Building foundation structure construction process
A construction technology and foundation technology, which can be used in infrastructure engineering, construction, geotextiles, etc., and can solve problems such as pile foundation subsidence.
Active Publication Date: 2021-07-13
山东国士建工集团有限公司
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Problems solved by technology
[0004] The purpose of the present invention is to provide a construction technology for building foundation structure to solve the problem that the pile foundation is not blocked in the pile hole and the pile foundation is prone to subsidence in the construction of the existing conventional foundation structure
Method used
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Embodiment Construction
[0032] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0033] like Figure 1-Figure 9 Shown, a kind of building foundation structure construction technique of the present invention comprises the following steps:
[0034] Step S100: On-site survey, according to the rock condition of the construction site, dig out the foundation pit 1, select and determine the position of each pile foundation 2 in the foundation pit 1;
[0035] The shape of the foundation pit 1 is rectangular, and the positions of each pile foundation 2 are respectively selected on the line connecting the sides of the foundation pit 1 and the midpoint of the long side of the foundation pit 1, and the positions of the pile foundation 2 are in a Japanese-shaped structure;
[0036] Step S200: Drive into the outer cylinder 3 at the s...
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Abstract
The invention relates to a building foundation structure construction process. The building foundation structure construction process comprises the following steps that a foundation pit is dug, and the positions of pile foundations are determined; the positions of the pile foundations are driven into an outer cylinder, and soil is taken out to form pile holes; a protective cushion layer is laid, and a cast-in-place reinforcement cage is inserted into the pile holes; concrete is poured into the pile hole; the concrete is solidified to form a concrete base, the pile holes are put into the inner cylinder, soil filling is carried out, and the concrete base and the inner walls of the pile holes jointly form a compact annular soil layer; the inner cylinder is taken out, and the concrete is poured and solidified to form an annular concrete layer; the pile holes are put into the inner cylinder, soil filling is carried out, the compact annular soil layer is formed again, the inner cylinder is taken out, the concrete is poured, the annular concrete layer is formed again, and filling is circularly and repeatedly carried out; and the concrete is poured into the foundation pit. Through the construction, the annular platform structures which are buckled alternately can be formed between the annular concrete layer of the pile foundations and the annular soil layer of the pile holes, the problem that the pile foundations are prone to sinking can be effectively solved, and the stability of the pile foundations is improved, so that the pile foundations are more stable.
Description
technical field [0001] The invention belongs to the technical field of foundation construction, and in particular relates to a construction technology of a building foundation structure. Background technique [0002] The foundation is the soil layer under the foundation. Its function is to bear all the loads transmitted from the foundation. The foundation is the load-bearing component of the building buried below the ground. It is an important part of the building. Its function is to bear the load transmitted from the building. full loads and transfers these loads, together with its own weight, to the underlying soil layer. [0003] When building the foundation structure, due to the limited bearing capacity of the soil foundation itself, when building the foundation structure on the ground, it is necessary to drill holes and use poured concrete piles to bury the piles for foundation construction to ensure the stability of the foundation structure. In the conventional constr...
Claims
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Patent Timeline
Login to View More IPC IPC(8): E02D5/36E02D5/68E02D31/02E02D5/48
CPCE02D5/36E02D5/68E02D31/02E02D31/025E02D5/48E02D2250/0023E02D2300/0085E02D2450/106
Inventor 宋德三
Owner 山东国士建工集团有限公司