CN219930990U - Building deep foundation pit assembled steel-concrete combined supporting structure - Google Patents
Building deep foundation pit assembled steel-concrete combined supporting structure Download PDFInfo
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- CN219930990U CN219930990U CN202320798759.3U CN202320798759U CN219930990U CN 219930990 U CN219930990 U CN 219930990U CN 202320798759 U CN202320798759 U CN 202320798759U CN 219930990 U CN219930990 U CN 219930990U
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- steel
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- foundation pit
- deep foundation
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- 239000004567 concrete Substances 0.000 title claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 47
- 239000010959 steel Substances 0.000 claims abstract description 47
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- 239000011150 reinforced concrete Substances 0.000 claims description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Reinforcement Elements For Buildings (AREA)
Abstract
The utility model relates to the technical field of foundation pit support, in particular to an assembled steel-concrete combined support structure for a deep foundation pit of a building, which comprises I-steel and two steel bar meshes, wherein the two steel bar meshes are respectively arranged on two sides of the I-steel, two ends of the I-steel are connected with connecting flanges, micro-expansion concrete is filled on two sides of the I-steel, tensile members are arranged in the micro-expansion concrete filling, the I-steel comprises two flange plates and a web plate, the two flange plates are fixed on two sides of the web plate, filling areas are respectively formed on two sides of the web plate in a matched mode, the micro-expansion concrete filling is respectively poured on the two filling areas, the tensile members are steel bar meshes formed by longitudinal main ribs, vertical dowel bars and transverse lacing wires, and the steel bars are pre-welded in the two filling areas of the I-steel. The utility model can be repeatedly used, is convenient to construct, and has super-strong bearing capacity.
Description
Technical Field
The utility model relates to the technical field of foundation pit support, in particular to an assembled steel-concrete combined support structure for a deep foundation pit of a building.
Background
The deep foundation pit support is a measure for supporting, reinforcing and protecting the side wall of the deep foundation pit and the surrounding environment of the foundation pit in order to ensure the safety of the construction of the underground structure of the building and the surrounding environment of the foundation pit, and mainly adopts a steel structure and concrete as main supporting structures.
The traditional deep foundation pit support is cast-in-place concrete support and shaped steel support, and the support structure later stage needs to be broken to be demolishd, produces a large amount of solid wastes, causes the material extravagant to the shaped steel support is single, and is little to unable direct use of large-scale operating mode.
Disclosure of Invention
In view of the above, the utility model aims to provide an assembled steel-concrete combined supporting structure for a deep foundation pit of a building, so as to solve the problems that the existing supporting structure cannot be recycled due to discarding when being dismantled in a later period and has limited bearing capacity.
Based on the above purpose, the utility model provides the fabricated steel-concrete combined support structure for the deep foundation pit of the building, which fully utilizes the advantages of strong bending resistance, light weight, high structural strength and the like of the I-steel, and the advantages of high concrete strength, good integrity, strong durability and the like.
The utility model provides a building deep basal pit assembled steel and concrete composite support structure, includes I-steel, two reinforcing bar net piece sets up respectively in I-steel both sides, I-steel both ends all are connected with flange, I-steel both sides all have little inflation concrete to fill, all be equipped with tensile piece in the little inflation concrete is filled.
Further, the I-steel comprises two flange plates and a web plate, wherein the two flange plates are fixed on two sides of the web plate, filling areas are formed on two sides of the web plate in cooperation with the two flange plates, and the micro-expansion concrete is filled in the two filling areas respectively.
Furthermore, the tensile piece is a reinforcing steel mesh formed by a longitudinal main rib, a vertical dowel rib and a transverse lacing rib, and the reinforcing steel is pre-welded in two filling areas of the I-steel.
Furthermore, a plurality of reinforcing rib plates are welded at the joint of the connecting flange and the I-steel.
Furthermore, the I-steel and the micro-expansion concrete are filled to form a steel-concrete support, and the connecting flange can connect a plurality of steel-concrete supports into a whole.
Furthermore, the I-steel body can wrap the micro-expansion concrete filling.
Furthermore, the I-steel material is carbon steel.
The utility model has the beneficial effects that:
according to the utility model, the micro-expansion concrete is filled at two sides of the I-steel, and the device can be repeatedly used in a turnover way by matching with the tensile steel bars arranged inside, so that the bearing capacity of the unit section is large, the construction is convenient, and the environment is protected.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the utility model and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of an embodiment of the present utility model;
fig. 2 is a schematic plan view of an embodiment of the present utility model.
Marked in the figure as:
1. i-steel; 11. flange plates; 12. a web; 2. a connecting flange; 3. reinforcing rib plates; 4. filling micro-expansion concrete; 5. a tensile member; 6. reinforcing steel mesh.
Detailed Description
The present utility model will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present utility model more apparent.
It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
Referring to fig. 1-2, an assembled reinforced concrete combined supporting structure for a deep foundation pit of a building comprises an I-steel 1 and two reinforced net pieces 6, wherein the two reinforced net pieces 6 are respectively arranged on two sides of the I-steel 1, two ends of the I-steel 1 are connected with connecting flanges 2, micro-expansion concrete filling 4 is arranged on two sides of the I-steel 1, and a tensile member 5 is arranged in the micro-expansion concrete filling 4.
The I-steel 1 comprises two flange plates 11 and a web plate 12, wherein the two flange plates 11 are fixed on two sides of the web plate 12, filling areas are formed on two sides of the web plate 12 in cooperation with the two flange plates 11, and the micro-expansion concrete filling 4 is respectively poured in the two filling areas.
The tensile piece 5 is composed of a longitudinal main rib, a vertical dowel rib and a transverse dowel rib, the tensile piece 5 is welded in two filling areas of the I-steel in advance, and the transverse dowel rib is used for hooking the longitudinal main rib and the vertical dowel rib on two sides.
The joint of the connecting flange 2 and the I-steel 1 is welded with a plurality of reinforcing rib plates 3, the I-steel 1 body can wrap the micro-expansion concrete filling 4, and the I-steel 1 is made of carbon steel.
The present utility model is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.
Claims (6)
1. The utility model provides a building deep basal pit assembled steel and concrete composite support structure, includes I-steel (1), two reinforcing bar net piece (6), its characterized in that, two reinforcing bar net piece (6) set up respectively in I-steel (1) both sides, I-steel (1) both ends all are connected with flange (2), I-steel (1) both sides all have little inflation concrete to fill (4), all be equipped with tensile piece (5) in little inflation concrete to fill (4).
2. The construction deep foundation pit assembled steel-concrete combined supporting structure according to claim 1, wherein the I-steel (1) comprises two flange plates (11) and a web (12), the two flange plates (11) are fixed on two sides of the web (12), filling areas are formed on two sides of the web (12) in cooperation with the two flange plates (11), and the micro-expansion concrete filling areas (4) are respectively poured in the two filling areas.
3. The fabricated reinforced concrete combined support structure of the deep foundation pit of the building according to claim 2, wherein the tensile member (5) is composed of a longitudinal main rib, a vertical dowel rib and a transverse dowel rib, the tensile member (5) is pre-welded in two filling areas of I-steel, and the transverse dowel rib is used for hooking the longitudinal main rib and the vertical dowel rib on two sides.
4. The assembled steel-concrete combined support structure for the deep foundation pit of the building, according to claim 1, is characterized in that a plurality of reinforcing rib plates (3) are welded at the joint of the connecting flange (2) and the I-steel (1).
5. The fabricated steel-concrete combined support structure for the deep foundation pit of the building, according to claim 1, is characterized in that the I-steel (1) body can wrap the micro-expansion concrete filling (4).
6. The fabricated steel-concrete combined support structure for the deep foundation pit of the building, according to claim 1, is characterized in that the I-steel (1) is made of carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320798759.3U CN219930990U (en) | 2023-04-12 | 2023-04-12 | Building deep foundation pit assembled steel-concrete combined supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320798759.3U CN219930990U (en) | 2023-04-12 | 2023-04-12 | Building deep foundation pit assembled steel-concrete combined supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219930990U true CN219930990U (en) | 2023-10-31 |
Family
ID=88493883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320798759.3U Active CN219930990U (en) | 2023-04-12 | 2023-04-12 | Building deep foundation pit assembled steel-concrete combined supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219930990U (en) |
-
2023
- 2023-04-12 CN CN202320798759.3U patent/CN219930990U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A prefabricated steel-concrete composite support structure for deep foundation pits in buildings Granted publication date: 20231031 Pledgee: Nantong Guorun Financial Leasing Co.,Ltd. Pledgor: JIANGSU RUOQI BUILDING INDUSTRY Co.,Ltd. Registration number: Y2024980007602 |