CN220908667U - Supporting structure for basement dismantling - Google Patents

Supporting structure for basement dismantling Download PDF

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Publication number
CN220908667U
CN220908667U CN202322292739.1U CN202322292739U CN220908667U CN 220908667 U CN220908667 U CN 220908667U CN 202322292739 U CN202322292739 U CN 202322292739U CN 220908667 U CN220908667 U CN 220908667U
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China
Prior art keywords
basement
steel
crown
support
support structure
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CN202322292739.1U
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Chinese (zh)
Inventor
杨杰
薛伟
鹿海沛
肖庆
李宏坤
余伟纲
吴文文
李梦婷
罗明康
常育豪
王剑锋
戚绪本
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China Construction Third Bureau Group Co Ltd
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China Construction Third Bureau Group Co Ltd
China Construction Third Bureau Construction Engineering Co Ltd
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Priority to CN202322292739.1U priority Critical patent/CN220908667U/en
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Abstract

The utility model discloses a support structure for basement dismantling, which comprises a plurality of construction method piles arranged along the peripheral direction of a basement, wherein the top of each construction method pile is connected with a crown beam, the crown beams are arranged on the outer side of the basement along a ring shape, a plurality of support beams are connected in parallel on the crown beams, the support beams penetrate through the side wall of the basement, a bolt assembly is arranged on a bottom plate of the basement, the bolt assembly is connected with a steel base, a steel upright post is arranged on the steel base, the top of each steel upright post is provided with a mounting frame, each mounting frame comprises a limiting hole, and the middle parts of the support beams are connected with the limiting holes in a matching way; the utility model has the advantages of high structural stability, convenient construction and high safety.

Description

Supporting structure for basement dismantling
Technical Field
The utility model belongs to the technical field of basement support, and particularly relates to a support structure for basement dismantling.
Background
Basement demolition is a relatively large, complex branch of the demolition industry. The basement generally comprises a bottom plate, a top plate and side walls, and the main steps when the basement is dismantled include removal of walls and floors, dismantling of beams and columns and backfilling of earthwork. In order to facilitate the demolition work of the basement structure, a supporting structure is required to be arranged on the basement, so that the safety of demolition work is ensured, and adjacent buildings around are not affected.
The SMW construction method pile is also called a profile steel cement soil mixing pile, namely, a triaxial mixing pile drilling machine is utilized to cut soil in an original stratum, cement slurry is injected into the front end of the drilling machine at low pressure, and the cement slurry and the cut soil are fully mixed to form a cement soil column type retaining wall with higher water resistance, and the profile steel is inserted into the underground engineering construction technology before the cement soil slurry is not hardened.
In the prior art, under the condition of larger span of the basement, the steel reinforced cement mixing piles cannot be directly used because the bottom plate of the basement is of a concrete structure, and when the cross beams are used for supporting two sides of the pile body, the middle supporting bearing capacity of the cross beams is insufficient, so that the cross beams are easy to deform and the supporting stability is influenced; the problem that the stability of the support structure is insufficient easily to influence the construction safety when the large-span basement is dismantled.
Disclosure of utility model
The utility model aims at solving the problems existing in the prior art and provides a supporting structure for basement dismantling.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a bearing structure for basement is demolishd, includes a plurality of worker's method piles that set up along basement circumferencial direction, the top of worker's method pile is connected with the crown roof beam, the outside of basement is located along the annular to the crown roof beam, the parallel connection has a plurality of supporting beams on the crown roof beam, supporting beam pierces through the basement side wall, be provided with the bolt assembly on the basement bottom plate, the bolt assembly is connected with the steel base, be provided with the steel stand on the steel base, the top of steel stand is provided with the installing frame, the installing frame includes spacing hole, the middle part and the spacing hole cooperation of supporting beam are connected.
In the scheme, a plurality of worker method piles are arranged at the periphery of the basement and are convenient to punch and install, the worker method piles are connected into a whole along the annular arrangement through the crown beam, the stability of the whole structure is enhanced, the support of soil mass around the basement is realized, collapse is prevented, the two ends of the supporting beam are fixed through the crown beam, the supporting beam penetrates through the side wall of the basement, the worker method piles at the two sides are supported, the supporting stability is guaranteed, the basement structure is convenient to dismantle, the bottom of the steel upright is connected with the steel base, the steel upright is connected onto the basement bottom plate through the bolt assembly, the supporting stability of the steel upright is guaranteed, the mounting frame is arranged on the steel upright to support and limit the easily deformed part of the middle part of the supporting beam, and the steel upright is arranged to guarantee the bearing stability of the supporting beam.
Furthermore, an anchor spraying slope is arranged on the outer side of the crown beam, and a plurality of anchoring parts used for being connected with soil are arranged on the anchor spraying slope.
The anchor spraying side slope is of a concrete structure connected with the crown beam, the connection stability between the crown beam and the soil body is guaranteed through the connection of the anchoring piece and the soil body, and displacement during dismantling is avoided.
Further, a first metal embedded part is arranged on the crown beam, and two ends of the supporting cross beam are fixedly connected with the first metal embedded part respectively.
The metal embedded part is convenient to be connected and fixed with the end part of the supporting cross beam.
Further, the mounting frame comprises a plurality of channel steel, and the channel steel forms a limiting hole.
The channel steel is used for forming the limiting hole so as to support and limit the middle part of the supporting beam conveniently.
Further, the installation frame is rectangular structure, the installation frame contains the bottom longeron, the bottom longeron is connected with the bottom of supporting beam in proper order.
Rectangular structure is convenient in guaranteeing the location of supporting the crossbeam, carries out fixed connection to the bottom longeron through a plurality of installing frame, and the bottom longeron is connected with the bottom of supporting the crossbeam in proper order, guarantees the holistic supporting stability of supporting the crossbeam.
Further, the steel base is a rectangular steel plate, and the bolt assemblies are uniformly distributed around the steel base.
Rectangular structure is simple, stable, and the bolt assembly distributes in four bights of steel base, guarantees to connect stably.
Further, the first metal embedded part is of a channel steel structure, a connector is arranged at the end part of the supporting cross beam, and the connector is welded with the channel steel structure.
The channel steel structure is simple, and welding fixation is conveniently carried out on the connector of the supporting beam.
Further, a second metal embedded part is arranged on the crown beam, an anti-falling steel wire rope is connected to the end portion of the supporting cross beam, and the anti-falling steel wire rope is connected with the second metal embedded part.
The anti-falling steel wire rope is connected with the second metal embedded part, so that the end part of the supporting beam is prevented from falling under the unexpected situation, and the construction safety is ensured.
Compared with the prior art, the utility model has the beneficial effects that:
1. The support beam is connected by arranging the construction method piles on the periphery of the basement and matching with the crown beams, so that the stress stability of the construction method piles is ensured, and the middle part of the support beam is supported by arranging the steel upright posts on the basement bottom plate, so that the structural stability of the middle part of the support beam can be ensured and the construction safety is ensured under the condition that the span of the basement is large;
2. The construction method has the advantages that the construction method piles are arranged in the peripheral direction of the basement, the steel base and the steel upright columns are connected with the basement bottom plate through the bolt assemblies, so that construction is facilitated, the middle part of the supporting beam is connected and limited by matching with the mounting frame, excessive deformation of the supporting beam is avoided, and the two ends of the supporting beam are welded and fixed through the embedded parts on the crown beam, so that the installation is convenient;
3. After the basement structures on the two sides of the steel upright post are dismantled and backfilled, the lower part of the supporting beam is supported by the backfilled soil, and after the span of the supporting beam is reduced, the steel upright post and the basement bottom plate on the lower side of the steel upright post can be dismantled and filled, so that the construction safety is high; the construction safety is further guaranteed by arranging the anti-falling steel wire rope.
Drawings
FIG. 1 is a schematic cross-sectional view of embodiment 1 of the present utility model;
FIG. 2 is a plan view of embodiment 1 of the present utility model;
fig. 3 is a connection structure diagram of a connector in embodiment 1 of the present utility model;
fig. 4 is a schematic structural view of a mounting frame in embodiment 1 of the present utility model;
FIG. 5 is a schematic view showing the structure of a bolt assembly in embodiment 1 of the present utility model;
fig. 6 is a top view showing the structure of the joint in embodiment 2 of the present utility model;
fig. 7 is a right side view of the structure at the joint in embodiment 2 of the present utility model;
In the figure: 1. a construction method pile; 2. a crown beam; 3. a support beam; 4. a basement side wall; 5. a basement floor; 6. a bolt assembly; 7. a steel base; 8. a steel upright; 9. a mounting frame; 91. channel steel; 92. a bottom stringer; 93. a limiting hole; 94. a steel diagonal bracing; 10. spraying and anchoring a side slope; 11. an anchor; 12. a first metal embedded part; 13. a connector; 14. a second metal embedded part; 15. anti-falling steel wire rope.
Detailed Description
The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on embodiments of the present utility model, are within the scope of the present utility model. In the description of the present utility model, it should be noted that, the terms front, rear, left, right, and the like indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, are merely for convenience of describing the present utility model or simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured or operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
Example 1
As shown in fig. 1-5, a supporting structure for basement demolishs, including a plurality of worker method piles 1 that set up along basement periphery, the top of worker method pile 1 is connected with crown beam 2, crown beam 2 locates the top outside of basement along the annular, parallel connection has a plurality of supporting beams 3 on crown beam 2, supporting beam 3 pierces through basement side wall 4, be provided with bolt assembly 6 on the basement bottom plate 5, bolt assembly 6 is connected with steel base 7, be provided with steel stand 8 on the steel base 7, the top of steel stand 8 is provided with mounting frame 9, mounting frame 9 includes spacing hole 93, the middle part and the spacing hole 93 cooperation of supporting beam 3 are connected.
In the above-mentioned scheme, a plurality of worker method piles 1 are located the basement periphery and are convenient for be in the installation of punching, set up along the annular through the crown beam 2 and connect worker method pile 1 as whole, strengthen overall structural stability, realize the support to the soil body around the basement, prevent to collapse, fix the both ends of supporting beam 3 through crown beam 2, supporting beam 3 pierces through basement side wall 4, thereby be convenient for demolish the basement, steel base 7 is connected to steel stand 8's bottom, connect on basement bottom plate 5 through bolt assembly 6, the supporting stability of steel stand 8 has been guaranteed, set up the easy deformation position at the middle part of installing frame 9 to supporting beam 3 on the steel stand 8 and support and spacing, set up the bearing stability of steel stand 8 assurance supporting beam 3.
The construction method pile 1 is an SMW construction method pile, a limiting hole 93 is formed in the basement bottom plate 5, a bolt assembly 6 is arranged in the limiting hole 93, and the bolt assembly 6 comprises a nut and an M24 expansion bolt arranged in the basement bottom plate 5. When the basement is dismantled, the two sides of the basement bottom plate 5 are dismantled firstly, earthwork backfilling is carried out, and after the backfilling earthwork height is enough to support and position the two sides of the supporting beam 3, the steel upright post 8, the steel base 7 and the basement bottom plate 5 at the lower side of the steel base 7 are dismantled. The steel upright 8 is a HW400x400x13x21 steel upright 8, and the bottom is fully welded with the 800x800x16 steel base 7.
Further, an anchor spraying slope 10 is arranged on the outer side of the crown beam 2, and a plurality of anchoring pieces 11 used for being connected with soil bodies are arranged on the anchor spraying slope 10.
The anchor spraying slope 10 is a concrete structure connected with the crown beam 2, and the anchor 11 is connected with the soil body to ensure the connection stability between the crown beam 2 and the soil body, so that displacement is avoided during dismantling.
The anchor 11 is a construction soil nail.
Further, a first metal embedded part 12 is arranged on the crown beam 2, and two ends of the supporting cross beam 3 are fixedly connected with the first metal embedded part 12 respectively.
The first metal embedded part 12 is convenient to be connected and fixed with the end part of the supporting beam 3.
The supporting beam 3 is supported by phi 609x16mm steel pipes.
Further, the mounting frame 9 comprises a plurality of channel steel 91, the channel steel 91 forms a limiting hole 93, and the supporting beam 3 is transversely arranged in the limiting hole 93.
The use of channel steel 91 to form a limiting aperture 93 facilitates the support and limiting of the middle of the support beam 3. The channel steel 91 is welded to each other.
Further, the mounting frame 9 has a rectangular structure, and the mounting frame 9 includes a bottom longitudinal beam 92, and the bottom longitudinal beam 92 is sequentially connected with the bottom of the supporting cross beam 3.
The rectangular structure is convenient for guaranteeing the positioning of the supporting beam 3, and the bottom longitudinal beams 92 are fixedly connected through the plurality of mounting frames 9, and the bottom longitudinal beams 92 are sequentially connected with the bottom of the supporting beam 3, so that the overall supporting stability of the supporting beam 3 is guaranteed.
The bottom of the bottom stringers 92 is provided with steel diagonal braces 94, the steel diagonal braces 94 being connected to the steel uprights 8 to increase the bearing capacity.
Further, the steel base 7 is a rectangular steel plate, and the bolt assemblies 6 are uniformly distributed around the steel base 7.
The rectangular structure is simple and stable, the bolt assemblies 6 are distributed at four corners of the steel base 7, and connection stability is guaranteed.
Further, the first metal embedded part 12 is of a channel steel 91 structure, a connector 13 is arranged at the end part of the supporting beam 3, and the connector 13 is welded with the channel steel 91 structure.
The channel steel 91 has a simple structure and is convenient for welding and fixing the connector 13 of the supporting beam 3.
Example 2
As shown in fig. 6-7, a support structure for basement removal according to this embodiment is further optimized on the basis of embodiment 1:
Further, a second metal embedded part 14 is arranged on the crown beam 2, an anti-falling steel wire rope 15 is connected to the end portion of the supporting cross beam 3, and the anti-falling steel wire rope 15 is connected with the second metal embedded part 14.
The anti-falling steel wire rope 15 is connected with the second metal embedded part 14, so that the end part of the supporting beam 3 is prevented from falling under the unexpected situation, and the construction safety is ensured.
The anti-falling steel wire rope 15 is wound at the end part of the supporting beam 3, the end part of the supporting beam 3 can be provided with a limiting structure or a hole structure to connect the anti-falling steel wire rope 15, the second metal embedded part 14 is angle steel, and the angle steel is provided with a connecting hole to be connected with the anti-falling steel wire rope 15.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A bearing structure for basement demolishs, its characterized in that includes a plurality of worker's stake that set up along basement outer circumferencial direction, the top of worker's stake is connected with the crown roof beam, the outside of basement is located along the annular to the crown roof beam, the parallel connection has a plurality of supporting beams on the crown roof beam, supporting beams pierces through the basement side wall, be provided with the bolt assembly on the basement bottom plate, the bolt assembly is connected with the steel base, be provided with the steel stand on the steel base, the top of steel stand is provided with the installing frame, the installing frame includes spacing hole, the middle part and the spacing hole cooperation of supporting beams are connected.
2. The support structure for basement demolition of claim 1, wherein the outside of the crown beam is provided with a spray anchor slope provided with a number of anchors for connection with the soil body.
3. The support structure for basement removal according to claim 1, wherein a first metal embedded part is arranged on the crown beam, and two ends of the support cross beam are fixedly connected with the first metal embedded part respectively.
4. The support structure for basement removal of claim 1, wherein the mounting frame comprises a plurality of channels forming the spacing holes.
5. The support structure for basement removal of claim 4, wherein the mounting frame is a rectangular structure, the mounting frame comprising bottom stringers, the bottom stringers being in turn connected to the bottom of the support beams.
6. The support structure for basement removal of claim 1, wherein the steel base is a rectangular steel plate and the bolt assemblies are evenly distributed around the steel base.
7. A support structure for basement removal as claimed in claim 3 wherein the first metal embedment is a channel structure, and the end of the support beam is provided with a connector, and the connector is welded to the channel structure.
8. The support structure for basement removal according to claim 1, wherein the crown beam is provided with a second metal embedded part, the end of the support beam is connected with an anti-falling steel wire rope, and the anti-falling steel wire rope is connected with the second metal embedded part.
CN202322292739.1U 2023-08-25 2023-08-25 Supporting structure for basement dismantling Active CN220908667U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322292739.1U CN220908667U (en) 2023-08-25 2023-08-25 Supporting structure for basement dismantling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322292739.1U CN220908667U (en) 2023-08-25 2023-08-25 Supporting structure for basement dismantling

Publications (1)

Publication Number Publication Date
CN220908667U true CN220908667U (en) 2024-05-07

Family

ID=90918988

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322292739.1U Active CN220908667U (en) 2023-08-25 2023-08-25 Supporting structure for basement dismantling

Country Status (1)

Country Link
CN (1) CN220908667U (en)

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