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Beijing-zhang high-speed railway

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synonymBeijing-zhang high-speed rail(Beijing-Zhangjiagong high-speed Railway) generally refers to the Beijing-Zhangjiagong high-speed railway
Beijing-Zhangjiakou High-speed Railway (Beijing-Zhangjiakou High-speed Railway), also known as the Beijing-Zhangjiakou passenger line, namely Beijing-bao passenger line The Jing-Zhang section is a connection Beijing with Hebei Province Zhangjiakou City The intercity of... High-speed railway , it's the" Medium - and long-term railway network planning "(2016 edition)" Eight vertical and eight horizontal "In the main channel of high-speed railway" Kingland passage "An important part [1] .
The Beijing-Zhang high-speed railway is Beijing 2022 Winter Olympics Important traffic support facilities [2] It is the first in China to adopt independent research and development Beidou navigation system The intelligent high-speed railway with a design speed of 350 km/h is also the world's first high-speed railway with a maximum design speed of 350 km/h in high cold and large wind and sand [3] .
On April 29, 2016, the construction of the Beijing-Zhang high-speed Railway began [4] ; On December 30, 2019, the Beijing-Zhang high-speed Railway was put into operation [5] . In 2021, the Beijing-Zhangjiawang high-speed railway will achieve 5G signal coverage. [99]
Beijing-zhang high-speed railway main line by Beijing North Railway Station to Zhangjiakou Railway Station The main line is 174 km long, with 10 stations and a maximum design speed of 350 km/h [6] .
From January 21 to March 16, 2022, the railway department will implement closed-loop and non-closed-loop management for 55 days on the Beijing-Zhang high-speed railway Qinghe, Yanqing, Taizicheng, Chongli four Winter Olympics service stations, and the closed-loop personnel will implement "point-to-point, one-stop" management, and the ordinary passengers will not interact with each other. [102]
Chinese name
Beijing-zhang high-speed railway
Foreign name
Beijing-Zhangjiakou High-speed Railway
Opening date
December 30, 2019
Line length
174 km (As of December 2019)
Design speed
120 to 350 km/h
Operating speed
350 km/h
Railway class
High-speed railway
Start-stop station
Beijing North Station - Zhangjiakou Station
Number of stations
ten (As of December 2019, 9 of them are handling passenger services)
Via provinces and cities
Beijing , ji
Major cities along the way
Peking

catalogue

  1. 1Historical evolution
  2. 2Line station
  3. ▪Design parameter
  4. ▪Station along line
  5. ▪Line trend
  1. 3Equipment and facilities
  2. ▪Vehicle facility
  3. ▪Operating system
  4. 4Operation situation
  5. ▪Operation history
  1. ▪Passenger flow
  2. 5Construction achievement
  3. ▪Technological innovation
  4. ▪Key project
  5. ▪Scientific research achievement
  1. ▪Honor and commendation
  2. 6Cultural characteristics
  3. 7Value meaning

Historical evolution

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EDITOR
  • Preliminary planning
Beijing-zhang high-speed railway train stops at Qinghe Station
December 3, 2008, People's Republic of China Department of Development Planning, Ministry of Railways Notice on Commissioning the Preliminary Work of the Railway from Junge to Zhangjiakou and the Intercity railway from Beijing to Zhangjiakou is hereby entrusted to the letter of the Director [2008] No. 62 China Railway Engineering Design Consulting Group Co., LTD The pre-feasibility study of the intercity railway between Beijing and Zhangjiakou was carried out [7] .
In January 2009, China Railway Engineering Design & Consulting Group Co., Ltd. completed the pre-feasibility study report on the Beijing-Zhangjiakou railway. On January 15th, Ministry of Railways of the People's Republic of China The Development Planning Division organized a study of the construction options. On February 1, the design unit began a feasibility study. On April 15, the design unit completed the feasibility study report of the Beijing-Zhangjiakou railway (draft for approval). [7] .
In July 2010, National Development and Reform Commission, PRC Approved the Proposal for a New Beijing-Zhangjiakou Railway Project [8] .
From 2010 to 2012, the Development Planning Department of the Ministry of Railways of the People's Republic of China conducted a feasibility study and optimization.
Beijing-zhangjiagong high-speed railway train stops at Beijing North Railway Station [9]
On July 27, 2013, China Railway Corporation, Beijing , Hebei Province Jointly submitted the Letter on Submitting the Feasibility Study Report on the Adjustment of the New Beijing-Zhangjiakou Railway [7] .
On January 12, 2014, China Railway Corporation organized relevant units to discuss the construction plan of Beijing-Zhang high-speed railway under the fifth Ring Road of Beijing [7] . On September 16, the Ministry of Environmental Protection of the People's Republic of China approved the "Environmental Impact Report of Badaling Section of the New Beijing-Zhangjiakou Railway". [10] . In November, the National Development and Reform Commission of the People's Republic of China issued a Feasibility study Report on the Badaling Section of New Beijing-Zhangjiakou Railway, and the Badaling section of Beijing-Zhangjiakou high-speed Railway was approved [11] .
Mayor of Beijing, January 28, 2015 Wang Anshun In order for Beijing and Zhangjiakou to jointly bid for the 2022 Winter Olympics, the original construction plan of the Beijing-Zhangjiakou high-speed railway has been revised to increase the speed from 250 kilometers to 350 kilometers. On July 8th, China Academy of Railway Sciences Environmental Impact Report on the New Beijing-Zhangjiakou Railway 12 - [13] . On September 8th, Ministry of Environmental Protection, People's Republic of China Approved Environmental Impact Report on the New Beijing-Zhangjiakou Railway [14] . In September, the National Development and Reform Commission of the People's Republic of China approved the Feasibility Study Report on a New Beijing-Zhangjiakou Railway and agreed to build a new Beijing-Zhangjiakou high-speed railway [15] . In December, China Railway Corporation Approved the preliminary design of the Beijing-Zhang high-speed railway.
  • Construction course
On April 29, 2016, the construction of the Beijing-Zhang high-speed Railway began. Photo taken on Nov. 1 in Beijing Haidian District the Sidaokou , Wudaokou , Liudaokou All of them were dismantled, and passenger transport services at Beijing North Railway Station and Qinghe Railway Station were suspended [16] , Qinghuayuan Station Shutdown cancellation 17 - [19] .
On November 23, 2017, the first tunnel of the Beijing-Zhang high-speed Railway was completed [20] .
On April 13, 2018, the Beijing-Zhang high-speed Railway completed the land expropriation and demolition of the Beijing section of the red Line [21-22] . On August 16, the first pole of the Beijing-Zhang high-speed railway contact line was completed, marking the construction of the four-power system integration project at the back of the Beijing-Zhang high-speed railway station [23] . On November 1, the Beijing-Zhangjiawang high-speed Railway began to lay track [24] . On November 24, the back four contact line project of the Beijing-Zhang high-speed railway station entered the upper construction stage [25] . On December 27, the back four power project of the Beijing-Zhang high-speed railway station entered the construction stage of the upper networking of the overhead contact line [26] .
On March 5, 2019, the construction of the Beijing-Zhang high-speed Railway "four power" project began [27] . On June 12, the Beijing-Zhang high-speed Railway completed track laying [28] . June 25, the Beijing-Zhang high-speed railway line "four power" equipment housing main project completed [29] . On August 10, the 10-kilovolt power transmission line of the Beijing-Zhang high-speed Railway was successfully delivered. On August 25, the Beijing-Zhang high-speed railway overhead contact line project was completed [30] . On September 4, the first power supply of the overhead contact line of the Beijing-Zhang high-speed railway was successful [31] . On September 19, the Beijing-Zhang high-speed railway started the test work with electric slide [32] . On October 5, the Beijing-Zhangjia-Shanghai high-speed railway began a joint test [33-35] . On Oct 20, the top speed of the Beijing-Zhangjiagao high-speed railway reached 385 kilometers per hour for the first time in a trial [36] . On December 3, the Beijing-Zhang high-speed railway entered the trial phase [37] . On December 20, the Beijing-Zhang high-speed railway and Zhanghu high-speed railway Start full map test run [38] . At 18:00 on December 28, the Beijing-Zhang high-speed Railway EMU train tickets went on sale [39] . On December 30, the Beijing-Zhangjiadao high-speed Railway was put into operation [5] .
A Fuxing CR400AF electric EMU train runs on the Beijing-Zhangjiagao high-speed railway [40]
On December 1, 2020, the Yanqing Line of Beijing-Zhang High-Speed Railway was put into operation, and trains to Yanqing Station started from Beijing North Railway Station and Qinghe Railway Station.
2022 On January 6, the Beijing Winter Olympics train began to run on the Beijing-Zhangjia-Shanghai high-speed railway [105] .
On January 6, 2022, the G9981 Beijing Winter Olympics train stopped at Chongli Station. [105]

Line station

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EDITOR

Design parameter

Project \ section
Beijing North Railway Station to Qinghe Railway Station
Qinghe Station to Beiqing Road
Beiqing Road to Changping Station
Changping Station to Badaling West Station
Badaling west to Xiamehuayuan North Station
From Xihuayuan North Station to Zhangjiakou Station
Design speed
120 km/h
160 km/h
200 km/h
250 km/h
350 km/h
250 km/h
Track type
Ballastless track (ballastless track in more than 1 km of tunnels and in tunnel clusters)
Track standard
60kg/m (heavy rail), 1435mm (standard gauge)
Normal line spacing
4.0 m
-
4.4 m
4.6 m
5.0 m
4.6 m
Minimum curve radius (general)
1200 m
2000 m
2200 m
3500 m
7000 m
3500 m
Minimum curve radius
700 m
1600 m
2000 m
3000 m
5500 m
3000 m
Type of traction
electricity
Locomotive type
Multiple unit
Train operation mode
Automatic control
Traffic control mode
Integrated scheduling centralization
Maximum slope
The general section is 20‰, the difficult section is 30‰
Block type
Automatic block
Dynamic mode
Catenary power supply: 50 Hz, 25 kV

Station along line

As of December 2019, the Beijing-Zhang High-Speed Railway has a total of 10 stations, of which 9 are for passenger service: Beijing North Railway Station - Qinghe Railway Station - Shahe Station (Not for passenger transport) - Changping Railway Station - Badaling Great Wall Station - East Garden North Station - Huailai Station - Xiahuayuan North Railway Station - Xuanhua North Railway Station - Zhangjiakou Railway Station . [41] In order to alleviate the capacity shortage of Beijing North Railway Station and the traffic pressure in Xizhimen area, Qinghe Railway Station will handle some train services from start to finish. [13] The Beijing-Zhang high-speed railway is operated and managed by China Railway Beijing Bureau Group Co., LTD.
Serial number
Station name
Mileage (km)
Station location
1
Beijing North Railway Station
0
Beijing
No. 1, North Binhe Road, Xizhimen North Street, Xicheng District
2
Qinghe Railway Station
11
Qinghe Street, Haidian District
3
Shahe Station (Not for passenger transport)
-
Changping District
No. 1 Zhanqian Road, Shahe Town
4
Changping Railway Station
31
Machikou town thought village
5
Badaling Great Wall Station
56
Yanqing District
Badaling Town
6
Badaling West Station (Railway Station)
-
-
7
East Garden North Station
77
Zhangjiakou City, Hebei Province
Huailai county
East Garden town
8
Huailai Station
98
3.5 km south of the east side of the main city of Shacheng
9
Xiahuayuan North Railway Station
125
Xihuayuan District G110 near Xinchen Road
10
Xuanhua North Railway Station
152
Xuanhua District Fucheng North Street
11
Zhangjiakou Railway Station
172
No. 11 Qiaodong Station West Street
note
Reference material [42]
Beijing-zhang high-speed railway in Changping station set up a contact line to communicate with the Beijing-Tong railway, Badaling west led Yanqing Railway To Yanqing station, exit at Xihuayuan North Station Chongli Railway To Taizicheng station, access at Zhangjiakou Station Beijing-bao high-speed railway Zhang Bao Duan.
Serial number
Station name
Mileage (km)
Operation management
4-1
Changping Railway Station
0
China Railway Beijing Group Co., LTD
4-2
Eight rooms (line office)
4

Line trend

The Beijing-Zhang high-speed railway leads from Beijing North Railway Station, passes Xueyuan South Road, and then goes underground North 3rd Ring Road , Zhichun Road, North Fourth Ring Road Chengfu Road, Qinghua East Road , to Wanquan River South turn off the ground, back under North 5th Ring Road The second line was added to Shahe Station along the existing Beijing-Zhang Railway, and the third Shachang Line was added to Changping Station along the section from Shahe Station to Changping Station, and the plane was introduced to the existing Changping station and then passed through the east side of Nankou Town by tunnel Jundu Mountain After exiting the tunnel, cross both at Kangzhuang Beijing-bao railway Entering the territory of Hebei, the underground tunnel is adopted in the north side of the existing line within the influence area of military facilities, and the East Garden North Station is set up after the tunnel Guanting reservoir , Daqin railway , Beijing-tibet Expressway Parallel with the existing Beijing-Zhang railway, underpass Beijing-new Expressway After Huailai station, after Huailai station, a road west through Xihuayuan North, Xuanhua North new stations, and finally to Zhangjiakou station [7] . The Beijing-Zhang high-speed railway passes through Beijing Xicheng District , Haidian District , Changping District , Yanqing District Hebei Province Zhangjiakou City It runs east-west, with a total length of 173.964 kilometers, including 70.503 kilometers in Beijing and 103.461 kilometers in Hebei Province. [41]
Schematic diagram of Beijing-Zhangjiatang high-speed railway

Equipment and facilities

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EDITOR

Vehicle facility

As of December 2019, the Beijing-Zhang high-speed Railway is mainly in operation Fuxing CR400BF electric EMU .
  • CR400BF-G
The CR400BF-G EMU trains run on the Zhangjiakou section of the Beijing-Zhangjiakou high-speed Railway
  • Type CR400BF-C
Ice and snow elements inside a smart EMU train on the Beijing-Zhang high-speed railway [43]
The CR400BF-C EMU trains were designed with the line conditions of the Beijing-Zhang high-speed Railway in mind as well as the need to meet 2022 Beijing Winter Olympics Service needs. Jing-zhang high-speed railway intelligent EMU trains have better performance aerodynamics Performance, the introduction of automatic driving technology, can realize the station automatic departure, automatic operation of the interval, automatic parking at the station, automatic door opening and other functions [44] .
CR400BF-C EMU trains have added intelligent environment sensing and adjustment technology, which can realize the adjustment of temperature, lighting, window color, etc., while covering the whole car wifi The multi-language passenger information system can meet the needs of international passengers. The seats are mounted on slides, allowing more wheelchairs to be added [45] .
On November 7, 2019, the CR400BF-C EMU train went online Joint investigation and test [44] .
CR400BF-C EMU train

Operating system

  • The use of bullet trains
On October 7, 2019, the comprehensive test train left the Beijing North Bullet Train Station [46]
As of December 2019, the Beijing-Zhang High-speed Railway has set up one bullet train operation station: Beijing North Bullet Train Operation Station.
Beijing North Bullet Train Station Located in Changping District, Beijing, it undertakes the maintenance and preparation of Beijing-Zhang high-speed railway EMUs and was put into use on October 7, 2019 [46 and 47] .
  • Signal system
Signal system is the "central nervous system" to control the safe running of high-speed railway trains, which can meet the requirements of high speed, high density and cross-line running of trains with different speed classes. The Beijing-Zhangjiagao high-speed railway adopts the world's leading CCTS-3 level Train operation control system Based on GSM-R network, two-way real-time transmission of vehicle control information between ground and EMU is realized [48] .
  • Traction power supply system
Beijing-zhang high-speed railway dispatching desk [49]
The traction power supply system of Qinghe to Zhangjiakou section of Beijing-Zhangjiakou high-speed railway adopts AT power supply mode, the direct power supply mode of bringing back flow line or direct power supply mode of Beijing North to Qinghe section and some lines in the hub and the running line of bullet trains, etc., and the main line catenary system adopts fully compensated elastic chain suspension.
As of December 2019, the Beijing-Zhang high-speed railway has set up four traction substations: Loess Shop, Dafutuo, Xinbao 'an and Zhangjiakou South.
  • Dispatching command system
Based on Big Dipper With satellite and geographic information system technology, the Beijing-Zhang high-speed Railway provides intelligent services for the whole process of construction, operation, scheduling, maintenance and emergency response. The real-time "physical examination" system of the line can connect every bridge, station and rail on the whole line to the computer through the sensor. Whether the parts are aging, whether the subgrade is settling, and whether the lighting is damaged can be clearly seen. In addition, high-speed railway perimeter intrusion alarm system, earthquake early warning system, natural disaster monitoring system, etc., will form the intelligent dispatching command system of EMU [3] .

Operation situation

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EDITOR

Operation history

On December 30, 2019, train G2505 left Zhangjiakou Station. [45]
At 8:30 on December 30, 2019, the intelligent EMU train G8811 from Beijing North Railway Station to Taizicheng Station left Beijing North Railway Station, marking the opening of the Beijing-Zhang high-speed Railway [45] . The fastest travel time between Zhangjiakou and Beijing has been reduced from 3 hours and 7 minutes to 56 minutes [39] .
On January 8, 2020, five pairs of trains were added to the Beijing-Zhang high-speed Railway to Taizicheng [50] .
At 6:00 on December 1, 2020, train G8881 departed from Qinghe Station, marking Yanqing Line of Beijing-Zhang high-speed Railway Put into operation. The fastest travel time from downtown Beijing to Yanqing has been cut from 2 hours to 26 minutes [52] 51 - .
The year 2021 In September, China Railway Beijing Bureau Group Co., Ltd. launched a 20-trip fare service on the Beijing-Zhangjiading high-speed railway [104] .
Beijing - Zhang high-speed railway Winter Olympics train transport during the opening ceremony
Beijing 2022 Winter Olympics During the Winter Paralympic Games The Beijing-Zhang high-speed railway implemented the "One map a day", and a maximum of 40 pairs of Winter Olympic trains were run every day, transporting athletes, technical officials and ticketed passengers from various countries. During the guarantee period of the Winter Olympics, the railway department implemented a 55-day closed-loop and non-closed-loop management of Qinghe, Yanqing and Taizicheng stations of the Beijing-Zhang high-speed railway. Closed-loop personnel implement point-to-point, one-stop whole-process closed-loop management of "fixed carriages, fixed platforms, fixed channels, fixed traffic connection areas, and fixed station car staff", and set up special waiting areas, which do not cross with ordinary passengers [106] .

Passenger flow

From December 30, 2019 to January 30, 2020, the Beijing-Zhang high-speed Railway has sent 734,300 passengers and reached 655,200 passengers, totaling 1,389,500 passengers [53] .
From December 30, 2019 to June 30, 2020, a total of 1,803,300 passengers were transported on the Beijing-Zhang High-speed Railway [54] .
From December 30, 2019 to December 30, 2020, a total of 6.806 million passengers were transported on the Beijing-Zhang high-speed Railway [55] .
December 30, 2019 By December 30, 2021, the Beijing Bureau section of Beijing-Zhang high-speed Railway (including Chongli Railway and Yanqing Line) has sent a total of more than 13.8 million passengers, with an average of 19,000 people per day, and a total of nearly 40,000 pairs of trains have been operated [103] .
On April 4, 2024, the Beijing-Zhang high-speed railway sent 86,400 passengers, a record high since the opening of the line. [110]

Construction achievement

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EDITOR

Technological innovation

  • China's first intelligent high-speed railway
As China's first intelligent high-speed railway, the quality supervision, supply and profile design of each rail of the Beijing-Zhang high-speed Railway also use big data and establish a "health file. [45] ". The Beijing-Zhangjiakou high-speed Railway project is the first intelligent high-speed railway in China with the self-developed Beidou satellite navigation system and a speed of 350 kilometers per hour. It is also the first high-speed railway in the world designed with a speed of 350 kilometers per hour in high cold and heavy wind and sand. [108]
  • Focus on green design
The greening and landscape design of roadbed, bridge, tunnel and other related sites are carried out in the Beijing-Zhang high-speed railway, and the design of low inside and high outside is adopted along the line, so as to form a three-dimensional multi-layer green belt [48] .
  • The intelligent control center participated in the construction of Qinghuayuan tunnel
According to the geological conditions, the Qinghuayuan tunnel construction party jointly developed two mud-water balance shield machines. With the help of China's first intelligent control center of large shield, BIM technology, 3D visual monitoring, shield cloud platform command, automatic monitoring and measurement measures have been successfully applied to achieve intelligent simulation, accurate prediction, early warning and real-time correction. It overcomes the difficulties of the shield tunneling system, such as ultra-shallow starting and receiving and ultra-close passing through important structures [56] .
  • China's first closed sound barrier
The Beijing-Zhang high-speed Railway closed sound barrier is the first concrete frame structure closed sound barrier project in China, with a total length of 2.43 kilometers, mainly installed near Tsinghua University and its surrounding communities, and completed on May 21, 2019. In order to avoid environmental impacts such as ultraviolet light and acid corrosion and thus reduce maintenance costs, the enclosed sound barrier is constructed with cast-in-place concrete. In addition, the enclosed sound barrier absorbing wall incorporates elements of the old Beijing-Zhang Railway during the exterior decoration work, and the exterior uses gray bricks and arch Windows reflecting the style of the archway of Qinghuayuan Station [58] 57 - .

Key project

  • Badaling Great Wall underground station
Exterior view of Badaling Great Wall Station [59]
Badaling Great Wall Station was designed to integrate the station with the mountain, the maximum buried depth of the station is 102 meters, the underground construction area of 39,800 square meters, when it was completed, it was the deepest high-speed railway underground station in China; The excavation span of the single tunnel at both ends of the station is 32.7 meters, which is the largest excavated railway tunnel with single arch span in China when it was completed. The height of passengers entering and leaving the station is 62 meters, which is the largest high-speed railway underground station in China when it was completed [59] ; The station has many layers, large number of caverns, complex cavity type and dense intersection nodes, and is the most complex underground tunnel group station in China when it was completed [60] .
On August 23, 2019, Badaling Great Wall Station realized the main structure of the station building [61] .
正在建设中的八达岭长城站地下站部分 正在建设中的八达岭长城站地下站部分 正在建设中的八达岭长城站地下站部分 建设中的八达岭长城站地下站部分
Badaling Great Wall Station
  • Qinghe comprehensive transportation hub
Qinghe Station is the largest station along the Beijing-Zhang high-speed railway, and the construction site is small, confined to a narrow strip area of only 146 meters wide. Qinghe Station adopts a large-space column-free shape, weighing 5,000 tons of steel roof, only supported by 24 oval steel columns, a total steel volume of 31,000 tons, and won the "China Steel Structure Gold Award" annual outstanding project award [62] .
Subway Line 13 in Beijing, Feb 16, 2019 West second Banner Station to Uechi station Section change line dials into Qinghe integrated transportation hub [63] . Source of the atlas "Qinghe Comprehensive Transportation Hub under Construction" [64-65] )
  • West second Banner Bridge
The length of the West second Banner right line bridge is 843.18 meters. With a total length of 2,429 meters, the XER Qi Left Line Extra large Bridge crosses Beijing Metro Line 13 and is adjacent to Changping Metro Line and Jingxin Expressway in the west. The construction environment is extremely complex, the working site is small, and the safety risk is high [66] .
  • Kangzhuang Bridge
The total length of Kangzhuang Bridge is 9785.17 meters, including 6 high pier and up to 35 meters. It is a key project with great difficulty and high risk coefficient in the construction of the ballast less track of Beijing-Zhangjiawang high-speed Railway, facing many unfavorable factors such as tight construction period, heavy task and low operating environment temperature [67] .
  • Nankou large bridge
Nankou large bridge is located in the dense living area, the environment is complicated, the expropriation and demolition is difficult, and the construction interferes a lot. At the same time, the continuous beam span of Nankou Extra-large bridge is large, and it crosses S216 and Beijing-Tibet Expressway, and the construction safety risk is extremely high [68] .
On November 22, 2018, the main project of the Nankou Large Bridge was completed.
  • Guanting Water Kut Bridge
Guanting Shukut Bridge with a total length of 9.08 kilometers, the main bridge uses 8 holes 110 meters simply supported arched steel girder across Guanting reservoir, is 350 kilometers per hour ballastless high-speed railway steel truss bridge. The design of the bridge reflects the modern railway construction concept of "light weight, long span and environmental protection". The main bridge consists of eight curved girder beams.
On May 29, 2018, the Guanting Shukut Bridge was closed. [69-71]
The "Fuxing" EMU train passes the Guanting Shukut Bridge [40]
  • New Security Viaduct
Great bridge across Daqin Railway [72]
With a total length of 15,051 meters, the new Baoan Viaduct is the longest bridge on the Beijing-Zhang high-speed railway [73] .
  • Large-span, large-tonnage high-speed railway pier top rotating continuous beam
The bridge is 3503.48 meters long and crosses the Daqin Railway, the Beijing-Bao Railway and the Beijing-Tibet Expressway in turn [72] The pier top rotating continuous beam has a maximum span of 128 meters and a maximum rotating weight of 8,700 tons, which was the largest high-speed railway pier top rotating continuous beam with the largest span and tonnage in China at the time of construction. [73] On September 17, 2017, he successfully crossed the Daqin Railway in double rotation [72] . At the same time, the two-dimensional code printed on the bridge pier contains various construction information of the pier [74] .
The train runs on the Civil Bridge [40]
  • Along tunnel
There are 10 tunnels along the Beijing-Zhang high-speed railway, with a total length of 49.470 kilometers, accounting for 28.44% of the length of the main line.
Serial number
Tunnel name
Inlet mileage
Center mileage
Export mileage
Length (m)
Break through date
1
Qinghuayuan Tunnel
DK13+400
DK16+410
DK19+420
6020
November 20, 2018 [75-77]
2
Nankou tunnel
DK52+953
DK54+469
DK55+985
3032
September 13, 2018 [78-79]
3
Juyongguan Tunnel
DK56+092
DK57+614
DK59+136
3044
September 13, 2018 [80]
4
New Badaling Tunnel
DK59+260
DK65+263
DK71+270
12010
December 13, 2018 [81-82]
5
East garden tunnel
DK83+090
DK85+315
DK87+540
4970 (Myeongdong)
July 20, 2018 [83-84]
6
Xihuangzhuang Tunnel
DK132+250
DK134+690
DK137+130
4880
July 6, 2018
7
Dongjiazhuang Tunnel
DK142+195
DK142+776
DK143+357
1162
November 23, 2017 [85]
8
Qijiazhuang Tunnel
DK144+125
DK146+995
DK149+865
5740
August 28, 2018 [86-87]
9
Bali Village tunnel
DK169+760
DK170+396
DK171+032
1272 (Myeongdong)
November 30, 2018
10
Straw Hat Hill Tunnel
DK172+980
DK176+650
DK180+320
7340
November 30, 2018 [88]
Qinghuayuan Tunnel [89]
Qinghuayuan Tunnel: Crossing through the densely populated area of Xueyuan South Road, Haidian District, when it was built, it was the national railway single-hole double-track, large-diameter shield tunnel and high-risk tunnel, which was located in the urban core area in China and passed through the most complex strata and the most important structures, and was the only tunnel constructed by shield method on the Beijing-Zhang high-speed railway line. Qinghuayuan Tunnel and Beijing subway line 10, 12, 13, 15 long distance parallel run or cross, through the North third ring road, North Fourth Ring road and other 7 major urban roads, 88 important municipal pipelines, through the special risk source 3, level 1 risk source 80 [56] [90] .
South Tunnel: Located in Nankou Village, Changping District, it is the first through tunnel of the Beijing section of the Beijing-Zhang high-speed Railway, with a maximum depth of 340 meters. The line position is generally located on the east side of the Beijing-Zhang Railway, and the direction is basically the same, and the line crosses the mountain within the scope of Nankou Village and Donggarden village [91] .
Juyongguan Tunnel: The maximum buried depth is 310 meters, the construction process includes shallow tunnel buried, through the fault fracture zone, the geological surrounding rock is poor, easy to rich water. The entrance section of the tunnel is dominated by IV and V grade surrounding rock, which is strongly weathered and has poor stability. In the process of construction, the project department has overcome the unfavorable geological conditions such as water gusher, cavity and frequent changes of surrounding rock, and adopted measures such as encrypting advance tunnel pipe for support, adding steel arch and shortening blasting footage to ensure the construction [80] .
New Badaling Tunnel: It is a single tunnel with two lines and a total of 4 inclined Wells. It is located in a poor geological zone, and the surrounding rock conditions of the tunnel are poor, with risks such as water gusher and mud outburst. It is a very high risk tunnel, and it is the longest tunnel in the whole line of Beijing-Zhang high-speed Railway. The project department has overcome technical difficulties such as shallow tunnel burial, water gushing and long tunnel ventilation [92] .
Dongjiazhuang Tunnel: The maximum buried depth is about 70 meters, and the shallowest is only 4 meters. The tunnel has large relief and steep mountain potential. Affected by various weathering and geological processes, sandstone joints and fissures develop and surrounding rock is broken. At the same time, the tunnel is a low-gas tunnel, the safety risk is large, the construction is difficult [20] .
Straw Hat Hill Tunnel: For a single hole double line, through the main vein of the straw hat mountain, steep mountain, topography undulating. The geological conditions of the tunnel are complex. The bedrock of the tunnel is mainly Jurassic Upper tuff, which has complex genesis, poor diagenesis, varying degrees of weathering, small structure development and strong mutability. Tunnel address conditions are very poor, under the existing heavy railway, highway and other areas, the construction safety risk is very high.

Scientific research achievement

When crossing the Beijing-Tibet Expressway and the Daqin Railway, the construction side of the Beijing-Zhang high-speed Railway independently developed the innovative construction method "Continuous beam pier top rotating construction".

Honor and commendation

The year 2021 On December 6, the Beijing-Zhang high-speed Railway was awarded the 2020-2021 National Quality Project Award [100] .
In November 2022, it was selected into the 2022 China New Era Top 100 Construction Traffic Engineering category. [107]
In April 2023, the Beijing-Zhangjiakou high-speed railway project was selected as the winner of the first batch of the 20th China Civil Engineering Jeme Tianyou Award and won the special prize. [108-109]

Cultural characteristics

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  • Beijing-zhang high-speed railway intelligent EMU painting
On April 23, 2018, the design results of CR400BF-C EMU trains "Longfeng Chengxiang" and "Ruixue Yingchun" were announced [93] .
According to the idea of "standard configuration + Olympic configuration", CR400BF-C EMU trains have formed two appearance painting schemes of "Eagle Falcon" and "sailfish" head shape and "Dragon Phoenix Chengxiang" and "Ruixue Yingchun" [94-95] .
  • Subject post office
On December 21, 2021, the first themed post office opened by China Post on the high-speed rail made its debut on the Beijing-Zhangjiagong high-speed rail train. This is currently the fastest moving feature post office. [101]

Value meaning

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Paper-cuts with the theme of the 2022 Beijing Winter Olympics are displayed on the Windows of trains on the Beijing-Zhangjia-Shanghai high-speed Railway [45]
The Beijing-Zhang high-speed railway is Beijing 2022 Winter Olympics The opening and operation of the important supporting projects of the Winter Olympic Games marks a new progress in supporting construction. General Secretary of the CPC Central Committee and President of the State Xi Jinping Review) [96]
The construction of the Beijing-Zhangjia-Hebei high-speed railway will play an important role in promoting personnel exchanges between Northwest China and Beijing-Tianjin-Hebei region, and promoting the coordinated development of Northwest China and Beijing-Tianjin-Hebei region. (People's Daily online review) [97]
The Beijing-Zhang high-speed railway is an important part of the "eight vertical and eight horizontal" high-speed railway network from Beijing to Lanzhou channel in China's "Medium and long-term Railway Network Planning" Zhanghu high-speed railway , Zhang-da high-speed Railway It is connected to the Beijing hub in the east, forming a rapid passenger transport channel into Beijing in eastern Inner Mongolia, Shanxi and northern Hebei. (Comment by China National Railway Group Corporation Limited) [98]
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