The new section of the new section of the Qinglan Expressway from the County to the Jinjinjie section was completed and opened to traffic

On June 30, the tense construction lapped for 24 months, the Qinglan Expressway involved in the reconstruction and expansion project of the county to the Jijin boundary section (hereinafter referred to as the Qinglan Expressway Reconstruction and Expansion Project) was completed and opened to traffic. The vehicle has been changed from the existing high -speed 2 lanes to this 3 lanes. The road width, flat, and Jingmei, and tried to provide Si Cheng with a comfortable, unobstructed, safe, and beautiful travel experience. Important significance and role.

The Qinglan Expressway is the sixth horizontal line of east -west lines of the national highway network. It is a high -speed transportation channel that runs through the east, central and western regions of my country's east, middle, and western regions, and connects the economic artery of the inland and coastal. In December 2004, the Qinglan Expressway was completed and opened to traffic from the county to the Jijin boundary section. It was the earliest section of the Qinglan Highway Hebei Province. In recent years, with the completion of the two -way six -lane in Handan section and the two -way seven -lane of Shanxi section, the two -way four -lane -of -the -lane section has become the "bottleneck" of the Qinglan Grand Channel. To change and expand, it is imminent.

The Qinglan Expressway Reconstruction and Expansion Project is located in the eastern foot of Taihang Shanshan. Handan involved in the county. It is the first highway of the "New+Rebuilding" in the first mountain area in our province. The innovation adopts a new model of "4+3" seven -lane and separated roadwalking. Essence Among them, "3" refers to a newly separated three -lane highway in the direction of Changzhi from Changzhi. The design speed is 80 kilometers/h, the line is 13.792 kilometers long, the roadbed width is 16.5 meters. The "4" is the one -way driving of Handan to Changzhi's direction.

The project is included in the "Thirteenth Five -Year Plan" development plan of the Ministry of Transport and the comprehensive transportation development plan of the "Thirteenth Five -Year Plan" of Hebei Province. It is a key project that the country and Hebei Province requires to accelerate the implementation. Jijin and Lu's traffic artery is smooth.

Facing difficulty innovation driver results

The new section of the Qinglan Expressway Reconstruction and Expansion Project Crossing Humanities and Natural Scenic Spots, such as Hanwangshan, Wuzhishan, Taihang Red River Valley, Qingzhang River National Wetland Park, and the protective land protection area of ​​Yuecheng Reservoir. The gully is steep, commonly known as the "chicken feet ditch" terrain.

There are 1 special bridge, 4 bridges, and 4 constructors across the new section, with a total of 50 constructors. The earth and stone are excavated 1.12 million cubic meters.

Among them, the Qingzhang River Special Bridge with a total length of 2697 meters is a key control project of the project, across the Qingzhang River in the main river in Xinxian County. The construction of the bridge mainly exists: deep -founded pit and high pier, and is in the rocks. Strata, the maximum diameter of pebbles is 150cm, 47 empty -hearted thin wall pier, average height of 42 meters, up to 53 meters, and the construction is extremely difficult.

In order to ensure the successful implementation of the project, the Qinglan Expression and Expansion Project Headquarters organized construction units and design units for multiple field surveys, and invited experts to demonstrate. Finally, the construction plan for the "introduction of holes+steel plate piles" was determined. The problem of excavation of the pit for the first application is the first application of North China.同时，针对桥梁薄壁墩数量多且高的问题，在总结滑模施工和爬模施工经验的基础上，创新应用“悬挑式木工字梁模板”施工技术，有效降低模板自身重量，轻巧、 High -efficiency and safety. Each climbing can shorten for 2 days, which is the first large -scale application of highway construction in Hebei Province.

Xiangtangpu No. 2 Bridge, across the existing Qinglan High Speed ​​and 309 National Highway, the flat curve is S-shaped, the longitudinal slope is 1.42%, the main span is 62 meters, and the upper part uses 142 meters of steel-mixed combination box beam + 40 meters 40 meters prestressed stress The T -beam structure, of which the main body weighs 1221 tons of steel box beams. During the laying process, the construction uses the "step -by -push push" laying process, which realizes the continuous construction of high -speed existing high speeds. During the push period, the use of the "Gaode Smart cone barrel safety early warning system" was introduced to achieve active early warning of hidden safety hazards, which guaranteed the safety of existing high -speed driving safety and safety of construction operators. It is reported that Xiangtangpu Bridge No. 2 Bridge is a large span, large tonnage, and flat vertical curve. The difficulty of construction creates similar construction records in our province.

Facing the wet loess geology of mountainous areas, Qinglan high -speed reconstruction and expansion project headquarters and construction units have studied multiple times, and decided to use "sheep crushing" operations on the basis of using measures with strong rammed, gray soil squeezing piles, mixing gray soil mixing, and other measures. Essence Among the maximum 22.5 -meter -filled operation, the 102 -layer stalls were compressed to effectively ensure that the values ​​of the road base bending were basically controlled within 60.

Coordinate and take care of the top -level design.

Guided by the five major development concepts of "innovation, coordination, green, openness, and sharing", we will strive to build "quality engineering, safety engineering, green engineering, information engineering, and integrity engineering".

The Qinglan Expressway Reconstruction and Expansion Project Headquarters puts project quality first in the project, and has issued more than 30 quality management systems, methods and solutions to the establishment of requirements, quality control procedures, construction site management, refined process management from the warranty system, quality control procedures, construction site management, and refined process management management. , Standardized construction management and other aspects have made clear stipulation. At the same time, strengthen engineering technical intercourse, organize special skills training, continuously improve the level of skills and responsibility of participants, prevent quality problems and hidden dangers of quality, and build a full range of in all directions. , Institutional and standardized quality management network.

Breaking the inherent thinking and innovation management model. In response to the small scale of the project construction and the lack of the lack of engineering construction management technicians, the project adopts the construction management model of "small owners+large supervision". The division of labor is clear and the responsibilities are clear. Gathering a strong work force. In order to further improve management efficiency, Qinglan High -speed Reconstruction and Expansion Project Headquarters has developed and applied the "Internet+Engineering Construction Management Technology" project management system, and uses mobile APPs and PC clients to realize the network and integration of engineering management. It is understood that all management actions such as quality management, test inspection, measurement payment, contract management, progress management, safety and environmental protection management are integrated. At the same time, it covers all engineering management behaviors of the owners, supervision and construction units, and can timely and effective timely and effective Provide decision -making basis for project managers.

Practice new development concepts and promote the construction of ecological civilization. In order to protect the ecological environment of the water source, the Qingzhang River Bridge has a vertical runoff system to lead the water to the bridge to the evaporate pond, so that the drainage of the road surface is completely isolated from the drinking water source. In addition, the project realizes the mining and filling of the balance, and the galvanized steel fence is optimized to the epoxy -zinc -based process. The green layout along the line is pleasing to the eye, and the two -color interval bridge anti -throwing net effectively relieves fatigue.

Fighting day and night war promotes the progress of the insurance

In order to ensure the completion of the target tasks, the Qinglan High -speed Reconstruction and Expansion Project Headquarters and the participating units give full play to the role of the party branch and the role of the pioneer of party members. Former command, comprehensively implement the contracting responsibility system.

In order to implement the provincial government's "1+20" to stabilize a package of measures and supporting policies in the province's economic operation, and complete the high -quality and high -efficiency high -efficiency construction goals, the project increases the investment of "people, materials, and machines", and implements "5+2", "white", "white", "white" "Add black" and "people's rest and not rest" operation model, optimize construction organizations, and carry out labor competitions, comparison quality, safety, schedules, and investment, setting off a climax of construction.

The total investment of the Qinglan Reform and expansion project was 1.621 billion yuan, which has completed 1.3 billion yuan so far, accounting for about 80%of the total investment.

The construction of transportation infrastructure is a "cockpit stone" for stable investment. Zhou Yingxin, deputy commander of the project, said that he will gather all the forces, speed up the progress of the remaining projects, and answer the answer sheet in the new era with a strong heart, contribute to the province's economic market, and welcome the 20th National Congress of the Party with excellent results. Victory was held.

In the next step, the Qinglan High Speed ​​and Expansion Project Headquarters and the participating units will concentrate on the implementation of existing highways. It is expected to be completed by the end of June next year.

Source: Hebei Expressway Group

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