Method suitable for conducting reconstruction and reinforcing on existing artificial foundation

A foundation and artificial technology, applied in soil protection, infrastructure engineering, construction, etc., can solve problems such as uneven settlement, difficulty in laying piles, uneven local foundation deformation, etc., and achieve the goal of strengthening the bearing capacity of the foundation and improving the safety reserve. Effect

Inactive Publication Date: 2019-03-29
JIANGSU PROVINCIAL ARCHITECTURAL D&R INST
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Problems solved by technology

Due to the large difference between the pile foundation of the original building and the pile foundation of the reconstructed building, it is difficult to arrange piles due to factors such as the difference in the bearing layer at the pile end and the limitation of pile distance. If it is not handled properly, it will easily cause uneven local foundation deformation. causing uneven settlement

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  • Method suitable for conducting reconstruction and reinforcing on existing artificial foundation
  • Method suitable for conducting reconstruction and reinforcing on existing artificial foundation
  • Method suitable for conducting reconstruction and reinforcing on existing artificial foundation

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Embodiment Construction

[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "inner" and "outer ” refer to directions towards or away from the geometric center of a particular part, respectively.

[0022] Figure 1 to Figure 4 A method suitable for reconstructing and reinforcing existing artificial foundations according to an embodiment of the present invention is shown intentionally. As shown in the figure, this method includes the original foundation 01. The original foundation 01 includes plain fill soil layer 011, silty clay layer 012, silty sand layer 013, silty silty clay layer 014, Silty clay 015 and the first strongly weathered tuff layer 016,

[0023] The original foundation 01 is reinforced and improved by setting plain concrete pile 1 to form a comp...

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Abstract

The invention discloses a method suitable for conducting reconstruction and reinforcing on an existing artificial foundation. The method comprises the steps that an original foundation is included, the original foundation is reinforced and improved to form a composite foundation by arranging plain concrete piles; according to the technical scheme, the pile body concrete strength grade of the plainconcrete piles is C20, the pile diameter is 500 mm, the effective pile length is 10.5-12.5 m, a silty clay layer or locally a first highly weathered tuff bed serves as a supporting stratun of the pile end, the pile spacing of a main building is 1.48 m*1.55 m, the pile spacing of podium buildings is 2.0 m*1.8 m, and the pile top is provided with a gravel mattress layer with the thickness being 200mm. Accordingly, the effects of fully utilizing the bearing capacity of the original artificial foundation and being uniform in foundation deformation are achieved.

Description

technical field [0001] The invention relates to the field of foundation reinforcement, in particular to a method applicable to the reconstruction and reinforcement of existing artificial foundations. Background technique [0002] Geological conditions vary greatly across the country, and various unfavorable geological phenomena such as soft soil, karst, and rock fracture zones are encountered during engineering construction, the bearing capacity of natural foundations is insufficient, and pile foundations are difficult to deploy. [0003] With the development of urban construction, some buildings need to be renovated, and high-rise buildings need to be built under complex geological conditions. The height of the original buildings is usually relatively low, and the load transmitted to the foundation is small, so the bearing capacity of the foundation after treatment is relatively low. The height of the reconstructed building may be much higher than the original building, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D3/00
CPCE02D3/00
Inventor 陶景晖金如元
Owner JIANGSU PROVINCIAL ARCHITECTURAL D&R INST
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