One was the lack of oxygen in the mountains?
The second is the problem of permafrost?
Third, environmental protection?
Four, no impact on animal migration?
Fifth is the problem of terrain complexity?
One: the engineers in order to solve the lack of oxygen affects the staff work, making the project slow, the large-scale oxygen generator to the plateau, to build tunnels for the engineers to provide sufficient oxygen, the oxygen content of the hole is only equivalent to the elevation of about 1,000 meters greatly accelerated the progress of the project.
Two: permafrost is the largest permafrost research base in China and even in the world. In order to overcome the problem of permafrost, the Ministry of Railways has attached great importance to the permafrost problem of the Qinghai-Tibet Railway since the beginning of its construction and has arranged hundreds of millions of yuan of scientific research funds for the permafrost research and has organized experts from many scientific research institutes to carry out the scientific research on the five permafrost engineering experimental sections of the Qinghai-Tibet Railway and has obtained a large amount of scientific research data and scientific research results. A large amount of scientific research data and achievements have been obtained. The frozen soil research of Qinghai-Tibet Railway draws on the experience of frozen soil construction of large-scale projects such as Qinghai-Tibet Highway, Qinghai-Tibet Oil Pipeline and Lanxila Optical Fiber Cable, and explores and draws on the frozen soil research results of Russia, Canada and Scandinavian countries. At present, China's scientists have taken the bridge instead of road, schist ventilated roadbed, ventilated pipe roadbed, gravel and schist berms, hot bars, thermal insulation panels, comprehensive anti-drainage system and other measures, permafrost research has made significant progress, the Qinghai-Tibet Railway has become China's and even the world's largest permafrost research base engineers in the plateau of the moving soil on the thousands of cement piles buried underneath the moving soil, for the railroad's operation to provide adequate support.
Three: in order to protect the plateau blue sky, clear lake water, rare wildlife, the Qinghai-Tibet Railway only environmental protection investment amounted to more than 2 billion yuan, accounting for 8% of the total investment in the project, is currently China's government environmental protection investment in the railroad construction project, and in the construction of the first time in the country's first introduction of environmental protection supervision, for the first time, and the local environmental protection departments to sign the environmental protection responsibility.
Four ：The staff for the first time for wildlife migration channel, located in the Coco Sili National Nature Reserve of the Qingshui River Bridge, is the Qinghai-Tibet Railway specifically for the Tibetan antelope and other wildlife migration and construction.
Five : To solve the topographical problems engineers built the world's highest railway station - Tanggula Station , this station is also the world's highest railway station .
The highest bridge on the Qinghai-Tibet Railway, the Sanqiaohe Bridge?
The world's longest plateau tundra tunnel - Kunlun Mountain Tunnel Road?
The world's highest plateau tundra tunnel--Wind Volcano Tunnel Road?
China's largest plateau railroad laying base--Nanshankou laying base of Qinghai-Tibet Railway?
The longest "bridge instead of road" project on the Qinghai-Tibet Railway--Qingshui River Bridge.
The Qinghai-Tibet Railway, known as the "Heavenly Road", starts from Xining City of Qinghai Province, passes through Golmud City, Kunlun Mountain Pass, along the Tuotuo River, and crosses the Tanggula Pass, and enters the Tibet Autonomous Region's Ando, Nagchu, Dangxiong, Yangbajing, and Lhasa. The Qinghai-Tibet Railway, with a total length of 1956 kilometers, is an important route into Tibet, known as the heavenly road, is the world's highest altitude, the longest distance in the permafrost plateau railroad, is one of China's four major projects of the new century, in September 2013 was selected as the "Global Centennial Project", a monument in the history of the world's railroad construction.
Precautions for traveling to Qinghai and Tibet:
Pay attention to your body: most travel books suggest that it is best to travel to Tibet for the first time from the Qinghai-Tibet Highway to the plateau. Because of the high altitude, almost everyone will have a mild or severe plateau reaction. It is often recommended to fly to Lhasa first, and then come down the Qinghai-Tibet Highway on the way back after your body has acclimatized.
Keep warm: The best time to travel is from May to October. Winter is too cold and there are few tourists. Even if you travel the Qinghai-Tibet Highway in summer, it's a good idea to prepare winter clothing such as sweaters and down undershirts. Rain and snow are common, and temperatures can drop below 0 degrees Celsius.
Attention to food and drink: there are two types of food on the Qinghai-Tibet Highway: ordinary restaurants are mostly "Sichuan cuisine", and halal restaurants are based on pasta and mutton. Long run the Qinghai-Tibet line driver, all know which family's food is delicious. Travelers can bring their own fruits, dried fruits and chocolates.
Note to self-drivers: For self-driven travelers, it is not recommended to try to pass through the high altitude sections as quickly as possible. The more arduous Golmud to Lhasa section, 1,100 kilometers long, usually two days, more rest. It is not recommended to rush, accommodation can be in Naqu, Ando or Dangxiong, relatively good conditions. (Source: Baidu Encyclopedia)
Baidu Encyclopedia Link: Qinghai-Tibet Railway