover Volume is 1196 billion passenger person-kilometres.
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Old February 29th, 2016, 05:13 PM   #10727
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Old March 4th, 2016, 02:27 PM   #10728
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Infographic about CRH
http://p1.pstatp.com/large/214000d7f31019aae49
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Old March 6th, 2016, 04:31 PM   #10729
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Quote:
Proposal emerges for high-speed rail line connecting Beijing with Taiwan



China is studying the possibility of a railway link between the mainland and Taiwan, the government’s latest idea to use its high-speed train know-how to bridge a stubborn political divide.
The proposal for a transit link across the 180-kilometer (110-mile) Taiwan Strait to the self-ruled island was referred to only in passing in the draft of the 2016-20 development plan released Saturday in Beijing. The document mentions the Taiwanese capital, Taipei, as a potential rail destination by 2030 and features a map of the train system, with a proposed rail line connecting the city with the mainland city of Fuzhou.

Even if such a project were technically feasible, it would face huge challenges politically. Taiwan and the mainland have been governed separately since Kuomintang leader Chiang Kai-shek fled to Taiwan at the end of the Chinese civil war in 1949 and have occasionally exchanged fire over the decades, with China test-firing missiles into the strait in the mid-1990s. Although the two sides have seen expanding economic ties in recent years, Taiwan voters in January ousted the more mainland-friendly Kuomintang government in favor of the Democratic Progressive Party.
Taiwan’s Mainland Affairs Council said Saturday that such a rail link would concern national security and public opinion and wasn’t up to China alone, the Taipei-based United Daily News reported, without naming any officials. President-elect Tsai Ing-wen, the DPP’s chairwoman, doesn’t take office until May 20.

‘Secessionist Activities’

Chinese President Xi Jinping on Saturday warned against any push by Taiwan to formalize it’s split from the mainland. "We will resolutely contain ‘Taiwan independence’ secessionist activities in any form," Xi told a meeting of Shanghai delegates during the the National People’s Congress in Beijing, according to the official Xinhua News Agency. His remarks echoed earlier comments in Premier Li Keqiang’s annual report to the legislative body.
China, which built the world’s largest high-speed rail network over the past two decades, is trying to leverage its expertise to build diplomatic clout globally and in 2014 even floated the idea of a 13,000-kilometer link to the U.S. via Siberia and Alaska. Such projects have faced political resistance from people wary of closer ties with China, with a proposed train link between Hong Kong and the mainland bogged down over concerns about stationing mainland immigration officers in the semi-autonomous city.

The draft of China’s 13th five-year-plan proposed completing the rail connection between Hong Kong and Beijing by 2020. It also called for building a second link to the restive region of Tibet by the end of the next decade.
http://www.bloomberg.com/news/articl...vals-in-taipei
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Old March 6th, 2016, 09:47 PM   #10730
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That is not new. I remember a similar plan from 4-5 years ago.
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Old March 8th, 2016, 04:17 AM   #10731
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http://en.yibada.com/articles/108008...il-network.htm
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Old March 8th, 2016, 04:56 AM   #10732
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I got a question about the viaduct. If we look at the viaduct in the distance(see the picture), why the top of the viaduct is NOT level? Does
it affect the speed of HSR???? Am I right : The more level the rails are, the higher speed HSR can go?
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Old March 8th, 2016, 06:21 AM   #10733
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In theory, you are absolutely right. But it this picture the curvature is very subtle that it does not have any effect on the speed. I am pretty sure, for the whole section we see in this picture, train can go at max design speed.
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Old March 8th, 2016, 05:02 PM   #10734
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Testing CRH6 train on GuangFoZhao Inter City line

Photoed by @冇影冇踪

The testing is ongoing , but we have no idea when the line start commercial running , so just wait ........


The GuangFoZhao Inter City line link Guangzhou(广州) , Foshan(佛山) and Zhaoqing(肇庆) . From center to the west of Pearl River Delta .


The train will run 200km/h.






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Old March 8th, 2016, 07:06 PM   #10735
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Quote:
Originally Posted by BEE2 View Post
I got a question about the viaduct. If we look at the viaduct in the distance(see the picture), why the top of the viaduct is NOT level? Does
it affect the speed of HSR???? Am I right : The more level the rails are, the higher speed HSR can go?
There are limits to both vertical and horizontal curves, and as long as they are over these limits then it won't be any issues with passenger comfort. I also suspect that the image itself makes these undulations look way more severe than they are in reality, most likely shot with a long telephoto lens at a distance.

The curve radius for vertical curves are usually a lot larger than the horizontal ones, as an example then UK HS1 section 2 which have a top speed of 230 km/h have a horizontal radius of about 2500 meters where as the vertical one is 10000 meters, and for UK HS2 which is designed for speeds up to 400 km/h, it will have a horizontal radius of 7000 m where as the vertical radius at those speeds needs to be 56000 meters. https://en.wikipedia.org/wiki/Minimu...y_curve_radius

I believer that most people are able to accept more forces in the lateral direction than feeling nauseated with rapid changes in weight that would happen if the vertical radius in too tight, the effect is very similar to that you would feel on a roller coaster.
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Old March 9th, 2016, 12:55 PM   #10736
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What is the max operational speed of CRH6 on the intercity lines???
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Old March 9th, 2016, 04:08 PM   #10737
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Quote:
Originally Posted by BEE2 View Post
What is the max operational speed of CRH6 on the intercity lines???
It depends on the track condition and take noise into consideration near the urban area . Form 80 to 180 in reality .
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Old March 9th, 2016, 04:17 PM   #10738
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Quote:
Originally Posted by dixiadetie View Post
It depends on the track condition and take noise into consideration near the urban area . Form 80 to 180 in reality .
If so, the CRH6 (intercity train) cannot be categorized as HSR since its speed < 250 km/h. Am I right?
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Old March 11th, 2016, 11:48 AM   #10739
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There are several trains CRH6:

CRH6A: 200 km/h 5,520 kW 4R 4M 24 trains manufactured
CRH6F: 160 km/h 5,152 kW 4M 4R
CRH6S: 140 km/h 2,200 kW 2M 2R

CRH means China Railway High-speed, ie: for China itself are HST.
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Old March 12th, 2016, 10:22 PM   #10740
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http://www.chinadaily.com.cn/busines...t_23806223.htm
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