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Thin-wall light steel structure steel pile strip-shaped foundation composite foundation technology

A strip foundation, light steel structure technology, applied in the direction of foundation structure engineering, sheet pile wall, construction, etc., can solve the problems of unsuitable control of the overall settlement of the building, damage to the pipeline inside the building, affecting the normal use, etc., to achieve the occupied area Reduced, integrity-enhanced, stability-enhancing effects

Inactive Publication Date: 2020-02-25
YUNNAN ZHONGQIAN INTEGRATED HOUSING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The prefabricated light steel structure foundation mostly adopts natural shallow foundation. Due to the limitation of site soil conditions, although a single strip foundation under the wall can control the building load, it is not suitable for controlling the overall settlement of the building, and the overall settlement for a long time will cause the building The internal pipeline of the building is damaged, and the wall is cracked, affecting normal use

Method used

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  • Thin-wall light steel structure steel pile strip-shaped foundation composite foundation 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: Carry out steel pile positioning and drilling construction work according to the drawings, and the pile length and pile diameter are selected according to the design drawings;

[0025] Step: 2: After the steel pile 1 is constructed to the design depth, control the pile top flange 2 at the design elevation;

[0026] Step 3: Excavate the strip foundation at a depth of 150mm below the steel pile top elevation;

[0027] Step 4: Pouring 100mm plain concrete cushion 3;

[0028] Step 5: According to the construction drawings, carry out the binding work of the reinforcement bar 4 under the concrete wall;

[0029] Step 6: Seal the strip foundation 5 and pour concrete 5;

[0030] Step 7: After the concrete foundation reaches the design strength, install the upper prefabricated thin-walled light steel structure 6 .

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Abstract

The invention relates to a thin-wall light steel structure steel pile strip-shaped foundation composite foundation technology, and belongs to the technical field of constructional engineering. The technical problem to be solved by the invention is to supplement a spiral steel pile foundation to control building settlement and provide a part of foundation bearing capacity under the condition that astrip-shaped foundation under a concrete wall can meet or partially meet the building load requirement. The invention provides a composite foundation solution under a non-uniform soil layer, the foundation bearing capacity and settlement control problems of an existing fabricated thin-wall light steel structure in the non-uniform soil layer or a soft soil layer are solved, and a new solution is provided for structural safety and construction convenience.

Description

technical field [0001] The invention relates to a thin-wall light steel structure steel pile strip foundation composite foundation technology, which belongs to the technical field of construction engineering. Background technique [0002] The prefabricated light steel structure foundation mostly adopts natural shallow foundation. Due to the limitation of site soil conditions, although a single strip foundation under the wall can control the building load, it is not suitable for controlling the overall settlement of the building, and the overall settlement for a long time will cause the building The internal pipeline of the building is damaged, and the wall is cracked, which affects the normal use. Contents of the invention [0003] The technical problem to be solved by the invention is to supplement the spiral steel pile foundation to control the settlement of the building and provide part of the bearing capacity of the foundation when the strip foundation under the concre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D27/10E02D5/56
CPCE02D5/56E02D27/10
Inventor 徐成柏文峰王云
Owner YUNNAN ZHONGQIAN INTEGRATED HOUSING CO LTD
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