CN112942845B - Method for mounting special-shaped steel structure - Google Patents
Method for mounting special-shaped steel structure Download PDFInfo
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- CN112942845B CN112942845B CN202110135373.XA CN202110135373A CN112942845B CN 112942845 B CN112942845 B CN 112942845B CN 202110135373 A CN202110135373 A CN 202110135373A CN 112942845 B CN112942845 B CN 112942845B
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- edge sealing
- sealing structure
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- 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
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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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/34—Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability
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- Mechanical Engineering (AREA)
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- Electromagnetism (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to an installation method of a special-shaped steel structure, wherein the special-shaped steel structure comprises a column body which is vertically fixed on the ground, an edge sealing structure which is horizontally fixed at the top of the column body, and a window body which covers the top of the edge sealing structure, and the installation method comprises the following steps: assembling to form a sealing edge structure, and lifting the assembled sealing edge structure upwards to leave a construction space below the sealing edge structure; assembling to form a window body, and hoisting the window body to the edge sealing structure for fixing; meanwhile, in the period, the construction of the column body is carried out on the ground below the construction space; and hoisting the edge sealing structure and the window body together to a preset installation position, and meanwhile, continuously constructing the column body in the period, and fixedly connecting the top of the column body with the edge sealing structure to finish installation. According to the invention, the assembled edge sealing structure is lifted upwards, so that a construction space is reserved below the edge sealing structure; during the construction of the window body, the columns can be synchronously constructed in the construction space, and the efficiency is improved by a plurality of processes.
Description
Technical Field
The invention relates to the field of building construction, in particular to a mounting method of a special-shaped steel structure.
Background
The installation method of the large-scale special-shaped hyperbolic steel structure comprises the steps of installing a lotus column in a lower space in a segmented mode, installing lotus petals on the top of the lotus column, installing an edge sealing truss on the top of the lotus petals, and finally installing a skylight on the edge sealing truss, so that the lotus-shaped modeling is realized.
However, in the normal installation construction from bottom to top, it is necessary to ensure that the lotus post at the lower part is installed in place and corrected, then the upper lotus petal can be installed, time is required for setting up a full hall scaffold to install the upper edge-sealing truss and the skylight, each step can be performed after the previous steps are completed, and the construction period is long and the cost is high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a method for installing a special-shaped steel structure, and solves the problems that in the prior art, positive-sequence installation from bottom to top can be performed after the previous steps are finished, and the construction period is long.
The technical scheme for realizing the purpose is as follows:
the invention provides an installation method of a special-shaped steel structure, wherein the special-shaped steel structure comprises a column body which is vertically fixed on the ground, an edge sealing structure which is horizontally fixed at the top of the column body, and a window body which covers the top of the edge sealing structure, and the installation method comprises the following steps:
s1: assembling to form a sealing edge structure, and lifting the assembled sealing edge structure upwards to leave a construction space below the sealing edge structure;
s2: assembling to form a window body, and hoisting the window body to the edge sealing structure for fixing; meanwhile, in the period, the construction of the column body is carried out on the ground below the construction space;
s3: and hoisting the edge sealing structure and the window body together to a preset installation position, meanwhile, continuously constructing the column body in the period, and fixedly connecting the top of the column body with the edge sealing structure to finish installation.
The mounting method of the special-shaped steel structure is further improved in that the step S1 further comprises the following steps:
a plurality of lifting frames positioned around the edge sealing structure are vertically arranged on the ground, and a hydraulic lifting device is arranged at the top of each lifting frame;
and connecting the hydraulic lifting device with the assembled edge sealing structure, and adopting the hydraulic lifting device to lift the edge sealing structure upwards to a first position.
The mounting method of the special-shaped steel structure is further improved in that the step S2 further comprises the following steps:
assembling the window on a floor near the first position;
and hoisting the window body to the edge sealing structure at the first position by adopting a truck crane on a floor near the first position.
The further improvement of the mounting method of the special-shaped steel structure is that the step S3 further comprises the following steps: and hoisting the edge sealing structure at the first position and the window body to a preset installation position together by adopting the hydraulic lifting device.
The further improvement of the mounting method of the special-shaped steel structure is that the step S3 further comprises the following steps:
providing a pulley lifting hook, a winch and a fixed pulley, hooking the pulley lifting hook on a sealing edge structure positioned at a preset installation position, arranging the winch on the ground, fixing the fixed pulley on the ground and between the winch and the pulley lifting hook, and winding a lifting rope of the winch on the fixed pulley and the pulley lifting hook;
connecting the top structure of the column to be installed with a pulley hook;
and the hoisting rope is retracted through the winch, so that the top structure of the column body is lifted upwards to a proper position.
The mounting method of the special-shaped steel structure has the beneficial effects that:
according to the invention, the assembled edge sealing structure is lifted upwards, so that a construction space is reserved below the edge sealing structure; during the construction window body, the columns can be synchronously constructed in the construction space, a plurality of working procedures are reduced simultaneously, and the efficiency is improved. The window body is assembled on the floor near the edge sealing structure, the distance is short, and the window body and the edge sealing structure are conveniently assembled and installed. When the top of construction cylinder, because the distance of roof structure and banding structure is close, adopt the banding structure of having installed as the hoisting point, need not extra crane, adopt the hoist engine to be convenient for control regulation hoist and mount position, construct convenient according to local conditions.
Drawings
Fig. 1 is a structural view of a deformed steel structure in the method for installing a deformed steel structure according to the present invention.
Fig. 2 to 5 are schematic diagrams of construction steps of the installation method of the profiled steel structure of the invention.
Fig. 6 is a schematic view of a hoisting structure of the installation method of the special-shaped steel structure.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Fig. 1 is a structural view of a deformed steel structure according to the method for installing the deformed steel structure of the present invention. Referring to fig. 1, the special-shaped steel structure is in a lotus shape, and specifically includes a column 10 vertically fixed on the ground 1, an edge sealing structure 20 horizontally fixed on the top of the column 10, and a window 30 covering the top of the edge sealing structure 20. The column body 10 comprises four lotus leaf columns, and the tops of the lotus leaf columns are provided with corresponding lotus petals. The edge banding structure 20 is a truss structure with a hollowed-out middle part. The window 30 is correspondingly covered at the hollow part in the middle of the edge sealing structure 20, so that lighting is facilitated.
Referring to fig. 2 to 5, construction steps of the installation method of the profiled steel structure of the present invention are schematically shown. Referring to fig. 1 to 5, the method for installing the special-shaped steel structure of the present invention includes the following steps: s1: assembling to form a sealing edge structure 20, and hoisting the assembled sealing edge structure 20 upwards to leave a construction space below the sealing edge structure 20; the column 10 can be constructed in the construction space at the same time during subsequent construction of the window body 30, and construction of a plurality of processes is carried out in the same time period, so that the efficiency is improved, and the construction period is shortened.
As a preferred embodiment of the method for installing a profiled steel structure according to the present invention, the step S1 further includes: a plurality of lifting frames 40 positioned around the edge sealing structure 20 are vertically arranged on the ground, and the top of each lifting frame 40 is provided with a hydraulic lifting device 41; and connecting the hydraulic lifting devices 41 with the assembled edge sealing structure 20, and horizontally lifting the edge sealing structure 20 upwards to a first position by adopting a plurality of hydraulic lifting devices 41.
In this example, the first position is a floor level position of 17.25 m. The edge banding structure 20 is firstly hoisted to the elevation position of the floor of 17.25m, so that the subsequent window 30 can be conveniently installed on the edge banding structure 20.
S2: assembling to form a window body 30, and hoisting the window body 30 to the edge sealing structure 20 for fixing; meanwhile, in this period, the construction of the column 10 is performed on the ground below the construction space; when the window body 30 is constructed, the column body 10 is constructed under the truss, and multiple constructions are carried out simultaneously without mutual influence and the efficiency is improved.
As a preferred embodiment of the method for installing a profiled steel structure according to the present invention, step S2 further includes: assembling the window 30 on the floor near the first position; a construction space for assembling the window body 30 is provided at a floor near the first position; a truck crane is used to hoist the window 30 to the edge banding 20 at the first location on a floor near the first location. The positions of the assembled window body 30 and the edge sealing structure 20 at the first position are close, the moving distance is short, and the construction is convenient.
S3: and hoisting the edge banding structure 20 and the window body 30 together to a preset installation position, and meanwhile, continuing to construct the column body 10 in the period, and fixedly connecting the top of the column body 10 and the edge banding structure 20 to finish installation.
As a preferred embodiment of the method for installing a profiled steel structure according to the present invention, step S3 further includes: the edge banding structure 20 and the window 30 at the first position are hoisted together to a preset installation position using a hydraulic lifting device 41. After the edge sealing structure 20 and the window body 30 are assembled, the whole is hoisted to the installation position by using a truck crane at the floor of 17.25m to be fixed.
The column 10 is constructed in sections. In this embodiment, the column 10 is constructed in three sections. The corresponding unit sections of the column 10 are first spliced on the ground. And then splicing and fixing the unit sections.
As a preferred embodiment of the method for installing the special-shaped steel structure of the present invention, refer to fig. 6, which is a schematic view of a hoisting structure of the method for installing the special-shaped steel structure of the present invention. As shown in fig. 6, step S3 further includes: providing a pulley hook 50, a winch 51 and a fixed pulley 52, hanging the pulley hook 50 on the edge sealing structure 20 which is already positioned at a preset installation position, arranging the winch 51 on the ground, fixing the fixed pulley 52 on the ground and between the winch 51 and the pulley hook 50, and winding a lifting rope 510 of the winch 51 on the fixed pulley 52 and the pulley hook 50; connecting the top structure 11 of the column 10 to be installed with the pulley hook 50; the lifting rope 510 is retracted by the hoist 51 to lift the top structure 11 of the column 10 up into position.
When the top of the column body 10 is constructed, the distance between the top of the column body and the bottom of the edge sealing structure 20 is less than 80cm, the distance is too small, the hoisting condition is not met, and hoisting is difficult to be carried out by adopting a hanger crane and the like. The present invention uses the pulley hook 50 mounted to the in-place closeout 20 as a lifting structure, the fixed pulley 52 mounted to the ground to change the direction of the lifting rope 510, and the hoist 51 retracting the lifting rope 510 to lift the roof structure 11 upwardly. This lifting is suitable for use in construction environments where the distance between the bottom of the edge banding structure 20 and the roof structure 11 to be installed is small.
When the top structures 11 of the columns 10 at different positions are installed, the winch 51 is installed at the sealing edge structure 20 above the corresponding position to facilitate vertical lifting and avoid collision with other structures.
The mounting method of the special-shaped steel structure has the beneficial effects that:
according to the invention, the assembled edge sealing structure is lifted upwards, so that a construction space is reserved below the edge sealing structure; during the construction window body, the columns can be synchronously constructed in the construction space, a plurality of working procedures are reduced simultaneously, and the efficiency is improved. The window body is assembled on the floor near the edge sealing structure, the distance is short, and the window body and the edge sealing structure are conveniently assembled and installed. When the top of construction cylinder, because the distance of roof structure and banding structure is close, adopt the banding structure of having installed as the hoisting point, need not extra crane, adopt the hoist engine to be convenient for control regulation hoist and mount position, construct convenient according to local conditions.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (3)
1. The installation method of the special-shaped steel structure comprises the following steps of vertically arranging a column body fixed on the ground, horizontally fixing a sealing edge structure at the top of the column body, and covering a window body at the top of the sealing edge structure:
s1: assembling to form a sealing edge structure, and lifting the assembled sealing edge structure upwards to leave a construction space below the sealing edge structure;
s2: assembling to form a window body, and hoisting the window body to the edge sealing structure for fixing; meanwhile, in the period, the construction of the column body is carried out on the ground below the construction space;
s3: hoisting the edge sealing structure and the window body together to a preset installation position, meanwhile, continuously constructing the column body in the period, and fixedly connecting the top of the column body with the edge sealing structure to finish installation;
the step S1 further includes:
a plurality of lifting frames positioned around the edge sealing structure are vertically arranged on the ground, and a hydraulic lifting device is arranged at the top of each lifting frame;
connecting the hydraulic lifting device with the assembled edge sealing structure, and lifting the edge sealing structure upwards to a first position by adopting the hydraulic lifting device;
step S2 further includes:
assembling the window on a floor near the first position;
and hoisting the window body to the edge sealing structure at the first position by adopting a truck crane on a floor near the first position.
2. The method for installing the profiled steel structure as claimed in claim 1, wherein the step S3 further comprises: and hoisting the edge sealing structure at the first position and the window body together to a preset installation position by adopting the hydraulic lifting device.
3. The method for installing the profiled steel structure as claimed in claim 1, wherein the step S3 further comprises:
providing a pulley lifting hook, a winch and a fixed pulley, hooking the pulley lifting hook on a sealing edge structure positioned at a preset installation position, arranging the winch on the ground, fixing the fixed pulley on the ground and between the winch and the pulley lifting hook, and winding a lifting rope of the winch on the fixed pulley and the pulley lifting hook;
connecting the top structure of the column to be installed with a pulley hook;
and the hoisting rope is retracted through the winch, so that the top structure of the column body is lifted upwards to a proper position.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110135373.XA CN112942845B (en) | 2021-02-01 | 2021-02-01 | Method for mounting special-shaped steel structure |
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| CN202110135373.XA CN112942845B (en) | 2021-02-01 | 2021-02-01 | Method for mounting special-shaped steel structure |
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| CN112942845A CN112942845A (en) | 2021-06-11 |
| CN112942845B true CN112942845B (en) | 2022-10-18 |
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Effective date of registration: 20230224 Address after: Area a, 1 / F, building 104, No. 1-30, Lane 88, Minbei Road, Minhang District, Shanghai, 201107 Patentee after: China Construction Eighth Engineering Bureau General Contracting Construction Co.,Ltd. Address before: 200122 Pudong New Area, Shanghai, China (Shanghai) free trade trial area 1568 Century Avenue 27 Patentee before: CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION Co.,Ltd. |