CN112482779A - Integral hoisting construction method for cornice bucket arch of antique building - Google Patents
Integral hoisting construction method for cornice bucket arch of antique building Download PDFInfo
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- CN112482779A CN112482779A CN202011254002.5A CN202011254002A CN112482779A CN 112482779 A CN112482779 A CN 112482779A CN 202011254002 A CN202011254002 A CN 202011254002A CN 112482779 A CN112482779 A CN 112482779A
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- eave
- bracket
- bucket
- arch
- cornice
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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
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/15—Trimming strips; Edge strips; Fascias; Expansion joints for roofs
- E04D13/158—Trimming strips; Edge strips; Fascias; Expansion joints for roofs covering the overhang at the eave side, e.g. soffits, or the verge of saddle roofs
Abstract
The invention discloses an integral hoisting construction method for an eave bracket of an archaized building, which comprises the following steps of S001, collecting field data to establish a three-dimensional simulation model of the eave bracket; s002, analyzing the three-dimensional simulation model of the eave bracket to generate an eave bracket deepened design drawing; s003, prefabricating each eave, each arch, each back bucket plate and each keel by adopting metal materials according to the eave arch deepening design drawing; and S004, hoisting the prefabricated cornices, the bucket arches, the back bucket plate and the keels on site. The method has the advantages of simple and convenient construction and installation, high construction precision, convenient maintenance and good durability.
Description
Technical Field
The invention relates to the field of construction of steel frameworks of cornice bucket arches, in particular to a construction method for integrally hoisting a cornice bucket arch of an antique building.
Background
The ancient Chinese building is a structural mode mainly comprising a wooden framework, and gradually forms unique building systems and styles in the world through continuous creation along with the development of times. In the current stage, due to the development of a concrete structure, other ancient buildings are newly built and rebuilt except that an original structure system is still adopted in the repairing engineering, and the ancient buildings in the current stage are formed by replacing part of wooden frameworks with reinforced concrete structures. In order to achieve the same effect as a wooden framework after paint color painting, the method puts forward high requirements on the manufacture and installation of the antique component. In particular, in the bucket arch construction, the specification and size, the number of installed components, the position arrangement and the like of each component have strict requirements, so that the requirement on the construction quality of the early-stage main body structure is high, and meanwhile, the installation process is complex, the components are complex, the quantity of the components is small, and the construction difficulty is large.
Disclosure of Invention
The invention aims to provide a construction method for integrally hoisting an eave bracket of an antique building, aiming at the defects of the prior art, and the construction method has the advantages of simple and convenient construction and installation, high construction precision, convenient maintenance and good durability.
The technical scheme of the invention is as follows:
an integral hoisting construction method of an eave bracket of an archaized building comprises the following steps,
s001, acquiring field data to establish a three-dimensional simulation model of the eave bracket;
s002, analyzing the three-dimensional simulation model of the eave bracket to generate an eave bracket deepened design drawing;
s003, prefabricating each eave, each arch, each back bucket plate and each keel by adopting metal materials according to the eave arch deepening design drawing;
and S004, hoisting the prefabricated cornices, the bucket arches, the back bucket plate and the keels on site.
Further, the step S001 collects field data to establish a three-dimensional simulation model of the eave bracket, including:
and (3) actual construction size angle data of the eave bracket needing to be laid on the actual measurement site, drawing an eave bracket design drawing according to the design style by combining the actual measurement data, and constructing a three-dimensional simulation model of the eave bracket.
Further, the step S002 of analyzing the three-dimensional simulation model of the eave bracket includes:
and determining the sizes, splicing modes, intervals, arrangement modes and hoisting point positions of each cornice, each funnel arch, each back funnel plate and each keel according to the three-dimensional simulation model of the cornice funnel arch.
Further, according to the three-dimensional simulation model of the eave bracket, the sizes, the splicing modes, the intervals, the arrangement modes and the hoisting point positions of each eave, the bracket, the back bracket plate and the keel are determined, and the method comprises the following steps:
analyzing the flying eave according to the three-dimensional simulation model of the flying eave bracket, dividing the flying eave into a plurality of eave rafters, a plurality of flying rafters, eave rafter mounting plates, eave sandalwood plates, flying rafter mounting plates and flying rafter shielding plates, wherein each eave rafter is fixedly mounted on the eave rafter mounting plate, each flying rafter is fixedly mounted on the flying rafter mounting plate, and the flying rafter mounting plates, the flying rafter shielding plates and the flying eave mounting plates are divided into a plurality of blocks according to the size of the flying eave;
analyzing the bucket arches according to the three-dimensional simulation model of the cornice bucket arch, determining the size number, arrangement mode and dimension of the bucket arches, wherein each bucket arch is formed by splicing a plurality of buckets, a plurality of arches, a lifting cornice purlin and a arhat purlin, and each bucket arch is provided with a suspender which is perpendicular to the gravity center of the bucket arch and extends out of the bucket arch;
analyzing the back hopper plate according to the three-dimensional simulation model of the cornice hopper arch, dividing the back hopper plate into a plurality of pieces according to the size of the back hopper plate, and splicing the back hopper plate, wherein each piece of back hopper plate is connected through a connecting piece;
and analyzing the keel according to the three-dimensional simulation model of the eave bracket, and dividing the keel into a plurality of criss-cross main keels and secondary keels connected with the main keels.
Further, many vertically and horizontally staggered's main joist includes that at least twice set up at the first main joist and the perpendicular to of roof beam side and wall the second main joist of first main joist, the second main joist be used for with first main joist is fixed on roof beam side or wall.
Further, step S003 is according to the eaves bracket deepening design drawing adopt metal material prefabricated each eaves, bracket, back bracket and fossil fragments, include:
processing the cornice, the bucket arch and the back bucket plate by adopting a metal plate according to a cornice bucket arch deepening design drawing, and assembling and spraying paint on the cornice, the bucket arch and the back bucket plate;
and manufacturing the keel by adopting a square steel pipe according to the deepening design drawing of the eave bracket.
Further, the metal plate is an aluminum alloy plate.
Further, step S004 carries out on-site hoisting with each prefabricated cornice, bracket, back of the body hopper board and fossil fragments, includes:
s1: welding and fixing each keel on an embedded part of the reinforced concrete eave;
s2: fixedly mounting each back bucket plate on the keel through a connecting piece;
s3: fixedly installing each bucket arch on the keel in a welding manner;
s4: and fixedly mounting each cornice on the keel through self-tapping screws.
Further, the connecting piece is L type angle sign indicating number, one side of L type angle sign indicating number is equipped with two connecting holes, and the opposite side is equipped with a bar-type regulation hole, is equipped with self tapping screw in this connecting hole and the bar-type regulation hole.
Further, before the step S004, the method further includes:
and lofting is carried out according to a deepened design drawing, and an embedded part for fixing the cornice bucket arch is arranged.
Adopt above-mentioned technical scheme to have following beneficial effect:
the method comprises the steps of establishing a three-dimensional simulation model of the eave bracket by acquiring field data; generating a deep design drawing of the eave bracket; prefabricating each cornice, each bucket arch, each back bucket plate and each keel by adopting metal materials; and hoisting the prefabricated cornices, the bucket arches, the back bucket plate and the keels on site. The construction is simple and convenient to install, high in construction precision, convenient to maintain and good in durability, the construction difficulty can be greatly reduced, and the construction safety and the bucket arch forming effect are ensured.
The following description is further described in conjunction with the accompanying drawings and the detailed description.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a flow chart of the field installation of the present invention;
FIG. 3 is a schematic view of the assembled structure of the present invention;
figure 4 is a schematic structural view of the inventive keel;
FIG. 5 is a schematic view of the structure of the bucket arch with a boom according to the present invention;
FIG. 6 is a schematic structural view of the connector of the present invention;
fig. 7 is a schematic structural view of the eave rafter and the eave rafter mounting plate of the present invention;
fig. 8 is a schematic structural diagram of a fly beam and a fly beam mounting plate according to the present invention.
In the attached drawing, 1 is the eave rafter, 2 is the fly rafter, 3 is eaves sandalwood board, 4 is hiding the rafter board, 5 is the bracket, 6 is back of the body fights the board, 7 is main joist, 8 is the secondary joist, 9 is reinforced concrete eaves, 10 is the eave rafter mounting panel, 11 is the fly rafter mounting panel, 12 is the connecting piece, 13 is the jib.
Detailed Description
Specific example 1:
referring to fig. 1 to 7, the integral hoisting construction method for the eave bracket of the archaized building comprises the steps of S001, collecting field data to establish a three-dimensional simulation model of the eave bracket;
the method specifically comprises the following steps:
and actual construction size angle data of the eave bracket are required to be laid on the actual measurement site, an eave bracket design drawing is drawn according to the design style by combining the actual measurement data, and a three-dimensional simulation model of the eave bracket is constructed by using REVIT software.
S002, analyzing the three-dimensional simulation model of the eave bracket to generate an eave bracket deepened design drawing;
the method specifically comprises the following steps:
and determining the sizes, splicing modes, intervals, arrangement modes and hoisting point positions of each cornice, each funnel arch, each back funnel plate and each keel according to the three-dimensional simulation model of the cornice funnel arch.
Further, according to three-dimensional simulation model analysis of eave bracket the eave will the eave divide into accessories such as a plurality of blocks of eave rafter 1, a plurality of blocks of eave rafter 2, eaves sandalwood board 3, hide rafter board 4, eaves rafter mounting panel 10 and eave rafter mounting panel 11, and each eaves rafter 1 is welded fastening respectively and is installed on eaves rafter mounting panel 10, each piece of eave rafter 2 is welded fastening respectively and is installed on the eave rafter mounting panel 11, will according to the eave size eaves mounting panel 10, hide rafter board 4 and eave mounting panel 11 and cut apart into the polylith concatenation and form to be convenient for the transportation.
Analyzing the bucket arches 5 according to the three-dimensional simulation model of the cornice bucket arch, determining the size number, the arrangement mode and the dimension of the bucket arches 5, wherein each bucket arch 5 is formed by splicing a plurality of buckets, a plurality of arches, a lifting balk and a purlin arhat, and each bucket arch 5 is provided with a suspender 13 which is perpendicular to the gravity center of the bucket arch and extends out of the bucket arch. The suspender 13 is a 7-shaped rod, the suspender 13 is used for being welded on the keel as a main hoisting point for hoisting the bucket arch, and the suspender 13 is convenient for hoisting and is also convenient for fixing the bucket arch. The lifting cornice balk and the arhat balk of the hopper arch 5 are connected with the back hopper plate.
According to three-dimensional simulation model analysis of eave bracket the back of the body fight board 6 will according to the size of back of the body fight board 6 the back of the body fight board is cut apart into the polylith concatenation and is formed to be convenient for the transportation, still set up the hole of stepping down of jib on the back of the body fight board 6, each back of the body fight board 6 all links to each other through the connecting piece, and the back of the body fight board passes through connecting piece 12 and installs on fossil fragments, connecting piece 12 is L type angle sign indicating number, and one side of L type angle sign indicating number is equipped with two connecting holes, and the opposite side is equipped with a bar regulation hole, is equipped with self tapping screw in this connecting hole and the bar regulation hole, and the bar. The specification of the L-shaped corner brace is 46 multiplied by 25 multiplied by 3 mm. Each back bucket plate is provided with a plurality of L-shaped angle connectors, and the distance between each L-shaped angle connector is not more than 300 mm.
And analyzing the keel according to the three-dimensional simulation model of the eave bracket, and dividing the keel into a plurality of criss-cross main keels 7, secondary keels 8 connected with the main keels and connecting points of the main keels 7 and the secondary keels 8.
Further, many vertically and horizontally staggered's main joist includes that at least twice sets up at the first main joist of roof beam side and wall and arranges according to predetermineeing the interval a plurality of second main joists on the first main joist, second main joist perpendicular to first main joist, the second main joist be used for with first main joist is fixed on roof beam side or wall. The secondary joist is arranged on the first main joist of the main joist according to a preset interval, the number of the secondary joists on the same plane is not less than 2, and the overall dimension of the eave bracket framework is determined by adjusting the arrangement of the secondary joist. In the embodiment, two first main keels are respectively arranged on the side edge of the beam and the wall surface, the distance between the two first main keels is 600mm, a second main keel is welded on the first main keel on the two sides according to the distance of every 500mm, and the second main keel is welded on the embedded part of the reinforced concrete eave on the two sides. The secondary joist welds on first main joist according to the mode that every 1000mm interval arranged a secondary joist, and secondary joist and first main joist splice point position adopt two-sided welding to be connected.
Step S003, prefabricating each eave, each arch, each back bucket plate and each keel by adopting metal materials according to the eave arch deepening design drawing;
the method specifically comprises the following steps:
and processing the cornice, the bucket arch and the back bucket plate by adopting metal plates according to a cornice and bucket arch deepening design drawing, and assembling and spraying paint on the cornice, the bucket arch and the back bucket plate. The metal plate is an aluminum alloy plate.
In the specific embodiment, a metal plate is firstly processed into a plurality of eaves rafters 1, a plurality of flying rafters 2, an eaves rafter mounting plate 10, an eaves sandalwood plate 3, a shading plate 4, an eaves rafter mounting plate 10 and a flying rafter mounting plate 11 in a factory; then welding a plurality of eaves rafters 1 on the eaves rafter mounting plates 10, and welding a plurality of flying rafters 2 on the flying rafter mounting plates 11; and finally, respectively coloring and spraying paint on the eave rafter 1, the plurality of flying rafters 2, the eave rafter mounting plate 10, the eave sandalwood plate 3, the shading plate 4, the eave rafter mounting plate 10 and the flying rafter mounting plate, and transporting to the site for installation. The eave rafter mounting plate 10, the eave sandal wood plate 3, the flying rafter mounting plate 11 and the rafter shielding plate 4 are made of aluminum alloy plates with the thickness of 2 mm.
In a factory, firstly, metal plates are processed into buckets, arches, cornrow lifting and purlin arhan purlin, then the buckets and the arches are welded and assembled into a bucket arch, the weight of a single bucket arch is about 30KG, and then a hanging rod which is perpendicular to the gravity center of the bucket arch and extends out of the bucket arch is welded on each bucket arch 5. And finally, coloring and spraying paint on the bucket arch, the lifting corncob and the arhat purlin, and transporting to a construction site.
Adopt the metal sheet to process into back of the body fight board 6 and connecting plate 12 earlier in the mill, still set up the hole of stepping down of jib on the back of the body fight board 6, then it is right back of the body fight board 6 colors and sprays paint. The back bucket plate 6 is made of an aluminum alloy plate with the thickness of 2mm and is transported to a construction site.
The main keel 7 and the secondary keel 8 are both made of galvanized square steel pipes with the specification of 40 multiplied by 20 multiplied by 2 and are transported to a construction site.
Prior to said step S004: before field construction, lofting is carried out according to a deepened design drawing, and embedded parts used for fixing the cornice bucket arches are arranged. If the embedded part adopts the reserved steel bar, derusting the reserved steel bar is needed. The method specifically comprises the following steps:
and (3) treating a welding base layer: cleaning up the floating and sinking, slag inclusion and the like on the concrete surface of the lower opening of the reinforced concrete cornice 9, and removing rust on the reserved steel bars. And in the area of the outer wall surface where plastering and heat preservation construction are finished, cleaning the decorative layer at the positioning node of the main keel to a masonry or concrete surface layer.
And (3) field lofting: and (5) clearly determining the positioning and connecting points of all the main keels and the secondary keels, the hanging points and the side lines of the bucket arches according to a deepened design drawing and making obvious marks.
And S004, hoisting the prefabricated cornices, the bucket arches, the back bucket plate and the keels on site.
The method specifically comprises the following steps:
s1: and welding and fixing each keel on an embedded part of the reinforced concrete eave, wherein the embedded part can be a reserved steel bar on the side edge of the beam and the wall surface, or an expansion bolt arranged on the side edge of the beam and the wall surface according to a preset interval. If the embedded part adopts reserved steel bars, firstly welding the two sides of each second main keel on the reserved steel bars of the reinforced concrete eave, then welding the first main keel on each second main keel, arranging 2 channels at the first main keel at the side edge and the wall surface of the beam according to 600mm intervals, and finally welding the secondary keels on the first main keel, wherein the number of the secondary keels is not less than 2 according to 1000 mm.
If the embedded part adopts expansion bolts, and one expansion bolt is arranged on the side edge of the beam and the wall surface according to 1000mm, firstly welding the two sides of each second main keel on the expansion bolts, and fixedly installing the second main keels on the side edge of the beam and the wall surface through the expansion bolts; then weld first main joist on each second main joist, arrange many 2 at roof beam side and wall department first main joist according to 600mm interval, weld the secondary joist on first main joist at last, this secondary joist arranges not less than 2 according to 1000 mm.
S2: fixedly mounting each back bucket plate 6 on the keel through a connecting piece 12;
the connecting piece 12 adopts L-shaped angle connectors, L-shaped angle connectors are fixed on each back bucket plate through self-tapping screws and two connecting holes in a matched mode, and each back bucket plate is fixed on the secondary keel through the strip-shaped adjusting holes of the L-shaped angle connectors in a matched mode with automatic screws.
S3: fixedly welding each bucket arch 5 on the keel;
firstly, hoisting the bucket arch 5 welded with the suspender 13 to a bucket arch mounting point of a secondary keel through the suspender 13, wherein the suspender 13 penetrates through a plurality of abdicating holes of the back bucket plate 6, then erecting the suspender 13 on the bucket arch 5 on the secondary keel, and welding the suspender on the secondary keel 8; and finally, welding the lifting cornice and the arhat purlin of the bucket arch 5 on the bucket arch 5, and fixing the lifting cornice and the arhat purlin on the back bucket plate through self-tapping screws. And the balk for lifting and the arhat balk for arhat are welded on the bucket arch at last, so that the conditions of the bucket arch and the suspender can be observed conveniently during bucket arch hoisting. The hanger rod is convenient for hoisting the bucket arch, and is convenient for positioning and fixing the bucket arch on the secondary keel. The lifting cornice purlin and the arhat purlin of the bucket arch are fixed with the back bucket plate by automatic screws, and further play a role in fastening.
S4: and fixedly mounting each cornice on the keel through self-tapping screws.
The eaves rafter mounting plate 10 to which the eaves rafter 1 is attached is fixed to the secondary joist 8 by a tapping screw, and the flying rafter mounting plate 11 to which the flying rafter 2 is attached is fixed to the secondary joist 8 by a tapping screw. The shading plate 4 and the eave sandal plate 3 are fixed on the secondary keel 8 through self-tapping screws.
The method of the invention realizes the following effects:
1. the construction and installation are simple and convenient: the archaize cornice bucket arch is processed in the mill is concentrated, transports to the job site installation, directly installs the finished product bucket arch on the structural layer through the jib, and easy operation is swift.
2. The construction precision is high: the cornice bucket arch is processed in a factory, the size standard is unified, and the field installation process is simple; and the installation design of the cornice bucket arch is carried out according to the actual construction size on site, so that the accuracy is ensured. The construction precision of the bucket arch installation is effectively improved.
3. The maintenance is convenient: all components are standard sizes, are damaged in the installation and use processes, and can be directly dismounted, replaced and maintained simply and conveniently.
4. The durability is good: the cornice bucket arch adopts aluminum alloy with good durability to replace a wooden cornice bucket arch, and the service durability of the cornice bucket arch is greatly improved in an outdoor environment.
The specific embodiment is as follows:
a certain travel collecting and distributing project consists of a 1# building travel collecting and distributing center, a 3# building landscape tower, a matched underground garage and a facility room. The relevant indexes of each span are listed as follows: 1# building traveling distribution center is 3 above the ground layers and 1 below the ground layers, the building height is 26.9m, and the building area is 14187.29 square meters; 2 floors on the 3# floor, the building height is 12.6m, and the building area is 310.24 square meters; the underground building area is 7839.11 square meters; a frame structure; the earthquake resistance grade is three levels.
Firstly, actually measuring the actual construction dimension angle of the eave where the bracket is required to be laid on site, and drawing a bracket design drawing according to actually measured data. And establishing a three-dimensional model of the construction arrangement of the bucket arches by using REVIT software, and determining the specification size, the spacing, the arrangement mode and the like of the bucket arches.
Second step, deep design and factory prefabrication
And (3) according to the field measured data and the three-dimensional model calculation analysis, a factory determines the size, splicing mode, hoisting point position and the like of each flying rafter bucket arch member, and generates a bucket arch production deepening design drawing. And finishing production, assembly, paint spraying and processing of corresponding accessories such as a back bucket plate, a shading plate and the like in a factory.
Fourth, preparation for site construction
Base layer treatment: and (3) cleaning up floating, sinking, slag inclusion and the like on the concrete surface of the lower opening of the reinforced concrete cornice, and removing rust on the reserved steel bars. And in the area of the outer wall surface where plastering and heat preservation construction are finished, cleaning the decorative layer at the positioning node of the main keel to a masonry or concrete surface layer.
Lofting: and (4) clearly determining the positioning and connecting points of all the main keels and the secondary keels, and the hanging points and the side lines of the bucket arches according to a deepened design drawing and making obvious marks.
Fifthly, mounting the main keel
Galvanized square steel pipes with the specification of 40 multiplied by 20 multiplied by 2mm are used as hoisting main keels, and the two sides of the main keels are welded on reserved steel bars according to the direction perpendicular to the eave at the interval of 500 mm.
The main keels at the side edges of the beams and the wall surface are arranged at intervals of 600mm and have the same cross section of not less than 2 channels; the keel and the base surface are connected by arranging expansion bolts at intervals of 1000mm, and the bolts and the keel are welded.
Sixthly, installing secondary keel
The secondary keel is made of galvanized square steel pipes of 40 multiplied by 20 multiplied by 2mm in the longitudinal and transverse intervals of 1000mm, the number of the secondary keel and the joint of the primary keel is not less than 2, and the secondary keel and the joint of the primary keel are connected in a double-sided welding mode. The overall dimension of the framework is determined by adjusting the arrangement of the secondary keels.
Seventh step, back bucket plate installation
The back bucket plate is made of an aluminum alloy plate with the thickness of 2mm, is machined and formed in a factory according to a deepened design drawing, and is transported to a field for installation, and the length of the back bucket plate is equal to the design distance of the bucket arch. During installation, the self-tapping screws are connected to the keels, and the distance between the self-tapping screws is not more than 300 mm. The back bucket plates are connected into a whole through reserved L-shaped corner connectors (46 multiplied by 25 multiplied by 3 mm). After the keel is installed, the opening is filled with flexible materials, and all welding parts are coated with the anti-rust paint twice.
Eighth step, bucket arch installation
The weight of a single bucket arch is about 30KG, the main hoisting point for hoisting the bucket arch is a reserved hoisting rod perpendicular to the gravity center, and the reserved hoisting rod is connected with a 7-shaped rod piece welded on the keel.
Contact areas of roof trusses (lifting cornices and arhan balks) of each arch and a back bucket plate are reserved with connection points which are connected to the quilt plate by adopting self-tapping screws to play roles in positioning and fastening.
Ninth step, cornice construction
And after the bucket arch is hoisted, the eaves rafters and the flying rafters are installed. The eaves rafter mounting panel is whole again after fixed with the eaves rafter and is installed on the fossil fragments, and the flying rafter mounting panel is whole again after fixed with the flying rafter and is installed on the fossil fragments.
Tenth step, construction of other parts
After the bucket arch and the eaves mouth are installed, the construction door and window, the guardrail, the blue tile roof and the like achieve the integral antique effect.
The project uses the construction process, improves and perfects by combining the practical situation of the project through the practical application of engineering construction, firstly, all the bucket arches measure the size of the foundation layer through on-site actual measurement, the size number and the arrangement mode of the bucket arches are calculated, and the size of each component is calculated; then, processing and spray-painting an aluminum alloy plate in a factory to form a single finished product bucket arch; and finally, installing and forming on site. The process can save a large amount of construction period and management cost investment, such as mechanical equipment expense rent, labor cost, management cost and the like.
The size relation of the cornice camber is analyzed before construction, a cornice bucket arch large sample is made through lofting, preparation is sufficient in the early stage, the process is simple, the size is accurate, the construction progress is accelerated, and the construction period of the cornice bucket arch of the single-span building can be shortened by about 10 days.
The construction process is simple, the size is accurate, the aluminum alloy material is reasonably adopted, unnecessary nest work, rework and material saving are avoided, the cost can be reduced by 10 ten thousand yuan, and considerable economic benefits are brought to the engineering.
Through the practical application of engineering construction, the method is improved and perfected by combining the actual conditions of projects, and comprises the following steps: the construction and installation are simple and convenient, the construction precision is high, the maintenance is convenient, the durability is good, and the construction materials are effectively saved. The improved application of the construction technology promotes the green and environment-friendly construction, is beneficial to reducing the construction resource investment, improving the enterprise competitiveness and reducing the unit engineering construction cost, and has wide application prospect in the construction similar to the cornice bracket of the antique building. The application success of the technology can provide a powerful technical support for the progress of similar engineering technology. Meanwhile, the construction method is adopted, the purposes of saving construction period and cost are achieved, the construction quality is obviously improved, and the consistent favorable comment of owners and supervision units is obtained.
Claims (10)
1. The integral hoisting construction method of the cornice bracket of the archaized building is characterized by comprising the following steps of: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
s001, acquiring field data to establish a three-dimensional simulation model of the eave bracket;
s002, analyzing the three-dimensional simulation model of the eave bracket to generate an eave bracket deepened design drawing;
s003, prefabricating each eave, each arch, each back bucket plate and each keel by adopting metal materials according to the eave arch deepening design drawing;
and S004, hoisting the prefabricated cornices, the bucket arches, the back bucket plate and the keels on site.
2. The integral hoisting construction method for the eave bracket of the archaized building according to claim 1 is characterized in that: step S001, collecting field data and establishing a three-dimensional simulation model of the eave bracket, wherein the three-dimensional simulation model comprises the following steps:
and (3) actual construction size angle data of the eave bracket needing to be laid on the actual measurement site, drawing an eave bracket design drawing according to the design style by combining the actual measurement data, and constructing a three-dimensional simulation model of the eave bracket.
3. The integral hoisting construction method for the eave bracket of the archaized building according to claim 1 is characterized in that: the step S002 of analyzing the three-dimensional simulation model of the eave bracket includes:
and determining the sizes, splicing modes, intervals, arrangement modes and hoisting point positions of each cornice, each funnel arch, each back funnel plate and each keel according to the three-dimensional simulation model of the cornice funnel arch.
4. The integral hoisting construction method for the eave bracket of the archaized building according to claim 3, is characterized in that: the size, splicing mode, interval, arrangement mode and hoisting point position of each cornice, the bucket arch, the back bucket plate and the keel are determined according to the cornice bucket arch three-dimensional simulation model, and the method comprises the following steps:
analyzing the flying eave according to the three-dimensional simulation model of the flying eave bracket, dividing the flying eave into a plurality of eave rafters, a plurality of flying rafters, eave rafter mounting plates, eave sandalwood plates, flying rafter mounting plates and flying rafter shielding plates, wherein each eave rafter is fixedly mounted on the eave rafter mounting plate, each flying rafter is fixedly mounted on the flying rafter mounting plate, and the flying rafter mounting plates, the flying rafter shielding plates and the flying eave mounting plates are divided into a plurality of blocks according to the size of the flying eave;
analyzing the bucket arches according to the three-dimensional simulation model of the cornice bucket arch, determining the size number, arrangement mode and dimension of the bucket arches, wherein each bucket arch is formed by splicing a plurality of buckets, a plurality of arches, a lifting cornice purlin and a arhat purlin, and each bucket arch is provided with a suspender which is perpendicular to the gravity center of the bucket arch and extends out of the bucket arch;
analyzing the back hopper plate according to the three-dimensional simulation model of the cornice hopper arch, dividing the back hopper plate into a plurality of pieces according to the size of the back hopper plate, and splicing the back hopper plate, wherein each piece of back hopper plate is connected through a connecting piece;
and analyzing the keel according to the three-dimensional simulation model of the eave bracket, and dividing the keel into a plurality of criss-cross main keels and secondary keels connected with the main keels.
5. The integral hoisting construction method for the eave bracket of the archaized building according to claim 4 is characterized in that: many vertically and horizontally staggered's main joist includes that at least twice sets up first main joist and the perpendicular to at roof beam side and wall the second main joist of first main joist, the second main joist be used for with first main joist is fixed on roof beam side or wall.
6. The integral hoisting construction method for the eave bracket of the archaized building according to claim 1 is characterized in that: step S003 according to the eaves bracket deepening design drawing adopt metal material prefabricated each eaves, bracket, back bracket and fossil fragments, include:
processing the cornice, the bucket arch and the back bucket plate by adopting a metal plate according to a cornice bucket arch deepening design drawing, and assembling and spraying paint on the cornice, the bucket arch and the back bucket plate;
and manufacturing the keel by adopting a square steel pipe according to the deepening design drawing of the eave bracket.
7. The integral hoisting construction method for the eave bracket of the archaized building according to claim 6, is characterized in that: the metal plate is an aluminum alloy plate.
8. The integral hoisting construction method for the eave bracket of the archaized building according to claim 1 is characterized in that: step S004 will each prefabricated eave, bracket, back of the body fill board and fossil fragments carry out on-the-spot hoist and mount, include:
s1: welding and fixing each keel on an embedded part of the reinforced concrete eave;
s2: fixedly mounting each back bucket plate on the keel through a connecting piece;
s3: fixedly installing each bucket arch on the keel in a welding manner;
s4: and fixedly mounting each cornice on the keel through self-tapping screws.
9. The integral hoisting construction method for the eave bracket of the archaized building according to claim 4 or 8, which is characterized in that: the connecting piece is L type angle sign indicating number, one side of L type angle sign indicating number is equipped with two connecting holes, and the opposite side is equipped with a bar regulation hole, is equipped with self tapping screw in this connecting hole and the bar regulation hole.
10. The integral hoisting construction method for the eave bracket of the archaized building according to claim 1 or 8, which is characterized in that: before the step S004, the method further includes:
and lofting is carried out according to a deepened design drawing, and an embedded part for fixing the cornice bucket arch is arranged.
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| CN113882573A (en) * | 2021-09-30 | 2022-01-04 | 上海宝冶集团有限公司 | Installation and construction process of GRC (glass-fiber reinforced composite) member of archaized building |
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| CN112482779B (en) | 2022-04-22 |
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