CN114232997A - Construction method of arc-shaped aluminum plate curtain wall with staggered and laminated folding lines for arc-shaped stage exterior wall decoration - Google Patents
Construction method of arc-shaped aluminum plate curtain wall with staggered and laminated folding lines for arc-shaped stage exterior wall decoration Download PDFInfo
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- CN114232997A CN114232997A CN202111494563.7A CN202111494563A CN114232997A CN 114232997 A CN114232997 A CN 114232997A CN 202111494563 A CN202111494563 A CN 202111494563A CN 114232997 A CN114232997 A CN 114232997A
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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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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain walls
- E04B2/96—Curtain walls comprising panels attached to the structure through mullions or transoms
Abstract
The invention discloses a construction method of a broken line staggered laminated arc aluminum plate curtain wall for arc-shaped stage outer wall decoration, which comprises the following steps: s1, designing an aluminum plate curtain wall: the aluminum plate curtain wall is integrally divided into three arc parts with different radiuses and different circle centers based on the structural modeling and the size of the arc-shaped stage outer wall, each arc part comprises a plurality of aluminum plate modeling units, five fold lines which are bent in an internal-external cross mode are distributed along the height direction of each aluminum plate modeling unit, and the fold lines of two adjacent aluminum plate modeling units are distributed in a staggered mode; s2, processing the modeling aluminum plate based on the aluminum plate curtain wall design; s3, installing a keel, wherein the keel comprises a vertical keel and a horizontal keel; s4, fixedly connecting each modeling aluminum plate unit with the keel in sequence to finish the accurate installation of the modeling aluminum plate; s5, installing a fireproof isolation belt; and S6, mounting the glass breast board upright post.
Description
Technical Field
The invention relates to the technical field of curtain wall construction, in particular to a construction method of an arc-shaped aluminum plate curtain wall by folding line staggered lamination for arc-shaped stage outer wall decoration.
Background
With the rapid development of economy, more and more public buildings are pulled out, and architectural designers often highlight the distinctiveness of buildings with unique architectural appearances. At present, the most used material is an aluminum plate, and a modeling aluminum plate is manufactured into various special shapes by aluminum plate bending, welding, bending and other processes. Through CAD computer numerical control processing, control aluminum plate molding's degree of accuracy, cut apart into a plurality of subassemblies to aluminum plate, then become a whole semi-manufactured goods through welding, obtain the finished product after painting through technologies such as wood grain, fluorine carbon, powder spraying again, the building molding of form and color is formed by a piece aluminum plate concatenation.
In the construction of the modeling aluminum plate curtain wall, particularly in the construction of the modeling aluminum plate curtain wall with irregular plane size, space structure curvature change and the like, how to realize the perfect unification of the modeling of a building in kind and the design effect through the splicing connection of the modeling aluminum plate, ensures that the modeling aluminum plate can be processed in a modularized way and is convenient to install, and the key point is that the whole curtain wall system meets the engineering design and the use requirement.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a construction method of a broken line staggered laminated arc aluminum plate curtain wall for arc-shaped stage outer wall decoration, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides a construction method of a broken line staggered laminated arc aluminum plate curtain wall for arc-shaped stage outer wall decoration, which comprises the following steps:
s1, designing an aluminum plate curtain wall: the aluminum plate curtain wall is integrally divided into three arc parts with different radiuses and different circle centers based on the structural modeling and the size of the arc-shaped stage outer wall, each arc part comprises a plurality of aluminum plate modeling units, five fold lines which are bent in an internal-external cross mode are distributed along the height direction of each aluminum plate modeling unit, and the fold lines of two adjacent aluminum plate modeling units are distributed in a staggered mode;
s2, processing the modeling aluminum plate based on the aluminum plate curtain wall design;
s3, installing a keel, wherein the keel comprises a vertical keel and a horizontal keel;
s4, fixedly connecting each modeling aluminum plate unit with the keel in sequence to finish the accurate installation of the modeling aluminum plate;
s5, installing a fireproof isolation belt;
and S6, mounting the glass breast board upright post.
In a preferred embodiment, in step S1, according to the maximum plate width of the aluminum plate and the distance between the aluminum plate outer wall top glass fence vertical columns, each circular arc part modeling aluminum plate is divided equally along the arc length thereof, so that the arc length of each modeling aluminum plate unit is equal, each modeling aluminum plate unit is divided symmetrically in the center and then divided into five sections along the height direction, a seam is arranged between two adjacent sections of aluminum plates, so that each modeling aluminum plate unit comprises ten modeling aluminum plates, and the seam is arranged at the middle position of the internal corner folding edge and the external corner folding edge, so that after two adjacent modeling aluminum plate units are installed, the front vertical aluminum plate is an integral plate at the internal corner and the external corner, and the two adjacent modeling aluminum plate units on the side vertical surface are staggered to form a seamless shape or a triangle shape.
In a preferred embodiment, in step S2, the processing of the aluminum modeling plate based on the aluminum plate curtain wall design includes: every molding aluminum plate unit length is 2m, and the piece width is 15mm, and molding aluminum plate adopts the thick aluminium veneer of 2.5mm, and the surface carries out the fluorine carbon spraying and handles, is equipped with the aluminum alloy window on the aluminum plate curtain wall, and the molding aluminum plate unit that is equipped with the aluminum alloy window adopts perforation aluminum plate, and perforation aluminum plate adopts the thick aluminium veneer of 2.5mm to perforate, and the perforation rate is 30%, and does not set up the perforation in the 50mm scope of piece and dog-ear left and right sides.
In a preferred embodiment, the step of installing the keel in step S3 includes the steps of:
s31, measuring and positioning by adopting a double-chord fixed point method to determine the point position and the angle of the integral keel and ensure that the axis deviation range of the installed keel is controlled within 10 mm;
s32, after measurement and positioning, mounting an adapter on the structural wall, and fixedly connecting the adapter with the vertical keel;
s33, after the vertical keels are installed, horizontal keels are installed according to the aluminum plate assembling grid intervals, and the keel frameworks are connected into a whole;
the vertical keels are arranged at fixed positions of edges on two sides of the modeling aluminum plate unit or at positions of vertical splicing seams in the middle of the modeling aluminum plate unit, and the horizontal keels are arranged at positions of horizontal splicing seams of the modeling aluminum plate unit.
In a preferred embodiment, the measurement and positioning by the double-chord fixed point method to determine the point position and the angle of the integral keel comprises the following steps: erecting a theodolite at the circle center of each circular arc part, taking the middle point of the circular arc part of the middle section as a positioning point of a first vertical keel, and positioning a direction line where a second vertical keel with the distance of 4-6 spans from the first vertical keel by using the theodolite; calculating a first chord length between two placed vertical keel adapters according to the measured central angle and radius, checking according to the first chord length, determining the positioning of a second vertical keel adapter according to the reference point, the direction line and the first chord length of the first vertical keel adapter, and determining the positioning of a bottom adapter of the second vertical keel through a suspension wire; calculating a second chord length at the outer edge of the vertical keel according to the distance from the outer edge of the vertical keel to the structural wall, and calibrating the accurate positioning of the second vertical keel according to the reference point, the second chord length and the radial line of the first vertical keel; evenly distributing the positioning of the vertical keels among the spans, positioning one by one, and finishing the installation of all the vertical keels.
In a preferred embodiment, in step S4, each aluminum-molding plate unit is fixedly connected to the keel in turn, and the precise installation of the aluminum-molding plate unit comprises the following steps:
s41, fixedly connecting the adjustable Z-shaped corner brace with the aluminum modeling plate;
s42, the Z-shaped corner connectors are fixedly connected with the horizontal keel and the vertical keel respectively at the positions of the horizontal abutted seam and the vertical abutted seam of each modeling aluminum plate unit, and the surface height difference of two adjacent modeling aluminum plates is adjusted by adjusting the relative positions of the Z-shaped corner connectors, the horizontal keel and the vertical keel.
In a preferred embodiment, each centre keel includes vertical keel and fixes the broken line fossil fragments in the vertical keel outside, and the integral molding of broken line fossil fragments structure includes two kinds, and every integral molding all includes seven broken line fossil fragments that are the broken line molding and arrange that connect gradually.
In a preferred embodiment, Z type angle sign indicating number is including the first fixed part, connecting portion and the second fixed part that are the Z style of calligraphy, and connecting portion are located between first fixed part and the second fixed part, first fixed part and molding aluminum plate fixed connection, the contained angle of first fixed part and connecting portion is 85, second fixed part and fossil fragments fixed connection, and the contained angle of second fixed part and connecting portion is 90.
In a preferred embodiment, in step S5, fire barriers are installed on the top and bottom of the mullion, and if the mullion meets the window, fire barriers are installed on the top and bottom of the mullion.
In a preferred embodiment, the method further comprises: s7, mounting an openable aluminum plate: the aluminum plate curtain wall area is provided with an openable aluminum plate at the corresponding part of the openable aluminum alloy window, the openable aluminum plate is a perforated aluminum plate, the bottom is an opening side, and the top is a rotatable side.
Compared with the prior art, the invention has the beneficial effects that: the invention determines the folding edge and the splicing seam position of each modeling aluminum plate unit through analysis, thereby ensuring that the aluminum plate can be processed in a modularization way and is convenient to install, ensuring that the splicing seam is attractive and has better arc-shaped folding line modeling; the keel is processed into the modeling keel in a mode of welding molding and then positioning and mounting, and the skeleton outline of the modeling aluminum plate is formed under the condition of accurate positioning, so that the structural integrity of the keel is improved, and the arc-shaped fold-line-shaped outline is realized; the adjustability of Z-direction displacement is realized when the modeling aluminum plate is fixed through the Z-shaped corner connectors, and finally the modeling aluminum plate achieves the design effect after being installed. The construction method of the invention overcomes the difficulty of interlacing of the longitudinal variable-curvature arcs and the vertical folding lines, ensures the decoration effect of the arc-shaped stage outer wall, reduces the cost, greatly shortens the construction period and obtains better practical application effect.
Drawings
FIG. 1 is a flow chart of a construction method according to a preferred embodiment of the present invention.
Fig. 2 is a partial perspective view of an aluminum panel curtain wall according to a preferred embodiment of the present invention.
Figure 3 is a schematic view of a first configuration of the fold line keel construction of the preferred embodiment of the invention.
Figure 4 is a schematic view of a second configuration of the fold line keel construction of the preferred embodiment of the invention.
Figure 5 is a plan view of the keel line of the preferred embodiment of the invention.
Fig. 6 is a schematic diagram of the precise positioning of the furring channel by the double chord pointing method according to the preferred embodiment of the present invention.
Fig. 7 is a sectional view of a profiled aluminum sheet curtain wall according to a preferred embodiment of the present invention.
Fig. 8 is a sectional view of another profiled aluminum sheet curtain wall in accordance with a preferred embodiment of the present invention.
Fig. 9 is a schematic view of a Z-shaped corner brace connection node according to a preferred embodiment of the present invention.
Fig. 10 is a schematic view of a fire barrier node according to a preferred embodiment of the present invention.
Fig. 11 is a schematic view of an openable aluminum plate node according to a preferred embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.
The technical scheme of the invention is specifically illustrated by a project example, the project aims at an outdoor large-scale arc-shaped stage area outer wall building structure, the stage area outer wall is provided with an aluminum plate curtain wall, the arc length of the aluminum plate curtain wall is 175.67m, the height of the aluminum plate curtain wall is 5.950m, and the total area of a modeling aluminum plate is about 1800m2. The aluminum plate curtain wall adopts a folding line staggered laminated arc-shaped aluminum plate curtain wall as shown in figures 1-11The construction method comprises the following steps:
step S1, designing an aluminum plate curtain wall: based on arc stage outer wall structure molding and size with the whole circular arc part that falls into three different radiuses, different centre of a circle of aluminum plate curtain wall to every circular arc part includes a plurality of molding aluminum plate unit 1, and every molding aluminum plate unit 1 distributes the broken line of five inside and outside alternately buckles along the direction of height, and two adjacent molding aluminum plate unit broken lines crisscross the distribution.
Specifically, the aluminum plate curtain wall is integrally divided into 6390mm, 7124mm and 7644mm arcs with different radiuses (such as radiuses R1, R2 and R3 shown in FIG. 5) and different circle centers (such as circle centers O1, O2 and O3 shown in FIG. 5), and the arc lengths are 76.449m, 22.778m and 76.443m respectively; five fold lines which are bent in an internal-external crossing way are distributed along the height according to three intervals of 700mm, 1400mm and 1450 mm. According to the maximum plate width of an aluminum plate and the distance between glass breast board columns at the top of an aluminum plate outer wall, each arc part modeling aluminum plate is divided into equal parts along the arc length of each modeling aluminum plate unit 1, the arc length of each modeling aluminum plate unit 1 is equal, each unit length is 2010mm, the aluminum plate thickness is 2.5mm, each modeling aluminum plate unit 1 is divided into five parts along the height direction, a vertical splicing seam and a horizontal splicing seam are respectively arranged between a central symmetrical dividing line and two adjacent aluminum plates, each modeling aluminum plate unit comprises ten modeling aluminum plates 11, the splicing seams are arranged at the middle positions of a corner break angle and a corner break edge of an external corner, after two adjacent modeling aluminum plate units are installed, the upright aluminum plate is an integral plate at the corner and the corner, and has no splicing seam, two adjacent modeling aluminum plate units (the two adjacent modeling aluminum plate units are shown as 1a and 1b in figure 2) on the side vertical surface are staggered to form a splicing-free shape or delta shape, the continuity and the space third dimension of the fold line model are increased.
And S2, processing the modeling aluminum plate based on the aluminum plate curtain wall design. Specifically, the method comprises the following steps: each modeling aluminum plate unit length is 2m, the seam width is 15mm, the modeling aluminum plate adopts 2.5mm thick aluminum veneer, and the surface is subjected to fluorocarbon spraying treatment. The aluminum plate curtain wall area is provided with aluminum alloy windows which can be opened at four positions, the aluminum plate unit provided with the aluminum alloy windows adopts a perforated aluminum plate, the perforated aluminum plate adopts a 2.5mm thick aluminum veneer for perforation, the perforation rate is 30%, and the 50mm ranges of the left side and the right side of the abutted seams and the folding corners are not provided with perforations. And performing fluorocarbon spraying, three-coating and two-baking treatment on the surface of the aluminum plate, wherein at least 70% of Kynar500 fluoropolymer resin is adopted, and the average thickness of the resin is not less than 40 mu m.
And S3, installing a keel, wherein the keel comprises a vertical keel 2 and a horizontal keel.
Specifically, in step S3, installing the keel includes the following steps:
and S31, measuring and positioning by adopting a double-chord fixed point method to determine the point position and the angle of the integral keel, and ensuring that the axis deviation range of the installed keel is controlled within 10 mm.
And S32, after measurement and positioning, installing the adapter 4 on the structural wall 3, and fixedly connecting the adapter 4 with the vertical keel 2.
And S33, after the vertical keels are installed, horizontal keels are installed according to the aluminum plate assembling grid intervals, and the keel frameworks are connected into a whole.
Each of the vertical keels 2 includes a vertical keel 21 and a fold line keel 22 fixed outside the vertical keel, and the vertical keel is assembled and connected on the ground. The vertical keel is arranged at the position of the vertical splicing seam of the modeling aluminum plate, and the horizontal keel is arranged at the position of the horizontal splicing seam of the modeling aluminum plate. The vertical keel 21 is a hot-dip galvanized square steel pipe with the length of 150 multiplied by 100 multiplied by 4mm, and the length is 5980 mm; the fold line keel 22 adopts a hot galvanized steel pipe with the length of 80 multiplied by 60 multiplied by 4mm, the length is 820 mm-1600 mm, and the angle of the fold line changes along with the modeling. A hot-dip galvanized steel plate 5 with the thickness of 300 multiplied by 200 multiplied by 10mm is fixed by 4 pieces of M12 multiplied by 160mm chemical bolts 6, an adapter 4 is 12.6# hot-dip galvanized steel channel, the adapter 4 is welded with the steel plate 5, and a welding seam is a fillet weld. The adaptor 4 is connected with the vertical keel 21 by 2M 12 multiplied by 150mm stainless steel bolts 7, and is provided with a 40 multiplied by 4mm hot galvanizing steel gasket.
As shown in fig. 3-4, the integral structure of the fold line keel 22 includes two types, the integral structure of the fold line keel 22 of the first type includes seven hot galvanized steel pipes of 80 × 60 × 4mm connected end to end in sequence, and the first fold line keel 221, the second fold line keel 222, the third fold line keel 223, the fourth fold line keel 224, the fifth fold line keel 225, the sixth fold line keel 226 and the seventh fold line keel 227 connected in sequence from top to bottom, and the lengths of the first fold line keel 221, the second fold line keel 222, the third fold line keel 223, the fourth fold line keel 224, the fifth fold line keel 225, the sixth fold line keel 226 and the seventh fold line keel 227 are 820, 1600, 630, 1600, 1565 and 195mm respectively, wherein the included angle of the outer end portions of the first and second fold line keels is 115.70 degrees, the included angle of the inner end portions of the second and third fold line keels is 122.08 degrees, the included angle of the outer end portions of the third and fourth fold line keels is 64.23 degrees, the included angle of the outer end portions of the fourth and fifth fold line keels is 63.43 degrees, the included angle of the inner end portions of the fifth and sixth fold line keels is 126.87 degrees, the outer end portions of the sixth and seventh fold line keels are 126.87 degrees, the included angle of the outer end portions of the sixth and the seventh fold line keels is 126.87 degrees, and the seventh fold line angles of the sixth and the seventh fold line keels, and the sixth fold line keels, respectively, and the fourth fold line keels are connected end portions of the second and the fourth fold line keels, respectively, and the fourth fold line keels are connected in the second and the fourth fold line keel portions of the second and the fourth fold line keel portions of the third and the fourth fold line keel portions of the third fold line keel portions of the fourth fold line, wherein the fourth fold line keel and the seventh fold line keel are respectively vertical to the vertical keel 21. The integral structure of the second molded fold line keel 22 comprises seven 80X 60X 4mm hot galvanized steel pipes which are sequentially connected end to end, and a first fold line keel 221, a second fold line keel 222, a third fold line keel 223, a fourth fold line keel 224, a fifth fold line keel 225, a sixth fold line keel 226 and a seventh fold line keel 227 are sequentially arranged from top to bottom, the lengths of the first folding line keel and the second folding line keel are 820mm, 685 mm, 1565 mm, 1600mm, 630 mm and 1560mm respectively, the included angle of the outer end parts of the first folding line keel and the second folding line keel is 115.70 mm, the included angle of the inner end parts of the second folding line keel and the third folding line keel is 57.85 mm, the included angle of the outer end parts of the third folding line keel and the fourth folding line keel is 64.22 mm, the included angle of the inner end parts of the fourth folding line keel and the fifth folding line keel is 127.66 mm, the included angle of the outer end parts of the fifth folding line keel and the sixth folding line keel is 63.43 mm, and the included angle of the outer end parts of the sixth folding line keel and the seventh folding line keel is 63.43 mm, wherein the third folding line keel and the sixth folding line keel are respectively vertical to the vertical keel 21. The keels are made of Q235B low-carbon steel, the surfaces of the keels are subjected to hot-dip galvanizing treatment, and the thickness of a galvanized layer is more than or equal to 85 mu m. The vertical keels of the two types of modeling are arranged on two adjacent aluminum plate units, and every three first type of modeling broken line keels 22 (which are respectively arranged at the edge fixing positions of two sides of one aluminum plate unit and the middle splicing parts of the aluminum plate units) and every three second type of modeling broken line keels 22 (which are arranged at the middle splicing parts of the adjacent aluminum plate units) are continuously arranged, so that the two adjacent aluminum plate units form two types of modeling structures as shown in figures 7-8 after the aluminum plate curtain wall is installed, and the two adjacent aluminum plate units of the side vertical surfaces are staggered to form a seamless square shape or a triangle shape, and the continuity and the space third dimension of the broken line modeling are improved.
As shown in fig. 5-6, the present invention innovatively adopts a double-chord fixed-point method to measure and position to determine the point position and angle of the integral keel, so as to ensure the accurate positioning of the vertical keel. The method specifically comprises the following steps: erecting a theodolite at the circle center of each circular arc part, taking the middle point of the circular arc part of the middle section as a positioning point of a first vertical keel 2, and positioning a direction line of a second vertical keel which is spaced from the first vertical keel by 4-6 spans by using the theodolite; calculating a first chord length L1 between two placed vertical keel adapters according to the measured central angle alpha and the radius R2, checking according to the first chord length L1, determining the positioning of a second vertical keel adapter 4 according to a reference point, a direction line and the first chord length of the first vertical keel adapter 4, and determining the positioning of a bottom adapter of the second vertical keel 2 through a suspension line; calculating a second chord length L2 at the outer edge of the vertical keel according to the distance from the outer edge of the vertical keel to the structural wall, and calibrating the accurate positioning of the second vertical keel according to the reference point, the second chord length and the radial line of the first vertical keel; evenly distributing the vertical keels 2 among the spans, positioning one by one, and finishing the installation of all the vertical keels 2.
Step S4, each modeling aluminum plate unit 1 is fixedly connected with the keel in sequence, and accurate installation of the modeling aluminum plates is completed, and the method comprises the following steps: s41, fixedly connecting the adjustable Z-shaped corner brace 8 with a modeling aluminum plate 11; s42, at the position of the piece 12 (horizontal piece and vertical piece) of every shaping aluminum plate unit with Z type angle sign indicating number 8 respectively with horizontal keel and vertical keel fixed connection, Z type angle sign indicating number symmetry sets up, stays according to the design requirement and establishes 15mm and glues the seam, through the relative position of adjusting Z type angle sign indicating number and fossil fragments, and then adjusts two adjacent shaping aluminum plate surface height differences, ensures that the deviation is at 1mm within range to realize aluminum plate's accurate installation.
As shown in fig. 9, the Z-shaped corner brace 8 is an aluminum alloy corner brace, and includes a first fixing portion 81, a connecting portion 82 and a second fixing portion 83, the connecting portion 82 is located between the first fixing portion 81 and the second fixing portion 83, the first fixing portion 81 is fixedly connected with the aluminum shaping plate 11, an included angle between the first fixing portion 81 and the connecting portion 82 is 85 °, and the Z-shaped corner brace is ensured to be tightly attached to the aluminum shaping plate. The second fixing portion 83 is fixedly connected with the keel, and an included angle between the second fixing portion 83 and the connecting portion 82 is 90 °. Z type angle sign indicating number is connected the one side symmetry with the fossil fragments and is set up two adjustable screw 84, and the limit distance between adjustable aluminum plate of single face and the fossil fragments is 8mm, and limit distance is 16mm when adjusting two adjacent aluminum plate surface smoothness, and the flexibility and the accuracy nature of roughness regulation when greatly having increased aluminum plate installation.
And S5, installing a fireproof isolation strip, installing the fireproof isolation strip at the top and the bottom of the vertical keel, and arranging the fireproof isolation strip at the upper opening and the lower opening of the window if meeting the position of the window. As shown in FIG. 10, the fireproof material has a thickness of not less than 100mm and a density of not less than 110kg/m3The high-quality fireproof rock wool 91 has the combustion performance of A level and the fireproof time limit of not less than 1.5 hours. A galvanized steel plate with the thickness of 1.5mm is adopted to support 92, and fireproof sealing materials are filled in gaps among the supporting plate, the main body structure, the curtain wall structure and the supporting plate.
And S6, mounting the glass breast board upright post. The elevation of the top of the curtain wall is 3.25m, the top is provided with a glass breast board for protection, the upright posts are stainless steel tubes with the diameter of 50 multiplied by 2mm, the distance is 1050mm in distribution, and the upright posts are positioned at the center of the aluminum plate. The guardrail column is installed before the capping aluminum plate is installed, the aluminum plate is pre-perforated, the size is 52mm multiplied by 52mm, the steel pipe can smoothly penetrate through the aluminum plate, and finally the junction of the column and the aluminum plate is sealed by using silicone structural adhesive.
S7, mounting an openable aluminum plate: as shown in fig. 11, an openable aluminum plate is disposed at a position corresponding to the aluminum plate curtain wall area where the openable aluminum alloy window 14 is disposed, the openable aluminum plate is a perforated aluminum plate 13, the bottom is an open side, and the top is a rotatable side. The side is opened to the bottom and is set up hidden colluding hand and handle, is convenient for open, and the rotatable side in top is provided with leads to long hinge 15, and the aluminum plate inboard is provided with horizontal additional fossil fragments, and the fluorocarbon spraying is handled on the surface, leads to long hinge 15 and additional fossil fragments fixed connection, additional fossil fragments both ends respectively with broken line fossil fragments fixed connection.
It should be noted that the curtain wall installation tolerance is shown in the following table:
although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The construction method of the arc-shaped aluminum plate curtain wall with the staggered and laminated folding lines for the decoration of the outer wall of the arc-shaped stage is characterized by comprising the following steps of: the method comprises the following steps:
s1, designing an aluminum plate curtain wall: the aluminum plate curtain wall is integrally divided into three arc parts with different radiuses and different circle centers based on the structural modeling and the size of the arc-shaped stage outer wall, each arc part comprises a plurality of aluminum plate modeling units, five fold lines which are bent in an internal-external cross mode are distributed along the height direction of each aluminum plate modeling unit, and the fold lines of two adjacent aluminum plate modeling units are distributed in a staggered mode;
s2, processing the modeling aluminum plate based on the aluminum plate curtain wall design;
s3, installing a keel, wherein the keel comprises a vertical keel and a horizontal keel;
s4, fixedly connecting each modeling aluminum plate unit with the keel in sequence to finish the accurate installation of the modeling aluminum plate;
s5, installing a fireproof isolation belt;
and S6, mounting the glass breast board upright post.
2. The construction method of the arc-shaped stage external wall decoration arc-shaped aluminum plate curtain wall with staggered folding lines as claimed in claim 1, is characterized in that: in step S1, according to the maximum plate width of the aluminum plate and the distance between the glass breast board columns at the top of the aluminum plate outer wall, each arc-shaped aluminum plate is divided equally along the arc length thereof, so that the arc length of each aluminum plate unit is equal, each aluminum plate unit is divided symmetrically in the middle and divided into five sections along the height direction, a splice is arranged between two adjacent aluminum plates, so that each aluminum plate unit includes ten aluminum plates, and the splice is arranged at the middle position of the internal corner folding edge and the external corner folding edge, so that after two adjacent aluminum plate units are installed, the upright aluminum plate is an integral plate at the internal corner and the external corner, and has no splice, and two adjacent aluminum plate units on the side vertical surface are staggered to form a splice-free shape or a delta shape.
3. The construction method of the arc-shaped stage external wall decoration arc-shaped aluminum plate curtain wall with staggered folding lines as claimed in claim 1, is characterized in that: in step S2, based on the aluminum plate curtain wall design, processing the aluminum plate for molding includes: every molding aluminum plate unit length is 2m, and the piece width is 15mm, and molding aluminum plate adopts the thick aluminium veneer of 2.5mm, and the surface carries out the fluorine carbon spraying and handles, is equipped with the aluminum alloy window on the aluminum plate curtain wall, and the molding aluminum plate unit that is equipped with the aluminum alloy window adopts perforation aluminum plate, and perforation aluminum plate adopts the thick aluminium veneer of 2.5mm to perforate, and the perforation rate is 30%, and does not set up the perforation in the 50mm scope of piece and dog-ear left and right sides.
4. The construction method of the arc-shaped stage external wall decoration arc-shaped aluminum plate curtain wall with staggered folding lines as claimed in claim 1, is characterized in that: in step S3, the keel mounting method includes the steps of:
s31, measuring and positioning by adopting a double-chord fixed point method to determine the point position and the angle of the integral keel and ensure that the axis deviation range of the installed keel is controlled within 10 mm;
s32, after measurement and positioning, mounting an adapter on the structural wall, and fixedly connecting the adapter with the vertical keel;
s33, after the vertical keels are installed, horizontal keels are installed according to the aluminum plate assembling grid spacing, and the keel frameworks are connected into a whole;
the vertical keels are arranged at fixed positions of edges on two sides of the modeling aluminum plate unit or at positions of vertical splicing seams in the middle of the modeling aluminum plate unit, and the horizontal keels are arranged at positions of horizontal splicing seams of the modeling aluminum plate unit.
5. The construction method of the arc-shaped stage external wall decoration arc-shaped aluminum plate curtain wall with staggered and laminated folding lines as claimed in claim 4, is characterized in that: the method for measuring and positioning by adopting the double-chord fixed point method to determine the point position and the angle of the integral keel comprises the following steps: erecting a theodolite at the circle center of each circular arc part, taking the middle point of the circular arc part of the middle section as a positioning point of a first vertical keel, and positioning a direction line where a second vertical keel with the distance of 4-6 spans from the first vertical keel by using the theodolite; calculating a first chord length between two placed vertical keel adapters according to the measured central angle and radius, checking according to the first chord length, determining the positioning of a second vertical keel adapter according to the reference point, the direction line and the first chord length of the first vertical keel adapter, and determining the positioning of a bottom adapter of the second vertical keel through a suspension wire; calculating a second chord length at the outer edge of the vertical keel according to the distance from the outer edge of the vertical keel to the structural wall, and calibrating the accurate positioning of the second vertical keel according to the reference point, the second chord length and the radial line of the first vertical keel; evenly distributing the positioning of the vertical keels among the spans, positioning one by one, and finishing the installation of all the vertical keels.
6. The construction method of the arc-shaped stage external wall decoration arc-shaped aluminum plate curtain wall with staggered folding lines as claimed in claim 1, is characterized in that: in step S4, each aluminum molding plate unit is fixedly connected to the keel in sequence, and the precise installation of the aluminum molding plate is completed by the following steps:
s41, fixedly connecting the adjustable Z-shaped corner brace with the aluminum modeling plate;
s42, the Z-shaped corner connectors are fixedly connected with the horizontal keel and the vertical keel respectively at the positions of the horizontal abutted seam and the vertical abutted seam of each modeling aluminum plate unit, and the surface height difference of two adjacent modeling aluminum plates is adjusted by adjusting the relative positions of the Z-shaped corner connectors, the horizontal keel and the vertical keel.
7. The construction method of the arc-shaped stage external wall decoration arc-shaped aluminum plate curtain wall with staggered folding lines as claimed in claim 6, is characterized in that: each vertical keel comprises a vertical keel and a fold line keel fixed on the outer side of the vertical keel, the overall shape of the fold line keel structure comprises two types, and each overall shape comprises seven fold line keels which are connected in sequence and arranged in a fold line shape.
8. The construction method of the arc-shaped stage external wall decoration arc-shaped aluminum plate curtain wall with staggered and laminated folding lines as claimed in claim 7, is characterized in that: z type angle sign indicating number is including first fixed part, connecting portion and the second fixed part that is the Z style of calligraphy, and connecting portion are located between first fixed part and the second fixed part, first fixed part and molding aluminum plate fixed connection, the contained angle of first fixed part and connecting portion is 85, second fixed part and fossil fragments fixed connection, and the contained angle of second fixed part and connecting portion is 90.
9. The construction method of the arc-shaped stage external wall decoration arc-shaped aluminum plate curtain wall with staggered and laminated folding lines as claimed in claim 8, is characterized in that: in step S5, fire barriers are installed at the top and bottom of the mullion, and if there is a window, fire barriers are installed at the top and bottom of the window.
10. The construction method of the arc-shaped stage external wall decoration arc-shaped aluminum plate curtain wall with staggered folding lines as claimed in claim 1, is characterized in that: further comprising: s7, mounting an openable aluminum plate: the aluminum plate curtain wall area is provided with an openable aluminum plate at the corresponding part of the openable aluminum alloy window, the openable aluminum plate is a perforated aluminum plate, the bottom is an opening side, and the top is a rotatable side.
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