November 28, 2023
World hub,The tide rises in the east,In the near future,At the construction site of Shanghai East Railway Station Comprehensive Transportation Hub, which has attracted much attention in China,7 setsDMPFirst large assembly of construction method mixing pile equipment,Hold your head high,In full swing,With the machine came bursts of beating notes.,Promote、Sink、Drilling、Stir,Ramming the foundation for a world-class transportation hub。
▲Highlights of the construction site
East Hub Shanghai East Railway Station,Relying on the Shanghai East Railway Station,Set aviation、National Railways、Urban Railway、It is a large-scale comprehensive transportation hub integrating urban rail transit and other transportation functions as well as the development of station and yard cities.,The total investment is 150 billion yuan.,It is a world-class transportation hub connecting the Yangtze River Delta and the world.。After completion, Shanghai East Railway Station will become the second largest railway passenger station in Shanghai after Shanghai Hongqiao Railway Station.,It is a major project to promote the construction of the new port-vicinity area of Shanghai Free Trade Zone.,It is of great significance for Shanghai to speed up the construction of a socialist modern international metropolis with world influence.。
▲Plan of Shanghai East Railway Station
▲Rendering of Shanghai East Railway Station
The underground civil engineering project of East Hub Shanghai East Railway Station is located in Zhuqiao Town, Pudong New Area.,The total construction area of this part is about 37.460,000 square meters,The main construction content is the foundation pit of the main structure of the underground project.、Foundation and main structure(Including electromechanical embedment,Among:Air-rail intermodal module,Underground part of urban atrium and corridor,Underground parking lot and equipment room,Underpass municipal road(Station East Road,MRT reserved works include 673 meters of double-track shield tunnel),Long-term relevant line reservation works,Air-rail logistics reservation project。
▲Underground Civil Works of East Shanghai Railway Terminal Yard AreaConstruction site
This projectDMPThe construction method of mixing pile is mainly used in the station area.、Reinforcement of the trench wall of the underground continuous wall at the junction of the station yard area and the passage in front of the station and in Hedong District、Passive zone reinforcement and slope reinforcement,Adopted in the project“Sleeve one-hole method”Carry out construction,The total volume of mixing piles required on site is about 370,000 cubic meters.,Pile diameter 850mm,Depth 16~25m,Among them, there are 499 waterstop curtains in the station area.,Height difference reinforcement 60 pieces in total,Trough wall reinforcement 72 pieces in total,Reinforcement in the pit: 12654;A total of 565 trench walls were reinforced at the junction of the station yard area and the station front passage.;Hedong DistrictDMPConstruction method Mixing pile trench wall reinforcement 224 pieces in total,484 pieces of reinforcement in the pit。▲DMPConstruction method mixing pile equipmentConstruction site
▲DMPConstruction method: mixing pileSchematic diagram of distribution(The part marked in red)
▲Engineering geological profile
▲Table of technical parameters for construction
The construction period of this project is tight.,The construction task is heavy,Project collection 7 setsDMPConstruction method Mixing pile equipment line up for construction,They cooperate safely and efficiently on the spot.,Low fault,Stable and accurate,Quickly adapt to construction environment,Each set completes 10 in 12 hours.~The excellent construction performance and strong product performance of 12 piles effectively ensure the construction efficiency of the project.。
▲DMPConstruction method mixing pile equipmentConstruction site
Selection of the project siteDMPThere are many construction methods and mixing pile equipment.,From the effect of site construction,They have good intelligent digital construction technology.、Small disturbance to the surrounding environment,And that pile quality is high,Perfect fit for construction needs,We can trust the quality of Shanggong's products.,Very reassuring in use。”The person in charge of site construction said。
DMPThe superiority of the construction method of mixing piles lies in the Dongfang Hub.“Super Engineering”It has been further verified and recognized.,It will help to promote the application in more domestic infrastructure projects in the future.,DMPThe construction method mixing pile equipment is also here.“Super Engineering”Medium,With strong product strength and excellent quality、Market reputation,Once again, it has been highly praised by users.。
▲DMPConstruction method mixing pile equipmentConstruction site
Shanggong Machinery and Shanghai yuanfeng、Jointly developed by Tongji UniversityDMPDigitalized construction control system is adopted for construction method mixing pile equipment,And control that rotation of the stirring blade,And the four drill rods simultaneously spray the slurry、Gas realizes automatic pile-forming construction。The equipment is automatically controlled by underground pressure.,And a pressure discharge channel formed on the outer side of the special-shaped drill rod when the special-shaped drill rod rotates to realize micro-disturbance construction.,And solve that problem of uneven strength of the pile body in the construction process of the traditional mix pile.、The level of informatization is low、Construction quality is difficult to control、More replacement soil、The construction disturbance is large、Low pile-forming efficiency and the like。
DMPIntelligent digital construction control system is adopted for construction method mixing pile equipment.,So that that quality of the construction proces is controllable,The convenience of construction is greatly improved.,The contents collected and displayed by the digital construction control system include shotcrete pressure,、Slurry flow、Jet pressure、Underground pressure、Pile depth、Pile forming speed、Pile-forming verticality and other parameters;Can be generated to include pile length、Construction time、Underground pressure、Cement consumption、Construction record of parameters such as pile verticality;At the same time, the construction parameters can be uploaded to the centralized control center,Realize real-time monitoring of the construction process。
▲DMPConstruction method: mixing pileDisplay interface of digital construction management system
Shanggong Machinery is committed to the development and construction of underground space construction and related construction technology research.,Committed to providing customers with the overall solution of underground foundation,Helping National Urban Infrastructure Construction,Always uphold“Professional services,Create value”The idea of,Always insist on common development with customers。Shanggong Machinery will, as always, make use of its deep accumulation in the field of Piling Machinery.,Fully meet customer construction needs,To provide professional services to our customers,Create value。
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