CN214739896U - Ultrahigh-rise framework beam formwork system for ultrahigh-rise - Google Patents
Ultrahigh-rise framework beam formwork system for ultrahigh-rise Download PDFInfo
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- CN214739896U CN214739896U CN202120521121.6U CN202120521121U CN214739896U CN 214739896 U CN214739896 U CN 214739896U CN 202120521121 U CN202120521121 U CN 202120521121U CN 214739896 U CN214739896 U CN 214739896U
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- 238000009415 formwork Methods 0.000 title claims abstract description 67
- 239000002184 metal Substances 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 abstract description 12
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000009432 framing Methods 0.000 description 3
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Abstract
The utility model discloses a superelevation framework layer frame roof beam formwork system of superelevation layer, including the scaffold frame of the vertical side of beam-bottom formwork and roof beam, the beam-bottom formwork includes vertical vaulting pole and connects in the horizontal vaulting pole of its upper end, and a plurality of beam-bottom formworks link as a whole through vertical horizontal pull rod along the vertical equipartition of roof beam, and each beam-bottom formwork is fixed with scaffold connection. The ingenious load-bearing structure who utilizes lower floor's shaping roof beam as upper beam formwork, the mode that adopts the bracing with the side vaulting pole of the vertical vaulting pole that the second floor begins, the lower extreme of vertical vaulting pole supports on the shaping roof beam, make vertical vaulting pole can safe and reliable support upper beam template and will pour the weight transmission of concrete to lower floor's shaping roof beam, the upper end can satisfy the beam template width and be greater than the wide requirement of support of roof beam, it is fixed with pre-buried anchor bar in the scaffold frame of roof beam side and the shaping roof beam simultaneously, improve the overall stability of formwork and scaffold. The structure is simple and many while the safety and reliability of the formwork support are ensured.
Description
Technical Field
The utility model belongs to super high-rise building field specifically is a super high-rise framework layer frame roof beam formwork system.
Background
Buildings with more than 40 floors and more than 100 meters in height are called super high-rise buildings and are generally ultra-large projects with landmark significance, wherein two framework layers are arranged on the tops of most of the super high-rise buildings, and frame beams of the framework layers are formed by casting after being supported by a formwork in a mode of erecting full framing scaffolds.
The full hall scaffold is a construction process of putting down this full shop and setting up scaffold at the level, and full hall scaffold is high density scaffold, including a large amount of pole settings, horizon bar, the pole of sweeping the floor, intermediate lever, sill beam pole, vertical bridging, horizontal bridging, even wall spare and a large amount of fasteners, cushion and top support etc. complicated structure needs the material with high costs, and the work load of setting up on the spot and dismantling the support body is big, needs a large amount of human costs, construction cycle length. Even rental requires high transportation costs. In addition, because the structure of the full framing scaffold is complicated, the setting workload is large, the problem of reducing the setting standard for accelerating the setting progress is easy to occur, for example, the cross braces are not synchronously installed, the bowl buckles are not fastened, the subsequent rectification difficulty is large, and once the rectification is not in place, the potential safety hazard in the construction process is possibly caused.
In addition, the pouring of the framework beams of the framework layer is carried out after the building of the lower floor is completed, the difficulty of transporting huge materials to the roof is high, field operators belong to super-high altitude operation, the workload is high, and the potential safety hazard is large. Obviously, for the ultrahigh framework layer with the height exceeding three layers, the formwork supporting mode of the full framing scaffold is not suitable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a framework layer frame roof beam formwork system of formwork system simple structure, safe and reliable.
The utility model provides a superelevation framework layer frame roof beam formwork system of this kind of superelevation layer, including the scaffold frame of the vertical side of beam-bottom formwork and roof beam, the beam-bottom formwork includes vertical vaulting pole and connects in the horizontal vaulting pole of its upper end, and a plurality of beam-bottom formworks are along the vertical equipartition of roof beam, even be whole through vertical horizontal pull rod, and each beam-bottom formwork is fixed with scaffold connection.
In an embodiment of the above technical scheme, the vertical support rods include two bottom support rods and two side support rods symmetrically arranged at two sides of the bottom support rod, and the upper ends of the bottom support rods are connected with the top support.
In one embodiment of the above technical scheme, the lower ends of the vertical support rods are respectively connected with a base plate, and the base plate is provided with a fastener mounting hole.
In one embodiment of the above technical scheme, the bottom brace rod and the side brace rod of the first layer of bottom brace frame are both vertically arranged, the side brace rod is positioned outside the beam width, and the top end of the side brace rod is connected with the top support.
In one embodiment of the above technical solution, the bottom brace rods of each layer of the bottom brace frame from the second beginning are vertically arranged, the bottom brace rods are vertically arranged, the top ends of the bottom brace rods are connected with the top support, the side brace rods are obliquely arranged, the lower ends of the side brace rods are fixed on the forming beam, and the upper ends of the side brace rods extend out of the beam width.
In one embodiment of the technical scheme, the distance between each row of vertical support rods of the same layer of beam bottom support die frame is 600-900 mm.
In one embodiment of the technical scheme, the outer edges of the lower ends of the support rods on the two sides of each layer of vertical support rods starting from the second layer are 30-50 mm away from the beam edge, and the connecting points are 100-200 mm away from the beam edge after the top of the horizontal support rods is connected.
In an embodiment of the above technical scheme, the scaffold transversely passes through the horizontal pull rod with vertical brace rod is connected fixedly, and the inboard vertical rod of scaffold is apart from 200 ~ 350mm on roof beam limit.
In one embodiment of the above technical solution, a metal wall connecting member is disposed between the scaffold and the forming beam.
This formwork system only includes beam-bottom formwork support and roof beam side scaffold, and beam-bottom formwork support includes vertical vaulting pole and horizontal vaulting pole and vertical horizontal pull rod, and the scaffold frame is as workman's handling frame, so only need set up two rows of pole settings respectively in the vertical both sides of inner frame roof beam, the inboard of boundary beam sets up two rows of pole settings respectively, set up according to conventional scaffold structure can. The utility model discloses ingenious utilization lower floor's shaping roof beam as upper beam formwork's load structure, the lower extreme that the side vaulting pole of the vertical vaulting pole that begins the second floor adopted the mode vertical vaulting pole of bracing supports on the shaping roof beam, but make vertical vaulting pole safe and reliable support upper beam template and will pour the weight transmission of concrete to lower floor's shaping roof beam, the upper end can satisfy the support requirement that the beam template width is greater than the roof beam width, it is fixed with pre-buried anchor bar in scaffold frame and the shaping roof beam of roof beam side simultaneously, improve the overall stability of formwork and scaffold frame. So the utility model discloses when guaranteeing formwork support safe and reliable, whole formwork system is more than the formwork mode simple structure of full hall scaffold frame, and the structure is a lot of in small quantity, so the field work volume is a lot less, practices thrift manpower and materials.
Drawings
Fig. 1 is a schematic plan view of an embodiment of the present invention.
Fig. 2 is a schematic view of a formwork system at the inner frame beam in this embodiment.
Fig. 3 is a schematic side view of fig. 2 (only one of the formwork systems is shown).
Detailed Description
The utility model discloses a all kinds of super high-rise superelevation framework layer frame roof beam formwork system, including the scaffold frame of the vertical side of beam-bottom formwork and roof beam, beam-bottom formwork is along roof beam length direction equipartition.
In the framework layer of the embodiment, the beam width of the inner frame beam A is 600mm, the beam height is 700mm, the beam width of the edge beam B is 400mm, the beam height is 700(900) mm, the number of layers of the framework layer is 9, the total height is 38100mm, and the height of a scaffold is 35900 mm.
As shown in figure 1, scaffolds C are erected on two sides of an inner frame beam A and on the inner side of a boundary beam B as operation frames for workers to install beam templates, so that less scaffold materials are required while the formwork supporting safety is met.
As can be seen from fig. 1 to 3, when the first-layer formwork support and scaffold are erected, a plurality of rows of vertical support rods are fixed on the roof of a building at positions corresponding to the inner frame beams and the boundary beams at uniform intervals along the beam length direction, the width of each row of vertical support rods is larger than the beam width, and the vertical support rods are connected into a whole through fittings such as the longitudinal horizontal pull rods at the bottom, fasteners and the like.
Fig. 2 and 3 show structural schematic diagrams of the formwork and the scaffold at the inner frame beam in the embodiment.
The inner frame beam is arranged in a row by four vertical support rods, wherein two of the four vertical support rods are beam bottom support rods 1, and the other two vertical support rods are side support rods 2 which are vertically arranged. The center distance between the beam bottom support rods is 200mm, the beam width center planes are symmetrically arranged, and the center distances between the support rods on two sides and the beam bottom support rods are about 300 mm. The lower end of each support rod is provided with a backing plate, and the backing plate is fixedly connected with an embedded part in a roof structure of a building through a fastener. The spacing between adjacent rows of vertical struts is 900.
The edge beam is only provided with the beam bottom bracing rod, and the arrangement mode is the same as that of the inner frame beam, so that a schematic diagram is not given.
And erecting scaffolds as worker operation frames on two sides of the position corresponding to the inner frame beam and on the inner sides of the side beams, and connecting and fixing the scaffolds and the vertical support rods. The setting up of the scaffolding is performed according to the relevant standards.
As can be seen from fig. 2 and 3, the upright rods 3 of the scaffolds on both sides of the inner frame beam are connected into a whole through the transverse horizontal pull rods 4 and the cross braces 5 so as to enhance the stability of the formwork system.
The scaffold on the inner side of the boundary beam and the beam bottom formwork support are connected into a whole, and the specific operation refers to the treatment of the inner frame beam.
Workers stand on the scaffold, each fixed row of vertical supporting rods are fixedly connected through the middle and top longitudinal horizontal pull rods, the transverse horizontal pull rods are fixed at the positions, close to the top support, of the tops of the vertical supporting rods through fasteners and other accessories, and the transverse horizontal supporting rods 6 are installed at the positions of the top supports.
After the first-layer formwork support and the scaffold are erected, a first-layer beam formwork is installed above the transverse horizontal support rod 6, and a first-layer beam is poured and maintained.
Second layer formwork and scaffold erection
And when the scaffold is heightened, the top surface of the first layer of forming beam is fixed with the second layer of vertical supporting rod, but the vertical supporting rods on the two sides are obliquely arranged.
As can be seen from figure 2, the bottom beam stay bar 1 of the vertical stay bar of the second layer is arranged to be the same as the first layer, the upper end is connected with the top support, the upper end of the side stay bar 2 extends out of the upper end of the bottom beam stay bar 1, the middle part of the horizontal stay bar 6 is installed through the top support, and the two ends are connected and fixed with the side stay bar 2 through fasteners and other accessories, so that the vertical stay bar is arranged to be a screen surface which is narrow at the bottom and wide at the top.
In this embodiment, the distance between the outer edge of the lower end of the second layer side stay and the edge of the beam is preferably about 50mm, and the distance between the upper end of the second layer side stay and the connecting position of the fastener is preferably about 200 mm.
Other operations of this layer are performed with reference to the first layer operations. The structural difference between the second layer of formwork support and the first layer of formwork support is that the side support rods of each row of vertical support rods are arranged in an inclined mode, and the purpose is to ensure the stress and force transmission performance of the vertical support rod rows.
And the erection of the formwork support and the scaffold of other layers is executed according to the second layer.
In order to further improve the safety and stability of the formwork and the scaffold after erection, the anchor bars 7 extending upwards are pre-embedded as wall connecting pieces when the beams are poured, and the anchor bars and the scaffold are connected and fixed through fasteners and other accessories when the scaffold is erected, as shown in fig. 2.
The embodiment is provided with anchor bars on each layer of beam, and the space between the anchor bars on the same layer is not more than two spans.
Because the building is of an annular structure, the inner frame beams, the boundary beams and the scaffolds around the core tube are respectively connected with the concrete structure in a mode of arranging the wall connecting pieces and the holding columns, and two horizontal rods are arranged at the intersection corner positions of each boundary beam scaffold, the inner frame beam scaffold and the scaffolds around the core tube to connect the scaffolds at two sides of the corner, as shown in figure 1, so as to ensure the real integral stability of the scaffolds at the whole layer.
As can be seen from fig. 1 to 3, the formwork system only includes a beam bottom formwork support and a beam side scaffold, the beam bottom formwork support includes a vertical brace rod, a horizontal brace rod and a vertical horizontal pull rod, and the scaffold is used as a worker handling frame, so that only two rows of upright rods are required to be respectively arranged on the vertical sides of the inner frame beam, two rows of upright rods are required to be respectively arranged on the inner sides of the boundary beams, and the scaffold is constructed according to a conventional scaffold structure. The utility model discloses utilize ingenious load structure who has utilized lower floor's shaping roof beam as upper beam formwork, the mode of the side vaulting pole adoption bracing of the vertical vaulting pole that begins with the second floor, the lower extreme can be supported on the shaping roof beam, but make vertical vaulting pole safe and reliable support upper beam template and will pour the weight transmission of concrete to lower floor's shaping roof beam, the upper end can satisfy the beam form width and be greater than the wide supporting requirement of roof beam, it is fixed with pre-buried anchor bar in the scaffold frame of roof beam side and the shaping roof beam simultaneously, improve the overall stability of formwork and scaffold frame. So the utility model discloses when guaranteeing formwork support safe and reliable, whole formwork system is more than the formwork mode simple structure of full hall scaffold frame, and the structure is a lot of in small quantity, so the field work volume is a lot less, practices thrift manpower and materials.
Claims (9)
1. The utility model provides a superelevation framework layer frame roof beam formwork system of superelevation layer which characterized in that: the beam bottom formwork support device comprises a beam bottom formwork support frame and a scaffold on the longitudinal side of a beam, wherein the beam bottom formwork support frame comprises vertical support rods and horizontal support rods connected to the vertical support rods, a plurality of beam bottom formwork support frames are longitudinally and uniformly distributed along the beam and are connected into a whole through longitudinal horizontal pull rods, and each beam bottom formwork support frame is fixedly connected with the scaffold.
2. The very high frame level frame beam formwork system of a very high level of claim 1, wherein: the vertical support rods comprise beam bottom support rods and side support rods symmetrically arranged on two sides of the beam bottom support rods, at least two beam bottom support rods are arranged, and the upper ends of the two beam bottom support rods are connected with the jacking supports.
3. The ultra-high-rise framework beam formwork system of claim 2, wherein: the lower ends of the vertical support rods are respectively connected with a base plate, and the base plates are provided with fastener mounting holes.
4. The very high frame level frame beam formwork system of a very high story as claimed in claim 3, wherein: the beam bottom support rods and the side support rods of the first layer of beam bottom support die frame are vertically arranged, the side support rods are located outside the beam width, and the upper ends of the side support rods are connected with the top support.
5. The very high frame level frame beam formwork system of a very high story as claimed in claim 3, wherein: and the beam bottom support rods of the layer of beam bottom support die frames from the second beginning are vertically arranged, the beam bottom support rods are vertically arranged, the upper ends of the beam bottom support rods are connected with the jacking supports, the side support rods are obliquely arranged, the lower ends of the side support rods are fixed on the forming beam, and the upper ends of the side support rods extend out of the beam width.
6. The ultra-high-rise framework beam formwork system of claim 2, wherein: the distance between each row of vertical support rods of the same layer of beam bottom support die frame is 600-900 mm.
7. The very high frame level frame beam formwork system of a very high story as claimed in claim 5, wherein: the outer edges of the lower ends of the support rods on the two sides of each layer of vertical support rods from the second layer are 30-50 mm away from the beam edge, and the connecting points are 100-200 mm away from the beam edge after the top of each layer of vertical support rods is connected with the horizontal support rods.
8. The very high frame level frame beam formwork system of a very high level of claim 1, wherein: the scaffold transversely pass through horizontal pull rod with vertical stay bar is connected fixedly, and the inboard vertical pole of scaffold is apart from beam edge 200 ~ 350 mm.
9. The very high frame level frame beam formwork system of a very high story as claimed in claim 3, wherein: and a metal wall connecting piece is arranged between the scaffold and the forming beam.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120521121.6U CN214739896U (en) | 2021-03-12 | 2021-03-12 | Ultrahigh-rise framework beam formwork system for ultrahigh-rise |
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| CN202120521121.6U CN214739896U (en) | 2021-03-12 | 2021-03-12 | Ultrahigh-rise framework beam formwork system for ultrahigh-rise |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112878673A (en) * | 2021-03-12 | 2021-06-01 | 中国建筑第五工程局有限公司 | Formwork supporting method for ultrahigh-rise frame beam of ultrahigh-rise frame |
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- 2021-03-12 CN CN202120521121.6U patent/CN214739896U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112878673A (en) * | 2021-03-12 | 2021-06-01 | 中国建筑第五工程局有限公司 | Formwork supporting method for ultrahigh-rise frame beam of ultrahigh-rise frame |
| CN112878673B (en) * | 2021-03-12 | 2024-11-26 | 中国建筑第五工程局有限公司 | A method for supporting formwork of super-high-rise frame beams |
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