CN217999066U

CN217999066U - Take raft foundation building's basement to reform transform structure

Info

Publication number: CN217999066U
Application number: CN202222437330.XU
Authority: CN
Inventors: 郑云扬
Original assignee: Nanchang Hangkong University
Current assignee: Nanchang Hangkong University
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2022-12-09
Anticipated expiration: 2032-09-14

Abstract

The utility model discloses a take basement of raft foundation building to reform transform structure, including the last flat board that is used for supporting the top, it is provided with the beam slab subassembly to go up the flat board below, the beam slab subassembly includes Liang Tiaozhu, side column and supports the piece, liang Tiaozhu is equilateral triangle post, two the side column is right angled triangle post, and symmetric connection Liang Tiaozhu both sides, constitutes a beam column, and a plurality of the beam column is parallel to each other and vertical connection in last flat board below, forms a beam slab that has a large amount of rectangle fretworks in the middle part, and a plurality of support the piece fixed setting in the position that the beam column coincides; the supporting block is vertically and fixedly connected with the supporting column below the supporting block, a lower plate assembly is arranged below the supporting column and used for being connected with the foundation pit. The utility model discloses can disperse power to reduce hookup location's rigid wearing and tearing, improved the safety of support.

Description

Take raft foundation building's basement to reform transform structure

Technical Field

The utility model relates to a building structure technical field especially relates to a take basement of raft foundation building to reform transform structure.

Background

The raft foundation is integrally composed of a bottom plate, a beam and the like. Building load is great, and foundation ditch bearing capacity is weaker, often adopts concrete bottom plate raft, bears building load, forms raft foundation, and its wholeness is good, can resist foundation ditch differential settlement well, carries out the in-process of transforming to the basement, also can use raft foundation to construct usually.

Chinese patent CN106285032B discloses a basement reconstruction structure with raft foundation building, which is characterized in that original piles are used as load bearing columns of the basement, partial piles of the underground chamber are removed, the original piles are reinforced to form load bearing columns, and the load bearing columns are effectively connected with the original piles through special connection structures. The basement bottom plate is provided with shearing resistant ribs at the positions of the bearing columns, and the shearing resistant ribs are shaped like a stool.

The upper plate and the bearing columns in the existing raft foundation under the ground are mostly directly connected, but the original bearing columns are mostly of column block structures, and the upper end of the raft foundation cannot exert effective differentiation force to the force to cause hard damage of the joints.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the force cannot be effectively differentiated when being applied to the upper end in the prior art, and the hard damage of the joint is caused, and the basement of the building with the raft foundation is improved.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a basement reconstruction structure with a raft foundation building comprises an upper flat plate used for supporting the top, wherein a beam plate assembly is arranged below the upper flat plate, the beam plate assembly comprises Liang Tiaozhu, side columns and abutting blocks, liang Tiaozhu is an equilateral triangle column, two side columns are right-angled triangle columns and are symmetrically connected to two sides of Liang Tiaozhu to form a beam column, a plurality of beam columns are mutually connected below the upper flat plate in parallel and vertically to form a beam plate with a large number of rectangular hollows in the middle, and a plurality of abutting blocks are fixedly arranged at the positions where the beam columns are overlapped;

the supporting block is vertically and fixedly connected with the supporting column below the supporting block, a lower plate assembly is arranged below the supporting column and used for being connected with the foundation pit.

Preferably, the lower plate assembly comprises a lower flat plate and connecting columns, the lower flat plate is arranged below the supporting columns, and the connecting columns are fixedly arranged on the bottom side of the lower flat plate and used for foundation pit connection.

Preferably, the bottom end of the supporting column is provided with a connecting structure, and the connecting structure is arranged between the supporting column and the lower flat plate.

Preferably, the connecting structure comprises a reinforcing plate and supporting blocks, the reinforcing plate is fixedly connected to the lower ends of the supporting columns, and the supporting blocks are fixedly connected to the lower portions of the reinforcing plate and located under the supporting columns respectively.

Preferably, the supporting block is in a circular truncated cone shape, and the area of the upper end face of the supporting block is larger than that of the bottom end of the supporting column.

Preferably, the upper flat plate and the lower flat plate are internally provided with reinforcing bars, and the reinforcing bars are arranged in parallel at equal intervals.

Compared with the prior art, the beneficial effects of the utility model are that:

during construction, lower board subassembly is played in the pouring of foundation ditch earlier, construct the construction with the bottom of overall structure, at this moment construct the pouring to the support column according to the use design of basement, even as an organic whole with the lower board subassembly of below, the upper flat plate that will install the beam slab fixes in a plurality of support column upper ends, because full triangle-shaped's Liang Tiaozhu and side column can play better supporting role when the atress, can disperse power simultaneously, thereby reduced hookup location's rigid wearing and tearing, the safety of support has been improved.

Drawings

Fig. 1 is a schematic side structure view of a modified basement structure of a building with raft foundation according to the present invention;

fig. 2 is a schematic bottom structure view of a modified basement structure of a building with raft foundation;

fig. 3 is a schematic front structure view of a modified basement structure of a building with raft foundation;

fig. 4 is the utility model provides a take raft foundation building's basement to reform transform beam slab subassembly structural schematic diagram of structure.

In the figure: the beam-slab combined structure comprises an upper flat plate 1, a beam-slab assembly 2, a beam-slab assembly 21 Liang Tiaozhu, a side column 22, a support block 23, a support column 3, a lower plate assembly 4, a lower flat plate 41, a connecting column 42, a connecting structure 5, a reinforcing plate 51, a support block 52 and reinforcing ribs 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the present invention, the terms "upper", "lower", "left", "right", "middle" and "one" are used for clarity of description, but not for limiting the range of the present invention, and the relative relationship changes or adjustments without substantial technical changes should be regarded as the scope of the present invention.

Referring to fig. 1-4, a basement reconstruction structure of a building with raft foundation comprises an upper flat plate 1 for supporting the top, a beam plate assembly 2 is arranged below the upper flat plate 1, the beam plate assembly 2 comprises Liang Tiaozhu, side columns 22 and resisting blocks 23, liang Tiaozhu is an equilateral triangle column, two side columns 22 are right-angled triangle columns and are symmetrically connected to two sides of Liang Tiaozhu to form a beam column, a plurality of beam columns are mutually connected in parallel and vertically below the upper flat plate 1 to form a beam plate with a large number of rectangular hollows in the middle, and the resisting blocks 23 are fixedly arranged at the positions where the beam columns are overlapped;

the supporting columns 3 are vertically and fixedly connected below the abutting blocks 23, the lower plate assemblies 4 are arranged below the supporting columns 3, and the lower plate assemblies 4 are used for connecting foundation pits.

In the embodiment applying the technical scheme, during construction, the lower plate component 4 is poured in the foundation pit firstly, the bottom end of the whole structure is constructed, at the moment, the support columns 3 are constructed and poured according to the use design of the basement, the lower plate component 4 is connected with the lower plate component 4, the upper flat plate 1 provided with the beam plates is fixed at the upper ends of the support columns 3, and the Liang Tiaozhu and the side columns 22 which are all triangular can play a better supporting role when stressed and can disperse force, so that the hard abrasion of the connecting positions is reduced, and the supporting safety is improved.

According to the preferable technical scheme in the embodiment, the lower plate component 4 comprises a lower flat plate 41 and connecting columns 42, the lower flat plate 41 is arranged below the supporting columns 3, the connecting columns 42 are fixedly arranged at the bottom side of the lower flat plate 41 and used for connecting a foundation pit, the lower flat plate 41 is formed by pouring concrete and used for connecting the foundation pit, and the connecting columns 42 are placed inside the lower flat plate 41 according to positions before pouring is completed and used for fixing the lower flat plate 41 inside the foundation pit;

the bottom end of the supporting column 3 is provided with a connecting structure 5, the connecting structure 5 is arranged between the supporting column 3 and the lower flat plate 41, and the force is concentrated when the lower part of the supporting column 3 is stressed, so that the lower flat plate 41 is easy to crack partially, and the reinforced connection is performed through the connecting structure 5;

the connecting structure 5 comprises a reinforcing plate 51 and supporting blocks 52, the reinforcing plate 51 is fixedly connected to the lower ends of the supporting columns 3, the supporting blocks 52 are fixedly connected below the reinforcing plate 51 and are respectively positioned under the supporting columns 3, the reinforcing plate 51 is used for bearing and sharing the gravity in the basement, and the stress between the supporting columns 3 and the lower plate assembly 4 is reduced;

the supporting block 52 is in a circular truncated cone shape, the area of the upper end face is larger than that of the bottom end of the supporting column 3, the contact area below the supporting block 52 in the circular truncated cone shape is increased, force is uniformly dispersed, and therefore concentrated stress below the supporting column 3 is reduced;

go up dull and stereotyped 1 and dull and stereotyped 41 inside and be provided with arrangement of reinforcement 6 down, a plurality of arrangement of reinforcement 6 equidistance parallel arrangement, arrangement of reinforcement 6 are used for strengthening the intensity between two plate bodys, are used for being connected with exterior structure simultaneously.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The basement reconstruction structure comprises an upper flat plate (1) used for supporting the top, and is characterized in that a beam plate assembly (2) is arranged below the upper flat plate (1), the beam plate assembly (2) comprises Liang Tiaozhu (21), side columns (22) and abutting blocks (23), the Liang Tiaozhu (21) is an equilateral triangle column, the two side columns (22) are right-angled triangle columns and are symmetrically connected to two sides of Liang Tiaozhu (21) to form a beam column, the beam columns are mutually parallel and vertically connected below the upper flat plate (1) to form a beam plate with a large number of rectangular hollowed-out parts in the middle, and the abutting blocks (23) are fixedly arranged at the positions where the beam columns are overlapped;

the supporting column (3) is vertically and fixedly connected below the supporting block (23), the lower plate component (4) is arranged below the supporting column (3), and the lower plate component (4) is used for connecting a foundation pit.

2. The basement reconstruction structure with raft foundation building according to claim 1, wherein the lower plate assembly (4) comprises a lower flat plate (41) and connecting columns (42), the lower flat plate (41) is arranged below the supporting columns (3), and the connecting columns (42) are fixedly arranged at the bottom side of the lower flat plate (41) and are used for foundation pit connection.

3. The basement reconstruction structure with raft foundation building according to claim 1, wherein the bottom end of the support column (3) is provided with a connecting structure (5), and the connecting structure (5) is arranged between the support column (3) and the lower flat plate (41).

4. The basement reconstruction structure of a building with a raft foundation according to claim 3, wherein the connecting structure (5) comprises a gusset plate (51) and support blocks (52), the gusset plate (51) is fixedly connected to the lower ends of the support columns (3), and the support blocks (52) are fixedly connected below the gusset plate (51) and respectively located under the support columns (3).

5. The basement reconstruction structure with raft foundation building according to claim 4, wherein the support blocks (52) are truncated cone-shaped, and the area of the upper end face is larger than that of the bottom end of the support column (3).

6. The basement reconstruction structure with raft foundation building according to claim 2, wherein the upper flat plate (1) and the lower flat plate (41) are internally provided with reinforcing bars (6), and a plurality of reinforcing bars (6) are arranged in parallel at equal intervals.