Foundation pit supporting structure with bottom in pyramid shape
A foundation pit enclosure and pyramid-shaped technology, which is applied in basic structure engineering, sheet pile walls, excavation, etc., can solve the problems of foundation pit water seepage and poor waterproof ability of joints, and achieves easy processing and construction and installation, simple structure, The effect of enhancing the overall strength
Inactive Publication Date: 2016-08-31
ZHEJIANG UNIV OF TECH
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Problems solved by technology
Although this kind of steel enclosure structure has high overall enclosure strength and good stability, the waterproof ability of the joints is too poor, which may easily cause water seepage in the foundation pit
Method used
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[0021] Referring to the accompanying drawings, a foundation pit enclosure structure with a pyramid-shaped bottom includes a first plate body 1 and a second plate body 2 arranged vertically, and the first plate body 1 and the second plate body 2 have a hollow inner cavity, and the top surface of the first plate body 1 and the top surface of the second plate body 2 are open, and the bottom surface of the first plate body 1 and the bottom surface of the second plate body 2 are all sealed;
[0022] Both the bottom of the first plate body 1 and the bottom of the second plate body 2 are pyramid-shaped;
[0023] The left and right sides of the first plate body 1 are inwardly recessed to form a first groove 11, and the left and right sides of the second plate body 2 have first protrusions 21 protruding outward. The first plate body 1 and the second plate body 2. detachably connected through the first groove 11 and the first protrusion 21;
[0024] The left and right sides of the firs...
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Abstract
The invention provides a foundation pit supporting structure with the bottom in a pyramid shape. A first plate body and a second plate body are each provided with a hollow inner cavity; the top face of the first plate body and the top face of the second plate body are each provided with an opening; the bottom face of the first plate body and the bottom face of the second plate body are both sealed; the bottom of the first plate body and the bottom of the second plate body are each in a pyramid shape; the left side and the right side of the first plate body are sunken inwards to form first grooves; the left side and the right side of the second plate body are provided with outwards-protruding first convex heads; the first plate body and the second plate body are detachably connected through the first grooves and the first convex heads; the first plate body, the second plate body and the bottom of a corner connecting plate are each in a pyramid shape so that the foundation pit supporting structure can stretch into a soil body more easily, and concrete can be poured in the inner cavity of the first plate body, the inner cavity of the second plate body and an inner cavity of the corner connecting plate so that the overall strength of the supporting structure is greatly enhanced. The foundation pit supporting structure is applicable to the foundation pit project large in excavation depth and has the beneficial effects of being simple in structure and making machining and constructing installation convenient.
Description
technical field [0001] The invention relates to a foundation pit enclosure structure with a pyramid-shaped bottom. Background technique [0002] With the continuous development of underground space, in order to facilitate construction, the depth requirements of foundation pits are also getting higher and higher. The excavation of the foundation pit usually requires some enclosure structures to improve the overall stability of the foundation pit. [0003] The Chinese patent with the publication number CN202559363U discloses a steel structure underground diaphragm wall foundation pit support structure, which consists of several H-shaped steel piles arranged in parallel to each other through the front row of steel sheet piles and the rear row of steel sheet piles. The soil between the piles is formed between the steel sheet piles, the rear row of steel sheet piles, and the H-shaped steel between two adjacent piles. Although the invention can increase the overall stiffness of ...
Claims
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Patent Timeline
Login to View More IPC IPC(8): E02D17/04E02D5/03
CPCE02D5/03E02D17/04E02D2200/16E02D2600/20
Inventor 许四法冯斌严熙胡奇超许斌
Owner ZHEJIANG UNIV OF TECH