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Introduction of steel bracing for prestressed fish-belly foundation pit

Prestressed fish-belly foundation pit steel support system is an innovative support form in soft soil deep foundation pit. By applying prestress to the steel strand on the fish-belly beam string, a large span enclosing purlin structure is formed, which is connected and combined with Angle brace and counter brace to form a plane prestressed support system.

Prestressed fish-belly steel bracing for foundation pit system(IPS)It is an innovative support form for deep foundation pit in soft soil. By applying prestress to the steel strand on the string of fish belly beam, a long-span enclosing purlin structure is formed, which is connected and combined with Angle brace and counter brace to form a plane prestressed support system.

The system is composed of vertical retaining wall, prestressed fish belly beam, prepressed jacking device, enclosing purlin, Angle brace (counterbrace), bull leg, triangular connector, vertical column, etc. The statically indeterminate structure is connected by high-strength bolts, which is safe and reliable.

Traditional coagulationSoil support, steel pipe support:

(1) The supporting rod is dense

(2There is little room for digging

Steel support for prestressed fish-belly foundation pit

(1) The supporting rod is relatively thin

(2There is plenty of room for digging

Foundation pit supporting

engineering case

Nanjing South Railway Station Comprehensive Pivot rapid Loop project

nanjingSouth Station comprehensive pivot Express loopengineering

Nanjing Central Gold Foundation Pit Project

Nanjing Central Gold Foundation Pit Project

Jiaxing Yaohan Deep foundation pit supporting Project

Jiaxing Yaohan Deep foundation pit supporting Project

Zhenjiang People's Hospital deep foundation pit supporting project

Zhenjiang People's Hospital deep foundation pit supporting project

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