CN215406639U - Prefabricated steel plate structure of post-cast strip pretreatment for advance construction of top plate backfill - Google Patents
Prefabricated steel plate structure of post-cast strip pretreatment for advance construction of top plate backfill Download PDFInfo
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- CN215406639U CN215406639U CN202121709612.XU CN202121709612U CN215406639U CN 215406639 U CN215406639 U CN 215406639U CN 202121709612 U CN202121709612 U CN 202121709612U CN 215406639 U CN215406639 U CN 215406639U
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Abstract
The utility model discloses a prefabricated steel plate structure for post-pouring belt pretreatment for advanced construction of top plate backfill, which comprises a fixed steel plate, a pouring steel pipe and a backfill soil layer; the fixed steel plate is arranged at the top of the post-cast strip; concrete floor slabs are arranged at the tops of two sides of the post-cast strip; the bottoms of the two sides of the fixed steel plate are connected with the concrete floor through the adhesive layer 6; the prefabricated steel plate structure pretreated by the post-cast strip for the advanced construction of the top plate backfill does not need to be independently provided with outdoor square construction time in the construction process, the outdoor square construction and the tower main body construction are synchronously carried out, the house selling and handing over time of a unit is built in advance, the construction period is shortened, the project department management cost is reduced, and a large amount of cost is saved.
Description
Technical Field
The utility model relates to the technical field of building energy conservation, in particular to a prefabricated steel plate structure with a post-cast strip for advanced construction of top plate backfill.
Background
The post-cast strip is a concrete strip reserved at the corresponding position of a foundation slab, a wall and a beam according to the design or construction specification requirement in order to prevent harmful cracks possibly generated by uneven self shrinkage or uneven settlement of a cast-in-place reinforced concrete structure in the building construction.
In the prior art, post-cast strip construction and subsequent operations such as waterproofing, greening, pipe network and the like are carried out after the tower is completely finished, so that the time period is long, and the requirements of building units for selling houses are not facilitated.
Disclosure of Invention
The utility model aims to provide a welded steel plate for pretreating a post-cast strip of a basement roof backfill constructed in advance, and solves the problem.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a prefabricated steel plate structure for post-pouring belt pretreatment for top plate backfill construction in advance comprises a fixed steel plate 1, a pouring steel pipe 2 and a backfill soil layer 3; the fixed steel plate 1 is arranged at the top of the post-cast strip 4; concrete floors 5 are arranged at the tops of two sides of the post-cast strip 4; the bottoms of the two sides of the fixed steel plate 1 are connected with a concrete floor 5 through a binder layer 6;
a pouring hole 7 is formed in the center of the fixed steel plate 1; a pouring steel pipe 2 is fixedly arranged on the pouring hole 7;
the upper surface of the fixed steel plate 1 is provided with a waterproof coil layer 8; a first waterproof protective layer 9 is arranged on the top of the waterproof roll material layer 8;
a backfill soil layer 3 is arranged at the top of the first waterproof protective layer 9;
and a steel pipe cover plate 10 is arranged at the top of the pouring steel pipe 2.
Further, the width of the connection between the fixed steel plate 1 and the concrete floor 5 is not less than 500 mm.
Further, the diameter of the pouring hole 7 is 200 mm.
Further, the concrete floor 5 is provided as a self-compacting fine stone concrete slab.
Further, a second waterproof protective layer 11 is arranged on the outer surface of the pouring steel pipe 2.
Further, the thickness of the fixed steel plate 1 is not less than 10 mm.
Further, the first waterproof protective layer 9 and the second waterproof protective layer 11 are made of extruded polystyrene boards.
Further, the thickness of the first waterproof protective layer 9 is 50 mm.
Compared with the prior art, the utility model has at least one of the following beneficial effects:
by using the prefabricated steel plate structure pretreated by the post-cast strip for advanced construction of the top plate backfill, which is disclosed by the utility model, the construction time of an outdoor square is not required to be independently set in the construction process, the outdoor square construction and the construction of a tower main body are synchronously carried out, the house selling and delivering time of a unit is advanced, the construction period is shortened, the management cost of a project department is reduced, and a large amount of cost is saved.
Drawings
Fig. 1 is a schematic cross-sectional structure of the present invention.
In the figure:
fixing a steel plate 1; pouring a steel pipe 2; a backfill soil layer 3; post-cast strip 4; a concrete floor 5; an adhesive layer 6; pouring holes 7; a waterproof roll layer 8; a first waterproof protective layer 9; a steel pipe cover plate 10.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in the figure:
example 1:
a prefabricated steel plate structure for post-pouring belt pretreatment for top plate backfill construction in advance comprises a fixed steel plate 1, a pouring steel pipe 2 and a backfill soil layer 3; the fixed steel plate 1 is arranged at the top of the post-cast strip 4; concrete floors 5 are arranged at the tops of two sides of the post-cast strip 4; the bottoms of the two sides of the fixed steel plate 1 are connected with a concrete floor 5 through a binder layer 6;
a pouring hole 7 is formed in the center of the fixed steel plate 1; a pouring steel pipe 2 is fixedly arranged on the pouring hole 7;
the upper surface of the fixed steel plate 1 is provided with a waterproof coil layer 8; a first waterproof protective layer 9 is arranged on the top of the waterproof roll material layer 8;
a backfill soil layer 3 is arranged at the top of the first waterproof protective layer 9;
and a steel pipe cover plate 10 is arranged at the top of the pouring steel pipe 2.
Example 2:
on the basis of example 1: the width of the fixed steel plate 1 and the concrete floor 5 is not less than 500 mm.
Example 3:
on the basis of examples 1-2: the diameter of the pouring hole 7 is 200 mm.
Example 4:
on the basis of examples 1 to 3: the concrete floor 5 is provided as a self-compacting fine stone concrete slab.
Example 5:
on the basis of examples 1 to 4: and a second waterproof protective layer 11 is arranged on the outer surface of the pouring steel pipe 2.
Example 6:
on the basis of examples 1 to 5: the thickness of the fixed steel plate 1 is not less than 10 mm.
Example 7:
on the basis of examples 1 to 6: the first waterproof protective layer 9 and the second waterproof protective layer 11 are made of extruded polystyrene boards.
Example 8:
on the basis of examples 1 to 7: the thickness of the first waterproof protective layer 9 is 50 mm.
In the construction process, a fixed steel plate 1 is arranged at the top of a settlement post-cast strip 4, the fixed steel plate 1 is placed in the middle of the top of the post-cast strip 4, the two sides of the fixed steel plate 1 are 500mm wider than the two sides of the post-cast strip, a hole is cut in the middle of the fixed steel plate 1 and used for welding a pouring steel pipe 2 with the diameter of 200mm, and the fixed steel plate 1 and a concrete floor 5 are fixed by a binder layer 6; after the fixed steel plate 1 is installed and fixed, a waterproof coil layer 8 and a first waterproof protective layer 9 are arranged above the fixed steel plate 1; after the work is finished, constructing a backfill soil layer 3; and after the tower is completely capped for 60 days, pouring C35 micro-expansion self-compaction fine stone concrete from the pouring steel pipe 2.
The prefabricated steel plate structure pretreated by the post-cast strip for the advanced construction of the top plate backfill does not need to be independently provided with outdoor square construction time in the construction process, the outdoor square construction and the tower main body construction are synchronously carried out, the house selling and handing over time of a unit is built in advance, the construction period is shortened, the project department management cost is reduced, and a large amount of cost is saved.
Reference throughout this specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the utility model to effect such feature, structure, or characteristic in connection with other embodiments.
Although the utility model has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (8)
1. The utility model provides a roof backfill soil is under construction in advance with prefabricated steel sheet structure of post-cast strip preliminary treatment which characterized in that: comprises a fixed steel plate (1), a pouring steel pipe (2) and a backfill soil layer (3); the fixed steel plate (1) is arranged at the top of the post-cast strip (4); concrete floors (5) are arranged at the tops of two sides of the post-cast strip (4); the bottoms of the two sides of the fixed steel plate (1) are connected with a concrete floor (5) through a binder layer (6);
a pouring hole (7) is formed in the center of the fixed steel plate (1); a pouring steel pipe (2) is fixedly arranged on the pouring hole (7);
a waterproof coil layer (8) is arranged on the upper surface of the fixed steel plate (1); a first waterproof protective layer (9) is arranged on the top of the waterproof roll material layer (8);
a backfill soil layer (3) is arranged on the top of the first waterproof protective layer (9);
and a steel pipe cover plate (10) is arranged at the top of the pouring steel pipe (2).
2. The prefabricated steel plate structure with the post-cast strip pretreatment for the early construction of the top plate backfill according to the claim 1, characterized in that: the width of the connection between the fixed steel plate (1) and the concrete floor (5) is not less than 500 mm.
3. The prefabricated steel plate structure with the post-cast strip pretreatment for the early construction of the top plate backfill according to the claim 1, characterized in that: the diameter of the pouring hole (7) is 200 mm.
4. The prefabricated steel plate structure with the post-cast strip pretreatment for the early construction of the top plate backfill according to the claim 1, characterized in that: the concrete floor (5) is a self-dense fine stone concrete slab.
5. The prefabricated steel plate structure with the post-cast strip pretreatment for the early construction of the top plate backfill according to the claim 1, characterized in that: and a second waterproof protective layer (11) is arranged on the outer surface of the pouring steel pipe (2).
6. The prefabricated steel plate structure with the post-cast strip pretreatment for the early construction of the top plate backfill according to the claim 1, characterized in that: the thickness of the fixed steel plate (1) is not less than 10 mm.
7. The prefabricated steel plate structure with the post-cast strip pretreatment for the early construction of the top plate backfill according to the claim 1, characterized in that: the first waterproof protective layer (9) and the second waterproof protective layer (11) are made of extruded polystyrene boards.
8. The prefabricated steel plate structure with the post-cast strip pretreatment for the early construction of the top plate backfill according to the claim 1, characterized in that: the thickness of the first waterproof protective layer (9) is 50 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121709612.XU CN215406639U (en) | 2021-07-26 | 2021-07-26 | Prefabricated steel plate structure of post-cast strip pretreatment for advance construction of top plate backfill |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121709612.XU CN215406639U (en) | 2021-07-26 | 2021-07-26 | Prefabricated steel plate structure of post-cast strip pretreatment for advance construction of top plate backfill |
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| CN215406639U true CN215406639U (en) | 2022-01-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115506404A (en) * | 2022-10-18 | 2022-12-23 | 中国二十二冶集团有限公司 | Post-construction method for underground structure top plate construction hole |
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2021
- 2021-07-26 CN CN202121709612.XU patent/CN215406639U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115506404A (en) * | 2022-10-18 | 2022-12-23 | 中国二十二冶集团有限公司 | Post-construction method for underground structure top plate construction hole |
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