Lateral force resisting method for soft soil foundation building

A technology for soft soil foundations and buildings, applied in the fields of geotechnical engineering and construction engineering, can solve problems such as damage, insufficient strength, and inability to be widely used in industrial and civil buildings

Active Publication Date: 2013-06-19
BAOSHAN IRON & STEEL CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Although in the above-mentioned patented technology, inclined piles are used to deal with dangerous buildings at various parts of the foundation, in addition bridges and docks and other buildings often adopt the method of setting inclined piles to resist lateral force, these methods of setting inclined piles cannot be used for the following reasons Widely used in industrial and civil buildings:
[0008] (1) Due to the downward settlement of the building under the normal gravity load, in addition to being subjected to pressure and shear, the top of the inclined pile also undergoes bending deformation, which is easily damaged due to complex stress and insufficient strength

Method used

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  • Lateral force resisting method for soft soil foundation building
  • Lateral force resisting method for soft soil foundation building
  • Lateral force resisting method for soft soil foundation building

Examples

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Embodiment 1

[0038] see Figure 2a ~ Figure 2c , the method of the present invention is used for newly-built building to set up inclined pile.

[0039] 1) Construct the straight pile 1 and the inclined pile 4, 5 with a depth of about 30m at the position of the new building 2 with a width of about 10m;

[0040] 2) The top of the inclined piles 4 and 5 is arranged on one side of the outer contour of the building 2, and the bottom thereof is arranged on the other side of the outer contour of the building 2, so that the inclined piles 4 and 5 can be arranged within the permitted building plane range; 4.5 Steel pipe members poured into concrete are used, the top of which can withstand both pressure and tension, and the tensile strength per unit cross-sectional area is greater than 5Mpa;

[0041] 3) Build the building foundation 3 on the straight pile 1, and the form of the building foundation 3 can be a strip shape, a raft shape or a box shape; the inclined piles 4, 5 are disconnected from the...

Embodiment 2

[0045] see Figure 3a ~ Figure 3c , the method of the present invention is used for adding inclined piles to existing buildings.

[0046] 1) Under the built building 2 with a width of about 10m, a building foundation 3 and a straight pile 1 with a depth of about 30m are arranged, and the form of the foundation 3 can be strip-shaped, raft-shaped or box-shaped;

[0047] 2) After the construction of the building 2 is completed and the settlement is stable, the inclined piles 4 and 5 with a depth of about 30m are sunk under the building foundation 3;

[0048]3) The top of the inclined piles 4 and 5 is arranged on one side of the outer contour of the building 2, and the bottom thereof is arranged on the other side of the outer contour of the building 2, so that the inclined piles 4 and 5 can be arranged within the permitted building plane range; 4.5 Steel pipe members poured into concrete are used, the top of which can withstand both pressure and tension;

[0049] 4) The tops of ...

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Abstract

The invention discloses a lateral force resisting method for a soft soil foundation building. A building and a foundation thereof are constructed on a straight pile, and the vertical gravity loads of the building and the foundation thereof are borne by the straight pile; after the building is completely constructed and settled stably, oblique piles are symmetrically and obliquely driven from the outer side of the building to the lower part of the foundation below the building, wherein the tops of the oblique piles are arranged on one side of the outline of the building, and the bottoms of theoblique piles are arranged on the other side of the outline of the building; and the tops of the oblique piles are connected with the foundation. According to the lateral force resisting method for the soft soil foundation building, the lateral action and load bearing capability of the building can be effectively improved by arranging the oblique piles; and in addition, the method can be used fora new building, and can also be used for reinforcing an old building.

Description

technical field [0001] The invention relates to geotechnical engineering and construction engineering, in particular to a method for resisting building lateral force in soft soil foundation building pile foundation engineering. Background technique [0002] Soft soil foundations are generally set with weak soil layers with low strength and high compressibility. Buildings are constructed on soft soil foundations. If the soft soil foundation is not treated, foundation instability or excessive subsidence will often occur, resulting in buildings being damaged or unable to Normal use. [0003] In the existing technology for soft soil foundation treatment, as disclosed in Chinese Patent Application No. CN200710068309.4, "A Method for Implanting Prefabricated Reinforced Concrete Anti-Lateral Force Pile with Cement Mixed Soil Curtain", it adopts the method of first using cement at the construction site. The mixer is placed along the depth of the pile body, depending on the soil qua...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D31/10
Inventor 王怀忠秦夏强魏宏超
Owner BAOSHAN IRON & STEEL CO LTD
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