CN110761560A - Mounting and construction method for steel bracket-arch lifting composite structure of pseudo-classic architecture - Google Patents
Mounting and construction method for steel bracket-arch lifting composite structure of pseudo-classic architecture Download PDFInfo
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- CN110761560A CN110761560A CN201911086804.7A CN201911086804A CN110761560A CN 110761560 A CN110761560 A CN 110761560A CN 201911086804 A CN201911086804 A CN 201911086804A CN 110761560 A CN110761560 A CN 110761560A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The invention discloses an installation and construction method of a steel bracket-arch combined structure of an archaized building, which comprises the following steps: firstly, decomposing a component; secondly, cutting and blanking the component; thirdly, combining and welding to form a prefabricated steel bucket arch basic component and pre-assembling components; fourthly, polishing the welding line; fifthly, trial splicing of the medium-sized independent steel members; sixthly, derusting and corrosion preventing of the steel component, treating the steel component with paint and numbering the steel component; and seventhly, field installation of the medium-sized independent steel member. The invention decomposes the components by BIM technology, draws a large-scale drawing of each component plane by AutoCAD, prefabricates steel components in factories, assembles, combines and welds the small steel components in factories in advance, reduces the quantity of the components directly installed on site, and directly installs the bracket-up combined structure from top to bottom on the archaized building construction site, thereby having sufficient installation space, reducing the field operation amount and the construction difficulty, improving the operation efficiency, ensuring the engineering quality and reducing the investment cost.
Description
Technical Field
The invention belongs to the technical field of bucket arch lifting combined structure installation, and particularly relates to an installation and construction method of a steel bucket arch lifting combined structure of an antique building.
Background
The bucket, the arch and the elevator are arranged in the wooden ancient building and serve as a force transmission component in the building, and load transmitted by an upper layer structure is transmitted to the column through the bucket arch and then to the foundation. Therefore, the bucket arch plays a role in bearing up, down and transferring load. In modern archaized buildings, the main structure at the present stage is mostly of a concrete structure, and the bucket arches and other members are concrete solid-web members, but as the bucket arches and other members are various in types, large in total quantity and small in cross section size, the concrete structure is complicated in construction process, seasonal construction influence and other factors, the processing and maintenance occupy the site. Meanwhile, the cross section of the ascending member is small, the number of the same members is large, the mounting position of the upper frame is not easy to control, and the work efficiency of repeated operation is low. In addition, the existing archaize building bucket arch lifting installation program mostly adopts the bucket arch system installation between each layer to follow the sequence of descending first and ascending last, the bucket arch system is installed upwards, the closer the bucket arch system is to the roof, the smaller and smaller space is provided for the construction of constructors, the bucket arch system is inconvenient to install, the construction difficulty is large, and the expected quality requirement cannot be met due to slight deviation.
Disclosure of Invention
The invention aims to solve the technical problem that the defects in the prior art are overcome, and provides a mounting construction method of a steel bracket-arch combined structure of an antique building.
In order to solve the technical problems, the invention adopts the technical scheme that: the method for installing and constructing the steel bracket-arch combined structure of the pseudo-classic architecture is characterized by comprising the following steps of:
step one, decomposing a component: according to a design drawing, a BIM model combining an archaized building bucket arch lifting component with a main column and a square column is established by utilizing BIM modeling software, the shape of the archaized building bucket arch lifting component is shown in a three-dimensional graph form, and the component is decomposed into a corner beam component, a raising component, a structural arch component, a structural lifting component, a seat bucket component and a connecting lifting component one by one;
the structural arch member comprises a plurality of structural arch members of different length dimensions;
a reserved steel plate is reserved on the main body column, the main body column and the frame column are constructed into a whole, and the main body column is positioned on the upper side of the frame column;
step two, cutting and blanking of the component: drawing three-dimensional diagrams of an angle beam component, a high component, a structural arch component, a structural lifting component, a seat bucket component and a connecting lifting component by adopting AutoCAD, regarding the angle beam component, the high component, the structural arch component, the structural lifting component, the seat bucket component and the connecting lifting component as hollow three-dimensional structures, unfolding each surface of each hollow three-dimensional structure to form a planar rough drawing of each component, and cutting and blanking metal plates according to the size of the planar rough drawing of each hollow three-dimensional structure;
performing die extrusion on a component with a curved surface, and performing detail cutting modification treatment on a rolling brake position;
step three, combining and welding to form a prefabricated steel bucket arch basic component and pre-assembling components: welding all surfaces of each hollow three-dimensional structure according to the planar rough drawing of each component to form a prefabricated steel component with the hollow three-dimensional structure, thereby obtaining the angle beam, the bridge, the structural arch, the structural lift, the seat hopper and the connecting lift which are all steel hollow three-dimensional structures;
respectively welding a plurality of structural arches with different length sizes with the structural lift combination into a whole according to a design drawing to form a plurality of arch lift components with different length sizes;
the corner beam, the horn, the arching component and the seat bucket are respectively regarded as medium-sized independent steel components;
step four, polishing the welding line: processing a welding spot of the welding seam by adopting a grinding wheel angle grinder, and grinding the convex crater while checking the quality of the welding seam so as to smooth the welding seam;
step five, trial assembly of the medium-sized independent steel member: trial splicing is carried out on the medium-sized independent steel components in a prefabrication processing factory according to a design drawing, and the joint closing condition of the two connected medium-sized independent steel components is checked;
and step six, derusting, corrosion prevention and paint treatment of the steel component and numbering: sequentially brushing blue antirust paint, white fireproof paint, paint primer, paint finish and varnish finish paint on a steel member, and performing repair coating on a weld joint;
the medium-sized independent steel members are respectively numbered according to the spatial positions of the medium-sized independent steel members, so that the medium-sized independent steel members are convenient to install on site;
seventhly, field installation of the medium-sized independent steel member: will try to piece together qualified medium-sized independent steel component and transport to archaize building job site, rise integrated configuration to the bracket at archaize building job site and carry out installation from top to bottom, the process is as follows:
701, setting a central line and a horizontal line for each medium-sized independent steel component at each position, popping up the central line and an elevation control line by using a laser level meter to ensure accurate welding and installation in place, controlling the medium-sized independent steel components to be horizontal by using the laser level meter, uniformly positioning and adjusting the medium-sized independent steel components among the antique steel components arranged in a row by using the laser level meter, and assisting in installation of the medium-sized independent steel components by using the central line and the horizontal line of each medium-sized independent steel component as the control lines of the medium-sized independent steel components;
step 702, installing a building large angle first and then installing a middle part; firstly, installing an upper layer bucket arch, and then installing a lower layer bucket arch; the bucket arch at the same layer is firstly provided with an inner bucket arch and then provided with an outer bucket arch, the bucket arch lifting combined structure is arranged from top to bottom, and each medium-sized independent steel component is fixedly connected with a reserved steel plate reserved on the main body column;
step 703, snapping a line on each medium-sized independent steel component, installing the medium-sized independent steel component in a line, rechecking the position, the levelness and the verticality after installation, and then fixing and welding the medium-sized independent steel component; during welding, four sides are spot-welded, then whether displacement exists or not is checked, and the displaced component is adjusted; then, formal welding is carried out, and the welding is carried out in a mode of symmetrically welding two sides of the medium-sized independent steel member, and welding deformation is strictly prevented; and finally, performing four-side girth welding, wherein the height of a welding seam is controlled to be 8 mm.
The method for installing and constructing the steel bracket-arch lifting composite structure of the antique building is characterized by comprising the following steps of: and in the second step, a cold-rolled sheet is used for blanking the component, a plate shearing machine and a cutting machine are used for cutting the cold-rolled sheet, a measuring scale is used for detecting the size of the component, and the size deviation is less than or equal to 2 mm.
The method for installing and constructing the steel bracket-arch lifting composite structure of the antique building is characterized by comprising the following steps of: and in the second step, the components with patterns in the component plane rough drawing are subjected to compression and detail carving treatment by using a carving machine.
The method for installing and constructing the steel bracket-arch lifting composite structure of the antique building is characterized by comprising the following steps of: and step six, painting blue antirust paint once, painting white fireproof paint twice, painting primer once, painting finish once and painting varnish finish twice on the steel member.
The method for installing and constructing the steel bracket-arch lifting composite structure of the antique building is characterized by comprising the following steps of: in step 703, an electric arc welder is adopted for welding the steel component, the welding is firm, and the quality of the welding seam is constructed according to the design requirement.
Compared with the prior art, the invention has the following advantages:
1. the concrete bucket arch structure has the advantages that the concrete solid web is changed into the steel cavity, the components are light and flexible, the overall effect is realized through the installation of the combined parts, compared with the concrete bucket arch structure, the working procedures of template, steel bar manufacturing, concrete tamping maintenance and the like are reduced, the interference of natural environment is reduced, the component loss is almost zero, the construction cost is reduced, and the popularization and the use are convenient.
2. The invention decomposes the components by BIM technology, draws a large plane sample chart of each component by using AutoCAD, and prefabricates steel components by using factories, thereby having high control precision.
3. According to the invention, small basic components such as the bucket arch and the like are combined in advance to form the medium-sized assembled steel component, the assembled prefabricated component can be specially prefabricated and processed in a factory manner, the sizes of the components are consistent, and the styles are uniform; part small-size bracket member is assembled through ground, subassembly, integral erection, high efficiency swift, and the quality easily guarantees, the operation of being convenient for, and the decorative characteristics of existing archaize component can shorten construction period again, excellent in use effect.
4. The method has simple steps, the bucket and a few heavy components with large cross sections, such as the high in the bucket arch component, are self-formed into a single body, and are installed on site after being processed in a factory and directly installed on a rack on site; most other small-size components are combined and assembled in a factory in advance to form a medium-sized independent steel component suitable for installation, the field welding installation quantity is reduced through factory combination of the small-size arch and the lifting component, the construction period is shortened, the welding quality is effectively guaranteed, meanwhile, the bracket mounting of the bracket lifting combined structure is directly carried out on the archaized building construction field from top to bottom, the installation space is sufficient, the field operation amount and the construction difficulty are reduced, and the popularization and the use are convenient.
5. The invention is not limited by seasons and climate, has no redundant construction procedure of concrete curing, is constructed after the main body column and the purlin are finished, and has no open-air construction effect.
In conclusion, the invention decomposes the components by the BIM technology, draws a large plane sample of each component by the AutoCAD, prefabricates the steel components in the factory, assembles, combines and welds the small steel components in the factory in advance, reduces the quantity of the components directly installed on the site, directly installs the bracket-mounted.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic view of a steel bucket arch lifting combined structure of an archaized building in the embodiment of the invention.
FIG. 2 is a method flow diagram of the construction method of the present invention.
Description of reference numerals:
1-frame column; 2-a main column; 3, reserving a steel plate;
4-santalum; 5-an angle beam; 6-ang;
7-an arching assembly; 8, structural arch; 9-structure liter;
10, a seat bucket; 11-link with liter.
Detailed Description
As shown in fig. 1 and 2, the method for installing and constructing the steel bracket-arch composite structure of the pseudo-classic architecture comprises the following steps:
step one, decomposing a component: according to a design drawing, a BIM model combining an archaized building bucket arch lifting component with a main column 2 and a column 4 is established by utilizing BIM modeling software, the shape of the archaized building bucket arch lifting component is shown in a three-dimensional graph form, and the component is decomposed into a corner beam component, a raising component, a structural arch component, a structural lifting component, a seat bucket component and a connecting lifting component one by one;
the structural arch member comprises a plurality of structural arch members of different length dimensions;
a reserved steel plate 3 is reserved on the main body column 2, the main body column 2 and the frame column 1 are constructed into a whole, and the main body column 2 is positioned on the upper side of the frame column 1;
step two, cutting and blanking of the component: drawing three-dimensional diagrams of an angle beam component, a high component, a structural arch component, a structural lifting component, a seat bucket component and a connecting lifting component by adopting AutoCAD, regarding the angle beam component, the high component, the structural arch component, the structural lifting component, the seat bucket component and the connecting lifting component as hollow three-dimensional structures, unfolding each surface of each hollow three-dimensional structure to form a planar rough drawing of each component, and cutting and blanking metal plates according to the size of the planar rough drawing of each hollow three-dimensional structure;
in actual operation, metal plates are cut and blanked according to the size of a large planar sample of each hollow three-dimensional structure, decomposition is carried out according to operation feasibility, construction simplicity and economic applicability, material waste is too large when decomposition is too coarse, and manufacturing and processing workload is large when decomposition is too fine.
Performing die extrusion on a component with a curved surface, and performing detail cutting modification treatment on a rolling brake position;
in the embodiment, in the second step, the cold-rolled sheet is used for blanking the component, the plate shearing machine and the cutting machine are used for shearing the cold-rolled sheet, the size of the component is detected by using a measuring scale, and the size deviation is less than or equal to 2 mm.
In this embodiment, in the second step, the member having patterns on the large plane sample of the member is subjected to detail processing of profiling and carving by using the carving machine.
The concrete bracket is characterized in that the component is a steel cavity instead of a concrete solid web, the component is light and flexible, the overall effect is realized by the installation of a combined piece, compared with a concrete bracket structure, the concrete bracket structure reduces the working procedures of template and steel bar manufacturing, concrete tamping maintenance and the like, reduces the interference of natural environment, reduces the loss of the component to almost zero, reduces the construction cost, achieves the decorative characteristic of the antique bracket component, and simultaneously avoids the interference of external environment to the construction site and reduces the damage of template use and sandstone mining to the natural environment; the components are decomposed by the BIM technology, the AutoCAD is used for drawing a large plane sample drawing of each component, and the steel components are prefabricated in factories, so that the control precision is high.
Step three, combining and welding to form a prefabricated steel bucket arch basic component and pre-assembling components: welding all surfaces of each hollow three-dimensional structure according to the plane rough drawing of each component to form a prefabricated steel component with the hollow three-dimensional structure, thereby obtaining an angle beam 5, a horn 6, a structural arch 8, a structural lift 9, a bucket 10 and a connecting lift 11 which are all steel hollow three-dimensional structures;
a plurality of structural arches 8 with different length sizes are respectively combined and welded with a structural lift 9 into a whole according to a design drawing to form a plurality of arch lift assemblies 7 with different length sizes;
the angle beam 5, the horn 6, the arching component 7 and the seat bucket 10 are respectively regarded as medium-sized independent steel components;
the small basic components such as the bucket arches and the like are combined in advance in a factory to form the medium-sized assembled steel component, the assembled prefabricated components can be specially prefabricated and processed in a factory, the sizes of the components are consistent, and the styles are uniform; part of small-size bracket members are assembled on the ground, assembled, integrally installed, efficient and fast, the quality is easy to guarantee, the operation is convenient, the decorative characteristics of antique members are realized, and the construction period can be shortened.
Step four, polishing the welding line: processing a welding spot of the welding seam by adopting a grinding wheel angle grinder, and grinding the convex crater while checking the quality of the welding seam so as to smooth the welding seam;
step five, trial assembly of the medium-sized independent steel member: according to a design drawing, trial splicing is carried out on medium-sized independent steel components in a prefabrication processing factory, the joint closing condition of two connected medium-sized independent steel components is checked, and the situation that an arch material cannot enter a connecting port due to the fact that the connecting port is too small and a gap exists between the connecting port and the arch material due to the fact that the connecting port is too large is prevented;
and step six, derusting, corrosion prevention and paint treatment of the steel component and numbering: sequentially brushing blue antirust paint, white fireproof paint, paint primer, paint finish and varnish finish paint on a steel member, and performing repair coating on a weld joint;
the medium-sized independent steel members are respectively numbered according to the spatial positions of the medium-sized independent steel members, so that the medium-sized independent steel members are convenient to install on site;
in the sixth step, the steel member is painted with the blue antirust paint once, the white fireproof paint twice, the paint primer once, the paint finish once, and the varnish finish twice.
Seventhly, field installation of the medium-sized independent steel member: will try to piece together qualified medium-sized independent steel component and transport to archaize building job site, rise integrated configuration to the bracket at archaize building job site and carry out installation from top to bottom, the process is as follows:
701, setting a central line and a horizontal line for each medium-sized independent steel component at each position, popping up the central line and an elevation control line by using a laser level meter to ensure accurate welding and installation in place, controlling the medium-sized independent steel components to be horizontal by using the laser level meter, uniformly positioning and adjusting the medium-sized independent steel components among the antique steel components arranged in a row by using the laser level meter, and assisting in installation of the medium-sized independent steel components by using the central line and the horizontal line of each medium-sized independent steel component as the control lines of the medium-sized independent steel components;
step 702, installing a building large angle first and then installing a middle part; firstly, installing an upper layer bucket arch, and then installing a lower layer bucket arch; the bucket arch at the same layer is firstly provided with an inner bucket arch and then provided with an outer bucket arch, the bucket arch lifting combined structure is arranged from top to bottom, and each medium-sized independent steel component is fixedly connected with a reserved steel plate 3 reserved on the main body column 2;
step 703, snapping a line on each medium-sized independent steel component, installing the medium-sized independent steel component in a line, rechecking the position, the levelness and the verticality after installation, and then fixing and welding the medium-sized independent steel component; during welding, four sides are spot-welded, then whether displacement exists or not is checked, and the displaced component is adjusted; then, formal welding is carried out, and the welding is carried out in a mode of symmetrically welding two sides of the medium-sized independent steel member, and welding deformation is strictly prevented; and finally, performing four-side girth welding, wherein the height of a welding seam is controlled to be 8 mm.
In this embodiment, an arc welder is used to weld the steel member in step 703, the welding is firm, and the quality of the weld joint is constructed according to the design requirements.
It should be noted that, as shown in fig. 1, when the present invention is used, according to the design position of the corner beam 5, the corner beam 5 is firstly welded on the reserved steel plate 3 on the main body column 2 and is located at the lower side of the square column 4; then according to the design position of the horn 6, the horn 6 is welded on the reserved steel plate 3 on the main body column 2 and matched with the corner beam 5 on the upper side of the horn 6; then according to the design positions of a plurality of arching assemblies 7 with different length sizes, the arching assemblies are sequentially welded on a reserved steel plate 3 on a main body column 2 from top to bottom, after the bottommost arching assembly 7 is installed, a seat bucket 10 is welded at the bottom of the bottommost arching assembly 7, the seat bucket 10 is located at the junction position of a frame column 1 and the main body column 2, and finally a connecting lift 11 is installed between a corner beam 5 and a square column 4, so that the installation of the steel arching combined structure of the archaizing building is completed, the construction is rapid, the steps are simple, a small number of heavy components with large cross sections, such as the seat bucket and a crane, in the arching component are self-formed into a single body, the installation is carried out on site after the steel arching; most other small-sized components are combined and assembled in a factory in advance to form a medium-sized independent steel component suitable for installation, the field welding installation quantity is reduced through factory combination of the small-sized arch and the lifting component, the construction period is shortened, the welding quality is effectively guaranteed, meanwhile, the bracket mounting of the bracket lifting combined structure is directly carried out on the archaized building construction field from top to bottom, the installation space is sufficient, and the field operation amount and the construction difficulty are reduced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (5)
1. The method for installing and constructing the steel bracket-arch combined structure of the pseudo-classic architecture is characterized by comprising the following steps of:
step one, decomposing a component: according to a design drawing, a BIM model combining an archaized building bucket arch lifting component with a main column (2) and a column (4) is established by utilizing BIM modeling software, the shape of the archaized building bucket arch lifting component is displayed in a three-dimensional graph form, and the component is decomposed into a corner beam component, a raising component, a structural arch component, a structural lifting component, a bucket component and a connecting lifting component one by one;
the structural arch member comprises a plurality of structural arch members of different length dimensions;
a reserved steel plate (3) is reserved on the main body column (2), the main body column (2) and the frame column (1) are constructed into a whole, and the main body column (2) is located on the upper side of the frame column (1);
step two, cutting and blanking of the component: drawing three-dimensional diagrams of an angle beam component, a high component, a structural arch component, a structural lifting component, a seat bucket component and a connecting lifting component by adopting AutoCAD, regarding the angle beam component, the high component, the structural arch component, the structural lifting component, the seat bucket component and the connecting lifting component as hollow three-dimensional structures, unfolding each surface of each hollow three-dimensional structure to form a planar rough drawing of each component, and cutting and blanking metal plates according to the size of the planar rough drawing of each hollow three-dimensional structure;
performing die extrusion on a component with a curved surface, and performing detail cutting modification treatment on a rolling brake position;
step three, combining and welding to form a prefabricated steel bucket arch basic component and pre-assembling components: welding all surfaces of each hollow three-dimensional structure according to the plane rough drawing of each component to form a prefabricated steel bucket arch basic component with the hollow three-dimensional structure, thereby obtaining angle beams (5), horns (6), structural arches (8), structural lifts (9), a bucket (10) and connecting lifts (11) which are all steel hollow three-dimensional structures;
according to a design drawing, a plurality of structural arches (8) with different length sizes and structural lifts (9) are combined and welded into a whole in a factory in advance to form a plurality of arch lifting assemblies (7) with different length sizes;
the angle beam (5), the horn (6), the arching component (7) and the seat bucket (10) are respectively regarded as medium-sized independent steel components;
step four, polishing the welding line: processing a welding spot of the welding seam by adopting a grinding wheel angle grinder, and grinding the convex crater while checking the quality of the welding seam so as to smooth the welding seam;
step five, trial assembly of the medium-sized independent steel member: trial splicing is carried out on the medium-sized independent steel components in a prefabrication processing factory according to a design drawing, and the joint closing condition of the two connected medium-sized independent steel components is checked;
and step six, derusting, corrosion prevention and paint treatment of the steel component and numbering: sequentially brushing blue antirust paint, white fireproof paint, paint primer, paint finish and varnish finish paint on a steel member, and performing repair coating on a weld joint;
the medium-sized independent steel members are respectively numbered according to the spatial positions of the medium-sized independent steel members, so that the medium-sized independent steel members are convenient to install on site;
seventhly, field installation of the medium-sized independent steel member: will try to piece together qualified medium-sized independent steel component and transport to archaize building job site, rise integrated configuration to the bracket at archaize building job site and carry out installation from top to bottom, the process is as follows:
701, setting a central line and a horizontal line for each medium-sized independent steel component at each position, popping up the central line and an elevation control line by using a laser level meter to ensure accurate welding and installation in place, controlling the medium-sized independent steel components to be horizontal by using the laser level meter, uniformly positioning and adjusting the medium-sized independent steel components among the antique steel components arranged in a row by using the laser level meter, and assisting in installation of the medium-sized independent steel components by using the central line and the horizontal line of each medium-sized independent steel component as the control lines of the medium-sized independent steel components;
step 702, installing a building large angle first and then installing a middle part; firstly, installing an upper layer bucket arch, and then installing a lower layer bucket arch; the bucket arch at the same layer is firstly provided with an inner bucket arch and then provided with an outer bucket arch, the bucket arch lifting combined structure is arranged from top to bottom, and each medium-sized independent steel component is fixedly connected with a reserved steel plate (3) reserved on the main body column (2);
step 703, snapping a line on each medium-sized independent steel component, installing the medium-sized independent steel component in a line, rechecking the position, the levelness and the verticality after installation, and then fixing and welding the medium-sized independent steel component; during welding, four sides are spot-welded, then whether displacement exists or not is checked, and the displaced component is adjusted; then, formal welding is carried out, and the welding is carried out in a mode of symmetrically welding two sides of the medium-sized independent steel member, and welding deformation is strictly prevented; and finally, performing four-side girth welding, wherein the height of a welding seam is controlled to be 8 mm.
2. The mounting and construction method of the steel bracket-arch composite structure of the archaizing building according to claim 1, characterized in that: and in the second step, a cold-rolled sheet is used for blanking the component, a plate shearing machine and a cutting machine are used for cutting the cold-rolled sheet, a measuring scale is used for detecting the size of the component, and the size deviation is less than or equal to 2 mm.
3. The mounting and construction method of the steel bracket-arch composite structure of the archaizing building according to claim 1, characterized in that: and in the second step, the components with patterns in the component plane rough drawing are subjected to compression and detail carving treatment by using a carving machine.
4. The mounting and construction method of the steel bracket-arch composite structure of the archaizing building according to claim 1, characterized in that: and step six, painting blue antirust paint once, painting white fireproof paint twice, painting primer once, painting finish once and painting varnish finish twice on the steel member.
5. The mounting and construction method of the steel bracket-arch composite structure of the archaizing building according to claim 1, characterized in that: in step 703, an electric arc welder is adopted for welding the steel component, the welding is firm, and the quality of the welding seam is constructed according to the design requirement.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112482779A (en) * | 2020-11-11 | 2021-03-12 | 重庆中科建设（集团）有限公司 | Integral hoisting construction method for cornice bucket arch of antique building |
| CN114139266A (en) * | 2021-12-08 | 2022-03-04 | 中国建筑西南设计研究院有限公司 | Wall body node full-page proof automatic design method based on dynamic combination and storage medium |
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| CN202170590U (en) * | 2011-07-15 | 2012-03-21 | 杭州金星铜世界装饰材料有限公司 | Metal bucket arch |
| CN105908889A (en) * | 2016-04-29 | 2016-08-31 | 陕西建工第三建设集团有限公司 | Construction method for prefabrication and reverse installation of cornice concrete decoration members of archaistic building |
| CN107227852A (en) * | 2017-05-27 | 2017-10-03 | 中建二局第三建筑工程有限公司 | Imitative Tang Gujian sets of brackets on top of the columns construction methods of installation |
| CN107190983A (en) * | 2017-06-02 | 2017-09-22 | 康博达节能科技有限公司 | A kind of construction method of prefabricated assembled cornice |
| CN208950152U (en) * | 2018-09-04 | 2019-06-07 | 杭州海成诺建筑科技有限公司 | A kind of Metal bucket arch |
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| CN112482779A (en) * | 2020-11-11 | 2021-03-12 | 重庆中科建设（集团）有限公司 | Integral hoisting construction method for cornice bucket arch of antique building |
| CN114139266A (en) * | 2021-12-08 | 2022-03-04 | 中国建筑西南设计研究院有限公司 | Wall body node full-page proof automatic design method based on dynamic combination and storage medium |
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