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The prestressed fish-belly foundation pit steel support project in Beijing has won the title of the first "Green Brand" construction site for dust control

Beijing Xicheng District Wanzhuang Beili Residential Housing Improvement Project (Plot A) is located in Yongding River Ancient Road, with Sanlihe Road in the west and Chegongzhuang Street in the north. The project is designed by Beijing Survey and Design Research Institute Co., LTD., which is the first application of prestressed fish-belly foundation pit steel support technology in Beijing.

-- Beijing Xicheng District Wanzhuang Beili Residential Housing Improvement Project (ALand)

Project Overview: Covers an area of approx15130m², the circumference of the foundation pit is about535m, the excavation depth of the foundation pit is25.1mIs the deepest excavation in Xicheng District of Beijing at present.

Foundation pit supporting scheme: prestressed fish belly type foundation pit steel support technology

Residential Housing Improvement Project of Baiwanzhuang Beili, Xicheng District, Beijing (APlot), located in Yongdinghe Ancient Road, Sanlihe Road to the west and Chegongzhuang Street to the north. The project is designed by Beijing Survey and Design Research Institute Co., LTD., which is the first application of prestressed fish-belly foundation pit steel support technology in Beijing.

Beijing Baiwan Village

The project is located in the heart of Beijing, close to the Ministry of Housing and Urban-Rural Development, PRC office building, which requires extremely high requirements in terms of noise reduction, quality, and especially dust control. At the same time, the excavation depth of foundation pit engineering is large, the excavation is difficult, and the construction site is small, which brings great challenges to the "dust treatment" in the construction site.

In view of the above problems, the foundation pit of the project adopts the prestressed fish-belly foundation pit steel support technology. Compared with the traditional concrete support, this technology has the following advantages:

(1) standardized components, through bolt connection, on-site assembly, disassembly, components can be recycled, no construction waste, green environmental protection; The construction speed is fast; Less welding work and less noise.

(2) The steel support shows a larger "stiffness" after applying prestress, actively controls the foundation pit displacement, and the overall deformation is small; Component factory production, reliable quality.

(3The arrangement of steel support can provide larger construction working face, convenient and quick excavation of soil, and also easy to lay dustproof system.

Prestressed fish-belly steel bracing for foundation pit

Prestressed fish-belly foundation pit steel support, the middle longitudinal steel trestle

In addition, in terms of environmental protection, the prestressed fish-belly steel support technology ensures that there is no dust and garbage generation during the construction process, and the sky curtain dustproof system ensures that the dust generated in the process of earth excavation will not spread to the outside world -- the green sky curtain can be seen at the construction site to cover the whole construction plot, to block the dust. At the same time, the sky curtain wire rope is also installed on the spray equipment, spray water mist to dust, in order to achieve the effect of dust. The combination of dust-proof canopy and spray system can effectively avoid the generation of dust.

Construction site curtain dust control system

Construction site curtain dust control system

Due to the strict control in all aspects, the project site in dust prevention and control, construction supervision, safety training17In March this year, it was awarded the title of Beijing's first "green brand" construction site for dust control.

Awarding ceremony of

Awarding ceremony of "Beijing Dust Control 'Green Brand' Construction Site"

Shanghai Qiangqiang Foundation Engineering Co., Ltd. has completed more than 1,000 projects in the fields of housing construction, underground space, subway, railway, highway, bridge, tunnel, airport, sea reclamation, and so on. Hundreds of projects it has participated in have won the "Luban Award of China Construction Engineering" or the "Magnolia Award of Shanghai Construction Engineering".  Contact Number: 400-100-2850   

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