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Old March 4th, 2017, 05:44 PM   #6041
00Zy99
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160-200 kph on single track is possible, so long as you don't mind long headways.
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Old March 4th, 2017, 09:08 PM   #6042
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Quote:
Originally Posted by 00Zy99 View Post
160-200 kph on single track is possible, so long as you don't mind long headways.
Botniabanan is built as a single track HSR, with speed 250 km/h.
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Old April 13th, 2017, 03:54 PM   #6043
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RAILWAY MARKET IN ZUNYI

Source entertainment news



There is a street market along some railroad tracks in China’s southwestern city of Zunyi, where venders selling their vegetables and fruits along the track move away every time a train comes.
View Source at http://www.lawsonjamesblog.com.ng/20...-in-zunyi.html
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Old April 14th, 2017, 03:44 PM   #6044
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Quote:
Originally Posted by 00Zy99 View Post
160-200 kph on single track is possible, so long as you don't mind long headways.


Doesn't even really matter, with spacious switches one can make 160kph easily with 15min headways if everyone keeps a tight schedule. We in the Netherlands can do the same at 140. We even have places where we have two fast and two slow trains per hour per direction (existing and planned) with only one single track. It is amazing how budget cuts in infrastructure have led to such a tight schedule.
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Old April 16th, 2017, 04:18 PM   #6045
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Aerial view of China's high-speed rail network



Full steam ahead for China's railway sector in 2017. China has the world's largest high-speed rail network of more than 22,000 km, which could be further expanded to 30,000 km by 2020.
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Old April 23rd, 2017, 05:55 PM   #6046
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Friday, April 21, 2017
China opens new freight train service to Moscow
China Daily Excerpt

XIAMEN - A new freight train service started on Friday linking the east China port city of Xiamen with Moscow, making it the newest China-Europe freight train route.

At 9:30 am, the train with 40 containers left the station from Xiamen Free Trade Zone carrying goods worth US$363,000, including granite, lighting supplies, artificial flowers and shoes for Moscow.

A single trip on the 10,920-km route takes 13 to 14 days. Without the direct train service, it used to take at least 25 days to transport goods.

The Xiamen-Moscow freight train service could also strengthen the Belt and Road Initiative, driving trade in Xiamen

The train route connects the east and northeast Chinese cities of Nanchang, Nanjing, Jinan and Jinzhou, and crosses the border via Manzhouli Port in north China's Inner Mongolia Autonomous Region.

Jiang Jingdong, assistant general manager of Xiamen Haicang Free Trade Port Zone Investment and Construction Management Co. Ltd, said the service is still in trial operations with three trips from Xiamen to Moscow per month. The freight train service will be normalized in the second half of this year.

Huang Changhong, manager of Trans-China Logistics Co Ltd, said that trade between Xiamen and Russia is complementary. Xiamen and its surrounding cities are export-oriented with machinery equipment and shoemaking industries, while it imports wood, paper pulp and vegetable oil from Russia.
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Old April 26th, 2017, 07:41 PM   #6047
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Made in China: Yangtze River bridge a testament to quality construction

Source: http://www.lawsonjamesblog.com.ng/20...er-bridge.html









View More at http://www.lawsonjamesblog.com.ng/20...er-bridge.html
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Old April 29th, 2017, 10:29 AM   #6048
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Quote:
The Most Difficult Segment of Sichuan Tibet Railway Is Expected to Start Construction in 2018

Reputed as the most difficult railway to be built on earth, Sichuan Tibet Railway consists of three segments, namely, Chengdu Kangding railway (Chengdu-Ya’an and Ya’an-Kangding), Kangding Nyingchi railway and Lhasa Nyingchi railway. Construction works of both ends have started since 2014. And Kangding-Nyingchi railway, the longest, toughest, last section of Sichuan-Tibet Railway, is expected to begin building in 2018.


Map of Sichuan Tibet Railway


Learning from China Railway No 2 Bureau, the pre-feasibility study of Kangding-Nyingchi railway will be completed this month. That to say, the integrated Sichuan-Tibet Railway Line will be released in the end of October 2016.

The academic seminar of "Challenges and Strategies in Sichuan-Tibet Railway Construction" was held in Chengdu on Oct.14, 2016. "Kangding-Nyingchi segment of Sichuan-Tibet Railway would start construction in 2018 and it's expected to be accomplished by the year of 2025, five years ahead of schedule", said Lin Shijin, the deputy chief engineer of China Railway Corp.

Kangding-Nyingchi Segment of Sichuan-Tibet Railway

As a major corridor to Tibet, Sichuan-Tibet Railway starts from Chengdu and ends at Lhasa, via Ya'an, Kangding, Gangtuo, Chamdo, Nyingchi and Lhokha. The operating length of Chengdu Lhasa railway is about 1,838 kilometers and its main truck is around 1,738 kilometers. Covering 1,413 kilometers of bridges and tunnels, the engineering investment is estimated to be over 216.6 billion yuan. Chengdu Tibet railway has a designed speed of 200 km per hour, and some segments are limited to 160 km per hour. Once completed, it would take passengers only 13 hours to get to Tibet from Chengdu by train. However, up to now, it still costs tourists almost three days to drive from Chengdu to Lhasa.

Construction work of Chengdu-Ya'an railway has started by the end of 2014; Lhasa-Nyingchi railway has also begun building since June 2015. The feasibility study of Ya'an-Kangding (Xinduqiao) railway has been finished in January 2016. And the pre-feasibility study of Kangding-Nyingchi railway will be completed this month, so far, we'll have a chance to see the integrated Sichuan Tibet Railway Line.

Difficulty of Sichuan Tibet Railway Project

On this seminar, Sun Yongfu, the chairman of China Railway Society, has shown the sketch map of Sichuan-Tibet Railway to the world: starting from Chengdu, the newly-built railway winds through numerous ups and downs and finally extends to Lhasa city.

According to the design, the cumulative height Chengdu-Lhasa train needs to climb will be over 14,000 meters. Since Chengdu Tibet railway have to cross the collision zone between the Indian plate and the Eurasian plate, it's more likely to encounter earthquakes, landslides, collapses, mudslides, glacial lake outburst and other geological disasters in the course of tunnel construction.

Along Sichuan-Tibet Railway, Ya'an is about 1,000 km away from Bome in Nyingchi. But the rail should traverse Hengduan mountain, which is the longest, widest and most typical north-south mountain range in China. And the altitude difference between mountains and valleys can be as high as two or three kilometers. Luding-Kangding railway is a good case in point. After crossing Dadu River, Chengdu to Lhasa train would climb over Zheduoshan mountain. Although the straight-line distance is only 50 km, the elevation difference is already over 2,000 meters, which is equivalent to climb 50 meters per kilometer. It's impossible for Tibet train to climb such kind of linear slope.

Final Decision of Sichuan-Tibet Railway

At the initial stage, experts and scholars have put forward three sets of solutions for Kangding-Baxiu railway across Hengduan ranges. The first option is via Litang and Chamdo. The second is through Ganzi and Chamdo. The third one is along Sichuan-Tibet Highway (G318). Considering terrain, geology, earthquake, natural disaster, economy, transportation and other factors, the first option was finally selected. At the same time, more than 50 studies have been carried out. For example, Sichuan Tibet Railway has stridden over the Yarlung Zangbo River eight times, of which every foothold is chosen after a lot of research and analysis.

Sichuan-Tibet Railway is 100 km shorter than Qinghai-Tibet Railway, but needs longer construction period and more investment. Once completed, it’ll shorten the traveling time for tourists getting from Chengdu to Lhasa to 13 hours. What’s more, Chengdu Lhasa railway will connect Tibet with Yangtze River economic belt and form a convenient overland route to south Asia. Over five million people will benefit from Sichuan Tibet railway project.
http://www.tibettravel.org/news/sich...struction.html
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Old April 30th, 2017, 07:43 AM   #6049
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According to the design, the cumulative height Chengdu-Lhasa train needs to climb will be over 14,000 meters

there is a typo in the text , it shoud read feet not meters.
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Old April 30th, 2017, 09:16 AM   #6050
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Quote:
Originally Posted by kunming tiger View Post
According to the design, the cumulative height Chengdu-Lhasa train needs to climb will be over 14,000 meters

there is a typo in the text , it shoud read feet not meters.
That´s not obvious.
The altitude of Chengdu is about 500 m above sea level.
The altitude of Lhasa is about 3600 m.
That´s a net climb of 3100 m.
But as stated, in very hard terrain. Which requires repeatedly climbing up to high passes and down into valleys.
What will be the cumulative climb? 14 000 feet, meaning about 4200 m total, meaning 3100 m net plus 1100 m up and down? Or 14 000 metres, meaning 3100 m net plus 11 000 m up and down?
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Old April 30th, 2017, 07:07 PM   #6051
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I agree, I think there is NO typo in the article. It should be meters.
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Old May 1st, 2017, 08:34 AM   #6052
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Guys, we have some thread about Yiwu–Madrid railway line?

I would like to have more information about this railway.

Thanks!
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Old May 1st, 2017, 02:04 PM   #6053
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Quote:
Originally Posted by Jordão View Post
Guys, we have some thread about Yiwu–Madrid railway line?

I would like to have more information about this railway.

Thanks!
It's not a line per say. Just a route freight trains can take.
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Old May 1st, 2017, 07:26 PM   #6054
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Quote:
Originally Posted by Pansori View Post
It's not a line per say. Just a route freight trains can take.
Nice.
So, we haven't in SSC more information about this route?
I searched, but didn't find...
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Old May 1st, 2017, 07:28 PM   #6055
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Difficult terrain of Sichuan-Tibet railway

Quote:
Originally Posted by chornedsnorkack View Post
That´s not obvious.
The altitude of Chengdu is about 500 m above sea level.
The altitude of Lhasa is about 3600 m.
That´s a net climb of 3100 m.
But as stated, in very hard terrain. Which requires repeatedly climbing up to high passes and down into valleys.
What will be the cumulative climb? 14 000 feet, meaning about 4200 m total, meaning 3100 m net plus 1100 m up and down? Or 14 000 metres, meaning 3100 m net plus 11 000 m up and down?
it should be 14000 meters.

This article (in Chinese) is the most informative one I have ever read to date talking about the geological challenges facing this railway.

It is scheduled to be built from 2018 to 2025







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Old May 3rd, 2017, 06:16 AM   #6056
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Quote:
Originally Posted by tjrgx View Post
it should be 14000 meters.
This article (in Chinese) is the most informative one I have ever read to date talking about the geological challenges facing this railway.
Aaah, classic "bus plunges into ravine" country
The top spiral seems to have 3 turns? They've gotten pretty good at putting spirals inside mountains, but my guess is the up and down is because they'll want a minimum of tunnels where the mountains are grinding past each other. It'll take me a couple of days to read the text in that article...
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Old May 3rd, 2017, 04:47 PM   #6057
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China has been building new spiral tunnels on its rail network?

Are the spirals confirmed for this line or are they an option under study?
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Old May 3rd, 2017, 08:26 PM   #6058
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Quote:
Originally Posted by 00Zy99 View Post
China has been building new spiral tunnels on its rail network?

Are the spirals confirmed for this line or are they an option under study?
I don't think China has built spiral tunnels in railway, but in highway (e.g., Ya'an-Xichang highway)....

I think this is almost the final design.
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Old May 5th, 2017, 03:06 AM   #6059
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Quote:
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I don't think China has built spiral tunnels in railway,
Depends what you mean by spiral. Cheng-Kun line has 9 tunnels with over 180 degree curves, some curve back again to straighten the access. One at Ananzhuang is 300 degrees.
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Old May 5th, 2017, 03:21 AM   #6060
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CHINA | Railways

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Originally Posted by xinxingren View Post
Depends what you mean by spiral. Cheng-Kun line has 9 tunnels with over 180 degree curves, some curve back again to straighten the access. One at Ananzhuang is 300 degrees.


Hmmm, interesting! Could you provide the reference on this info? fine in Chinese. Thanks!
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