Driving on Yakang Expressway - One of the most difficult expressways to build in China - 4K

Driving on Yakang Expressway - One of the most difficult expressways to build in China - 4K
Yakang Expressway starts from Duiyan Town, Ya'an City in the east, passes through Tianquan County and Luding County, and ends at Lucheng Town, Kangding City in the west. Yakang Expressway connects to Chengya Expressway in the east, with a total length of about 135 kilometers; the Ya'an section is 89 kilometers, the Ganzi section is 46 kilometers, the roadbed width is 24.5 meters, the estimated total investment of the project is 23 billion yuan, the approved construction period is five years, and the altitude difference of the entire highway reaches 1,900 meters.
After the Yakang Expressway is put into operation, it will take nearly 4 hours to get from Chengdu to Kangding, which saves at least 2 hours compared to the original journey. At the same time, the bridge-tunnel ratio of the project is as high as 82%, which is one of the expressways with the highest bridge-tunnel ratio and the most difficult construction in the province and even the country.
The construction of Yakang Expressway faces a series of major technical and economic challenges such as safety, economy, ecology, and convenience. The Erlangshan super-long tunnel, a key project, is 13.4 kilometers long, ranking second among the highway tunnels under construction in China; the main bridge span of the Xingkang Bridge on the Dadu River in Luding is 1,100 meters, ranking first among similar bridge types in the province; the 50-kilometer-long tunnel group passes through high mountains and canyons, and the construction is extremely difficult. The bridge-tunnel ratio of this project is as high as 82%, making it one of the highways with the highest bridge-tunnel ratio and the most difficult construction in the province and even in the country. The altitude difference of the entire line reaches 1,900 meters.
The construction of the project is extremely difficult. The project repeatedly interfered with the G318 line and hydropower facilities, posing a high safety risk. The 50-kilometer-long tunnel group crossed the high mountain canyon, and the construction access roads were laid on the cliffs. In particular, the tunnel group in the Lu-Kang section had a vertical height difference of about 580 meters between the tunnel and the G318 line. Some contract sections needed to build about 8 kilometers of construction access roads on the steep slopes of the canyon to reach the tunnel branch tunnel operation point. In the absence of laying access roads, nearly 1,000 meters of tunnel branch tunnels were opened to reach the tunnel main line construction. The construction access roads needed to detour nearly 24 turns due to the line extension, making material transportation, tunnel slag disposal, and power supply extremely difficult. Several large construction units in the C16-C18 contract section located in Luding and Kangding took 1 and a half years to open up the construction access roads and construction branch tunnels, and finally started the main line tunnel construction in 2016. The Xingkang Bridge on the Dadu River has a span of 1,100 meters, the largest in the province. It faces extremely high earthquake intensity (eight degrees), complex wind field conditions, and extremely unstable steep slopes. The Erlangshan Extra-Long Tunnel is 13.4 kilometers long, with a maximum burial depth of 1,700 meters and high ground stress. It is prone to rock bursts and large deformations. It crosses 13 earthquake fault zones and has unfavorable geology such as gas, karst, and gushing water. The construction quality and safety risks are high. The single inclined shaft is 3.3 kilometers long, and the tunnel is excavated from the end for 6.8 kilometers. The scale of inclined shaft construction and tunnel excavation from the end are the largest in the country.
#China #Driving #Expressway

[@800TUSDT]

I watched a lot of Videos about China. I love Chinese People, Chinese Food, Chinese Cities and now I‘m falling in love with Chinese rural areas and landscapes. Hopefully one day I can visit China !! Greetings from Germany 🇩🇪!!

[@xiansheng12345]

办理一个护照可以免签证来中国15天。

[@中国街景]

China welcomes you!

[@steamsearcher]

We saw this being built during 2017 when we stayed in YAAN for 3 months. Many expeditions and also a walk through a short tunnel. We both loved your video. David and Lily. Li Chen. Reading England.

[@KarinVirtualTravel]

崇山峻岭之间，领略山岚之美❤感谢你的分享🎉

[@中国街景]

感谢您的支持！🤝

[@enesteluta232]

Felicitări pentru munca poporului Chinez! Felicitări pentru filmare! Nu credeam ca pot exista tuneluri atât de lungi! Felicitări! Felicitări! Felicitări!❤❤❤❤❤

[@中国街景]

Thank you! The longest tunnel in China is the Qinling Zhongnanshan Expressway Tunnel, which is 18.02 kilometers long. kzbin.info/www/bejne/pXOYhYppgNp6hck

[@enesteluta232]

Mulțumesc pentru răspuns! Te rog frumos sa scrii pe ecran, când editezi vlogul, câți km are un tunel, pe lângă ce orașe treci și ce obiective turistice sunt în drumul tău! Ești urmărit din toată lumea! Te salut din România, orașul București!

[@relaxingocean14]

Excellent and beautiful work, thank you for sharing 🥰🌹

[@powerlinesoftheworld472]

Nice ride! 😊

[@sven_gramchen]

1:14:33 建設中的川藏鐵路

[@abdhfhhffh]

Yaan nyingchi section ❤

[@anis19502]

what an exciting journey, incomparable infrastructure 🎉👍🤗🏵️💐🍁 ❤ from Lahore 👍🤗💐

[@ThamD1]

Rất đẹp cảm ơn bạn chia sẻ

[@supermariosupermayhem]

1:11:36 Golden Gate

[@Lychee76]

👍

[@marinitm2109]

Magnífico eso es progreso y riqueza para todos😊❤❤❤

[@globx]

hermoso recorrido hermano ... difìciles de construìr, talvez, pero no imposible ... tu paìs nos asombra con tecnologìas del siglo xxi, muy avanzadas; ningùn otro paìs las posee: estas son, terrestres, marìtimas, aèreas, inteligencia artificial, espaciales ... I love China

[@中国街景]

Thank you for the compliments my brother, I wish you all the best in your new week.

[@globx]

@@中国街景 igual para tì, cuìdate mucho

[@user-wz8zk8oe7v]

博主用gopro吸在车顶拍的么？好稳~

[@leon-hz1dk]

I understand that the Yakang Expressway was recently extended to xinduqiao. I wonder if there is any footage filmed from kangdingshi to xinduqiao.

[@user-dh7jk8sq5w]

这段高速还早，两年内这条路通不了。318康定到新都桥的视频多得很，说不定这个博主都发过。

[@501n15arthur]

請問您的拍攝器材是什麼？ 還有是如何固定的呢？在車外的話不怕相機飛走嗎？ 謝謝！

[@user-ln2yn3zo1w]

中國街景好、早上的6月24日早上8點11分好、新週快樂。

[@中国街景]

陈先生好，新的一周祝您一切顺利。☕️

[@dayathidayat8448]

Wow ,,, amazing

[@中国街景]

Thank you!

[@user-mv9cr4vu2n]

Тоннели красота.

[@luizcarlospereira4196]

Podem falarem o que quiseram...mais os engenheiros da China são surreais....show. Nota 1000 ( 37:02 ) Por ser tão comprido o túnel , o ar não fica prejudicado devido aos gazes dos motores dos carros?

[@中国街景]

Thank you! There is ventilation system inside the tunnel.

[@luizcarlospereira4196]

@@中国街景 Valeu" Abraços...Brasil.

[@user-mv9cr4vu2n]

На красном мосту строители напрасно расположились тяги на проезжей части, в случае аварии большегруза может пострадать несущая способность моста.

[@user-ym3oi3ub5e]

中国行きたいです

[@fiscak5257]

建议来我们的成都~ 成都是一个拥有历史文化底蕴的城市。

[@ITTom]

1:06:08 Can someone explain to me please what I see here? For me it is a symbol of the past Soviet era. Is there any other meaning for this ?

[@cnbigonion]

CPC, China's ruling party

[@starfucks5327]

CPC Flag

[@maomaoya9527]

闭上嘴巴

[@nuo.not1033]

This is CCP's party flag! As the ruling party, what's the problem?

[@chankaan888]

The hammer and sickle of the red flag is the flag of the CPC, not the flag of the Soviet Union.

[@海绵宝宝オタク]

你好！和日本的高速公路不同，有很多没有照明的出口啊！

[@runyancheng5545]

中国90%以上的高速都是没有路灯的

[@maomaoya9527]

@@runyancheng5545 🤡🤡🤡

[@e777ox]

Япония в сравнении с Китаем дикая и отсталая страна, которую до сих пор оккупируют американцы😂

[@zhoukf7643]

@@runyancheng5545 高速公路没必要全程路灯啦，有反光板就够了

[@huishen9751]

你这样到处去应该买部秦L来开比较省钱省事啊！

[@中国街景]

性价比没得说，B级车卖得比A级车还便宜，不仅省油外观也挺好看。刚看到38号开着U8去提秦L，回头看看他的评测。

[@wokaka11]

The path from the Sichuan Basin to the Qinghai Tibet Plateau is to take the shuttle bus from Chengdu to Moxi Ancient Town every morning. It is a small town surrounded by snow capped mountains, with Gongga Mountain at an altitude of 7500 meters. There are magnificent mountain landscapes represented by glaciers and numerous hot spring hotels nearby