CN118128296A - Cantilever structure formwork supporting structure at high-altitude gable part and construction method - Google Patents
Cantilever structure formwork supporting structure at high-altitude gable part and construction method Download PDFInfo
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- CN118128296A CN118128296A CN202410474821.2A CN202410474821A CN118128296A CN 118128296 A CN118128296 A CN 118128296A CN 202410474821 A CN202410474821 A CN 202410474821A CN 118128296 A CN118128296 A CN 118128296A
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 81
- 238000010276 construction Methods 0.000 title claims abstract description 35
- 238000009415 formwork Methods 0.000 title claims abstract description 23
- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 47
- 239000010959 steel Substances 0.000 claims description 47
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 238000005266 casting Methods 0.000 claims description 6
- 239000002023 wood Substances 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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Abstract
The invention relates to a formwork support structure of a cantilever structure at a high-altitude gable position and a construction method, wherein the formwork support structure comprises a concrete support (1), a wall connecting piece, an inclined vertical rod (10), a transverse horizontal rod (11) and a leveling horizontal rod (13), wherein the concrete support (1) is arranged at the outer wall end of a support floor plate (200); the wall connecting piece is penetrated in the reserved bolt hole (9), and the inclined vertical rod (10), the horizontal rod (11) and the leveling horizontal rod (13) are used for erecting a supporting system through the wall connecting piece. The construction method comprises the following steps: a. adding a concrete support (1); b. manufacturing and fastening a connecting wall body; c. building a double-row protective outer frame (8); d. erecting a supporting system; e. and (5) dismantling the support system. The support system is erected by designing a stress point of the support system, and the support system is connected into a whole by utilizing the reserved bolt hole (9) so as to facilitate construction. The problem of current structure construction safety risk that encorbelments is high, causes construction cost high is solved.
Description
Technical Field
The invention relates to a formwork support structure of a cantilever structure at a high-altitude gable part and a construction method, and belongs to the technical field of building engineering construction.
Background
In high-rise civil residential buildings and public buildings, a shear wall structure is generally adopted, and the overhanging structure is designed at the roof to increase the overall attractive effect. In the construction stage of the construction engineering main body structure, the overhanging structure is a concrete structure, the self weight is great, and the construction safety risk of the structure is high due to high-altitude operation.
For the formwork support of the cantilever structure of the roof of a high-rise building or a super high-rise building, a U-shaped ring is pre-buried in a finished structure layer of the next layer in the prior art, and cantilever steel is adopted as a supporting structure foundation to realize the formwork support of the cantilever structure.
However, by adopting the scheme, the safety risk of installing and dismantling the overhanging I-steel and erecting the frame body of the formwork support system is high, and the safety protection system has no rooting force in the construction process of the inclined roof at the upper part of the overhanging structure, so that the safety is often not ensured; the overhanging I-steel has a large leasing quantity and high construction cost; at the shear wall construction position, the overhanging I-steel needs to pass through the shear wall, and a hole is reserved on the wall body, so that leakage risk exists.
In summary, the above-mentioned inconveniences and problems exist in the known supporting mode of the roof overhanging structure template, and there is an urgent need to improve the template supporting system, improve the construction efficiency and quality, reduce the cost and reduce the safety risk.
Disclosure of Invention
The invention aims to solve the technical problems that the existing cantilever structure is high in construction, installation and dismantling, and the formwork support system frame body is high in erection safety risk, so that the construction cost is high.
The technical scheme adopted for solving the technical problems is as follows: the template supporting structure of the cantilever structure at the high-altitude gable part comprises a concrete support, a wall connecting piece, an inclined vertical rod, a transverse horizontal rod and a leveling horizontal rod, wherein the concrete support is arranged at the outer wall end of a supporting floor plate of the lower layer of the roof cantilever structure; the wall connecting piece comprises a connecting steel pipe and a screw rod, the screw rod is arranged in a reserved bolt hole on a wall body between the overhanging structure and the supporting floor board in a penetrating mode, a nut is arranged at the end of the penetrating wall body, the outer end of the screw rod is connected with the side wall of the connecting steel pipe, the other end of the connecting steel pipe is connected with a transverse horizontal rod, inclined vertical rods are arranged at radial intervals, the lower end of the inclined vertical rods are connected with a concrete support, the upper end of the inclined vertical rods are connected with a leveling horizontal rod, and the middle of the inclined vertical rods are connected with the transverse horizontal rods which are arranged at corresponding intervals.
The structure further comprises a longitudinal horizontal rod, wherein the longitudinal horizontal rod is paved on the transverse horizontal rod and is fixed at the joint of the transverse horizontal rod and the oblique vertical rod correspondingly.
In the structure, the transverse horizontal rod is connected with the connecting steel pipe through a cross fastener, and the inclined vertical rod is connected with the transverse horizontal rod through a rotary fastener.
The concrete support and the supporting floor plate in the structure are formed by casting at one time.
Wherein, be provided with U-shaped supporting bar and connecting bar in the above-mentioned structure in the concrete support, supporting bar open end one end is bent, and the end of bending is connected with the wall body reinforcing bar, and the other end is connected with supporting floor board reinforcing bar, and connecting bar interval sets up and is connected fixedly with supporting bar recess inner bottom respectively.
Wherein, in the above-mentioned structure even the wall spare still includes butterfly knot and consolidate the horizontal pipe, the butterfly knot wears to establish on the screw rod, and is located between nut and the wall body, consolidates the horizontal pipe and sets up the interval and wears to establish in the butterfly knot from top to bottom.
Wherein, in the structure, the number of the nuts is two.
The structure further comprises a double-row protection outer frame and a protective fence, wherein the double-row protection outer frame and the supporting floor board have the same elevation, and the height of the outer protection frame body is increased by 1.2-1.5 m; the guard rail comprises a guard upright rod and a guard horizontal rod, the guard upright rod is fixed at the joint of the inclined upright rod and the leveling horizontal rod, adjacent guard upright rods are connected through the guard horizontal rod, and a safety mesh net is hung on the outer side of the guard rail.
A construction method for supporting a cantilever structure template at a high altitude gable part comprises the following steps:
a. the concrete support is arranged at the outer wall end of the supporting floor plate of the next layer of the roof overhanging structure and is consistent with the elevation of the supporting floor plate;
b. manufacturing a connecting wall body, cutting a connecting steel pipe, and connecting one end of the connecting steel pipe with a screw rod through welding; the other end of the screw rod penetrates through the reserved screw rod hole, and the wall connecting piece is fastened indoors through the reinforced horizontal steel pipe, the butterfly buckle and the nut;
c. Building a double-row protection outer frame, and lifting the double-row protection outer frame of the building outer wall to support the elevation of the floor plate to serve as an overhanging support system operation platform;
d. Building a gable part overhanging structure template supporting system structure: calculating a supporting system structure, namely calculating the longitudinal and transverse distances of the inclined upright rods and the step distance of the horizontal rods according to the overhanging structure; positioning and paying off, namely marking and positioning the concrete support by the longitudinal and transverse spacing of the inclined upright rods obtained through structural stress calculation; setting up a formwork support system structure, sequentially setting up an inclined upright rod, a horizontal rod, a longitudinal horizontal rod and a scissor brace along the longitudinal direction, setting up a leveling horizontal rod at the bottom plate part of the overhanging structure, sequentially fixing the leveling horizontal rod at the inclined upright rod along the longitudinal direction, and paving a wood balk and a bottom formwork on the leveling horizontal rod;
e. Sequentially removing the template supporting structure of the safety protection railing and the overhanging structure from top to bottom after casting and forming the overhanging structure; the concrete support can be used as a decorative waist line for permanent use or manual removal.
And d, setting up a safety protection railing, fixing the protection vertical rod at the inclined vertical rod and the leveling horizontal rod, repeating the steps in the longitudinal direction, setting a plurality of protection horizontal rods, and fully hanging a safety dense mesh net on the outer side of the protection railing.
The beneficial effects of the invention are as follows: when the high-altitude overhanging structure is constructed, the supporting system and the construction method are characterized in that a supporting system stress point is designed, a supporting system is erected, and the supporting system is connected into a whole by utilizing reserved bolt holes of the structural shear wall. The material of the support system structure is common material, and the support system structure is simple to manufacture and process, convenient to install and detach and high in construction efficiency. Meanwhile, the structural stress system is stable and firm, the construction safety guarantee system is perfect, and the safety performance is high. Because the components of the structure are light, the actual construction efficiency is high, the construction period can be shortened, I-steel is not needed to be leased, the construction cost is reduced, and the resources are saved.
Drawings
FIG. 1 is a schematic view of a support structure according to the present invention.
Fig. 2 is a schematic structural view of the concrete support of the present invention.
FIG. 3 is a schematic view of the wall connecting member of the present invention.
Fig. 4 is a flow chart of the construction method of the present invention.
Marked in the figure as: 1 is a concrete support, 2 is a reinforcing structure, 21 is a supporting reinforcing bar, 22 is a connecting reinforcing bar, 3 is a connecting steel pipe, 4 is a screw, 5 is a reinforcing horizontal pipe, 6 is a butterfly buckle, 7 is a nut, 8 is a double-row protection outer frame, 9 is a reserved screw hole, 10 is an inclined vertical rod, 11 is a transverse horizontal rod, 12 is a longitudinal horizontal rod, 13 is a leveling horizontal rod, 14 is a wood balk, 15 is a bottom template, 16 is a protection vertical rod, 17 is a protection horizontal rod, 100 is a wall body, 200 is a supporting floor plate, 300 is a roof plate, and 400 is a cantilever structure.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 4, the formwork support structure of the cantilever structure at the high-altitude gable position of the invention comprises a concrete support 1, a wall connecting piece, an inclined upright rod 10, a transverse horizontal rod 11 and a leveling horizontal rod 13, wherein the concrete support 1 is arranged at the outer wall end of a supporting floor panel 200 at the next layer of a roof cantilever structure 400; the wall connecting piece comprises a connecting steel pipe 3 and a screw 4, the screw 4 is arranged in a reserved bolt hole 9 on a wall body 100 between an overhanging structure 400 and a supporting floor board 200 in a penetrating mode, a nut 7 is arranged at the end of the penetrating wall body 100, the outer end of the screw is connected with the side wall of the connecting steel pipe 3, the other end of the connecting steel pipe 3 is connected with a transverse horizontal rod 11, inclined vertical rods 10 are arranged at radial intervals, the lower end of the screw is connected with a concrete support 1, the upper end of the screw is connected with a leveling horizontal rod 13, and the middle of the screw is connected with the transverse horizontal rods 11 which are arranged at corresponding intervals. It will be appreciated by those skilled in the art that in order to achieve a stable, safe and reliable stress point for the overhanging structural support system, a concrete support 1 is designed at the level of the N-1 layer (i.e., the next layer of the floor panel 300, i.e., the supporting floor panel 200) roof gable (i.e., the outer shear wall, i.e., the wall described above) structure, and the concrete support 1 is positioned at the same level as the N-1 layer structural panel. Meanwhile, the reserved bolt holes 9 are reinforced and reserved by the wall connecting piece through the wall body 100 structure construction template, so that the reduction of the clamping hook strength of the outer shear wall is avoided. The horizontal setting of the horizontal rod 11 is realized by the setting of the wall connecting piece, specifically, the screw 4 is arranged in the reserved bolt hole 9 on the wall body 100 between the overhanging structure 400 and the supporting floor board 200 in a penetrating way, the end penetrating into the wall body 100 is provided with the nut 7, the screw 4 is positioned at the outer end of the wall body 100 and is connected with the side wall of the connecting steel pipe 3, the end of the connecting steel pipe 3 can be connected with the nut 7 by screwing, and the screw 4 is fixed by the screw 7. And the other end of the connecting steel pipe 3 is connected with a transverse horizontal rod 11, so that the transverse horizontal rod 11 is horizontally arranged, the reserved bolt holes 9 are arranged at intervals up and down, and the longitudinal direction is also arranged at intervals. The inclined vertical rods 10 are radially arranged at intervals, the lower end of the inclined vertical rods 10 is connected with the concrete support 1, the upper end of the inclined vertical rods is connected with the leveling horizontal rods 13, and the middle parts of the inclined vertical rods are respectively connected with the transverse horizontal rods 11 which are correspondingly arranged at intervals, so that a plurality of groups of inclined vertical rods 10 are longitudinally arranged at intervals, and the stability of the supporting system structure is ensured. Meanwhile, the construction operation of the cantilever structure 400 can be actually performed on the plane where the leveling horizontal rod 13 is erected.
Preferably, the structure further comprises a longitudinal horizontal rod 12, wherein the longitudinal horizontal rod 12 is paved on the transverse horizontal rod 11 and is fixed at the joint of the transverse horizontal rod 11 and the inclined upright rod 10 correspondingly. It will be appreciated by those skilled in the art that in order to ensure the supporting strength, it is actually preferable to lay the longitudinal horizontal bars 12 on the transverse horizontal bars 11, and fix the joints corresponding to the transverse horizontal bars 11 and the diagonal uprights 10, so as to ensure the fixing of the positions of the longitudinal horizontal bars 12.
Preferably, in the above structure, the transverse horizontal rod 11 is connected with the connecting steel pipe 3 by a cross fastener, and the oblique upright rod 10 is connected with the transverse horizontal rod 11 by a rotary fastener. It will be appreciated by those skilled in the art that the present structure preferably has a transverse horizontal rod 11 connected to the connecting member of the connecting steel pipe 3 and the inclined upright 10, specifically, the connecting steel pipe 3 by a cross fastener, and the inclined upright 10 by a rotary fastener.
Preferably, the concrete support 1 and the supporting floor panel 200 are formed by one-step casting in the above structure. It can be understood by those skilled in the art that in order to ensure the structural strength of the concrete support and the supporting effect, the concrete support 1 and the supporting floor board 200 are preferably cast and formed at one time, so that the rigidity, strength and stability of the support structure are increased, and a safe and reliable stress point is provided for the support system to be erected.
Preferably, in the above structure, the concrete support 1 is provided with a U-shaped supporting bar 21 and a connecting bar 22, one end of the opening end of the supporting bar 21 is bent, the bent end is connected with the steel bar of the wall 100, the other end is connected with the steel bar of the supporting floor 200, and the connecting bars 22 are arranged at intervals and are respectively connected and fixed with the bottoms of the grooves of the supporting bar 21. It can be understood by those skilled in the art that the newly added concrete support 1 is provided with a reinforcing steel bar structure 2 to ensure the structural strength thereof, specifically, a U-shaped supporting steel bar 21 and a connecting steel bar 22 are arranged in the concrete support 1, the reinforcing steel bar structure 2 is anchored in beams and plates in the supporting floor board 200 and the wall body 100, one end of the opening end of the supporting steel bar 21 is bent for convenient connection, the bending end is connected with the reinforcing steel bar of the wall body 100, the other end is connected with the reinforcing steel bar of the supporting floor board 200, and the connecting steel bars 22 are arranged at intervals and are respectively connected and fixed with the bottoms of the grooves of the supporting steel bars 21.
Preferably, in the above structure, the wall connecting member further includes a butterfly buckle 6 and a reinforced horizontal tube 5, where the butterfly buckle 6 is disposed on the screw 4 and located between the nut 7 and the wall 100, and the reinforced horizontal tube 5 is disposed in the butterfly buckle 6 at an up-down interval. It will be appreciated by those skilled in the art that in order to further ensure a compact connection between the wall connecting member and the wall 100, it is actually preferable to insert the butterfly buckle 6 between the screw rod 4 and the wall 100, and insert the reinforcing horizontal tube 5 into the butterfly buckle 6 at an upper and lower interval, so that the reinforcing horizontal tube 5 can be abutted against the inner side of the wall 100 by actually screwing the butterfly buckle 6 by screwing the screw nut 7, thereby forming an integral wall connecting member device.
Preferably, the number of the nuts 7 is two in the above structure. It will be appreciated by those skilled in the art that in order to ensure the pretension of the wall, it is actually preferable that the number of nuts 7 on the right side of each screw 4 is two, that is, the locking is achieved by the structure of the double nuts 7.
Preferably, the structure further comprises a double-row protection outer frame 8 and a protective fence, wherein the double-row protection outer frame 8 and the supporting floor board 200 have the same elevation, and the height of the outer row protection frame body is increased by 1.2-1.5 m; the guard rail comprises a guard upright pole 16 and a guard horizontal rod 17, the guard upright pole 16 is fixed at the joint of the inclined upright pole 10 and the leveling horizontal rod 13, the adjacent guard upright poles 16 are connected through the guard horizontal rod 17, and the outer side of the guard rail is fully hung with a safety mesh net. It can be understood by those skilled in the art that, in order to facilitate construction operation, it is preferable to raise the double-row protection outer frame 8 of the building outer wall to the elevation of N-1 layers, that is, the elevation of the supporting floor board 200, as an operation platform of the cantilever supporting system according to the actual construction engineering, so as to provide a safe and reliable operation environment for operators. The outer protective frame body can be actually increased by 1.2 to 1.5m to form a protective railing. Meanwhile, a protective guard is required to be arranged at the cantilever structure 400 for construction, and particularly, a protective upright rod 16 is fixed at the inclined upright rod 10 and the leveling horizontal rod 13 by utilizing a template supporting system structure of the cantilever structure 400 at the high-altitude cantilever structure 400, the steps are repeated in sequence along the longitudinal direction, a plurality of protective horizontal rods 17 are arranged, and finally, a safety mesh net is fully hung on the outer side of the protective guard, so that an integral safety guard is formed.
A construction method for supporting a cantilever structure template at a high altitude gable part comprises the following steps:
a. the concrete support 1 is newly added, and the concrete support 1 is arranged at the outer wall end of the supporting floor board 200 of the next layer of the roof overhanging structure 400 and is consistent with the elevation of the supporting floor board 200;
b. Manufacturing a connecting wall body, cutting a connecting steel pipe 3, and connecting one end of the connecting steel pipe 3 with a screw 4 through welding; the other end of the screw 4 passes through the reserved screw hole 9, and the wall connecting piece is fastened indoors through the reinforced horizontal steel pipe 5, the butterfly buckle 6 and the nut 7;
c. building a double-row protection outer frame 8, and lifting the double-row protection outer frame 8 of the building outer wall to the elevation of the supporting floor panel 200 to serve as an overhanging supporting system operation platform;
d. Building a gable part overhanging structure template supporting system structure: calculating a supporting system structure, namely calculating the longitudinal and transverse distances of the inclined upright rods 10 and the horizontal rod step distance according to the overhanging structure 400; positioning and paying off, namely marking and positioning the concrete support 1 by the longitudinal and transverse spacing of the inclined upright rods 10 obtained through structural stress calculation; setting up a formwork support system structure, sequentially setting up an inclined vertical rod 10, a horizontal rod 11, a longitudinal horizontal rod 12 and a scissor brace along the longitudinal direction, setting up a leveling horizontal rod 13 at the bottom plate part of the cantilever structure 400, sequentially fixing the leveling horizontal rod 13 on the inclined vertical rod 10 along the longitudinal direction, and paving a wood balustrade 14 and a bottom formwork 15 on the leveling horizontal rod 13;
e. Sequentially removing the safety guard rail and the template supporting structure of the overhanging structure 400 from top to bottom after casting and forming the overhanging structure 400; the concrete support 1 can be permanently used as a decorative waist line or can be manually removed. It will be appreciated by those skilled in the art that step a of the method is mainly to provide a stable, safe and reliable stress point for the cantilever structure supporting system, so that the concrete support 1 is poured at the outer wall end of the supporting floor panel 200 of the next layer of the roof cantilever structure 400 and has the same elevation as the supporting floor panel 200. And step b, in order to manufacture the wall connecting piece, fixing the transverse horizontal rod 11 is realized. In step c, in order to construct the lower end of the cantilever support system, the double-row protection outer frame 8 of the outer wall of the building is lifted to the elevation of the support floor plate 200 to serve as an operation platform of the cantilever support system. Step d is to build a support architecture, and specifically involves three points: calculating a supporting system structure, namely calculating the longitudinal and transverse distances of the inclined upright rods 10 and the horizontal rod step distance according to the overhanging structure 400; positioning and paying off, namely marking and positioning the concrete support 1 by the longitudinal and transverse spacing of the inclined upright rods 10 obtained through structural stress calculation; setting up a formwork support system structure, sequentially setting up an inclined vertical rod 10, a horizontal rod 11, a longitudinal horizontal rod 12 and a scissor support along the longitudinal direction, setting up a leveling horizontal rod 13 at the bottom plate part of the cantilever structure 400, sequentially fixing the leveling horizontal rod 13 on the inclined vertical rod 10 along the longitudinal direction, paving a wood balk 14 and a bottom formwork 15 on the leveling horizontal rod 13, and then pouring the cantilever structure 400. Step e involves dismantling the support structure and disposing the concrete support 1, and can be practically confirmed by a relevant party (a construction unit or a design unit) that the concrete support 1 is permanently reserved or manually removed as a decorative waistline.
Preferably, in the above method, the step d further includes setting up a safety guard rail, fixing the guard upright 16 at the inclined upright 10 and the leveling horizontal 13, repeating the steps in the longitudinal direction, setting up a plurality of guard horizontal 17, and fully hanging a safety mesh net outside the guard rail. It will be appreciated by those skilled in the art that, in order to increase the protection effect, it is actually preferable to further set up a safety guard rail, fix the guard upright 16 at the inclined upright 10 and the leveling horizontal 13, repeat the steps in the longitudinal direction, set up a plurality of guard horizontal 17, and fully hang a safety mesh net outside the guard rail.
Claims (10)
1. The utility model provides a high altitude gable position structure template bearing structure that encorbelments which characterized in that: the concrete support (1) is arranged at the outer wall end of a supporting floor plate (200) of the lower layer of a roof overhanging structure (400); the wall connecting piece comprises a connecting steel pipe (3) and a screw rod (4), wherein the screw rod (4) is arranged in a reserved bolt hole (9) in a penetrating manner on a wall body (100) between an overhanging structure (400) and a supporting floor plate (200), a nut (7) is arranged at the end of the penetrating wall body (100), the outer end of the screw rod is connected with the side wall of the connecting steel pipe (3), the other end of the connecting steel pipe (3) is connected with a transverse horizontal rod (11), inclined upright rods (10) are arranged at radial intervals, the lower end of the inclined upright rods is connected with a concrete support (1), the upper end of the inclined upright rods is connected with a leveling horizontal rod (13), and the middle of the inclined upright rods is connected with the transverse horizontal rods (11) which are arranged at corresponding intervals.
2. The high altitude gable portion overhanging structure formwork support structure of claim 1, wherein: the vertical rod (12) is paved on the transverse horizontal rod (11), and the connection part between the vertical rod (12) and the transverse horizontal rod (11) and the inclined vertical rod (10) are fixed correspondingly.
3. The high altitude gable portion overhanging structure formwork support structure of claim 1, wherein: the transverse horizontal rod (11) is connected with the connecting steel pipe (3) by a cross fastener, and the inclined vertical rod (10) is connected with the transverse horizontal rod (11) by a rotary fastener.
4. The high altitude gable portion overhanging structure formwork support structure of claim 1, wherein: the concrete support (1) and the supporting floor plate (200) are formed by casting at one time.
5. The high altitude gable portion overhanging structure formwork support structure of claim 1, wherein: the concrete support (1) is internally provided with U-shaped supporting steel bars (21) and connecting steel bars (22), one end of the opening end of each supporting steel bar (21) is bent, the bent end is connected with a wall (100) steel bar, the other end of each supporting steel bar is connected with a supporting floor (200) steel bar, and the connecting steel bars (22) are arranged at intervals and are respectively fixedly connected with the bottoms of grooves of the supporting steel bars (21).
6. The high altitude gable portion overhanging structure formwork support structure of claim 1, wherein: the wall connecting piece further comprises a butterfly buckle (6) and a reinforced horizontal pipe (5), wherein the butterfly buckle (6) is arranged on the screw rod (4) in a penetrating mode and is located between the nut (7) and the wall body (100), and the reinforced horizontal pipe (5) is arranged in the butterfly buckle (6) in a penetrating mode at an upper-lower interval.
7. The high altitude gable portion overhanging structure formwork support structure of claim 1, wherein: the number of the nuts (7) is two.
8. The high altitude gable portion overhanging structure formwork support structure of claim 1, wherein: the double-row protective outer frame (8) and the protective rail are also included, the double-row protective outer frame (8) and the supporting floor plate (200) have the same elevation, and the height of the outer protective frame body is increased by 1.2 to 1.5m; the guard rail comprises a guard vertical rod (16) and a guard horizontal rod (17), the guard vertical rod (16) is fixed at the joint of the inclined vertical rod (10) and the leveling horizontal rod (13), the adjacent guard vertical rods (16) are connected through the guard horizontal rod (17), and the outer side of the guard rail is fully hung with a safety mesh net.
9. A construction method for supporting a cantilever structure template at a high altitude gable part is characterized by comprising the following steps:
a. The concrete support (1) is additionally arranged at the outer wall end of the supporting floor plate (200) of the next layer of the roof overhanging structure (400), and the elevation of the concrete support (1) is consistent with that of the supporting floor plate (200);
b. Manufacturing a connecting wall body, cutting a connecting steel pipe (3), and connecting one end of the connecting steel pipe (3) with a screw rod (4) through welding; the other end of the screw rod (4) passes through a reserved screw rod hole (9), and the wall connecting piece is fastened indoors through a reinforced horizontal steel pipe (5), a butterfly buckle (6) and a nut (7);
c. building a double-row protection outer frame (8), and lifting the double-row protection outer frame (8) of the building outer wall to the elevation of a supporting floor plate (200) to serve as an overhanging supporting system operation platform;
d. Building a gable part overhanging structure template supporting system structure: calculating a supporting system structure, namely calculating the longitudinal and transverse distances of the inclined upright rods (10) and the step distance of the horizontal rods according to the overhanging structure (400); positioning and paying off, namely marking and positioning the concrete support (1) at the longitudinal and transverse intervals of the inclined upright rods (10) obtained through structural stress calculation; setting up a template supporting system structure, sequentially setting up an inclined vertical rod (10), a horizontal rod (11), a longitudinal horizontal rod (12) and a scissor brace along the longitudinal direction, setting up a leveling horizontal rod (13) at the bottom plate part of the cantilever structure (400), sequentially fixing the leveling horizontal rod (13) on the inclined vertical rod (10) along the longitudinal direction, and paving a wood balk (14) and a bottom template (15) on the leveling horizontal rod (13);
e. Sequentially removing the template supporting structures of the safety guard rail and the overhanging structure (400) from top to bottom after casting and forming the overhanging structure (400); the concrete support (1) can be used as a decorative waist line for permanent use or manual removal.
10. The construction method for supporting the cantilever structure template at the high-altitude gable position according to claim 9, which is characterized by comprising the following steps: and d, setting up a safety protection railing, fixing a protection upright rod (16) at the inclined upright rod (10) and the leveling horizontal rod (13), repeating the steps in the longitudinal direction, setting a plurality of protection horizontal rods (17), and fully hanging a safety mesh net outside the protection railing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410474821.2A CN118128296A (en) | 2024-04-19 | 2024-04-19 | Cantilever structure formwork supporting structure at high-altitude gable part and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410474821.2A CN118128296A (en) | 2024-04-19 | 2024-04-19 | Cantilever structure formwork supporting structure at high-altitude gable part and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118128296A true CN118128296A (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410474821.2A Pending CN118128296A (en) | 2024-04-19 | 2024-04-19 | Cantilever structure formwork supporting structure at high-altitude gable part and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118128296A (en) |
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2024
- 2024-04-19 CN CN202410474821.2A patent/CN118128296A/en active Pending
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