Light filled structure and its construction process

A technology of light-weight soil filling and construction method, applied in the direction of filling and other directions, can solve the problems such as the inability to fundamentally eliminate post-construction settlement, the large volume of fly ash soil, and the increase of construction costs, so as to improve stability and buoyancy resistance. , Good buoyancy resistance, saving expensive land
CN1421575AInactive Publication Date: 2003-06-04GUANGDONG GUANYUE HIGHWAY & BRIDGE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
GUANGDONG GUANYUE HIGHWAY & BRIDGE
Publication Date
2003-06-04
Estimated Expiration
Not applicable · inactive patent

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Abstract

The light fill body structure includes soil layers and foamed plastic block layers superposed alternately. In all the foamed plastic block layers, there are drilled soil column holes. There are also concrete layer over the top foamed plastic block layer, bottom crushed stone layer below the lowest foamed plastic block layer, and retaining wall to the sides of the fill body structure. The present invention is easy to construct, and has density lower than common soil, adjustable strength, light pressure to soil, and less deposit and side flow. The present invention makes it possible to refill soil vertically.
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Description

Technical field

[0001] The invention relates to a light filling soil structure and a construction method for highway engineering, tunnel engineering, bridge engineering and the like. Background technique

[0002] At present, various drainage consolidation methods (including overload preloading method, vacuum preloading method, and heap preloading method) are basically used in the treatment of soft foundations of expressways in China to promote settlement and improve the bearing capacity of soft foundations. For the deep and thick soft foundation distributed in the Pearl River Delta and the Yangtze River Delta, methods such as construction of plastic drainage boards, bagged manholes, and then preloading can be used; these methods can basically control the main consolidation settlement within the construction period. Due to the soft clay Creep properties cause sub-consolidation settlement. Although this settlement is not a large proportion in the total settlement, it generally...

Claims

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