A continuous foundation pit waist beam and its construction method

A foundation pit waist beam and continuity technology, which is applied in foundation structure engineering, excavation, construction, etc., can solve the problems of poor integrity of the waist beam, time-consuming and laborious, and reduced support effect of the side wall of the foundation pit, so as to improve integrity, The effect of improving the support effect

CN112459077BActive Publication Date: 2021-11-30JINAN URBAN CONSTR GRP +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2021-11-30

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Abstract

The application relates to a continuous foundation pit waist beam and its construction method, belonging to the field of foundation pit side wall support, including multi-section steel waist beams anchored on the foundation pit side wall, and the multi-section steel waist beams are along the length direction of the foundation pit side wall Set up in sequence; concrete pouring body, the concrete pouring body is prefabricated on the side wall of the foundation pit, and the concrete pouring body is arranged between two adjacent sections of steel waist beams; connecting pieces, two sets of connecting pieces are set, and the two sets of connecting pieces are respectively detachable Between the concrete pouring body and the steel waist beam, to realize the connection of two adjacent steel waist beams; by setting the concrete pouring body between the two adjacent steel waist beams, and detachable connection between the concrete pouring Between the body and the steel waist beam, improve the integrity between the steel waist beam and improve the support effect of the waist beam; at the same time, it is convenient to remove the steel waist beam in the later stage to achieve the effect of temporary support for the foundation pit, and to ensure that when the waist beam is removed The purpose of improving the support effect of the waist beam on the side wall of the foundation pit under the premise of complete recovery of the waist beam.
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Description

technical field

[0001] The invention relates to the field of foundation pit side slope support, in particular to a continuous foundation pit waist beam and a construction method thereof. Background technique

[0002] After the excavation of the foundation pit, the side slope of the foundation pit is loose due to the loose soil quality, which may easily lead to the collapse of the drawings of the foundation pit slope, and then cause safety accidents. In order to ensure the safety of the underground structure construction and the surrounding of the foundation pit, generally The perimeter is supported or reinforced. In the prior art, there are generally permanent foundation pit support and temporary foundation pit support. Temporary foundation pit support can generally be removed for later backfilling. Temporary foundation pit support generally adopts steel waist beams For support, the steel waist beam is generally drilled with multiple holes on the side wall of the foundation...

Examples

Embodiment Construction

[0036] In order to clearly illustrate the technical features of this solution, the present invention will be described in detail below through specific implementation methods and in conjunction with the accompanying drawings.

[0037] In addition, in the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal" ", "Top", "Bottom", "Inner", "Outer", "Axial", "Radial", "Circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings , is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

[0038] Such as Figure 1-5 As ...