CN220167334U - Assembled stair suitable for steel structure system - Google Patents
Assembled stair suitable for steel structure system Download PDFInfo
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- CN220167334U CN220167334U CN202321480987.2U CN202321480987U CN220167334U CN 220167334 U CN220167334 U CN 220167334U CN 202321480987 U CN202321480987 U CN 202321480987U CN 220167334 U CN220167334 U CN 220167334U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 75
- 239000010959 steel Substances 0.000 title claims abstract description 75
- 238000010276 construction Methods 0.000 claims abstract description 29
- 239000004567 concrete Substances 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 35
- 239000004570 mortar (masonry) Substances 0.000 claims description 18
- 238000003466 welding Methods 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 5
- 239000004793 Polystyrene Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 229920002223 polystyrene Polymers 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000035515 penetration Effects 0.000 claims 1
- 239000005871 repellent Substances 0.000 claims 1
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
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- Steps, Ramps, And Handrails (AREA)
Abstract
The utility model relates to an assembled stair suitable for a steel structure system, which comprises a concrete system, a steel structure system and a connecting system, wherein the concrete system comprises a prefabricated platform plate and a prefabricated stair, and the steel structure system comprises a steel column, a stair column, a floor beam, a platform beam and a supporting beam. Firstly, after the steel structure system is assembled, anchor bolts are arranged on floor beams, platform beams and supporting beams, two ends of a hoisted prefabricated staircase are fixed on the anchor bolts of the supporting beams, and three sides of a prefabricated platform plate are fixed on the anchor bolts of the floor beams or the platform beams; the waterproof structure is arranged on the prefabricated platform plate, so that the reliable waterproof requirement is realized. Compared with the prior art, the assembled stair node is simple to connect, convenient to construct, and safe and firm, all components are prefabricated in factories, so that the construction efficiency of the site can be greatly improved, meanwhile, the connection is reliable, the construction quality of a stair room can be effectively improved, and the assembled stair node is safe and firm.
Description
Technical Field
The utility model relates to the technical field of building structures, in particular to an assembled stair suitable for a steel structure system.
Background
At present, the common stairwell construction method in the common steel structure construction is generally a traditional cast-in-situ mode, the stairwell construction speed is low, the working procedure is complex, and the construction quality is difficult to ensure by adopting the traditional steel structure construction mode.
CN215331039U discloses a prefabricated staircase in steel construction building, belongs to steel construction technical field, including the building wall body, building wall body inner wall upper portion be equipped with a pair of be symmetrical distribution and with building wall body be the perpendicular last landing slab who pours of integration, building wall body inner wall upper portion be equipped with a pair of be symmetrical distribution and with building wall body be the perpendicular lower landing slab who pours of integration, lower landing slab and diagonal upward landing slab between all be equipped with prefabricated staircase, prefabricated staircase upper portion lower extreme and go up landing slab front portion lower extreme and all be equipped with the steel ladder beam, prefabricated staircase lower extreme and lower landing slab front portion lower extreme between all be equipped with the steel ladder beam down. However, in the steel structure building, the prefabricated stairway has many wet operations, template operation and supporting operation, and the construction process is complex and has low speed.
Therefore, it is necessary to provide an assembled stairway suitable for a steel structure system, so as to solve the above technical problems.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the assembled stair suitable for the steel structure system, wherein the steel columns and the floor beams are connected to form a main structure, the prefabricated stair and the prefabricated platform plate are installed after the stair columns, the floor beams, the platform beams and the supporting beams are connected to form a substructure, the node connection is simple, the construction is convenient, the construction efficiency of the site can be greatly improved, meanwhile, the concrete system and the steel structure system are reliably connected through the connecting system, the construction quality of a stairwell can be effectively improved, and the assembled stair is safe and firm.
The aim of the utility model can be achieved by the following technical scheme:
the utility model aims to provide an assembled stair suitable for a steel structure system, which comprises a concrete system and a steel structure system.
Further, the concrete system comprises a prefabricated staircase and a prefabricated platform plate; the steel structure system comprises steel columns, ladder columns, floor beams, platform beams and supporting beams; the steel columns and the floor beams are connected to form a main structure; the ladder columns, the floor beams, the platform beams and the supporting beams are connected to form a substructure; the prefabricated stairway is provided with prefabricated stairway holes which are used for connection; the support beam is provided with a third anchor bolt which is used for fixing the prefabricated staircase; the prefabricated staircase is fixed on the supporting beam through a third anchor bolt and a prefabricated staircase hole; the prefabricated platform plate is provided with prefabricated platform plate holes which are used for connection; the floor beam is provided with a first anchor bolt which is used for fixing the prefabricated platform plate; the platform beam is provided with a second anchor bolt which is used for fixing the prefabricated platform plate; the prefabricated platform plate is fixed on the floor beam through a first anchor bolt and a prefabricated platform plate hole; the prefabricated platform plate is fixed on the platform beam through a second anchor bolt and a prefabricated platform plate hole.
Further, the prefabricated stairway is prefabricated in a factory, can be provided with a facing, and is placed on a supporting beam on site.
Further, the prefabricated landing boards are factory prefabricated and are supported on site to rest on the floor beams and/or landing beams.
Further, a waterproof back ridge is arranged on the prefabricated platform plate and used for preventing outdoor water from penetrating into a room.
Further, the fabricated stairway further comprises a connection system for reliably connecting the concrete system and the steel structure system; the connecting system comprises a flexible caulking material, common mortar, a pressure-bearing gasket and a nut.
Further, the flexible caulking material is arranged in the gap between the prefabricated platform plate and the prefabricated stairwell so as to meet the requirement of the displacement index of the prefabricated stairwell.
Further, the flexible caulking material is used for the joint of the steel structure and the concrete, can be mortar or a glue material, has an unlimited form, can be suitable for the deformation of the structure, and has two functions for plugging the joint of the connecting area.
Further, the common mortar is poured into the holes of the prefabricated platform plates so that the prefabricated platform plates, the floor beams and the platform beams are reliably connected, and the common mortar can generate reliable bond force with the first anchor bolts and the second anchor bolts to ensure stable connection of the prefabricated platform plates and the steel structure system.
Further, the nut is arranged on the third anchor bolt and is used for limiting the up-and-down displacement of the prefabricated staircase; the pressure-bearing gasket is arranged on the third anchor bolt and is used for increasing the pressure surface of the nut; the common mortar is poured into the prefabricated stairway holes so as to ensure that the prefabricated stairway and the supporting beam form reliable connection.
Further, the connection system further comprises a flexible filler material; the flexible filling material is arranged in the gap between the prefabricated platform plate and the prefabricated stairwell, so that the plugging of the flexible caulking material is facilitated, and the flexible filling material has the deformable characteristic and can adapt to the displacement of the sliding stairwell.
Further, the flexible filling material is extruded polystyrene heat insulation board and other deformable materials.
Further, the connection system further comprises a leveling pad; the leveling gasket is arranged on the floor beam and the platform beam, and is mainly used for leveling the height difference of the floor beam and the platform beam.
Further, the supporting beam is also provided with a steel web plate for resisting torsion and other loads generated by the prefabricated stairs and the prefabricated platform boards.
Further, the ladder columns, the floor beams, the platform beams and the supporting beams are connected into a whole through bolts or welding to form a substructure for bearing loads corresponding to stairs.
Further, the steel columns and the floor beams are connected into a whole through bolts or welding to form a main structure for bearing corresponding loads.
Furthermore, all components in the steel structure system are prefabricated in a factory, are integrally connected in site through bolts or welding and the like, and do not have wet operation.
Compared with the prior art, the utility model has the following beneficial effects:
1. the assembled stairway suitable for the steel structure system provided by the utility model has the advantages that the main structure is formed by connecting the steel columns and the floor beams, and the prefabricated stairway and the prefabricated platform plate are installed after the substructure is formed by connecting the steel columns, the floor beams, the platform beams and the supporting beams, so that the node connection is simple, the construction is convenient, the construction efficiency on site can be greatly improved, meanwhile, the concrete system and the steel structure system are reliably connected through the connecting system, the construction quality of a stairwell can be effectively improved, and the assembled stairwell is safe and firm.
2. The conventional cast-in-situ stairway has more folded plates and poorer surface finishing effect, and all the components of the stairway are prefabricated in a factory, so that the construction quality of the stairway can be effectively improved, and the problems of pitting surface, hollowing and the like are avoided.
3. The conventional cast-in-situ stairwell has a large number of supports in the construction process, high template engineering difficulty and complex construction flow, and the assembled stairwell suitable for the steel structure system provided by the utility model has the advantages that all components are mold-free and support-free components, the site has no wet operation, the node connection is simple, the construction is convenient, and the site construction efficiency can be greatly improved.
4. The fabricated stair suitable for the steel structure system is simple, convenient to use, good in economic effect, safe, firm and wide in application.
Drawings
Fig. 1 is a plan view of an assembled stair according to an embodiment of the present disclosure.
FIG. 2 is a cross-sectional view taken along line 1-1 of FIG. 1.
Fig. 3 is a plan view of a steel structure system provided in an embodiment of the present disclosure.
Fig. 4 is a cross-sectional view of fig. 3, 2-2.
Fig. 5 is a schematic structural diagram of a connection system according to an embodiment of the present disclosure (for example, a position a in fig. 2).
Fig. 6 is a front view of a prefabricated staircase provided by an embodiment of the present technical solution.
Fig. 7 is a side view of a prefabricated staircase provided by an embodiment of the present solution.
Fig. 8 is a plan view of a prefabricated platform board of one size provided in an embodiment of the present technology.
Fig. 9 is a section view of fig. 8 taken along line 3-3.
Fig. 10 is a section view of fig. 8 taken along line 4-4.
Fig. 11 is a plan view of another size of prefabricated platform board provided by an embodiment of the present technology.
Fig. 12 is a section view taken at 5-5 of fig. 11.
Fig. 13 is a section view of fig. 11 taken at 6-6.
Fig. 14 is a front view of a support beam provided by an embodiment of the present disclosure.
Fig. 15 is a side view of a support beam provided by an embodiment of the present disclosure.
The reference numerals in the figures indicate:
1-prefabricated stairs, 101-prefabricated stair holes, 2-prefabricated platform boards, 201-prefabricated platform plate holes, 202-waterproof counter-sill, 3-steel columns, 4-ladder columns, 5-floor beams, 501-first anchor bolts, 6-platform beams, 601-second anchor bolts, 7-support beams, 701-steel webs, 702-third anchor bolts, 8-flexible caulking materials, 9-common mortar, 10-leveling gaskets, 11-flexible filling materials, 12-pressure-bearing gaskets and 13-nuts.
Detailed Description
The utility model will now be described in detail with reference to the drawings and specific examples. Features such as component model, material name, connection structure and the like which are not explicitly described in the technical scheme are all regarded as common technical features disclosed in the prior art.
The technical scheme provides an assembled stair suitable for steel construction system, including concrete system, steel construction system, connected system, concrete system includes prefabricated landing board 2, prefabricated stair 1, and steel construction system includes steel column 3, ladder column 4, floor roof beam 5, landing roof beam 6, supporting beam 7. Firstly, after the steel structure system is assembled, anchor bolts are arranged on a floor beam 5, a platform beam 6 and a supporting beam 7, two ends of a hoisted prefabricated staircase 1 are fixed on the anchor bolts of the supporting beam 7, and three sides of a prefabricated platform plate 2 are fixed on the anchor bolts of the floor beam 5 or the platform beam 6; the waterproof structure is arranged on the prefabricated platform plate 2, so that the reliable waterproof requirement is realized.
Examples
As shown in fig. 1 to 15, the present embodiment provides a fabricated stairway suitable for a steel structure system, which includes a concrete system, a steel structure system, and a connection system.
The concrete system comprises a prefabricated staircase 1 and a prefabricated platform plate 2; the steel structure system comprises a steel column 3, a ladder column 4, a floor beam 5, a platform beam 6 and a support beam 7; the connecting system is used for reliably connecting the concrete system and the steel structure system and comprises a flexible caulking material 8, common mortar 9, a leveling gasket 10, a flexible filling material 11, a pressure-bearing gasket 12 and a nut 13.
The steel column 3 and the floor beam 5 are connected into a whole through bolts or welding to form a main structure for bearing corresponding loads; the ladder columns 4, the floor beams 5, the platform beams 6 and the supporting beams 7 are connected into a whole through bolts or welding to form a substructure for bearing the corresponding load of the stairs.
As shown in fig. 8 to 13, the present embodiment provides two kinds of prefabricated panel boards 2 of different sizes, the two kinds of prefabricated panel boards 2 being identical in width and different in length.
The prefabricated staircase 1 is provided with a prefabricated staircase hole 101, and the prefabricated staircase hole 101 is used for connecting the prefabricated staircase 1 and the supporting beam 7; a third anchor bolt 702 is arranged on the supporting beam 7, and the third anchor bolt 702 is used for fixing the prefabricated staircase 1; the prefabricated staircase 1 is fixed on the support beam 7 through a third anchor bolt 702 and the prefabricated staircase hole 101; the prefabricated platform plate holes 201 are formed in the prefabricated platform plates 2, and the prefabricated platform plate holes 201 are used for connecting the prefabricated platform plates 2 with the floor beams 5 and the platform beams 6; the floor beam 5 is provided with a first anchor bolt 501, and the first anchor bolt 501 is used for fixing the prefabricated platform plate 2; the platform beam 6 is provided with a second anchor bolt 601, and the second anchor bolt 601 is used for fixing the prefabricated platform plate 2; the prefabricated platform plate 2 is fixed on the floor beam 5 through a first anchor bolt 501 and a prefabricated platform plate hole 201; the prefabricated platform deck 2 is fixed to the platform beam 6 by means of a second anchor 601 and prefabricated platform plate holes 201.
The prefabricated staircase 1 is prefabricated in a factory, can be provided with a facing, and is placed on the support beam 7 in the field. The prefabricated landing boards 2 are prefabricated for a factory, and are supported on site to rest on the floor beams 5 and/or landing beams 6.
The prefabricated platform board 2 is also provided with a waterproof back ridge 202 for preventing outdoor water from penetrating into a room.
The support beam 7 is further provided with a steel web 701 for resisting torsion and other loads generated by the prefabricated staircase 1 and the prefabricated landing plate 2.
The flexible caulking material 8 is arranged in the gap between the prefabricated platform plate 2 and the prefabricated staircase 1 so as to meet the requirement of the displacement index of the prefabricated staircase 1.
The flexible caulking material 8 is used for the joint of the steel structure and the concrete, can be mortar, can also be a glue material, has an unlimited form, can be suitable for the deformation of the structure itself under one action, and can be used for blocking the joint area gap under two actions. In this embodiment, the flexible caulking material 8 is a glue material (such as caulking sealant).
The common mortar 9 is poured into the prefabricated platform plate holes 201 so that the prefabricated platform plate 2 is reliably connected with the floor beams 5 and the platform beams 6, and the common mortar 9 can generate reliable bond with the first anchor bolts 501 and the second anchor bolts 601 to ensure stable connection of the prefabricated platform plate 2 and the steel structure system. In this embodiment, the normal mortar 9 is a material having a strength not lower than C40.
The nut 13 is arranged on the third anchor bolt 702, and the nut 13 is used for limiting the up-and-down displacement of the prefabricated staircase 1; pressure-bearing washer 12 is placed on third anchor bolt 702, pressure-bearing washer 12 being used to increase the pressure face of nut 13; the common mortar 9 is poured into the prefabricated stairway hole 101 to form a reliable connection between the prefabricated stairway 1 and the support beam 7.
The flexible filling material 11 is arranged in the gap between the prefabricated platform plate 2 and the prefabricated staircase 1, so that the plugging of the flexible caulking material 8 is facilitated, and the flexible filling material 11 has the deformable characteristic and can adapt to the displacement of the sliding staircase. The flexible filler material 11 is extruded polystyrene insulation board, and other deformable materials. In this embodiment, the flexible filler 11 is an extruded polystyrene thermal insulation board.
The leveling pad 10 is arranged on the floor beam 5 and the platform beam 6, and the leveling pad 10 is mainly used for leveling the height difference of the floor beam 5 and the platform beam 6.
All components in the steel structure system are prefabricated in a factory, are integrally connected in site through bolts or welding and the like, and do not have wet operation.
The construction method of the assembled stair comprises the following steps:
s1, assembling a steel structure system to form a support body and a main structure (main structure), installing a steel column 3, and connecting the steel column 3 and a floor beam 5 into a whole by means of bolts or welding and the like; the substructure is built, and the ladder columns 4, the platform beams 6, the floor beams 5 and the supporting beams 7 are connected into a whole through bolts or welding and the like.
S2, placing leveling base plates 10 on the corresponding floor beams 5 and the platform beams 6 before the precast concrete members (precast stairway 1 and precast platform plate 2) fall, and mounting the precast platform plate 2 on the floor beams 5 and 6; the prefabricated staircase board 1 is mounted to the support beam 7.
S3, connecting the concrete system with the steel structure system, and filling common mortar 9 into the prefabricated platform plate holes 201 to form reliable connection with the floor beams 5 and the platform beams 6 respectively; placing a pressure-bearing gasket 12 on the third anchor bolt 702, screwing a nut 13, pouring common mortar 9, forming reliable connection with the supporting beam 7, forming a cavity in the prefabricated staircase hole 101, and allowing the prefabricated staircase 1 to deform and move; the gap between the prefabricated platform plate 2 and the prefabricated staircase 1 is filled with a flexible filling material 11, and then is filled with a flexible caulking material 8 for plugging, so that the requirement of the displacement index of the prefabricated staircase 1 is met.
S4, leveling gaps at the edges of the prefabricated platform plate 2 and the prefabricated staircase 1, and preventing later cracking.
The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present utility model. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present utility model is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present utility model.
Claims (10)
1. An assembled stair suitable for a steel structure system is characterized in that the assembled stair comprises a concrete system and a steel structure system;
the concrete system comprises a prefabricated staircase (1) and a prefabricated platform plate (2);
the steel structure system comprises a steel column (3), a ladder column (4), a floor beam (5), a platform beam (6) and a support beam (7);
the steel column (3) and the floor beam (5) are connected to form a main structure;
the ladder column (4), the floor beam (5), the platform beam (6) and the supporting beam (7) are connected to form a substructure;
a prefabricated stair hole (101) is formed in the prefabricated stair (1);
a third anchor bolt (702) is arranged on the supporting beam (7);
the prefabricated staircase (1) is fixed on the supporting beam (7) through a third anchor bolt (702) and the prefabricated staircase hole (101);
a prefabricated platform plate hole (201) is formed in the prefabricated platform plate (2);
a first anchor bolt (501) is arranged on the floor beam (5); a second anchor bolt (601) is arranged on the platform beam (6);
the prefabricated platform plate (2) is fixed on the floor beam (5) through a first anchor bolt (501) and a prefabricated platform plate hole (201);
the prefabricated platform plate (2) is fixed on the platform beam (6) through a second anchor bolt (601) and a prefabricated platform plate hole (201).
2. A fabricated stairway suitable for use in a steel construction system according to claim 1, characterised in that the fabricated stairway further comprises a connection system for reliable connection of the concrete system and the steel construction system;
the connecting system comprises a flexible caulking material (8), common mortar (9), a pressure-bearing gasket (12) and a nut (13);
the flexible caulking material (8) is arranged in a gap between the prefabricated platform plate (2) and the prefabricated staircase (1) so as to meet the requirement of the displacement index of the prefabricated staircase (1);
the common mortar (9) is poured into the prefabricated platform plate holes (201) so as to ensure that the prefabricated platform plate (2) is reliably connected with the floor beams (5) and the platform beams (6);
the pressure-bearing gasket (12) is arranged on the third anchor bolt (702);
the nut (13) is arranged on the third anchor bolt (702);
the common mortar (9) is poured into the prefabricated staircase holes (101) so as to ensure that the prefabricated staircase (1) and the supporting beam (7) are reliably connected.
3. A fabricated stairway suitable for use in a steel structural system according to claim 2, characterised in that the connection system further comprises a flexible filler material (11);
the flexible filling material (11) is arranged in a gap between the prefabricated platform plate (2) and the prefabricated staircase (1) so as to facilitate the plugging of the flexible caulking material (8).
4. A fabricated stairway suitable for use in a steel structural system according to claim 3, characterised in that the flexible filler material (11) is extruded polystyrene insulation board.
5. A fabricated stairway suitable for use in a steel structural system according to claim 2, characterised in that the connection system further comprises a levelling gasket (10);
the leveling gaskets (10) are arranged on the floor beams (5) and the platform beams (6).
6. A fabricated stairway suitable for use in a steel structural system according to claim 2, characterised in that the flexible caulking material (8) is mortar or glue.
7. An assembled stairway suitable for use in a steel construction system according to claim 1, characterised in that the prefabricated landing boards (2) are provided with water-repellent ridges (202) for blocking the penetration of outdoor water into the room.
8. A fabricated stairway suitable for use in a steel construction system according to claim 1, characterised in that the support beams (7) are also provided with steel webs (701) for resisting torsional loads generated by the prefabricated stairway (1), the prefabricated landing boards (2).
9. A fabricated stairway suitable for use in a steel structure system according to claim 1, characterised in that the stiles (4), floor beams (5), landing beams (6), support beams (7) are connected in one piece by bolts or welding and constitute a substructure.
10. A fabricated stairway suitable for use in a steel structural system according to claim 1, characterised in that the steel columns (3), floor beams (5) are joined together by bolts or welding and constitute the main structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321480987.2U CN220167334U (en) | 2023-06-12 | 2023-06-12 | Assembled stair suitable for steel structure system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321480987.2U CN220167334U (en) | 2023-06-12 | 2023-06-12 | Assembled stair suitable for steel structure system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220167334U true CN220167334U (en) | 2023-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321480987.2U Active CN220167334U (en) | 2023-06-12 | 2023-06-12 | Assembled stair suitable for steel structure system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220167334U (en) |
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2023
- 2023-06-12 CN CN202321480987.2U patent/CN220167334U/en active Active
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