CN114704016B - Construction method of large-inclination-angle inclined roof profiled steel sheet with dome structure - Google Patents
Construction method of large-inclination-angle inclined roof profiled steel sheet with dome structure Download PDFInfo
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- CN114704016B CN114704016B CN202210222534.3A CN202210222534A CN114704016B CN 114704016 B CN114704016 B CN 114704016B CN 202210222534 A CN202210222534 A CN 202210222534A CN 114704016 B CN114704016 B CN 114704016B
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- guide rail
- steel sheet
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- profiled steel
- arc
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- 238000010276 construction Methods 0.000 title claims abstract description 84
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 77
- 239000010959 steel Substances 0.000 title claims abstract description 77
- 241000282326 Felis catus Species 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 10
- 230000009193 crawling Effects 0.000 claims description 8
- 230000009194 climbing Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 abstract description 4
- 238000007796 conventional method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000009435 building construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/08—Vaulted roofs
- E04B7/10—Shell structures, e.g. of hyperbolic-parabolic shape; Grid-like formations acting as shell structures; Folded structures
- E04B7/102—Shell structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/167—Tools or apparatus specially adapted for working-up plates, panels or slab shaped building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G27/00—Temporary arrangements for giving access from one level to another for men or vehicles, e.g. steps, ramps
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a construction method of a large-inclination-angle inclined roof profiled steel sheet of a dome structure, which is characterized in that under the condition that the whole dome structure is hemispherical and a scaffold is inconvenient to set up in the whole dome structure for construction, a supporting frame is set up on a steel structure of the dome structure to erect an arc-shaped cat ladder and a fixed pulley, and the profiled steel sheet is hoisted by the fixed pulley, so that the construction efficiency of workers is improved, the construction measure cost is reduced, the construction safety is ensured, and the construction cost is saved. The invention solves the problem that the dome structure can not be provided with the profiled steel sheet of the composite floor by adopting a conventional method.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a construction method of a large-inclination-angle inclined roof profiled steel sheet with a dome structure.
Background
In the construction of steel structures, the floor slab is usually a composite floor slab containing profiled steel sheets. In the installation of profiled steel sheets for composite floor slabs, there is a method of installing profiled steel sheets on steel beams by erecting a scaffold or a worker's direct connection station. However, when the roof is in a dome structure and is in a large inclination angle state, the conventional method is inconvenient for construction.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of Invention
In order to overcome the defects in the prior art, a construction method of a large-inclination-angle inclined roof profiled steel sheet of a dome structure is provided, so that the problem that the dome structure cannot be provided with the profiled steel sheet of a composite floor by adopting a conventional method is solved.
In order to achieve the above purpose, a construction method of a large-inclination angle pitched roof profiled steel sheet of a dome structure is provided, the steel structure of the dome structure is hemispherical, and the construction method of the large-inclination angle pitched roof profiled steel sheet of the dome structure comprises the following steps:
a. dividing the outer side surface of the steel structure into a plurality of construction areas along the circumferential direction of the steel structure, and dividing the pitched roof plate of the construction area into a plurality of roofing profiled steel sheets;
b. A supporting frame is arranged on the upper part of the outer side surface of the steel structure of the construction area, a first guide rail and a second guide rail which are arranged below the first guide rail are arranged on the upper part of the supporting frame, and the first guide rail and the second guide rail are arranged along the cross width direction of the construction area and are arranged in the same direction;
c. An arc-shaped crawling ladder is arranged in the construction area, the arc-shaped crawling ladder is arranged along the length direction of the construction area, the upper end of the arc-shaped crawling ladder is arranged on the first guide rail in a sliding mode, and accordingly the lower end of the arc-shaped crawling ladder is a floor below the steel structure;
d. A fixed pulley is movably arranged on the second guide rail, and a sling is wound around the fixed pulley;
e. Moving the arc-shaped climbing ladder and the fixed pulley to a mounting point at the upper part of the construction area respectively, and connecting the roof profiled steel sheet corresponding to the mounting point to one end of the sling;
f. The other end of the sling is rolled, and the roof profiled steel sheet is hoisted to the mounting point from the floor along the outer side surface of the steel structure;
g. The constructor uses the arc-shaped cat ladder as a working platform to fixedly install the roofing profiled steel sheet at the installation point;
h. and e, repeating the steps e-g to finish the installation of the pitched roof plate in the construction area from top to bottom, and then installing the pitched roof plate in the next construction area.
Further, the support frame is characterized by comprising two upper vertical rods which are oppositely arranged, wherein the two upper vertical rods are respectively arranged on two opposite sides of the construction area, and the first guide rail and the second guide rail are respectively connected between the two upper vertical rods.
Further, the upper end of the arc-shaped ladder is connected with an upper hoop, the upper hoop is movably sleeved on the upper guide rail, an upper roller is arranged between the upper guide rail and the inner wall of the upper part of the upper hoop, and the upper roller is rotatably arranged on the inner wall of the upper hoop.
Further, the middle part of the outer side face of the steel structure of the construction area is provided with a third guide rail, the third guide rail and the first guide rail are arranged in the same direction, the middle part of the cat ladder is provided with a middle roller, and the middle roller is arranged on the third guide rail in a sliding mode.
Further, the device is characterized in that a rod sleeve is movably sleeved outside the second guide rail, and the fixed pulley is mounted on the second guide rail.
Further, the radian of the arc-shaped climbing ladder is adapted to the radian of the side face of the steel structure in the construction area.
Further, the bottom of the arc-shaped cat ladder is provided with a lower roller, and the floor is supported by the lower roller.
The construction method for the large-inclination-angle inclined roof profiled steel sheet with the dome structure has the advantages that under the condition that the whole dome structure is hemispherical and a scaffold is inconvenient to set up in the dome structure for construction, the arc-shaped ladder stand and the fixed pulleys are set up on the steel structure of the dome structure, the profiled steel sheet is hoisted by the fixed pulleys, the construction efficiency of workers is improved, the construction measure cost is reduced, the construction safety is ensured, the construction cost is saved, and the structural characteristics, the site limitation, the mechanical configuration limitation and other factors are fully considered, so that the construction process is simpler and the safety is higher.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:
Fig. 1 is a schematic structural view of a steel structure of a dome structure according to an embodiment of the present invention.
Fig. 2 is a schematic view of a steel structure in a construction area according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of an arc-shaped ladder according to an embodiment of the invention.
Fig. 4 is a schematic structural view of an upper end of an arc-shaped ladder according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of the middle part of the arc-shaped ladder according to the embodiment of the invention.
Fig. 6 is a schematic view showing a state of hoisting and installing a profiled steel sheet according to an embodiment of the invention.
Detailed Description
The application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the application are shown in the drawings.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1 and 2, the steel structure 1 of the dome structure has a hemispherical shape. The steel structure is installed at the upper portion of the floor 11. During construction, the pitched roof plate is installed on the outer side surface of the steel structure.
Referring to fig. 2 to 6 again, the present invention provides a construction method of a large-inclination-angle pitched roof profiled steel sheet of a dome structure, comprising the steps of:
a. The outer side surface of the steel structure 1 is divided into a plurality of construction areas 10 along the circumferential direction of the steel structure 1, and the pitched roof panel of the construction area 10 is divided into a plurality of roofing profiled steel sheets 12.
In the present embodiment, the steel structure is regarded as one hemispherical structure, and the steel structure is divided into a plurality of construction areas 10 along the warp direction of the hemispherical structure. The width of each construction area gradually decreases from bottom to top. Further, the plurality of construction areas are equally divided.
B. A support frame is installed on the upper portion of the outer side surface of the steel structure 1 of a construction area 10, a first guide rail 22 and a second guide rail 23 arranged below the first guide rail 22 are installed on the upper portion of the support frame, and the first guide rail 22 and the second guide rail 23 are arranged along the cross width direction of the construction area 10 and are arranged in the same direction.
The plurality of construction areas can be constructed one by one along the circumferential direction of the steel structure, and the plurality of construction areas can also be constructed at the same time.
Specifically, the installation of a pitched roof panel constructed to a your area will be described in detail as an example.
A support frame is installed on the upper portion of the outer side surface of the steel structure 1 of a construction area 10, a first guide rail 22 and a second guide rail 23 arranged below the first guide rail 22 are installed on the upper portion of the support frame, and the first guide rail 22 and the second guide rail 23 are arranged along the cross width direction of the construction area 10 and are arranged in the same direction.
Specifically, the support comprises two upper uprights 21 arranged opposite to each other. The two upper uprights 21 are respectively provided at opposite sides of the upper end of the construction area 10. The first rail 22 and the second rail 23 are respectively connected between the two upper uprights 21.
C. an arc-shaped cat ladder 3 is arranged in the construction area 10, the arc-shaped cat ladder 3 is arranged along the length direction of the construction area 10, the upper end of the arc-shaped cat ladder 3 is slidably arranged on the first guide rail 22, and the lower end of the arc-shaped cat ladder 3 is enabled to be the floor 11 below the steel structure 1.
Referring to fig. 2 to 4, an upper ferrule 31 is connected to the upper end of the arc-shaped ladder 3 when the arc-shaped ladder is installed. The upper ferrule 31 is movably sleeved on the first guide rail. An upper roller 32 is provided between the first rail and the upper inner wall of the upper ferrule 31. An upper roller 32 is rotatably mounted to the inner wall of the upper ferrule 31.
In this embodiment, the circumferential surface of the upper roller is provided with a limit groove, and the first guide rail is a circular rod. The first guide rail is movably embedded in the limit groove.
As a preferred embodiment, the curvature of the curved ramp 3 is adapted to the curvature of the side of the steel structure 1 in the construction area 10. The bottom of the arc-shaped cat ladder 3 is provided with a lower roller. The floor 11 is supported on the lower rollers.
As a preferred embodiment, a third guide rail 24 is provided in the middle of the outer side of the steel structure 1 of a construction area 10. The third rail 24 is disposed in the same direction as the first rail 22. The middle part of the cat ladder 3 is provided with a middle roller. The middle roller is slidably arranged on the third guide rail 24.
Specifically, a lower ferrule 33 is connected to the middle of the arc-shaped ladder 3. The lower ferrule 33 is movably sleeved on the third guide rail. A middle roller 34 is provided between the third rail and the upper inner wall of the lower ferrule 33. The middle roller 34 is rotatably mounted to the inner wall of the lower ferrule 33.
D. A fixed pulley 4 is movably mounted on the second rail 23, and a sling is wound around the fixed pulley 4.
In particular, referring to fig. 2 and 6, the second rail 23 is movably sleeved with a rod sleeve at the outside thereof. The fixed sheave 4 is mounted to the second guide rail 23.
In this embodiment, a roller is disposed between the upper portion of the second rail and the upper inner wall of the sleeve, and the roller is rotatably mounted in the sleeve. The second guide rail is a circular rod (i.e., a rod with a circular cross section). The circumference surface of the roller is provided with a limit groove, and the second guide rail is movably embedded in the limit groove of the roller.
E. The arc-shaped cat ladder 3 and the fixed pulley 4 are respectively moved to a mounting point at the upper portion of the construction area 10, and the roofing profiled steel sheet 12 corresponding to the mounting point is connected to one end of the sling.
After a certain installation point, the arc-shaped cat ladder 3 and the fixed pulley 4 are respectively moved to an attachment of an installation point at the upper part of the construction area 10, so that construction personnel can work. A roofing profiled steel sheet 12 corresponding to the mounting point is then attached to one end of the sling.
F. And the other end of the winding sling is used for hoisting the roofing profiled steel sheet to the mounting point from the floor 11 along the outer side surface of the steel structure 1.
G. the constructor uses the arc-shaped cat ladder 3 as a working platform to fixedly install the roof profiled steel sheet at the installation point.
H. And e, repeating the steps e-g to finish the installation of the pitched roof panel in one construction area 10 from top to bottom, and then installing the pitched roof panel in the next construction area 10.
According to the construction method of the large-inclination-angle pitched roof profiled steel sheet of the dome structure, under the conditions that the whole dome structure is hemispherical and a scaffold is inconvenient to set up in the dome structure for construction, the arc-shaped ladder stand and the fixed pulleys are set up on the steel structure of the dome structure, the profiled steel sheet is hoisted by the fixed pulleys, the construction efficiency of workers is improved, the construction measure cost is reduced, the construction safety is ensured, the construction cost is saved, the factor limitations such as structural characteristics, site limitations and mechanical configuration are fully considered, the construction process is simpler, and the safety is higher.
The above description is only illustrative of the preferred embodiments of the present application and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the application referred to in the present application is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present application (but not limited to) having similar functions are replaced with each other.
Claims (7)
1. The construction method of the large-inclination-angle pitched roof profiled steel sheet of the dome structure is characterized in that the steel structure of the dome structure is hemispherical, and the construction method of the large-inclination-angle pitched roof profiled steel sheet of the dome structure comprises the following steps:
a. dividing the outer side surface of the steel structure into a plurality of construction areas along the circumferential direction of the steel structure, and dividing the pitched roof plate of the construction area into a plurality of roofing profiled steel sheets;
b. A supporting frame is arranged on the upper part of the outer side surface of the steel structure of the construction area, a first guide rail and a second guide rail which are arranged below the first guide rail are arranged on the upper part of the supporting frame, and the first guide rail and the second guide rail are arranged along the cross width direction of the construction area and are arranged in the same direction;
c. An arc-shaped crawling ladder is arranged in the construction area, the arc-shaped crawling ladder is arranged along the length direction of the construction area, the upper end of the arc-shaped crawling ladder is arranged on the first guide rail in a sliding mode, and accordingly the lower end of the arc-shaped crawling ladder is a floor below the steel structure;
d. A fixed pulley is movably arranged on the second guide rail, and a sling is wound around the fixed pulley;
e. Moving the arc-shaped climbing ladder and the fixed pulley to a mounting point at the upper part of the construction area respectively, and connecting the roof profiled steel sheet corresponding to the mounting point to one end of the sling;
f. The other end of the sling is rolled, and the roof profiled steel sheet is hoisted to the mounting point from the floor along the outer side surface of the steel structure;
g. The constructor uses the arc-shaped cat ladder as a working platform to fixedly install the roofing profiled steel sheet at the installation point;
h. and e, repeating the steps e-g to finish the installation of the pitched roof plate in the construction area from top to bottom, and then installing the pitched roof plate in the next construction area.
2. The construction method of a large-inclination-angle pitched roof profiled steel sheet for a dome structure according to claim 1, wherein the supporting frame comprises two upper uprights oppositely arranged, the two upper uprights are respectively arranged at two opposite sides of the construction area, and the first guide rail and the second guide rail are respectively connected between the two upper uprights.
3. The construction method of the large-inclination-angle pitched roof profiled steel sheet with the dome structure according to claim 2, wherein an upper hoop is connected to the upper end of the arc-shaped ladder, the upper hoop is movably sleeved on the first guide rail, an upper roller is arranged between the first guide rail and the upper inner wall of the upper hoop, and the upper roller is rotatably mounted on the inner wall of the upper hoop.
4. The construction method of the large-inclination-angle pitched roof profiled steel sheet with the dome structure according to claim 3, wherein a third guide rail is erected in the middle of the outer side face of the steel structure of the construction area, the third guide rail and the first guide rail are arranged in the same direction, a middle roller is mounted in the middle of the ladder stand, and the middle roller is slidably arranged on the third guide rail.
5. The construction method of a large-inclination-angle pitched roof profiled steel sheet for a dome structure according to claim 1, wherein the second guide rail is movably sleeved with a rod sleeve at the outside thereof, and the fixed pulley is mounted on the second guide rail.
6. The construction method of a large-inclination-angle pitched roof profiled steel sheet for a dome structure according to claim 1, wherein the radian of the arc-shaped ladder is adapted to the radian of the side surface of the steel structure in the construction area.
7. The construction method for a large-inclination-angle pitched roof profiled steel sheet with a dome structure according to claim 6, wherein a lower roller is installed at the bottom end of the arc-shaped cat ladder, and the floor is supported on the lower roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210222534.3A CN114704016B (en) | 2022-03-09 | 2022-03-09 | Construction method of large-inclination-angle inclined roof profiled steel sheet with dome structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210222534.3A CN114704016B (en) | 2022-03-09 | 2022-03-09 | Construction method of large-inclination-angle inclined roof profiled steel sheet with dome structure |
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| CN114704016A CN114704016A (en) | 2022-07-05 |
| CN114704016B true CN114704016B (en) | 2024-05-10 |
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| CN202210222534.3A Active CN114704016B (en) | 2022-03-09 | 2022-03-09 | Construction method of large-inclination-angle inclined roof profiled steel sheet with dome structure |
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| CN114704016A (en) | 2022-07-05 |
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