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A kind of semi-reverse method foundation pit inner support structure and construction method thereof

A technology of support structure and construction method, which is applied in the direction of basic structure engineering, underwater structures, artificial islands, etc., can solve the problems of unstable internal support structure, poor support force effect, etc., and achieve easy construction quality and good integrity , to ensure the effect of stability

Active Publication Date: 2020-10-13
中冶成都勘察研究总院有限公司
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Problems solved by technology

[0004] The object of the present invention is: in order to solve the problems of poor support force effect and unstable internal support structure in the foundation pit, the present invention provides a semi-reversed foundation pit internal support structure and its construction method

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  • A kind of semi-reverse method foundation pit inner support structure and construction method thereof
  • A kind of semi-reverse method foundation pit inner support structure and construction method thereof
  • A kind of semi-reverse method foundation pit inner support structure and construction method thereof

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Embodiment Construction

[0030] In order for those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and the following embodiments.

[0031] The supporting structure in the semi-reversed foundation pit includes a number of permanent structural columns located on the side of the pit and higher than the floor elevation. There are also a number of temporary steel columns corresponding to the permanent structural columns in the foundation pit. The temporary steel columns are provided with Temporary column cap, the upper end of the temporary column cap is provided with a corbel, one side of the corbel is connected with the permanent structural column through a connecting beam, and the other side of the corbel is also connected with an inner support beam connected to the inner wall of the foundation pit.

[0032] Preferably, the connecting beam includes a temporary structural beam located above...

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Abstract

The invention discloses a semi-reverse foundation pit inner support structure and a construction method thereof, and relates to the technical field of foundation pit construction. The semi-reverse foundation pit inner support structure and the construction method are used for solving the problems that the stress effect of a foundation pit inner support is poor, and the structure of the inner support is instable. According to the semi-reverse foundation pit inner support structure and the construction method thereof, a temporary inner support of the side wall of a foundation pit is subjected toforce transformation through brackets, and temporary inner support force is transmitted to a body structure beam so as to guarantee the stability of the inner support structure; and the steel columnform is adopted in the vertical direction by the brackets, the adjacent horizontal brackets are connected through steel beams, and the stability of the brackets is guaranteed.

Description

Technical field [0001] The invention relates to the technical field of foundation pit construction, and more specifically to a semi-reverse construction method for supporting structure in a foundation pit and a construction method thereof. Background technique [0002] Semi-reverse construction method is a commonly used construction method in building construction. Its principle is: first construct the underground continuous wall or other supporting structure along the axis of the basement of the building or around it, and at the same time pour or lay the intermediate supporting piles and columns at the relevant position inside the building. As a support to bear the weight of the superstructure and the construction load before the bottom plate is sealed during construction. Then construct the beam-slab floor structure of the ground floor as a support with great rigidity of the underground continuous wall, and then excavate the earth and pour the underground structure layer by lay...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D29/05E02D29/055
CPCE02D29/05E02D29/055
Inventor 任东兴李耀家彭涛邓安高晓峰
Owner 中冶成都勘察研究总院有限公司
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