Fabricated thin-wall light steel structure soft soil curing composite foundation treatment technology

A light steel structure and composite foundation technology, which is applied in infrastructure engineering, soil protection, construction, etc. The structure cannot use natural foundations, the large settlement of the assembled thin-walled light steel structure, etc., to achieve the effect of controlling uneven settlement, reducing the occupied area, and reducing the amount of earthwork excavation

Inactive Publication Date: 2020-02-25
YUNNAN ZHONGQIAN INTEGRATED HOUSING CO LTD
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  • Abstract
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is that the bearing layer of the prefabricated thin-walled light steel structure foundation cannot reach the design value, and the prefabricated thin-walled light steel structure has safety problems such as large settlement and uneven settlement. The technical treatment plan of composite foundation under the condition of soil layer solves the problem that the existing prefabricated thin-walled light steel structure cannot use natural foundation in soft soil foundation, and provides a new solution for structural safety and construction convenience

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  • Fabricated thin-wall light steel structure soft soil curing composite foundation treatment technology

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Embodiment Construction

[0023] Below in conjunction with accompanying drawing and specific embodiment, the present invention will be further described:

[0024] Step 1: Take the original soil 1 at the project site to conduct a geotechnical test, determine the physical parameters of the soil, and configure a special soil stabilizer;

[0025] Step 2: Excavate the foundation according to the drawings, over-excavate to a depth of about 500mm below the bottom of the foundation, and remove the original soil impurities 1;

[0026] Step 3: The over-excavation part under the base is solidified in layers with two layers of 250mm thick cushions. First, the lower solidified soil layer 2 is solidified and rolled with cement, curing agent, quicklime and original soil 1; then the upper layer of solidified soil Layer 3 is solidified and rolled with cement, curing agent, quicklime and original soil 1. The rolling weight is about 20 tons. The compressive strength of the cushion is expected to reach 1.0Mpa, and the bea...

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Abstract

The invention relates to a fabricated thin-wall light steel structure soft soil curing composite foundation treatment technology, and belongs to the technical field of building engineering. The treatment technology aims to solve the technical problem that a basic bearing stratum of a fabricated thin-wall light steel structure does not reach a design value, and aims to solve the safety problems ofthe large settlement amount and non-uniform settlement of the fabricated thin-wall light steel structure. A composite foundation technology treatment scheme under the condition of a soft foundation soil layer is provided, the problem that an existing fabricated thin-wall light steel structure cannot adopt a natural foundation in a soft soil foundation is solved, and a new solution is provided forstructural safety and construction convenience.

Description

technical field [0001] The invention relates to an assembled thin-walled light steel structure soft soil solidified composite foundation treatment technology, which belongs to the technical field of construction engineering. Background technique [0002] Due to the light weight and small load of the structural foundation of the prefabricated thin-walled light steel structure, the foundation design mostly adopts natural shallow foundations, mainly raft foundations and strip foundations under walls. However, the natural shallow foundation is greatly affected by the bearing layer of the soil, and most of the bearing layers of the foundation are only miscellaneous fill or soft silt soil, which do not have the foundation bearing capacity or the bearing capacity is very low. In this case, the superstructure Larger problems have arisen in terms of foundation safety and settlement stability. Contents of the invention [0003] The technical problem to be solved by the present inve...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D3/12E02D27/01
CPCE02D3/12E02D27/01
Inventor 徐成柏文峰王云
Owner YUNNAN ZHONGQIAN INTEGRATED HOUSING CO LTD
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