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A continuous multi-span factory building foundation structure and construction method

A plant foundation and pile foundation technology, which is applied in the direction of foundation structure engineering, construction, protection devices, etc., can solve problems such as foundation settlement, and achieve the effects of avoiding settlement, improving mechanical properties, and improving stability

Active Publication Date: 2022-04-12
CITIC GUOAN CONSTR GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The load bearing of the foundation and the setting of drainage facilities may cause the foundation to settle

Method used

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  • A continuous multi-span factory building foundation structure and construction method
  • A continuous multi-span factory building foundation structure and construction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Such as Figure 1-Figure 2 As shown, a continuous multi-span factory building foundation structure includes several pile foundations 4 and corresponding drainage pipes 1, and concrete is poured between each pile foundation 4 to form a concrete layer 2;

[0037] The pile foundation 4 is a hollow structure, one end of the drainage pipe 1 communicates with the pile foundation 4, and the other end protrudes from the ground. The pile foundation 4 includes an annular side wall and a bottom, and a central column is arranged inside the annular side wall 6. The bottom end of the central column 6 is connected to the bottom of the pile foundation 4, and the annular side wall is sequentially composed of the first concrete layer, the first buffer layer and the second concrete layer from bottom to top, and the central column 6. From bottom to top, there are the third concrete layer, the second buffer layer and the fourth concrete layer. The top of the central column 6 and the annular...

Embodiment 2

[0050] Such as Figure 1-Figure 2As shown, this embodiment is based on Embodiment 1, and the concrete layer 2 is poured twice to form a lower concrete layer and an upper concrete layer respectively, and the lower concrete layer and the upper concrete layer are connected by a steel connector 3; The reinforcing bar connecting body 3 includes a first transverse reinforcing bar and a second transverse reinforcing bar, the first transverse reinforcing bar and the second transverse reinforcing bar are respectively embedded in the lower concrete layer and the upper concrete layer, and the first transverse reinforcing bar and the second transverse reinforcing bar are connected by multiple vertical steel bars;

[0051] The pouring process of the concrete layer 2 is as follows:

[0052] The lower concrete layer is poured first, and the steel bar connector 3 is embedded in the pouring project. After the lower concrete layer is poured, the upper part of the vertical reinforcement and the...

Embodiment 3

[0057] Such as Figure 1-Figure 2 As shown, this embodiment is based on Embodiment 1 or Embodiment 2. The top cover includes several cover plates 7 in a fan-shaped structure, and two adjacent cover plates 7 are connected by a radial buffer layer 8; the radial The buffer layer 8 is an asphalt layer.

[0058] In this embodiment, the top cover is provided with several fan-shaped cover plates 7, and two adjacent cover plates 7 are connected by a radial buffer layer 8, and the buffer layer 8 has certain deformation resistance. It can improve the compressive capacity of the top cover.

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Abstract

The invention discloses a continuous multi-span factory building foundation structure and a construction method. The continuous multi-span factory building foundation structure includes several pile foundations and corresponding drainage pipes, and concrete is poured between each pile foundation to form a concrete layer; the pile foundation is a hollow structure , one end of the drainage pipe communicates with the pile foundation, and the other end protrudes from the ground. The pile foundation includes an annular side wall and a bottom. The bottom of the foundation is connected, the annular side wall is the first concrete layer, the first buffer layer and the second concrete layer from bottom to top, and the central column is the third concrete layer and the second buffer layer from bottom to top. layer and the fourth concrete layer, the top of the central column and the annular side wall are poured with concrete to form a top cover; two adjacent pile foundations are connected through a connecting pipe, and the connecting pipe is connected with the main drainage pipe. The invention reduces the risk of foundation settlement on the premise of satisfying drainage.

Description

technical field [0001] The invention relates to the technical field of building construction, in particular to a continuous multi-span workshop foundation structure and a construction method. Background technique [0002] A continuous multi-span factory building is a factory building with more than two supporting points in the horizontal direction. According to the difference in span and height, it can be divided into equal-height multi-span, unequal-height multi-span, attached span, etc. [0003] The top of the factory building is usually high, and most of them are steel structure frames, and there are some fire protection, ventilation facilities and heavy equipment, resulting in a large load-bearing foundation for continuous multi-span factory buildings. Foundations can be divided into natural foundations and artificial foundations. The natural foundation can meet the requirements of bearing all the loads of the foundation in the natural state. For positions without suff...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D27/12E02D19/06E02D31/10E02D15/02
CPCE02D27/12E02D19/06E02D31/10E02D15/02E02D2250/0023E02D2300/002
Inventor 王进伟章诚刘胜兵赵文超李东远
Owner CITIC GUOAN CONSTR GRP CO LTD