A deep foundation pit support system
A technology of support system and deep foundation pit, which is applied in basic structure engineering, construction, excavation, etc., can solve the problems of difficult protection of upper steel support and concrete support, long construction period, long occupation, etc. Quantity, reduce engineering cost, and optimize the effect of the support replacement process
Active Publication Date: 2021-01-01
南京同力建设集团股份有限公司
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Problems solved by technology
This method not only needs to occupy large-scale hoisting equipment for a long time, but also has a series of disadvantages such as complicated procedures, long construction period, and difficulty in protecting the upper steel support and concrete support.
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[0029]The present invention will be further described below in conjunction with the drawings and embodiments.
[0030]Such asFigure 1 to Figure 7Shown.
[0031]A deep foundation pit support system includes a steel support 4, a sliding groove 3, a single-sided sliding block 5 and a double-sided sliding block 2.
[0032]The chute 3 is in the shape of a long straight plate with opposite inverted L-shaped ridges on both sides of the chute 3 to form a guiding groove I301.
[0033]The single-sided slider 5 is in the shape of a rectangular block, and its bottom surface is provided with a convex block I501 with an end face in the shape of a "convex"; the large end of the convex block I501 can be embedded in the groove I301, so that the single-sided The sliding block 5 can move along the chute 3; the end surface of the single-sided sliding block 5 is provided with a support 6 to enhance the support of the middle of the steel support 4. Preferably, the supporting member 6 is made of I-steel, the length o...
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The invention relates to a deep foundation pit supporting system which comprises a steel support, a sliding groove, a single-side sliding block and a double-side sliding block. The sliding groove is in the shape of a strip straight plate, and the edges of two sides of the sliding groove are provided with opposite inverted L-shaped ridges to form a groove I capable of guiding; the single-side sliding block is a rectangular block, and the bottom surface of the single-side sliding block is provided with a convex block I with a convex shape on the end face; the double-side sliding block is a rectangular block, the bottom surface of the double-side sliding block is provided with a convex block II with a convex shape on the end face, the two side edges of the top surface of the double-side sliding block are provided with opposite inverted L-shaped convex ridges, and a groove II capable of guiding is formed; a front-back through hole is formed in the double-side sliding block; a movable cushion block is arranged in the through hole; the sliding groove and the double-side sliding block are combined and then installed on the side wall of a foundation pit, and the sliding groove and the single-side sliding block are combined and then installed on a lattice column; and a limiting structure is arranged on the sliding groove and can limit the movement of the single-side sliding block or thedouble-side sliding block. The deep foundation pit supporting system can realize the non-planar sliding of the steel support in the vertical direction.
Description
Technical field[0001]The invention relates to a building component, in particular to a support system for open excavation foundation pits, in particular to a deep foundation pit support system.Background technique[0002]At present, open-cut foundation pits, especially deep foundation pits, need to use steel support systems to support their side walls during the excavation process to prevent them from collapsing. When the support part needs to be replaced, it is usually necessary to remove the original steel support by lifting the section, and adjust the length of the steel support before lifting the section for assembly and erection. This method not only requires a long-term occupation of large lifting equipment, but also has a series of drawbacks, such as complex procedures, long construction period, and difficulty in protecting the upper steel support and concrete support. Therefore, it is urgent to develop a new type of steel support system to solve the above problems.Summary of t...
Claims
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IPC IPC(8): E02D17/04
CPCE02D17/04
Inventor 于程方伟宋炳瑞姚芃徐庆平马娟王树人陈静
Owner 南京同力建设集团股份有限公司