CN222009359U - Ladder type roof precast beam with window - Google Patents
Ladder type roof precast beam with window Download PDFInfo
- Publication number
- CN222009359U CN222009359U CN202420622940.3U CN202420622940U CN222009359U CN 222009359 U CN222009359 U CN 222009359U CN 202420622940 U CN202420622940 U CN 202420622940U CN 222009359 U CN222009359 U CN 222009359U
- Authority
- CN
- China
- Prior art keywords
- chord member
- lower chord
- upper chord
- vertical
- stepped
- 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
- 238000009434 installation Methods 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 37
- 239000010959 steel Substances 0.000 claims description 37
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000004904 shortening Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
Landscapes
- Rod-Shaped Construction Members (AREA)
Abstract
The utility model discloses a stepped windowed roof precast beam which is arranged between adjacent step surfaces and comprises an upper chord member and a lower chord member which are arranged in parallel, wherein the top surface of the upper chord member is flush with the upper step surface, the bottom surface of the lower chord member is flush with the lower step surface, two ends of the upper chord member and the lower chord member are used for connecting a roof longitudinal beam, the middle parts of the upper chord member and the lower chord member are provided with finished window installation positions, and truss structures positioned between the upper chord member and the lower chord member are arranged on two sides of the finished window installation positions. The utility model has beautiful appearance, light weight, ingenious design, small integral deflection, excellent bearing performance, convenient and quick installation, can meet the bearing requirement of the ladder-type hierarchical roof beam, and simultaneously has the integral beautiful requirement after the window is installed on the ladder of the roof, which is easy to obtain materials, can finish the production of integral components in factories, and then is installed on site, thereby optimizing the construction flow and greatly shortening the construction period.
Description
Technical Field
The utility model relates to the technical field of large-span civil building steel structures, in particular to a stepped windowed roof precast beam.
Background
In modern civil buildings such as exhibition halls, building selling parts, art centers, hotels and the like, a part of the civil buildings adopts a stepped hierarchical roof structure, so that the line feeling and rhythm feeling of the building model are enhanced. The building span is generally in the range of 8-18 m, and the height of each step-shaped step is 500-1000 mm. In order to enhance indoor brightness and permeability, a prolate lighting long window with the length of 4-8 m and the height of 200-500 mm is further arranged in the step modeling. When the existing daylighting long window is installed, the following problems can be encountered: 1) When the steel beam below the daylighting long window adopts a solid-web steel beam, the steel beam is lower than the bottom surface of the next step, so that dislocation is formed, and a part (shown as a part a in fig. 6) of the steel beam extending below the roof panel can be seen indoors, so that the effect of building space is affected; if the steel beam is closely attached to the top surface of the next step for attractive appearance, the height of the web plate of the steel beam is rapidly compressed to 300-500 mm, and the bearing capacity of the steel beam cannot meet the load of roof boards, on-board equipment and windows; 2) If the whole H-shaped steel beam is selected, 4-8 m window holes are arranged on the steel beam web plate to install windows (shown in a part b in fig. 6), and the strength of the steel beam web plate and the whole bending bearing capacity of the steel beam can be weakened too much due to the longer window holes, so that larger load cannot be borne.
Disclosure of Invention
In order to solve the problems, the utility model provides a stepped windowed roof precast beam, which concretely adopts the following technical scheme:
The stepped windowed roof precast beam is arranged between adjacent step surfaces and comprises an upper chord and a lower chord which are arranged in parallel, the top surface of the upper chord is flush with the upper step surface, the bottom surface of the lower chord is flush with the lower step surface, two ends of the upper chord and the lower chord are used for connecting a roof longitudinal beam, the middle parts of the upper chord and the lower chord are provided with finished window installation positions, and truss structures positioned between the upper chord and the lower chord are arranged on two sides of the finished window installation positions.
The finished window installation position is formed by enclosing an upper chord, a lower chord and a vertical rod arranged between the upper chord and the lower chord.
The vertical rods are symmetrically arranged along the central axes of the upper chord member and the lower chord member, and reinforcing rods connected with the upper chord member and the lower chord member are further arranged between the vertical rods.
The reinforcing rod is arranged along the central axes of the upper chord member and the lower chord member and is positioned at the rear side of the finished window.
The truss structure comprises vertical web members and inclined web members, wherein the inclined web members are arranged between the adjacent vertical web members, and the inclined web members are of continuous inclined web member structures or parallel inclined web member structures.
The upper chord member and the lower chord member are of rectangular steel pipe structures, and sealing plates are arranged at the end parts of the upper chord member and the lower chord member.
When the roof longitudinal beam is a hot rolled H-shaped steel or a welded H-shaped steel structure, vertical grooves which are coaxially arranged are formed in the end heads of the upper chord member and the lower chord member, vertical connecting steel plates are arranged in the vertical grooves, stiffening ribs positioned between the upper chord member and the lower chord member are welded on the left side and the right side of the vertical connecting steel plates respectively, and the stiffening ribs and the vertical connecting steel plates are welded with web plates of the roof longitudinal beam.
The ladder-shaped roof precast beam with the window has the advantages of attractive appearance, light weight, ingenious design, small overall deflection, excellent bearing performance, convenient and quick installation, and capability of meeting the bearing requirement of the ladder-shaped hierarchical roof beam and simultaneously taking the overall attractive requirement of the roof after the window is installed in a ladder-shaped manner. The utility model is easy to obtain materials, can finish the production of the integral component in a factory, and then is installed on site, thereby optimizing the construction flow and greatly shortening the construction period.
Drawings
Fig. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic diagram of a second embodiment of the present utility model.
FIG. 3 is a schematic view of the connection structure of the present utility model to a hot rolled H-beam or welded H-beam structured roof rail.
Fig. 4 is a schematic diagram of the slotted structure of the upper/lower chords of fig. 3.
Fig. 5 is a schematic view of the connection structure of the utility model with a rectangular pipe structure roof rail.
Fig. 6 is a schematic view of a stepped windowed roof having windows mounted using different structural beams.
Detailed Description
The following describes embodiments of the present utility model in detail with reference to the accompanying drawings, and the embodiments and specific operation procedures are given by the embodiments of the present utility model under the premise of the technical solution of the present utility model, but the scope of protection of the present utility model is not limited to the following embodiments.
As shown in a part c in fig. 1, 2 and 6, the stepped windowed roof precast beam provided by the utility model is arranged between adjacent step surfaces and comprises an upper chord member 1 and a lower chord member 2 which are arranged in parallel, wherein the top surface of the upper chord member 1 is flush with the upper step surface, the bottom surface of the lower chord member 2 is flush with the lower step surface, the total height is within the range of 800-1000 mm, the front-back width is 150-200 mm, the span is 8-18 m, and the height requirement of the building stepped modeling is met. In order to lighten the weight of the steel beam and meet the requirement of light weight, the upper chord member 1 and the lower chord member 2 are rectangular steel pipe structures, welding rectangular pipes or cold-formed thin-wall finished rectangular pipes can be adopted, and the thickness is preferably 6-12 mm. Further, steel plates are welded to the ends of the upper chord 1 and the lower chord 2 as the seal plates 11.
The ends of the upper chord 1 and the lower chord 2 are connected to the roof rail M. When the roof longitudinal beam M is a hot rolled H-shaped steel or welded H-shaped steel structure, the end heads of the upper chord member 1 and the lower chord member 2 are provided with vertical grooves 12 (see figure 4) which are coaxially arranged, the vertical grooves 12 penetrate through the sealing plates 11, vertical connecting steel plates 13 are arranged in the vertical grooves 12, the joint of the vertical connecting steel plates 13 and the upper chord member 1, the lower chord member 2 and the sealing plates 11 is welded by adopting a double-sided fillet weld or single-sided groove welding technology, then stiffening ribs 14 positioned between the upper chord member 1 and the lower chord member 2 are respectively welded on the left side and the right side of the vertical connecting steel plates 13, and the vertical connecting steel plates 13 and the stiffening ribs 14 form supports (see figure 3) which can be welded with the roof longitudinal beam M so as to improve the connection firmness. When the roof longitudinal beam M is a beam or column in a rectangular pipe structure (see fig. 5), the upper chord member 1 and the lower chord member 2 can be welded on the side surface of the rectangular pipe by adopting groove welding or peripheral fillet welding.
The middle parts of the upper chord member 1 and the lower chord member 2 are provided with finished product window installation positions 3, the height of the finished product window installation positions 3 is 200-500 mm, the length is 4-8 m, one or two finished product aluminum alloy windows can be installed, and the windows can be fixed or openable. The finished window mounting position 3 is formed by enclosing an upper chord 1, a lower chord 2 and a pair of vertical rods 4 welded between the upper chord 1 and the lower chord 2. The two vertical rods 4 are also made of welded rectangular pipes or cold-formed thin-wall finished rectangular pipes, and are symmetrically arranged along the central axes of the upper chord member 1 and the lower chord member 2.
In order to ensure that the deflection of the middle steel beam meets the requirement, the center of the two vertical rods 4 is also provided with a reinforcing rod 5 connected with the upper chord member 1 and the lower chord member 2. The front-back width of the reinforcing rod 5 is reduced by 50-100 mm compared with that of the upper chord member 1/the lower chord member 2, and the reinforcing rod is positioned at the rear side of the finished window and is used for meeting the length requirement of the flat long window.
Truss structures welded and connected with the upper chord member 1 and the lower chord member 2 are also arranged on two sides of the finished window installation position 3. Specifically, the truss structure is composed of vertical web members 6 and diagonal web members 7, the vertical web members 6 are uniformly spaced between the upper chord member 1 and the lower chord member 2, and the diagonal web members 7 are disposed between adjacent vertical web members 6. The diagonal web member 7 is a continuous diagonal web member structure (see fig. 1) or a parallel diagonal web member structure (see fig. 2).
Therefore, the ladder-shaped window roof precast beam is in the form of an end truss and a middle hollowed window body, which are formed by the upper chord member, the lower chord member and various web members, and the lower chord member is arranged in the middle of the window, so that the dead weight of the member can be effectively reduced, the truss-like form adopted by the end can practically strengthen the integral bending rigidity of the steel beam, the upper chord member and the lower chord member are connected by adopting the reinforcing rod in the middle of the window, the integral of the upper chord member and the lower chord member is enhanced, the span deflection deformation of the steel beam is effectively reduced, and meanwhile, the installation and the fixation of a prolate aluminum alloy finished window are also facilitated. The welding device can be processed and molded in a factory, so that the welding quality is effectively ensured, and the component has high precision and excellent quality; after the factory is manufactured, the factory can be directly installed on site, so that the on-site assembly procedure is reduced, and the construction period is saved. The utility model has the advantages of light dead weight, steel saving, reasonable structure, beam and window integration and the like, can effectively solve the problem that the traditional large-span ladder-shaped window roof beam cannot take bearing, lighting and attractive appearance into consideration when being arranged, and has great popularization value in industry.
It should be noted that, in the description of the present utility model, terms such as "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Claims (7)
1. The utility model provides a echelonment area window roofing precast beam, sets up between adjacent step face, its characterized in that: the upper chord member and the lower chord member are arranged in parallel, the top surface of the upper chord member is flush with the upper step surface, the bottom surface of the lower chord member is flush with the lower step surface, two ends of the upper chord member and the lower chord member are used for connecting roof longitudinal beams, the middle parts of the upper chord member and the lower chord member are provided with finished window installation positions, and truss structures positioned between the upper chord member and the lower chord member are arranged on two sides of the finished window installation positions.
2. The stepped windowed roofing preform beam of claim 1, wherein: the finished window installation position is formed by enclosing an upper chord, a lower chord and a vertical rod arranged between the upper chord and the lower chord.
3. The stepped windowed roofing preform beam of claim 2, wherein: the vertical rods are symmetrically arranged along the central axes of the upper chord member and the lower chord member, and reinforcing rods connected with the upper chord member and the lower chord member are further arranged between the vertical rods.
4. A stepped windowed roofing preform beam according to claim 3, wherein: the reinforcing rod is arranged along the central axes of the upper chord member and the lower chord member and is positioned at the rear side of the finished window.
5. The stepped windowed roofing preform beam of claim 1, wherein: the truss structure comprises vertical web members and inclined web members, wherein the inclined web members are arranged between the adjacent vertical web members, and the inclined web members are of continuous inclined web member structures or parallel inclined web member structures.
6. The stepped windowed roofing preform beam of claim 1, wherein: the upper chord member and the lower chord member are of rectangular steel pipe structures, and sealing plates are arranged at the end parts of the upper chord member and the lower chord member.
7. The stepped windowed roofing precast beam of claim 6, wherein: when the roof longitudinal beam is a hot rolled H-shaped steel or a welded H-shaped steel structure, vertical grooves which are coaxially arranged are formed in the end heads of the upper chord member and the lower chord member, vertical connecting steel plates are arranged in the vertical grooves, stiffening ribs positioned between the upper chord member and the lower chord member are welded on the left side and the right side of the vertical connecting steel plates respectively, and the stiffening ribs and the vertical connecting steel plates are welded with web plates of the roof longitudinal beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420622940.3U CN222009359U (en) | 2024-03-28 | 2024-03-28 | Ladder type roof precast beam with window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420622940.3U CN222009359U (en) | 2024-03-28 | 2024-03-28 | Ladder type roof precast beam with window |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222009359U true CN222009359U (en) | 2024-11-15 |
Family
ID=93428847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420622940.3U Active CN222009359U (en) | 2024-03-28 | 2024-03-28 | Ladder type roof precast beam with window |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222009359U (en) |
-
2024
- 2024-03-28 CN CN202420622940.3U patent/CN222009359U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107587603B (en) | Assembly type light steel structure and mounting method thereof | |
| CN201128956Y (en) | Assembled integral flat-plate or curve type vierendeel steel lattice structure | |
| CN101397822A (en) | Assembly of integral flat-plate type or hood face section steel hollow lattice construction and production method | |
| CN210947142U (en) | Assembled concrete structure post roof beam connecting steel node | |
| CN107355009B (en) | Steel construction archaize building roof apex angle post roof beam crossing node structure | |
| CN212317314U (en) | Multi-cavity steel pipe special-shaped column | |
| CN209457263U (en) | An assembled steel structure beam-slab connection structure | |
| CN222009359U (en) | Ladder type roof precast beam with window | |
| CN214220084U (en) | Row-shaped steel concrete shear wall and assembly type building structure system thereof | |
| CN219909353U (en) | Sliding support for providing horizontal constraint by using large-span steel structure roof | |
| CN215906978U (en) | Super high-rise large-span high-order single-layer connection structure | |
| CN203174879U (en) | Quick-install truss and quick-install house using same | |
| CN207878666U (en) | Connecting assembly for special-shaped steel pipe concrete column and H-shaped steel beam | |
| CN109057040A (en) | A kind of clod wash lightweight steel construction system and assembled wall skeleton structure | |
| CN217811604U (en) | Folded plate-like structure | |
| CN213927072U (en) | Multi-storey and large space cantilevered truss structure with embedded orthogonal small trusses | |
| CN213868342U (en) | Steel reinforced concrete cross lattice column-shaped steel beam assembled node | |
| CN212534646U (en) | Assembled both sides connection steel grid shear force wall convenient to replacement | |
| CN110042982B (en) | A composite structure component and its production method and application | |
| CN205637139U (en) | Support flat push formula multicavity steel pipe -concrete composite post braced frame system | |
| CN205617611U (en) | Confined concrete's steel construction dividing wall component | |
| CN118049007A (en) | Construction method of ladder-shaped roof precast beam with window | |
| CN115874715A (en) | Steel pipe concrete combination shear wall and girder steel joint construction | |
| CN213509214U (en) | Assembled low-rise building | |
| CN107386465B (en) | Column-beam intersection node structure of steel structure antique second mountain building roof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |