CN219653726U - Prefabricated core of assembled - Google Patents
Prefabricated core of assembled Download PDFInfo
- Publication number
- CN219653726U CN219653726U CN202320849596.7U CN202320849596U CN219653726U CN 219653726 U CN219653726 U CN 219653726U CN 202320849596 U CN202320849596 U CN 202320849596U CN 219653726 U CN219653726 U CN 219653726U
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- main body
- prefabricated core
- concrete main
- steel pipe
- end steel
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 48
- 239000010959 steel Substances 0.000 claims abstract description 48
- 239000004567 concrete Substances 0.000 claims abstract description 46
- 238000010276 construction Methods 0.000 claims abstract description 34
- 239000011150 reinforced concrete Substances 0.000 abstract description 18
- 238000011065 in-situ storage Methods 0.000 description 13
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses an assembled prefabricated core, which is formed by connecting a plurality of assembled prefabricated core units end to end, wherein each assembled prefabricated core unit comprises a concrete main body, a construction rib arranged in the concrete main body, a hanging ring arranged at the top of the construction rib, a hanging ring accommodating hole arranged at the bottom of the concrete main body, a receiving end steel pipe arranged at the upper part of the concrete main body and an inserting end steel pipe arranged at the lower part of the concrete main body, and the adjacent concrete main bodies are connected through the receiving end steel pipe and the inserting end steel pipe. The planar shape of the prefabricated core unit is determined by the shape of the fabricated reinforced concrete enclosure structure, and can be round, rectangular or other shapes. The prefabricated core has good rigidity, strength and stability, improves the engineering quality, can be recycled, is environment-friendly, has short construction period and reduces the construction cost.
Description
Technical Field
The utility model relates to the technical field of foundation pit construction, in particular to an assembled prefabricated core.
Background
With the continuous improvement of urban level, urban problems are increasingly highlighted, and urban underground space development and utilization become one of effective modes for solving the diseases of large cities. At present, when an underground space foundation pit of a city is excavated, the enclosure structure mainly comprises a cast-in-situ reinforced concrete structure and a prefabricated reinforced concrete structure.
The prior art has the following defects: firstly, the construction period of the cast-in-situ reinforced concrete structure is long; secondly, the construction quality cannot be guaranteed; thirdly, cast-in-situ reinforced concrete structures and prefabricated reinforced concrete structural steels cannot be recycled.
Disclosure of Invention
The prefabricated core provided by the utility model has the advantages of better rigidity, strength and stability, improved engineering quality, recycling, environmental friendliness, short construction period and reduced construction cost.
The technical problems to be solved are as follows: the construction period of the cast-in-situ reinforced concrete structure is long, the quality cannot be ensured, and the cast-in-situ and precast reinforced concrete structure cannot be recycled.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model relates to an assembled prefabricated core, which is formed by connecting a plurality of assembled prefabricated core units end to end, wherein each assembled prefabricated core unit comprises a concrete main body, a construction rib arranged in the concrete main body, a hanging ring arranged at the top of the construction rib, a hanging ring accommodating hole arranged at the bottom of the concrete main body, a receiving end steel pipe arranged at the upper part of the concrete main body and an inserting end steel pipe arranged at the lower part of the concrete main body, and the adjacent concrete main bodies are connected through the receiving end steel pipe and the inserting end steel pipe.
The prefabricated core is characterized in that the prefabricated core is a prefabricated core.
The aperture of the hanging ring accommodating hole is larger than the size of the hanging ring.
The utility model relates to an assembled prefabricated core, which is characterized in that the top end face of a concrete main body where a receiving end steel pipe is positioned is parallel to the bottom end face of the concrete main body where an inserting end steel pipe is positioned.
The diameter of the receiving end steel pipe is larger than that of the inserting end steel pipe.
The length of the receiving end steel pipe is longer than the length of the inserting end steel pipe exposed out of the bottom end face of the concrete main body.
The prefabricated core is characterized in that the side surface of the concrete main body is provided with a component accommodating hole.
The utility model relates to an assembled prefabricated core, and further relates to a concrete main body with a circular cross section.
The utility model relates to an assembled prefabricated core, and further relates to a concrete main body with a rectangular cross section.
Compared with the prior art, the utility model has the following beneficial effects:
1. compared with the existing cast-in-situ reinforced concrete structure, the utility model solves the problems that the cast-in-situ reinforced concrete structure in the present stage has long construction period and can not ensure the quality; the construction period is shortened, and the engineering quality is improved;
2. compared with the existing cast-in-situ reinforced concrete structure and prefabricated reinforced concrete structure, the utility model overcomes the problem that the cast-in-situ reinforced concrete structure cannot be recycled; the provided prefabricated core unit can be recycled, is environment-friendly, and reduces construction cost;
3. the prefabricated core has the advantages of good rigidity, strength and stability, reasonable structural arrangement, flexible and convenient construction and wide application range, and can be arranged according to actual requirements.
The utility model is further described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a side view of the present utility model;
FIG. 3 is a top view of the present utility model in rectangular cross section;
fig. 4 is a top view of the present utility model in circular cross section.
Reference numerals:
1. a concrete body; 2. constructing ribs; 3. a hanging ring; 4. a hanging ring accommodating hole; 5. receiving end steel pipes; 6. inserting an end steel pipe; 7. the member accommodating hole.
Detailed Description
As shown in fig. 1-4, the utility model discloses an assembled prefabricated core, which is formed by connecting a plurality of assembled prefabricated core units end to end, wherein the assembled prefabricated core units adopt modular design and comprise a concrete main body 1, a construction rib 2, a lifting ring 3, a lifting ring accommodating hole 4, a receiving end steel pipe 5, an inserting end steel pipe 6 and a component accommodating hole 7, and the shape of the concrete main body 1 is determined according to the shape of a steel-concrete enclosure structure and can be round, rectangular or other shapes.
The construction ribs 2 are symmetrically arranged inside the concrete main body 1, hanging rings 3 are arranged at the tops of the construction ribs 2, and two ends of each hanging ring 3 are respectively connected with the two construction ribs 2 through welding.
The hanging ring accommodating hole 4 is arranged at the lower part of the concrete main body 1 and is used for accommodating the hanging ring 3 after the adjacent concrete main bodies 1 are connected; the aperture of the hanging ring accommodating hole 4 is slightly larger than the size of the hanging ring 3, so that the hanging ring 3 is convenient to insert into the hanging ring accommodating hole 4.
The bearing end steel pipe 5 is arranged at the upper part of the concrete main body 1, one end of the bearing end steel pipe is embedded in the concrete main body 1, and the other end of the bearing end steel pipe is flush with the top surface of the concrete main body 1; the insert end steel pipe 6 is arranged at the lower part of the prefabricated core unit, one end of the insert end steel pipe 6 is embedded in the concrete main body 1, the other end of the insert end steel pipe extends out of the bottom surface of the concrete main body 1, the diameter of the receiving end steel pipe 5 is slightly larger than that of the insert end steel pipe 6, and the top end surface of the concrete main body 1 where the receiving end steel pipe 5 is positioned is parallel to the bottom end surface of the concrete where the insert end steel pipe 6 is positioned. The length of the receiving end steel pipe 5 is slightly longer than the length of the inserting end steel pipe 6 exposed out of the end face of the bottom of the concrete main body 1, and the vertical direction before the adjacent prefabricated core units is connected with the inserting end steel pipe 6 through the receiving end steel pipe 5.
The member receiving holes 7 are provided at the side of the concrete body 1 for receiving the connection pieces of the surrounding steel members, and the member receiving holes 7 are slightly larger than the connection pieces of the surrounding steel members.
1. Compared with the existing cast-in-situ reinforced concrete structure, the utility model solves the problems that the cast-in-situ reinforced concrete structure in the present stage has long construction period and can not ensure the quality; shortening the construction period and improving the engineering quality.
2. Compared with the existing cast-in-situ reinforced concrete structure and prefabricated reinforced concrete structure, the utility model overcomes the problem that the cast-in-situ reinforced concrete structure cannot be recycled; the prefabricated core unit of assembled that provides, but cyclic utilization, green has reduced construction cost.
3. The prefabricated core has the advantages of good rigidity, strength and stability, reasonable structural arrangement, flexible and convenient construction and wide application range, and can be arranged according to actual requirements.
The construction steps are as follows:
step one, according to the design of the prefabricated core construction diagram, the prefabricated core is processed and manufactured in a factory and transported to a construction site.
And secondly, leveling the construction site and reinforcing the weak stratum.
And thirdly, measuring and paying off is carried out on a construction site, and the specific position of the enclosure structure is determined.
And fourthly, excavating a groove or a hole by using groove forming or drilling equipment under the condition of mud wall protection according to the construction drawing design, and cleaning the bottom.
And fifthly, hanging the steel member into the groove or the hole by using a crane, connecting the steel member with the groove or the hole by using a connecting piece, and discharging slurry in the groove or the hole.
And step six, the assembled prefabricated core unit is adjusted into the steel component by using a crane.
And step seven, repeating the step one to the step six repeatedly to finish the construction of the second or root enclosure structure.
And step eight, repeating the step one to the step seven repeatedly to finish the construction of the whole foundation pit support structure.
The above examples are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the present utility model.
Claims (9)
1. An assembled prefabricated core, characterized in that: the prefabricated core units are formed by connecting a plurality of prefabricated core units end to end, each prefabricated core unit comprises a concrete main body (1), a construction rib (2) arranged in the concrete main body (1), a lifting ring (3) arranged at the top of the construction rib (2), a lifting ring accommodating hole (4) arranged at the bottom of the concrete main body (1) and an accepting end steel pipe (5) arranged on the upper part of the concrete main body (1) and an inserting end steel pipe (6) arranged on the lower part of the concrete main body, wherein the adjacent prefabricated core units are connected through the accepting end steel pipes (5) and the inserting end steel pipes (6).
2. A prefabricated core according to claim 1, characterized in that: the concrete main body (1) is internally symmetrically provided with the constructional ribs (2).
3. A prefabricated core according to claim 1, characterized in that: the aperture of the hanging ring accommodating hole (4) is larger than the size of the hanging ring (3).
4. A prefabricated core according to claim 1, characterized in that: the top end face of the concrete main body (1) where the receiving end steel pipe (5) is located is parallel to the bottom end face of the concrete main body (1) where the inserting end steel pipe (6) is located.
5. A prefabricated core according to claim 1, characterized in that: the diameter of the receiving end steel pipe (5) is larger than that of the inserting end steel pipe (6).
6. A prefabricated core according to claim 5, wherein: the length of the receiving end steel pipe (5) is longer than the length of the inserting end steel pipe (6) exposed out of the end face of the bottom of the concrete main body (1).
7. A prefabricated core according to claim 1, characterized in that: the side surface of the concrete main body (1) is provided with a component accommodating hole (7).
8. A prefabricated core according to claim 1, characterized in that: the section of the concrete main body (1) is circular.
9. A prefabricated core according to claim 1, characterized in that: the section of the concrete main body (1) is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320849596.7U CN219653726U (en) | 2023-04-17 | 2023-04-17 | Prefabricated core of assembled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320849596.7U CN219653726U (en) | 2023-04-17 | 2023-04-17 | Prefabricated core of assembled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219653726U true CN219653726U (en) | 2023-09-08 |
Family
ID=87875878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320849596.7U Active CN219653726U (en) | 2023-04-17 | 2023-04-17 | Prefabricated core of assembled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219653726U (en) |
-
2023
- 2023-04-17 CN CN202320849596.7U patent/CN219653726U/en active Active
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