01
Chongqing has added another "Internet celebrity bridge" Hongyan Village Bridge is opened to traffic
On the morning of October 28, the main line of the Hongyan Village Bridge was officially opened to traffic, and mountain citizens have added a new crossing channel. In the absence of traffic congestion, you can reach Wutaishan Interchange in Jiulongpo District from Baishu Fort in Yubei District as soon as 10 minutes.
Hongyan Village Bridge is located between the built Jiahua Jialing River Bridge and the Shimen Jialing River Bridge. The upper bridge deck of the main bridge is the design standard for urban expressway . It has 6 lanes in both directions, a designed speed of 80 kilometers per hour, and a sidewalk on both sides of the roadway with a standard width of 31.2 meters. A double-line track is arranged in the center of the lower bridge deck, and a 7-meter-wide bicycle ramp is arranged on both sides of the 10-meter-wide rail area, designed as a slow traffic system. The bridge adopts a cable-stayed bridge type with high and low tower double cable surfaces.
bridge tower uses the most direct vertical load transmission door-shaped reinforced concrete structure . The total height of the high tower is 202 meters and the total height of the low tower is 150.7 meters.
According to reports, when designing the bridge tower, the design team took the "door"-shaped bridge tower with reasonable pressure as its foothold, and used concise, straight and hard vertical lines, as well as horizontally extended main beams and inclined cables and other groups of rigid lines to form a simple, clear and powerful plastic art, depicting the upright, firm, united and upward personality traits of the people of the mountain city.
It is understood that the main beam of the bridge is truss structure , with a total of 49 segments, with a maximum weight of 631 tons in a single segment. The adjustable range of high-strength bolts connection between segments is only 2 mm. To this end, the project team used finite element analysis software to analyze the sensitivity of the bridge dragon. During the construction of the bridge dragon, real-time monitoring instruments were set up to accurately track and monitor the bridge dragon data throughout the process, and finally achieved the zero-error millimeter-level accurate dragon integration of the main bridge.
construction party has also created a project management collaboration platform, using the BIM model as a carrier, integrating with project technology, quality, progress, safety and other management to realize data integration and integration of various project management systems. After the traffic is opened, citizens will go from Yuzhong District to Yubei District , and can enter through the Xietaizi Tunnel, pass through the Jialing River Bridge -Hongshi Road Tunnel in Hongyan Village, and turn to the Baishubao Interchange and arrive, which takes only about 8 minutes.
After the Hongyan Village Bridge is opened to traffic, an important channel will be formed across the north and south of the central urban area, greatly shortening the traffic time between the Chenjiaping area and the Longshan area, further improving the expressway network structure of the central urban area, and helping to build a more efficient and convenient modern comprehensive three-dimensional transportation system. (Source: Lin Tongqi International Engineering Consulting (China) Co., Ltd.)
02
Taiwan's first Sea cross-sea bridgeKinmen Bridge is expected to be opened to traffic by the end of the month
It is reported that after inspection before opening, the Taiwan Transportation Department Expressway Bureau evaluated that some matters affecting the opening of the Kinmen Bridge project can be improved on October 28. After confirming with relevant units, the head of the transportation department and relevant units decided to open to traffic on October 30.
According to reports, the Kinmen Bridge is the first large-span special marine highway bridge in Taiwan with high risk and high technology, and is also a major project of Kinmen. The entire bridge was completed on July 22 this year. After the Kinmen Bridge is opened to traffic, traffic between Kinmen and Kinmen will no longer be interrupted due to weather walruses, and people traveling between the two places will have a land transportation channel.
It is understood that the Kinmen Bridge is the first cross-sea bridge in Taiwan, connecting Kinmen Island and Lieyu Township ( Little Kinmen ), starting from Hupu Road in Lieyu Township in the west and ending at Huxia Cihu Road in the east. The entire line is 5.4 kilometers, of which the cross-sea bridge is 4.8 kilometers long. After opening to traffic, it only takes 5 minutes to drive between Kinmen Island and Liyu Island.
Golden Gate Bridge started construction in 2011 and was originally planned to be completed in 2016, but after construction started, it went through twists and turns and was not completed until this year.(Source: Pengpai News )
03
Mengshan to Jinxiu Highway was completed and opened to traffic
On October 26, the second contract section of National Highway G355Mengshan to Jinxiu Highway (hereinafter referred to as "Mengxiu 2 Standard") successfully passed the acceptance of the work. At this point, the entire line of Mengshan to Jinxiu Highway in Guangxi has been opened to traffic, directly improving the traffic environment of the Dayao Mountain area. The journey from Mengshan to Jinxiu was shortened from 3 hours to one hour.
Mengxiu 2 standard is located in Jinxiu County, Laibin City, Guangxi. It has a total length of 28.703 kilometers, a highway level of 2, and a designed speed of 40 kilometers per hour. The project has a construction period of 24 months. There is a total of one tunnel, four bridges and 102 culverts on the entire line, which passes through the hinterland of the Dayao Mountains. The construction route is high at a height and the terrain is complex and rugged.
Faced with the key and difficult points such as complex construction terrain and many restrictions, difficult construction of elevated bridges, complex coordination of early expropriation and demolition, and many road-related construction, all participants have actively connected with local governments, construction units, supervision units, etc. to strengthen road-related construction supervision, implement night traffic control, and conduct 24-hour inspections, widen the size of cover beams, optimize the design of bridge mounts to ensure beam-mounting construction, etc., and implement acceptance on time and in accordance with quality.
As an important channel connecting Mengshan to Jinxiu counties, Mengxiu 2 standard successfully passed the acceptance of the work, putting a successful end to the completion and opening of the Mengshan to Jinxiu Highway. It will drive the development of local tourism, tea, Chinese herbal medicine and other industries, promote the improvement of the living standards of people in the mountainous areas, and directly benefit tens of thousands of people of all ethnic groups along the route, play an important role in improving the traffic capacity of regional highways and the overall service level of the road network, promoting the economic and social development of the two counties, and helping rural revitalization. (Source: Guangxi Road and Bridge Engineering Group Co., Ltd. )
04
Zhongkai Expressway Jiangmen section Yinzhou Lake Super Bridge achieved the main bridge completion
On the afternoon of October 27, the central span of the Jiangmen section of Zhong (Shan) Kai (Ping) Expressway Jiangmen section project was successfully closed, realizing the main bridge completion.
It is reported that the Yinzhou Lake Super Bridge spans the Yinzhou Lake Golden Waterway, connects the two towns of Sanjiang and , Shuangshui in Xinhui District, and connects the south east and west lines of Jiangmen Avenue through Sanjiang interchange and Shuangshui interchange. It is the most difficult key control project of the Jiangmen section of Zhongkai Expressway. The main construction contents include the main channel bridge, auxiliary channel bridge and east and west guide bridges of Yinzhou Lake Super Bridge. The main channel bridge is a double-tower double-cable surface hybrid integrated beam cable-stayed bridge with a main span of 530 meters and a tower height of 203.6 meters. It is divided into 37 stages of construction.
203.6 meters high 海根方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方方� In addition, Yinzhou Lake Super Bridge spans the Yamen Waterway and can provide 50,000-ton ships with two-way navigation. According to on-site statistics, the number of ships passing through the bridge daily is 436. It is estimated that by 2025, 780 ships of all levels will pass by the bridge section, which has a large demand for anti-collision.
According to reports, in accordance with the various needs of the construction of Yinzhou Lake Super Bridge, the construction company has innovatively adopted floating steel-covered composite collision prevention facilities for the first time, and reasonably constructed an energy-saving and vibration-absorbing structure with high-strength base GFRP materials and steel and energy-consuming core materials to reduce the impact force of the ship, efficiently protect the main piers, and reduce the scale of the lower project. It also applies an intelligent and informative active collision prevention system, set up an AIS device in the bridge area to detect whether the ship is crossing the boundary and navigating, and establishes an anti-ship collision system combining active early warning and passive collision prevention to ensure the safety of the bridge operation.
It is understood that during the construction process, the project department carried out more than 10 scientific research projects and continuously expanded the channels for transformation of results to comprehensively ensure the quality of the bridge construction. After the main bridge of Yinzhou Lake Super Bridge is completed, they will carry out follow-up projects such as bridge deck paving, steel guardrail installation and cable adjustment. According to the current progress, it is planned to be completed and opened to traffic by the end of the year.(Source: China News Network)
05
Ehan Expressway Us River Tunnel was successfully completed and
On October 27, with a loud blast, the Us River Tunnel of Ehan Expressway was successfully completed and laid a solid foundation for the completion and opening of traffic on the Ehan Expressway Ebian to Jinkou River section and the Hanyuan to Wushi Bridge Township section at the end of this year.
Ushe Tunnel is located in Ushe Town, Hanyuan County, Ya'an City, Sichuan Province. It has a total length of 6.027 kilometers and a maximum burial depth of about 1,472 meters. It is one of the control projects of Ehan Expressway. Since the tunnel area belongs to a highland stress area, it needs to pass through 5 fault zones, integrating soft rock easy to break, mud and water surge, rock explosion, deformation and landslide, high ground heat and other poor geology, high safety risks and high construction difficulties.
In order to safely and efficiently promote the construction of project , the front-line team continuously optimizes the construction plan, increases technical breakthroughs, combines information technology, and flexibly applies various innovative concepts to on-site construction, and summarizes and forms a number of scientific and technological innovation achievements such as "Research and application of key technologies for tunnel construction in mountainous expressways deep deep hard rock highland stress sections" and "Innovation QC - Development of underground chamber rock explosion prevention and control system".
It is understood that the Ehan Expressway starts from the south side of Emeishan City, and passes through Ebian Yi Autonomous County, Jinkouhe District, , Ganluo County, , and Ganluo County, . It is set up a Liusha River hub interconnection and the Yaxi section of the G5 Beijing-Kunming Expressway. The route mileage is 122.882 kilometers. After the project is completed, it will be conducive to improving the overall highway network planning layout of Sichuan Province, significantly improving the transportation conditions of ethnic areas such as Ebian , Jinkou River and Liangshan, and promoting and supporting the promotion of the rural revitalization strategy, accelerating the development of regional tourism and driving the economic development of local .
At present, the Emei to Ebian section of Ehan Expressway was launched for trial operation on July 1, 2021. All sections except the Grand Canyon Tunnel will be opened to traffic by the end of this year. The entire line is expected to be completed and opened to traffic by 2023. (Source: Cover News )
06
Nanyu Railway Six-jing Yujiang Super Bridge all capped
On October 25, Nanning to Yulin Railway (Nanyu Railway for short)Housewy Bridge main tower was successfully capped. At this point, all two main towers of the bridge were capped.
Nanyu Railway is the first high-speed railway independently invested and built in Guangxi with a speed of 350 kilometers per hour. The main line is 193.31 kilometers long and is an important part of Nanshen Railway. It connects Beibu Gulf Urban Agglomeration and Guidong Town Agglomeration, with 6 stations along the line.
Liujing Yujiang Super Bridge is located in Liujing Town, Nanning City, Guangxi Zhuang Autonomous Region. It has a total length of 11.465 kilometers. The main bridge is a five-span steel-mixed cable-stayed bridge with a main span of 320 meters and spans Yujiang . It is a control project of the entire line of Nanyu Railway.
The total height of the main tower successfully capped this time is 120 meters, which is equivalent to a 40-storey height. It is arranged horizontally in an H-shaped shape, and the vertical shape of the tower crown means "love". The bridge is remote and located at the air outlet, with a maximum wind speed of 16.7 meters/sec. It belongs to the subtropical monsoon climate , which brings challenges to material transportation, high altitude operations, and safety and quality control. Since the construction of the
project started construction, the contractor has actively carried out scientific and technological research, applied advanced technologies such as the Internet of Things system and BIM to engineering construction, and has successively overcome a series of construction problems such as trest construction under bare rock geological conditions, large-diameter deep water pile foundation hole formation, underwater blasting rapid foundation cleaning, and cofferdam tugboat floating. During the tower body construction, the builders developed new tooling such as the rapid construction of large-section tower columns based on the hydraulic climbing system and combined with the characteristics of the bridge construction, which improved the efficiency of tower column construction while ensuring quality.After the completion and opening of
, the driving time from Nanning to Yulin will be shortened to about 50 minutes, which is of great significance to optimizing the regional comprehensive transportation structure, building a modern comprehensive transportation system , helping to promote the "two-gulf linkage" of Guangxi Beibu Gulf Economic Zone and Guangdong-Hong Kong-Macao Greater Bay Area , and realizing the coordinated development of Zhujiang - Xijiang Economic Belt regionally. (Source: CCTV News)
