Cast-in-situ bored pile deep foundation pit supporting structure and construction method thereof
A technique for supporting bored piles and deep foundation pits, which is applied in foundation structure engineering, excavation, sheet pile walls, etc., can solve the problems of long construction period and waste of resources, and achieve the effect of shortening the construction period
Pending Publication Date: 2019-05-21
百盛联合集团有限公司
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Problems solved by technology
[0003] The foundation pit is a temporary project, and its function is to provide a space so that the foundation masonry can be carried out according to the position specified by the design. The surrounding environment usually adopts support and reinforcement foundation pit support measures, but at present, the basement structure is constructed after the foundation pit work is completed, and the construction period of the foundation pit first and then the basement construction is too long, which also wastes resources
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[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "bottom" and "top "Face", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
[0024] refer to Figures 1 to 4 As shown, the working principle of this embodiment: the cement-soil mixing pile 1 is arranged on the periphery to play a water-stop effect, and the bored pile 2 in the inner ring can be used as a load-bearing pile of the building, and the foundation pit floor 4 can ensure the foundation pit After excavation, it will not collapse due to construction. Concrete piles 5 are fixed on the foundation pit floor 4 to support the...
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The invention discloses a method for shortening a construction period, facilitating installation and realizing good supporting effect, and a construction method thereof. Key points of the technical scheme are as follows: a cast-in-situ bored pile, a cement mixing pile, a concrete pile, a cross beam and a foundation pit bottom plate are included; a plurality of cast-in-situ bored piles are arrangedon the outer side of the foundation pit bottom plate; the plurality of cast-in-situ bored piles are transversely and vertically arranged correspondingly; a circle of cement mixing piles are arrangedat the outer end of the cast-in-situ bored pile in a surrounding manner; every two opposite cast-in-situ bored piles in the plurality of cast-in-situ bored piles are connected with the cross beam; connecting devices are arranged on the two sides of the cross beams; the cross beams are integrally arranged; the cast-in-situ bored piles are provided with inserting openings for the connecting devicesto be inserted in; the concrete piles are connected to the joints between the cross beams, and the concrete piles are installed on a foundation pit bottom plate.
Description
technical field [0001] The invention relates to the field of deep foundation pit support, in particular to a deep foundation pit support structure of bored piles and a construction method thereof. Background technique [0002] The foundation pit support is to ensure the safety of the underground structure construction and the surrounding environment of the foundation pit, and the support, reinforcement and protection measures adopted for the side wall of the foundation pit and the surrounding environment. [0003] The foundation pit is a temporary project, and its function is to provide a space so that the foundation masonry can be carried out according to the position specified by the design. The surrounding environment usually adopts support and reinforcement measures for foundation pit support. At present, the basement structure is constructed after the foundation pit work is completed, and the construction period of the foundation pit first and then the basement construc...
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IPC IPC(8): E02D17/04E02D5/34E02D15/04
Inventor 姚建新周晓龙陈铭铭李舜平胡盛龙
Owner 百盛联合集团有限公司