CN218479205U - Exempt from integral piping lane of coincide assembly and piping lane roof of support - Google Patents
Exempt from integral piping lane of coincide assembly and piping lane roof of support Download PDFInfo
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- CN218479205U CN218479205U CN202222211998.2U CN202222211998U CN218479205U CN 218479205 U CN218479205 U CN 218479205U CN 202222211998 U CN202222211998 U CN 202222211998U CN 218479205 U CN218479205 U CN 218479205U
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Abstract
The utility model relates to an exempt from integral piping lane of coincide assembly and piping lane roof of support. The pipe gallery comprises splayed precast slabs and prefabricated double-sided superposed walls, wherein the splayed precast slabs and the prefabricated double-sided superposed walls are enclosed with the concrete bottom plate and poured to form the pipe gallery; the pipe gallery top plate is a splayed prefabricated plate, the splayed prefabricated plate comprises a flat plate and flanges on two sides of the flat plate, reinforcing steel bars extending outwards are arranged on two sides of the flat plate, a reinforcing steel bar truss is arranged on the flat plate, and a rigidity increasing module is arranged on the reinforcing steel bar truss. The utility model discloses the advantage does, through the space effect of roof shape, set up steel bar truss to configuration rigidity reinforcing module on steel bar truss makes the splayed prefabricated plate have sufficient rigidity, can bear the weight of pouring concrete behind the roof and construction load, need not to set up the scene and supports, can show to accelerate construction speed and reduce site operation cost.
Description
Technical Field
The utility model relates to a building technical field, concretely relates to exempt from integral piping lane of coincide assembly and piping lane roof of support.
Background
The urban comprehensive pipe gallery is characterized in that a tunnel space is built underground in a city, various engineering pipelines such as electric power, communication, heating power, water supply and the like are integrated, and the urban comprehensive pipe gallery is an important infrastructure and a 'life line' for guaranteeing urban operation. Along with the continuous increase of pipe gallery construction scale, utility tunnel multiple structural style and construction method have appeared. For example, the cast-in-place mode is slip-form cast-in-place mode, and the prefabricated structure mode comprises a fully prefabricated assembled pipe gallery, a semi-prefabricated assembled pipe gallery and a prefabricated overlapped assembled integral pipe gallery. The integral piping lane of current coincide assembly still needs to set up a large amount of supports in order to bearing coincide roof in inside, causes the on-the-spot process complicated, and the measure is expensive and influence the construction progress.
CN 108708394A mentions a full-section support-free superposed assembly type comprehensive pipe rack structure and a construction method, and the patent is a method for erecting a template on the site of a chamfer at which the side wall of the pipe rack is connected with the top plate, so that the advantages of prefabricated components are not fully exerted, the production efficiency is low, the material consumption is high, the integrity is poor, and the safety is not sufficient.
Disclosure of Invention
The utility model aims to provide a: the utility model provides an exempt from integral piping lane of coincide assembly and piping lane roof of support, can show the construction speed that promotes the piping lane, reduce whole cost.
The utility model discloses a following technical scheme realizes: a support-free superposed and assembled integral pipe gallery comprises a splayed precast slab 1 and a prefabricated double-faced superposed wall 2, wherein the splayed precast slab 1 and the prefabricated double-faced superposed wall 2 are enclosed with a concrete bottom plate and poured to form a pipe gallery;
the main structure of the splayed precast slab 1 comprises a flat plate 1-1, a left flange 1-2 positioned on the left side of the flat plate 1-1 and a right flange 1-3 positioned on the right side of the flat plate 1-1; the right flange 1-3 and the left flange 1-2 are in mirror symmetry; the intersection angle of the left flange 1-2 and the flat plate 1-1 is more than 90 degrees;
criss-cross steel bar meshes 1-7 are embedded in the splayed prefabricated slab 1, the left side and the right side of each steel bar mesh 1-7 extend outwards to form longitudinal steel bars 1-5, and the longitudinal steel bars 1-5 extend out of the vertical projection range of the splayed prefabricated slab 1;
a plurality of steel bar trusses 1-4 are arranged on the top surface of the flat plate 1-1 at intervals, and the extending direction of the steel bar trusses 1-4 is perpendicular to the axial direction of the pipe gallery;
the middle section of the chord rib on the steel bar truss 1-4 is provided with a rigidity increasing module 1-6;
the prefabricated double-sided superposed wall 2 comprises a left prefabricated reinforced concrete slab 2-1 and a right prefabricated reinforced concrete slab 2-2, wherein the left prefabricated reinforced concrete slab 2-1 and the right prefabricated reinforced concrete slab 2-2 are connected through a connecting piece; the prefabricated reinforced concrete slab lapped with the splayed prefabricated slab 1 in the left prefabricated reinforced concrete slab 2-1 or/and the right prefabricated reinforced concrete slab 2-2 is provided with a region without concrete pouring at the upper part, and reinforcing steel bars in the region are exposed outside.
The support-free superposed assembly integral type pipe gallery top plate is a splayed prefabricated plate 1, and the main structure of the splayed prefabricated plate 1 comprises a flat plate 1-1, a left flange 1-2 positioned on the left side of the flat plate 1-1 and a right flange 1-3 positioned on the right side of the flat plate 1-1; the right flange 1-3 and the left flange 1-2 are in mirror symmetry; the intersection angle of the left flange 1-2 and the flat plate 1-1 is more than 90 degrees;
criss-cross steel bar meshes 1-7 are embedded in the splayed prefabricated slab 1, longitudinal steel bars 1-5 extending outwards are arranged on the left side and the right side of the steel bar meshes 1-7, and the longitudinal steel bars 1-5 extend out of the vertical projection range of the splayed prefabricated slab 1;
a plurality of steel bar trusses 1-4 are arranged on the top surface of the flat plate 1-1 at intervals, and the extending direction of the steel bar trusses 1-4 is perpendicular to the axial direction of the pipe gallery;
the middle sections of the chord tendons on the steel bar trusses 1-4 are provided with rigidity increasing modules 1-6.
Compare prior art, the beneficial effects of the utility model are that:
1. by arranging the steel bar truss and configuring the rigidity reinforcing module on the steel bar truss, the splayed precast slab has enough rigidity, can support the weight of post-cast concrete of a top plate and construction load, can remarkably accelerate the construction speed without arranging a support, and remarkably reduces the site construction cost.
2. According to the prefabricated structure, the left flange and the right flange and the steel bar truss form an arch space effect, the span bending moment of the top plate is obviously reduced, the thickness of the prefabricated layer of the top plate structure is reduced, and the prefabrication cost is reduced.
3. The left and right side flanges of the splayed prefabricated slab can be used as armpits of the top plate and the side wall of the pipe gallery, and the integral rigidity of the pipe gallery is improved.
Drawings
FIG. 1 is a schematic structural view of the core position of the present invention;
FIG. 2 is a schematic view of the joint of FIG. 1;
FIG. 3 is a side view of the splayed prefabricated slab;
FIG. 4 is a perspective view of the splayed prefabricated slab;
FIG. 5 is an effect diagram of the present invention after installation in step 1;
FIG. 6 is an effect diagram of the present invention after step 2;
fig. 7 is an effect diagram of the utility model after installation in step 3;
fig. 8 is an effect diagram of the utility model after step 4 is installed.
Description of the reference symbols: the prefabricated wall comprises a splayed prefabricated plate 1, a flat plate 1-1, a left flange 1-2, a right flange 1-3, a steel bar truss 1-4, longitudinal steel bars 1-5, a rigidity reinforcing module 1-6, a steel bar net 1-7, a prefabricated double-faced superposed wall 2, cast-in-place concrete in a wall 3, cast-in-place concrete on a top plate 4, limiting section steel 5 and bolts 6.
Detailed Description
The invention is explained in detail below with reference to the accompanying drawings:
as shown in fig. 1-4: a support-free superposed and assembled integral pipe gallery comprises a splayed precast slab 1 and a prefabricated double-faced superposed wall 2, wherein the splayed precast slab 1 and the prefabricated double-faced superposed wall 2 are enclosed with a concrete bottom plate and poured to form a pipe gallery;
the main structure of the splayed precast slab 1 comprises a flat plate 1-1, a left flange 1-2 positioned on the left side of the flat plate 1-1 and a right flange 1-3 positioned on the right side of the flat plate 1-1; the right flange 1-3 and the left flange 1-2 are in mirror symmetry; the intersection angle of the left flange 1-2 and the flat plate 1-1 is more than 90 degrees;
criss-cross steel bar meshes 1-7 are embedded in the splayed precast slab 1, the left side and the right side of each steel bar mesh 1-7 extend outwards to form extension steel bars 1-5, and the extension steel bars 1-5 extend out of the vertical projection range of the splayed precast slab 1;
a plurality of steel bar trusses 1-4 are arranged on the top surface of the flat plate 1-1 at intervals, and the extending direction of the steel bar trusses 1-4 is perpendicular to the axial direction of the pipe gallery;
the middle section of the chord rib on the steel bar truss 1-4 is provided with a rigidity increasing module 1-6;
the prefabricated double-sided superposed wall 2 comprises a left prefabricated reinforced concrete slab 2-1 and a right prefabricated reinforced concrete slab 2-2, wherein the left prefabricated reinforced concrete slab 2-1 and the right prefabricated reinforced concrete slab 2-2 are connected through a connecting piece; the prefabricated reinforced concrete slab lapped with the splayed prefabricated slab 1 in the left prefabricated reinforced concrete slab 2-1 or/and the right prefabricated reinforced concrete slab 2-2 is provided with a region without concrete pouring at the upper part, and reinforcing steel bars in the region are exposed outside.
The bottom ends of the left flange 1-2 and the right flange 1-3 are horizontal chamfers. Thus, the stability of the splayed precast slab during installation can be improved.
The rigidity increasing modules 1-6 are steel bars, steel pipes, section steel or steel plates. The main purpose is to increase the strength of the splayed prefabricated panel 1.
In addition, the top surfaces of the left side flange, the right side flange and the flat plate are rough surfaces, so that concrete poured in the later period is effectively combined with the precast slab.
It still includes spacing shaped steel 5, spacing shaped steel 5 divide into fixed part 5-1 and spacing portion 5-2, fixed part 5-1 is fixed in the side of prefabricated two-sided coincide wall 2 through bolt 6, the contained angle of spacing portion 5-2 and fixed part 5-1 equals the contained angle of prefabricated two-sided coincide wall 2 and left side flange 1-2 for spacing portion 5-2 supports left side flange 1-2 or right side flange 1-3.
And a bolt sleeve for installing the limiting section steel 5 is embedded in the prefabricated double-sided superposed wall 2.
As shown in fig. 1-4: the roof is used with other walls, namely a support-free superposed assembly integral pipe gallery roof which is a splayed prefabricated plate 1, wherein the major structure of the splayed prefabricated plate 1 comprises a flat plate 1-1, a left flange 1-2 positioned on the left side of the flat plate 1-1 and a right flange 1-3 positioned on the right side of the flat plate 1-1; the right flange 1-3 and the left flange 1-2 are in mirror symmetry; the intersection angle of the left flange 1-2 and the flat plate 1-1 is more than 90 degrees;
criss-cross steel bar meshes 1-7 are embedded in the splayed prefabricated slab 1, extending steel bars 1-5 extending outwards are arranged on the left side and the right side of the steel bar meshes 1-7, and the extending steel bars 1-5 extend out of the vertical projection range of the splayed prefabricated slab 1;
a plurality of steel bar trusses 1-4 are arranged on the top surface of the flat plate 1-1 at intervals, and the extending direction of the steel bar trusses 1-4 is perpendicular to the axial direction of the pipe gallery;
the middle sections of the chord tendons on the steel bar trusses 1-4 are provided with rigidity increasing modules 1-6.
The bottom ends of the left flange 1-2 and the right flange 1-3 are horizontal chamfers.
The rigidity increasing modules 1-6 are steel bars, steel pipes, section steel or steel plates.
The installation method of the support-free overlapping assembly integral pipe gallery comprises the following steps:
step 1: pouring a concrete bottom plate, and installing the prefabricated double-faced superposed wall 2 in an array manner; wherein, the prefabricated double-sided superposed wall 2 is provided with a limit profile steel 5;
step 2: the splayed prefabricated slab 1 is erected between two prefabricated double-faced superposed walls 2, and the splayed prefabricated slab 1 is limited by the limiting section steel 5 to ensure that the splayed prefabricated slab does not fall off;
and step 3: pouring concrete into the prefabricated double-sided superposed wall 2 to form cast-in-place concrete 3 in the wall, wherein the top of the cast-in-place concrete 3 in the wall is flush with the top surface of the flat plate 1-1 of the splayed prefabricated plate 1;
and 4, step 4: and pouring top plate cast-in-place concrete 4 on the top surface of the flat plate 1-1.
Finally, it should be noted that the above mentioned is only a preferred embodiment of the present invention, and the present invention is not limited to the above mentioned, and although the present invention has been described in detail with reference to the above mentioned embodiments, it will be obvious to those skilled in the art that the technical solutions described in the above mentioned embodiments can be modified, or some technical features can be equally replaced, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an exempt from integral piping lane of coincide assembly of support which characterized in that: the prefabricated double-faced composite wall comprises a splayed prefabricated slab (1) and a prefabricated double-faced superposed wall (2), wherein the splayed prefabricated slab (1) and the prefabricated double-faced superposed wall (2) are enclosed with a concrete bottom plate and poured to form a pipe gallery;
the main structure of the splayed precast slab (1) comprises a flat plate (1-1), a left flange (1-2) positioned on the left side of the flat plate (1-1) and a right flange (1-3) positioned on the right side of the flat plate (1-1); the right flange (1-3) and the left flange (1-2) are in mirror symmetry; the intersection angle of the left flange (1-2) and the flat plate (1-1) is more than 90 degrees;
criss-cross steel bar meshes (1-7) are embedded in the splayed precast slab (1), the left side and the right side of each steel bar mesh (1-7) extend outwards to form extension steel bars (1-5), and the extension steel bars (1-5) extend out of the vertical projection range of the splayed precast slab (1);
a plurality of steel bar trusses (1-4) are arranged on the top surface of the flat plate (1-1) at intervals, and the extending direction of the steel bar trusses (1-4) is perpendicular to the axial direction of the pipe gallery;
the middle section of a chord rib on the steel bar truss (1-4) is provided with a rigidity increasing module (1-6);
the prefabricated double-sided superposed wall (2) comprises a left prefabricated reinforced concrete slab (2-1) and a right prefabricated reinforced concrete slab (2-2), wherein the left prefabricated reinforced concrete slab (2-1) is connected with the right prefabricated reinforced concrete slab (2-2) through a connecting piece; the prefabricated reinforced concrete slab lapped with the splayed prefabricated slab (1) in the left prefabricated reinforced concrete slab (2-1) or/and the right prefabricated reinforced concrete slab (2-2) is provided with a region without concrete pouring at the upper part, and reinforcing steel bars in the region are exposed outside.
2. The free-standing, congruent, assembled, monolithic pipe gallery of claim 1, wherein: the bottom ends of the left side flange (1-2) and the right side flange (1-3) are horizontal cut angles.
3. The support-free, overlapping, assembled, monolithic pipe gallery of claim 1, further comprising: the rigidity increasing modules (1-6) are steel bars, steel pipes, section steel or steel plates.
4. The support-free, overlapping, assembled, monolithic pipe gallery of claim 1, further comprising: it still includes spacing shaped steel (5), spacing shaped steel (5) are divided into fixed part (5-1) and spacing portion (5-2), fixed part (5-1) are fixed in the side of prefabricated two-sided coincide wall (2) through bolt (6), the contained angle of spacing portion (5-2) and fixed part (5-1) equals the contained angle of prefabricated two-sided coincide wall (2) and left side flange (1-2) for spacing portion (5-2) support left side flange (1-2) or right side flange (1-3).
5. The support-free, overlapping, assembled, monolithic pipe gallery of claim 4, further comprising: and a bolt sleeve for mounting the limiting section steel (5) is pre-embedded in the prefabricated double-sided superposed wall (2).
6. The utility model provides an exempt from integral piping lane roof of coincide assembly of support which characterized in that: the prefabricated slab is a splayed prefabricated slab (1), and the main body structure of the splayed prefabricated slab (1) comprises a flat plate (1-1), a left flange (1-2) positioned on the left side of the flat plate (1-1) and a right flange (1-3) positioned on the right side of the flat plate (1-1); the right flange (1-3) and the left flange (1-2) are in mirror symmetry; the intersection angle of the left flange (1-2) and the flat plate (1-1) is more than 90 degrees;
criss-cross steel bar meshes (1-7) are embedded in the splayed precast slabs (1), extending steel bars (1-5) extending outwards are arranged on the left and right sides of the steel bar meshes (1-7), and the extending steel bars (1-5) extend out of the vertical projection range of the splayed precast slabs (1);
a plurality of steel bar trusses (1-4) are arranged on the top surface of the flat plate (1-1) at intervals, and the extending direction of the steel bar trusses (1-4) is perpendicular to the axial direction of the pipe gallery;
the middle section of the chord rib on the steel bar truss (1-4) is provided with a rigidity increasing module (1-6).
7. The support-free, stack-assembled, monolithic pipe gallery ceiling of claim 6, further comprising: the bottom ends of the left side flange (1-2) and the right side flange (1-3) are horizontal cut angles.
8. The free-standing, congruent, assembled, monolithic pipe gallery top plate of claim 6, further comprising: the rigidity increasing modules (1-6) are steel bars, steel pipes, section steel or steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222211998.2U CN218479205U (en) | 2022-08-22 | 2022-08-22 | Exempt from integral piping lane of coincide assembly and piping lane roof of support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222211998.2U CN218479205U (en) | 2022-08-22 | 2022-08-22 | Exempt from integral piping lane of coincide assembly and piping lane roof of support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218479205U true CN218479205U (en) | 2023-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222211998.2U Active CN218479205U (en) | 2022-08-22 | 2022-08-22 | Exempt from integral piping lane of coincide assembly and piping lane roof of support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218479205U (en) |
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- 2022-08-22 CN CN202222211998.2U patent/CN218479205U/en active Active
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