CN216075990U - Connection structure of prefabricated staircase and main part that need not secondary and pour - Google Patents
Connection structure of prefabricated staircase and main part that need not secondary and pour Download PDFInfo
- Publication number
- CN216075990U CN216075990U CN202120537448.2U CN202120537448U CN216075990U CN 216075990 U CN216075990 U CN 216075990U CN 202120537448 U CN202120537448 U CN 202120537448U CN 216075990 U CN216075990 U CN 216075990U
- Authority
- CN
- China
- Prior art keywords
- shaped anchor
- anchor
- shaped
- plate
- ladder beam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to a connecting structure of a prefabricated staircase and a main body without secondary pouring, which comprises a reinforced concrete cast-in-place shear wall, a first staircase beam, a second staircase beam and a staircase step section, wherein a first end anchor plate, a second end anchor plate and a third end anchor plate are pre-embedded in the reinforced concrete cast-in-place shear wall; the third L-shaped anchor and the fourth L-shaped anchor are respectively welded with the first T-shaped anchor and the second T-shaped anchor so as to connect the stair step section with the second ladder beam; and the fifth, the sixth and the seventh L-shaped anchors are respectively welded with the first, the second and the third end anchor plates. The utility model can effectively improve the integral stability, and has convenient construction and low cost.
Description
Technical Field
The utility model relates to a connecting structure of a prefabricated staircase and a main body, in particular to a connecting structure of the prefabricated staircase and the main body without secondary pouring, belonging to the innovative technology of the connecting structure of the prefabricated staircase and the main body without secondary pouring.
Background
With the vigorous popularization of green buildings, fabricated buildings become an indispensable part of the current building industry. The traditional fabricated stairway still needs to be subjected to local secondary pouring after being assembled on site, the process is complicated, the construction period is long, the lateral direction of the prefabricated stairway and the tensile strength of a shear wall are weak, and the secondary pouring can cause certain pollution to the environment.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to provide a connection structure of a prefabricated staircase and a main body without secondary casting in consideration of the above problems. The utility model can effectively improve the integral stability, and has convenient construction and low cost.
The technical scheme of the utility model is as follows: the connecting structure of the prefabricated staircase and the main body without secondary pouring comprises a reinforced concrete cast-in-place shear wall, a first staircase beam, a second staircase beam and a staircase step section, wherein a first end anchor plate, a second end anchor plate and a third end anchor plate are pre-embedded in the reinforced concrete cast-in-place shear wall; the third L-shaped anchor and the fourth L-shaped anchor are respectively welded with the first T-shaped anchor and the second T-shaped anchor so as to connect the stair step section with the second ladder beam; and welding a fifth L-shaped anchor, a sixth L-shaped anchor and a seventh L-shaped anchor with the first end anchor plate, the second end anchor plate and the third end anchor plate respectively to connect the stair tread section with the reinforced concrete cast-in-situ shear wall.
According to the utility model, through on-site dry connection, secondary pouring is not needed, the connection strength of the pre-buried L-shaped anchor at the stair step section is higher, the connection strength of the pre-buried end anchor plate of the reinforced concrete cast-in-place shear wall is higher, the welding strength between the L-shaped anchor and the end anchor plate is higher, the overall stability can be effectively improved, the construction is convenient, and the cost is low. The connecting structure of the prefabricated staircase and the main body is ingenious in design, convenient and practical and does not need secondary pouring.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection of the components of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is a schematic view of the connection of the steel plate and the end plate of the present invention;
FIG. 5 is a schematic view of the connection between the bent rib and the L-shaped steel of the present invention;
FIG. 6 is a schematic view of the connection between the bent rib and the T-shaped steel according to the present invention;
the reinforced concrete cast-in-place shear wall comprises a reinforced concrete cast-in-place shear wall 1, a first ladder beam 2, a second ladder beam 3, a stair step section 4, a first L-shaped anchor 5, a second L-shaped anchor 6, a third L-shaped anchor 7, a fourth L-shaped anchor 8, a first T-shaped anchor 9, a second T-shaped anchor 10, a third T-shaped anchor 11, a fourth T-shaped anchor 12, a fifth L-shaped anchor 13, a sixth L-shaped anchor 14, a seventh L-shaped anchor 15, a first end anchor 16, a second end anchor 17, a third end anchor 18, a first end plate 19, a second end plate 20, a first steel bar 21, a second steel bar 22, a steel plate 23, an L-shaped steel 24, a first bent bar 25, a second bent bar 26, a T-shaped steel 27, a third bent bar 28 and a fourth bent bar 29.
Detailed Description
Example (b):
the structure schematic diagram of the utility model is shown in fig. 1, the connecting structure of the prefabricated staircase and the main body without secondary pouring comprises a reinforced concrete cast-in-place shear wall 1, a first ladder beam 2, a second ladder beam 3 and a staircase tread section 4, the reinforced concrete cast-in-situ shear wall 1 is pre-buried with a first end anchor plate 16, a second end anchor plate 17 and a third end anchor plate 18, a first L-shaped anchor 5 and a second L-shaped anchor 6 are pre-buried in a first ladder beam 2, a third L-shaped anchor 7 and a fourth L-shaped anchor 8 are pre-buried in a second ladder beam 3, a first T-shaped anchor 9, a second T-shaped anchor 10, a third T-shaped anchor 11, a fourth T-shaped anchor 12, a fifth L-shaped anchor 13, a sixth L-shaped anchor 14 and a seventh L-shaped anchor 15 are pre-buried in a stair step section 4, and the first L-shaped anchor 5 and the second L-shaped anchor 6 are respectively welded with the third T-shaped anchor 11 and the fourth T-shaped anchor 12 to enable the stair step section 4 to be connected with the first ladder beam 2; the welding of the third L-shaped anchor 7 and the fourth L-shaped anchor 8 with the first T-shaped anchor 9 and the second T-shaped anchor 10 respectively enables the stair step 4 and the second ladder beam 3 to be connected together; and welding a fifth L-shaped anchor 13, a sixth L-shaped anchor 14 and a seventh L-shaped anchor 15 with a first end anchor plate 16, a second end anchor plate 17 and a third end anchor plate 18 respectively to connect the stair tread section 4 with the reinforced concrete cast-in-situ shear wall 1.
In this embodiment, the first end anchor plate 16, the second end anchor plate 17, and the third end anchor plate 18 include a first end plate 19, a second end plate 20, a first reinforcing bar 21, a second reinforcing bar 22, and a steel plate 23; wherein, the both ends of first reinforcing bar 21 carry out welded connection with first end plate 19, steel sheet 23 respectively, and the both ends of second reinforcing bar 22 carry out welded connection with second end plate 20, steel sheet 23 respectively.
In this embodiment, the first L-shaped anchor 5, the second L-shaped anchor 6, the third L-shaped anchor 7, the fourth L-shaped anchor 8, the fifth L-shaped anchor 13, the sixth L-shaped anchor 14, and the seventh L-shaped anchor 15 include an L-shaped steel 24, a first curved rib 25, and a second curved rib 26, wherein the first curved rib 25 and the second curved rib 26 are respectively welded to an inner sidewall of the L-shaped steel 24; the first T-shaped anchor 9, the second T-shaped anchor 10, the third T-shaped anchor 11 and the fourth T-shaped anchor 12 comprise a T-shaped steel 27, a third bent rib 28 and a fourth bent rib 29, wherein the third bent rib 28 and the fourth bent rib 29 are respectively welded on the inner side wall of the T-shaped steel 27.
In this embodiment, the connection of the stair tread 4, the first ladder beam 2, the second ladder beam 3 and the reinforced concrete cast-in-situ shear wall 1 is in on-site assembling and welding.
In this embodiment, the number of steps of the stair step section 4 is n.
In this embodiment, the number of the anchor plates at the embedded end of the reinforced concrete cast-in-place shear wall 1 and the number of the L-shaped anchors embedded in the stair step sections 4 may be a plurality according to the stress condition, and the number of the L-shaped anchors is less than or equal to the number n of steps of the stair step sections 4.
In this embodiment, the number of the pre-embedded T-shaped anchors of the stair tread 4, the number of the pre-embedded L-shaped anchors of the first ladder beam 2, and the number of the pre-embedded L-shaped anchors of the second ladder beam 3 may be more than or equal to 2 according to the stress condition.
In this embodiment, there may be a plurality of end plates and bent ribs according to the stress condition.
In this embodiment, the first T-shaped anchor 9, the second T-shaped anchor 10, the third T-shaped anchor 11 and the fourth T-shaped anchor 12 have smaller areas than the first L-shaped anchor 5, the second L-shaped anchor 6, the third L-shaped anchor 7 and the fourth L-shaped anchor 8; the areas of the fifth L-shaped anchor 13, the sixth L-shaped anchor 14 and the seventh L-shaped anchor 15 are smaller than the areas of the first end anchor plate 16, the second end anchor plate 17 and the third end anchor plate 18.
In this embodiment, the first and second ladder beams 2 and 3 are respectively provided with a first gap (30) and a second gap 31, and the height of the gaps is the same as the thickness of the step plate of the stair tread 4.
Required gap of construction installation is reserved with first ladder roof beam 2, the 3 junctions of second ladder roof beam in above-mentioned stair step section 4.
The concrete construction process of the utility model is as follows:
in a prefabrication field, firstly, processing a first T-shaped anchor 9, a second T-shaped anchor 10, a third T-shaped anchor 11, a fourth T-shaped anchor 12, a fifth L-shaped anchor 13, a sixth L-shaped anchor 14 and a seventh L-shaped anchor 15, then carrying out template support on the stair tread section 4, placing the processed pre-buried L-shaped anchors and the T-shaped anchors at the correct positions in a template, and then carrying out concrete pouring and curing to the expected strength; similarly, a first end anchor plate 16, a second end anchor plate 17 and a third end anchor plate 18 are processed on a construction site, a first L-shaped anchor 5, a second L-shaped anchor 6, a third L-shaped anchor 7 and a fourth L-shaped anchor 8 are processed, then the processed end anchor plates and L-shaped anchors are placed in the reinforced concrete cast-in-place shear wall 1, the first ladder beam 2 and the second ladder beam 3 templates, and concrete is poured and cured; and finally, the factory prefabricated staircases are installed on the reinforced concrete cast-in-place shear wall and the stair beams in a welding mode, the prefabrication and installation processes are simple and easy to operate, the stair quality can be well controlled, dry installation is carried out in the whole process, and the construction period is shortened.
Claims (10)
1. A connecting structure of a prefabricated staircase and a main body without secondary pouring is characterized by comprising a reinforced concrete cast-in-place shear wall (1), a first ladder beam (2), a second ladder beam (3) and a stair tread section (4), wherein a first end anchor plate (16), a second end anchor plate (17) and a third end anchor plate (18) are pre-embedded in the reinforced concrete cast-in-place shear wall (1), a first L-shaped anchor (5) and a second L-shaped anchor (6) are pre-embedded in the first ladder beam (2), a third L-shaped anchor (7) and a fourth L-shaped anchor (8) are pre-embedded in the second ladder beam (3), a first T-shaped anchor (9), a second T-shaped anchor (10), a third T-shaped anchor (11), a fourth T-shaped anchor (12), a fifth L-shaped anchor (13), a sixth L-shaped anchor (14) and a seventh L-shaped anchor (15), the first L-shaped anchor (5), the second T-shaped anchor (10), the third T-shaped anchor (11), the fourth T-shaped anchor (12), the fifth L-shaped anchor (13), the sixth L-shaped anchor (14) and the seventh L-shaped anchor (15), The second L-shaped anchor (6) is respectively welded with a third T-shaped anchor (11) and a fourth T-shaped anchor (12) to connect the stair step section (4) and the first ladder beam (2) together; the third L-shaped anchor (7) and the fourth L-shaped anchor (8) are respectively welded with the first T-shaped anchor (9) and the second T-shaped anchor (10) to connect the stair step section (4) and the second ladder beam (3) together; and a fifth L-shaped anchor (13), a sixth L-shaped anchor (14) and a seventh L-shaped anchor (15) are respectively welded with a first end anchor plate (16), a second end anchor plate (17) and a third end anchor plate (18) to connect the stair tread (4) and the reinforced concrete cast-in-situ shear wall (1).
2. The prefabricated staircase and main body connecting structure without secondary casting according to claim 1, wherein the first end anchor plate (16), the second end anchor plate (17) and the third end anchor plate (18) comprise a first end plate (19), a second end plate (20), a first reinforcing steel bar (21), a second reinforcing steel bar (22) and a steel plate (23); the two ends of the first steel bar (21) are respectively welded with the first end plate (19) and the steel plate (23), and the two ends of the second steel bar (22) are respectively welded with the second end plate (20) and the steel plate (23).
3. The prefabricated staircase and main body connecting structure without secondary pouring according to claim 1, wherein the first L-shaped anchor (5), the second L-shaped anchor (6), the third L-shaped anchor (7), the fourth L-shaped anchor (8), the fifth L-shaped anchor (13), the sixth L-shaped anchor (14) and the seventh L-shaped anchor (15) comprise L-shaped steel (24), a first bent rib (25) and a second bent rib (26), wherein the first bent rib (25) and the second bent rib (26) are respectively welded on the inner side wall of the L-shaped steel (24); the first T-shaped anchor (9), the second T-shaped anchor (10), the third T-shaped anchor (11) and the fourth T-shaped anchor (12) comprise T-shaped steel (27), a third bent rib (28) and a fourth bent rib (29), wherein the third bent rib (28) and the fourth bent rib (29) are respectively welded on the inner side wall of the T-shaped steel (27).
4. The connecting structure of the prefabricated staircase and the main body without secondary pouring according to claim 1, characterized in that the connection of the stair tread sections (4) with the first ladder beam (2), the second ladder beam (3) and the reinforced concrete cast-in-situ shear wall (1) is a field assembly welding.
5. The connecting structure of the prefabricated staircase and the main body without secondary pouring according to claim 1, wherein the number of the stair tread sections (4) is n.
6. The connecting structure of the prefabricated staircase and the main body without secondary pouring according to claim 1, characterized in that a plurality of end anchor plates are embedded in the reinforced concrete cast-in-place shear wall (1), a plurality of L-shaped anchors are embedded in the staircase tread section (4), and the number of the L-shaped anchors is less than or equal to the tread number n of the staircase tread section (4).
7. The connecting structure of the prefabricated staircase and the main body without secondary pouring according to claim 1, wherein a plurality of T-shaped anchors are embedded in the staircase tread (4), and a plurality of L-shaped anchors are embedded in the first ladder beam (2) and the second ladder beam (3), and the number of the anchors is more than or equal to 2.
8. The connecting structure of the prefabricated staircase and the main body without secondary pouring according to claim 2, wherein a plurality of end plates and bent ribs are provided.
9. The prefabricated staircase and main body connecting structure without secondary casting of claim 1, wherein said first T-shaped anchor (9), said second T-shaped anchor (10), said third T-shaped anchor (11) and said fourth T-shaped anchor (12) are smaller than said first L-shaped anchor (5), said second L-shaped anchor (6), said third L-shaped anchor (7) and said fourth L-shaped anchor (8); the fifth L-shaped anchor (13), the sixth L-shaped anchor (14) and the seventh L-shaped anchor (15) are smaller in area than the first end anchor plate (16), the second end anchor plate (17) and the third end anchor plate (18).
10. The connecting structure of the prefabricated staircase and the main body without secondary pouring according to any of the claims 1 to 9, characterized in that the first and the second ladder beams (2, 3) are respectively provided with a first gap (30) and a second gap (31), and the height of the gaps is the same as the thickness of the step plate of the staircase tread (4); required gaps for construction and installation are reserved at the joints of the stair tread sections (4) and the first ladder beam (2) and the second ladder beam (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120537448.2U CN216075990U (en) | 2021-03-16 | 2021-03-16 | Connection structure of prefabricated staircase and main part that need not secondary and pour |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120537448.2U CN216075990U (en) | 2021-03-16 | 2021-03-16 | Connection structure of prefabricated staircase and main part that need not secondary and pour |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216075990U true CN216075990U (en) | 2022-03-18 |
Family
ID=80634782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120537448.2U Active CN216075990U (en) | 2021-03-16 | 2021-03-16 | Connection structure of prefabricated staircase and main part that need not secondary and pour |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216075990U (en) |
-
2021
- 2021-03-16 CN CN202120537448.2U patent/CN216075990U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110792164B (en) | Transverse assembling device and method for assembled shear wall | |
| CN111424849A (en) | Prefabricated reinforced concrete shear wall convenient to install and construction method | |
| CN110670722A (en) | Implementation method of beam-column connecting node of fabricated building | |
| CN111441511A (en) | Permanent template and method for pouring shear wall by adopting permanent template | |
| CN114508175A (en) | Connecting joint and connecting method for assembled reinforced concrete prefabricated column and beam | |
| CN109811642B (en) | Assembled prefabricated assembled bent cap structure and construction method thereof | |
| CN112502714A (en) | Assembled shaft barrel structure and design and construction method | |
| CN110512730B (en) | Assembled concrete primary and secondary roof beam connection structure | |
| CN112681511B (en) | Reinforced concrete structure construction method using section steel to replace part of reinforcing steel bars | |
| CN216075990U (en) | Connection structure of prefabricated staircase and main part that need not secondary and pour | |
| CN218757587U (en) | Prefabricated assembled reinforced concrete retaining wall | |
| CN217204673U (en) | Connection node of prefabricated reinforced concrete column and beam | |
| CN213710154U (en) | Steel rib concrete prefabricated staircase | |
| CN106032705A (en) | Integrated casting molding construction method of reinforced concrete floor system | |
| CN113374171B (en) | Recycled block concrete prefabricated assembled ring beam structure and construction method thereof | |
| CN212053436U (en) | Strenghthened type precast concrete wallboard and connection structure with from structure of taking one's place | |
| CN209798508U (en) | Assembled prefabricated assembled bent cap structure | |
| CN210288825U (en) | Assembled and cast-in-situ combined beam plate structure | |
| CN113152810A (en) | Light steel building bearing type superposed stair and construction method | |
| CN217175198U (en) | Connecting structure of steel bar truss floor bearing plate and reinforced concrete wall | |
| CN112030728A (en) | Prefabricated bridge pier connecting system of assembled beam bridge and construction method of prefabricated bridge pier connecting system | |
| CN213952664U (en) | Reinforced concrete prefabricated slab with bent anchor ends and additional steel bar connection | |
| CN216810540U (en) | Embedded lantern ring rib outlet structure of assembled composite floor slab | |
| CN216108618U (en) | Structure system of prefabricated reinforced concrete frame column of underground station | |
| CN219774140U (en) | Urban underpass spliced tunnel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |