Soft foundation building foundation structure and construction method

A foundation structure and soft foundation technology, applied in the field of soft foundation building foundation structure and construction, can solve the problems of easy settlement of foundation piles and building structures, high void ratio of soft foundation, high compressibility, etc., to increase structural strength, reduce The effect of small sinking and improving bearing capacity

Pending Publication Date: 2021-11-26
张坤
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for soft foundations with high porosity, high compressibility, and low strength, after constructing building structures on foundation piles, the foundation piles and building structures are prone to settlement, and there is a great potential safety hazard.

Method used

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  • Soft foundation building foundation structure and construction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] This embodiment provides a soft foundation building foundation structure, including a plurality of pipe piles 1, a rigid grouting pipe 2 is provided in the middle of the pipe piles 1, and a plurality of sleeves 3 are connected to the rigid grouting pipe 2 in the circumferential direction ; One end of the sleeve 3 communicates with the interior of the rigid grouting pipe 2, one end of the sleeve 3 is fixedly connected to the side wall of the pipe pile 1, and the sleeve 3 is inserted with a soil rod 4; A piston ring 5 is fixed outside the inner end of the soil insertion rod 4, and the soil insertion rod 4 and the piston ring 5 can move in the sleeve 3 in a direction away from the grouting pipe. The wall is provided with a plurality of grouting holes; the inserting rod 4 is fitted with a slidable guide rod 6, the inner end of the guide rod 6 is fixedly connected with the rigid grouting pipe 2, and the guide rod 6 is inserted The length provided in the soil-inserting rod 4 ...

Embodiment 2

[0045] This embodiment provides a construction method for a soft foundation building foundation structure, based on the construction of the soft foundation building foundation mechanism described in Example 1, comprising the following steps:

[0046] The components that make up the pipe pile 1 are assembled into the pipe pile 1 .

[0047] The steps of assembling pipe pile 1 include:

[0048] A plurality of first connection holes are drilled on the side wall of the pipe pile 1, the first connection holes are evenly distributed along the circumference of the side wall of the pipe pile 1, and the first connection holes are arranged at intervals along the length direction of the pipe pile 1. multi-turn;

[0049] Drilling second connecting holes with the same number as the first connecting holes at the position corresponding to the first connecting hole on the side wall of the rigid grouting pipe 2;

[0050] A threaded hole corresponding to the second connection hole is provided ...

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PUM

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Abstract

The invention relates to the technical field of constructional engineering, in particular to a soft foundation building foundation structure. According to the technical scheme, the structure comprises a plurality of pipe piles, rigid grouting pipes are arranged in the middles of the pipe piles, and the rigid grouting pipes are circumferentially connected with a plurality of sleeves; one end of the sleeve communicates with the interior of the rigid grouting pipe, the other end of the sleeve is fixedly connected with the side wall of the pipe pile, and a soil inserting rod is inserted into the sleeve; a piston ring is fixed outside the inner end of the soil inserting rod, the soil inserting rod and the piston ring can move in the sleeve in the direction away from the grouting pipe, and a plurality of grouting holes are formed in the side wall of the soil inserting rod. A slidable guide rod is arranged in the soil inserting rod in a matched mode, the inner end of the guide rod is fixedly connected with the rigid grouting pipe, and the length of the portion, inserted into the soil inserting rod, of the guide rod is smaller than the movable stroke of the soil inserting rod in the sleeve. The structural strength of the soft foundation and the bearing capacity of the foundation can be improved, the pipe piles and the foundation are connected to form soil piles, and therefore the sinking amount of the foundation piles and a building structure is reduced, and the safety of the building structure is ensured.

Description

technical field [0001] The invention relates to the technical field of construction engineering, in particular to a soft ground building basic structure and a construction method. Background technique [0002] The basic structure of a building is the basic mechanism that bears all the loads of the building. The existing building structures are usually built on foundation piles, so that the load on the building structure is concentrated on the foundation piles. However, for soft foundations with high porosity, high compressibility, and low strength, after constructing building structures on foundation piles, the foundation piles and building structures are prone to settlement, which poses a greater safety hazard. Contents of the invention [0003] Aiming at the above-mentioned technical problem that the foundation piles and building structures of soft foundations are easy to settle, the present invention provides a foundation structure of soft foundation buildings, which ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/62E02D3/12E02D15/02
CPCE02D5/62E02D3/12E02D15/02
Inventor 张坤
Owner 张坤
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