CN110306704B - Hollow aluminum plate and glass composite curtain wall structure and mounting method thereof - Google Patents
Hollow aluminum plate and glass composite curtain wall structure and mounting method thereof Download PDFInfo
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- CN110306704B CN110306704B CN201910472585.XA CN201910472585A CN110306704B CN 110306704 B CN110306704 B CN 110306704B CN 201910472585 A CN201910472585 A CN 201910472585A CN 110306704 B CN110306704 B CN 110306704B
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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
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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
- E04B2/965—Connections of mullions and transoms
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Abstract
The invention discloses a hollowed-out aluminum plate and glass composite curtain wall structure and an installation method thereof, and the structure comprises an aluminum alloy upright, an aluminum alloy cross beam, a glass plate, an aluminum alloy base and a hollowed-out aluminum veneer, wherein the aluminum alloy cross beam is arranged on the aluminum alloy upright, the glass plate is arranged on the aluminum alloy cross beam and is fixed on the aluminum alloy upright through a pressing block, a T-shaped aluminum alloy connecting piece is arranged at a seam position between adjacent glass plates in a penetrating manner, one end of the T-shaped aluminum alloy connecting piece is fixed with the aluminum alloy upright, the other end of the T-shaped aluminum alloy connecting piece is fixed with the aluminum alloy base. The invention has the beneficial effects that: compared with the traditional construction, the aluminum alloy connecting base for the hollowed-out aluminum veneer keel replaces a hot galvanizing square pipe, the structure is simple, the installation is very simple, the investment of a large amount of materials, manpower and other resources is saved, and the cost saving rate reaches over 47%.
Description
Technical Field
The invention relates to the technical field of architectural decoration engineering, in particular to a hollow aluminum plate and glass composite curtain wall structure and an installation method thereof.
Background
In the traditional glass curtain wall construction, the outer vertical surface of the glass curtain wall has a single form, and graphic design cannot be carried out, so that the application universality of the glass curtain wall is influenced; however, in the prior art, a structural form of combining the glass curtain wall and the hollowed-out aluminum veneer is not available, and the hollowed-out aluminum veneer construction is difficult to be carried out on the basis of the glass curtain wall, so that the innovative application of combining the glass curtain wall and the hollowed-out aluminum veneer is realized through the structural improvement and the construction method.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a hollow aluminum plate and glass composite curtain wall structure with reasonable design and an installation method thereof.
The technical scheme of the invention is as follows:
fretwork aluminum plate, glass combined type curtain wall construction, its characterized in that includes aluminum alloy stand, aluminum alloy crossbeam, glass plate, aluminum alloy base and fretwork aluminium veneer, the aluminum alloy crossbeam sets up on the aluminum alloy stand, the glass plate sets up on the aluminum alloy crossbeam to fix on the aluminum alloy stand through the briquetting, T type aluminum alloy connecting piece is worn to be equipped with in seam position department between the glass plate is adjacent, and T type aluminum alloy connecting piece one end is fixed with the aluminum alloy stand, and the other end is fixed with the aluminum alloy base, fretwork aluminium veneer is fixed on the aluminum alloy base.
Hollow aluminum plate, glass combined type curtain wall construction, its characterized in that, T type aluminum alloy connecting piece is including fixed diaphragm and connection riser, T type aluminum alloy connecting piece passes through fixed diaphragm and aluminum alloy stand fixed connection, through connecting riser and aluminum alloy base fixed connection.
Hollow aluminum plate, glass combined type curtain wall construction, its characterized in that, aluminum alloy base includes vertical aluminum alloy connection base and sets up the horizontal aluminum alloy connection base at vertical aluminum alloy connection base, horizontal aluminum alloy connection base passes through spring bolt and vertical aluminum alloy connection base fixed connection, vertical aluminum alloy connection base passes through the fixed setting of angle sign indicating number one on the connection riser of T type aluminum alloy connecting piece, hollow aluminum veneer is fixed on horizontal aluminum alloy connection base.
The hollow aluminum plate and glass composite curtain wall structure is characterized in that hidden frame glass supporting strips are arranged on the aluminum alloy cross beam, and the glass plate blocks are arranged on the aluminum alloy cross beam through the hidden frame glass supporting strips.
The mounting method of the hollow aluminum plate and glass composite curtain wall structure is characterized by comprising the following steps:
1) construction preparation: preparing materials according to the requirements of design drawings, and stacking the materials in corresponding places according to the types and specifications of the materials in a classified manner;
2) CAD aided design: designing a curtain wall structure and structure, curtain wall design parameters, curtain wall performance indexes, curtain wall material selection and construction parameters according to computer software;
3) and (3) measurement and paying-off: measuring and paying off according to the known positioning axis and elevation of the civil engineering;
4) installing an embedded part: positioning by using a theodolite according to the design size of the aluminum alloy upright column, and embedding an embedded part according to the drawing requirement;
5) mounting an aluminum alloy upright: mounting the aluminum alloy upright posts according to the specific paying-off position; connecting the aluminum alloy upright post with a second corner brace by using a bolt, and after the second corner brace is installed, calibrating and fixing the second corner brace, installing the aluminum alloy upright post on the embedded part;
6) mounting an aluminum alloy beam: before the aluminum alloy cross beam is installed, connecting pieces at two ends are installed at corresponding positions of the aluminum alloy upright posts; the installation of the aluminum alloy cross beam on the same layer is carried out from bottom to top, and when the aluminum alloy cross beam is installed on one layer, the aluminum alloy cross beam is checked, adjusted, corrected and fixed to meet the quality requirement; after the aluminum alloy cross beam and the aluminum alloy upright post are installed, a T-shaped aluminum alloy connecting piece is installed on the aluminum alloy upright post according to the design separation requirement and is used as a support of the hollowed aluminum plate keel;
7) fireproof plugging and installation: after the aluminum alloy beam is installed, installing a fireproof plug, adopting fireproof heat-preservation rock wool and a galvanized steel plate for plugging, and ensuring the continuity of the fireproof plug during installation;
8) installing a glass plate: firstly, mounting a hidden frame glass supporting strip on an aluminum alloy beam, and moving a glass plate to the hidden frame glass supporting strip by adopting a sucking disc; the accurate installation position of the glass plate is controlled and adjusted by using a theodolite eyepiece cross wire, the horizontal height of the glass plate is checked and adjusted by using a level gauge, and the horizontal deviation of the glass is ensured to be within an allowable range; when the glass plate is accurately installed, fixing the glass plate by using a pressing plate; after all the glass plates are installed, the flatness of the whole vertical face is checked;
9) injecting weather-resistant glue into the glass plate: continuously and uniformly injecting glue, namely injecting a transverse seam and then injecting a vertical seam; the vertical glue seam is preferably carried out from top to bottom, after the glue is fully filled, whether bubbles, voids, broken joints and impurities exist in the glue seam or not is checked, if the bubbles, voids, broken joints and impurities exist in the glue seam, the glue seam is processed in time, when glue is injected every other day, a punched glue head is cleaned at the joint of the glue seam, and a glue tail injected in the previous time is cut off to ensure that the connection of the two times of glue injection is tight;
10) aluminum alloy connection base fixed mounting: accurately fixing the vertical aluminum alloy connecting base on the T-shaped aluminum alloy connecting piece by using a bolt according to the paying-off position, detecting the elevation and the center line position at any time during installation, and correcting the position to ensure that the vertical aluminum alloy connecting base is vertical and flat and meets the design requirements of a drawing; spring bolts at two ends of the transverse aluminum alloy connecting base are arranged at preset positions of the vertical aluminum alloy connecting base, and are firmly arranged, and the joint seam is tight;
11) mounting the hollowed-out aluminum veneer: the hollow aluminum veneer and the aluminum alloy connecting base are fixed through self-tapping screws, and arrangement lines are arranged according to the elastic plate blocks during installation and are sequentially installed from one direction;
12) and (3) cleaning and gluing the hollowed-out aluminum veneer: and (3) filling a gasket at the joint of the hollow aluminum single plates, then coating a sealant on the gasket, and finally removing the protective film of the hollow aluminum single plates.
The mounting method of the hollow aluminum plate and glass composite curtain wall structure is characterized in that the step 3) specifically comprises the following steps:
3.1) measuring and setting out according to the known positioning axis and elevation of the civil engineering, and rechecking the embedded part according to the setting out position; b, elastically setting a curtain wall positioning auxiliary line according to an axis in a design drawing; determining the installation position of each corner framework by each curtain wall positioning auxiliary line according to a keel layout drawing, and determining curtain wall positioning lines and upright column dividing lines at the bottom layer according to the dividing size of the transverse axis of a design drawing;
3.2) approving each upright post dividing line of the bottom layer of the curtain wall by using a theodolite, then placing a vertical steel wire from the bottom layer to the top layer by taking each upright post dividing line of the bottom layer as a reference, and then fixing the steel wire after calibration by using the theodolite, wherein the steel wire is used as a positioning control line for installing the glass curtain wall framework of the surface; according to the elevation of the building, a level gauge is used for leading out a horizontal point on the outer eave of the building, and a horizontal line is popped out to serve as a horizontal datum line; after the datum line is determined, taking the datum line as a transverse framework to install a horizontal control line; and detecting and rechecking the grid axes of each upright post, and matching with the actually measured data of the main structure of the building to timely adjust the generated errors.
The mounting method of the hollowed-out aluminum plate and glass composite curtain wall structure is characterized in that the elevation deviation of the embedded part in the step 4) is less than or equal to 10mm, and the deviation between the position of the embedded part and the design position is less than or equal to 20 mm; if the rear embedded part is adopted, the chemical anchor bolt is required to be subjected to drawing test after the installation is finished, and the drawing force is required to meet the design requirement.
The mounting method of the hollow aluminum plate and glass composite curtain wall structure is characterized in that when the aluminum alloy cross beam is mounted in the step 6), a drainage system is arranged in the design, a condensate water discharge pipe and accessories of the drainage system are tightly connected with a reserved hole of the aluminum alloy cross beam, and a rubber sealing strip is arranged at the connection position of the condensate water discharge pipe and the accessories and a water outlet hole of the lining plate.
The mounting method of the hollow aluminum plate and glass composite curtain wall structure is characterized in that in the step 10), the mounting elevation deviation of the vertical aluminum alloy connecting base is less than or equal to 3 mm, the axis front-back deviation is less than or equal to 2mm, and the left-right deviation is less than or equal to 3 mm; the elevation deviation of two adjacent vertical aluminum alloy connecting bases is less than or equal to 3 mm, and the maximum elevation deviation of the vertical aluminum alloy connecting base on the same layer is less than or equal to 5 mm; the vertical aluminum alloy connecting bases are encrypted according to the width and height modulus of the veneer at the bottom, the top and the corner of the wall; the horizontal deviation of the two adjacent transverse aluminum alloy connecting bases is less than or equal to 1 mm, and when the closing-in length is less than or equal to 35m, the horizontal deviation is less than or equal to 5 mm; when the closing length of one frame is more than 35m, the closing length is less than or equal to 7 mm; the contact position of different metal materials is isolated by adopting an anticorrosive material to prevent electrostatic corrosion.
The mounting method of the hollow aluminum plate and glass composite curtain wall structure is characterized in that before glue injection in the step 12), gaps of the hollow aluminum veneer and the surface of the aluminum alloy connecting base are cleaned by using a cleaning agent, and the cleaned gap is sealed within 1 hour; when the sealant is injected, the adhesive tape paper is used for protecting materials at two sides of the sealant seam so that the sealant is not polluted, the sealant needs to be fully injected, no gap or air bubble exists, and the thickness of the sealant is 3-4 mm.
The invention has the beneficial effects that: compared with the traditional construction, the aluminum alloy connecting base for the hollowed-out aluminum veneer keel replaces a hot galvanizing square pipe, the structure is simple, the installation is very simple, the investment of a large amount of materials, manpower and other resources is saved, and the cost saving rate reaches over 47%.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a view showing an installation structure of aluminum alloy columns and beams according to the present invention.
In the figure: the aluminum alloy plate comprises 1-aluminum alloy upright posts, 2-aluminum alloy cross beams, 3-glass plates, 4-T-shaped aluminum alloy connecting pieces, 5-vertical aluminum alloy connecting bases, 6-transverse aluminum alloy connecting bases, 7-hollowed aluminum veneers, 8-corner connectors II, 9-embedded parts, 10-hidden frame glass supporting strips, 11-spring bolts and 12-gaskets.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1-2, the hollowed-out aluminum plate and glass composite curtain wall structure comprises an aluminum alloy upright 1, an aluminum alloy cross beam 2, a glass plate 3, an aluminum alloy base and a hollowed-out aluminum veneer 7, wherein the aluminum alloy cross beam 2 is arranged on the aluminum alloy upright 1, the glass plate 3 is arranged on the aluminum alloy cross beam 2 and is fixed on the aluminum alloy upright 1 through a pressing block, a T-shaped aluminum alloy connecting piece 4 penetrates through a seam position between adjacent glass plates 3, one end of the T-shaped aluminum alloy connecting piece 4 is fixed with the aluminum alloy upright 1, the other end of the T-shaped aluminum alloy connecting piece is fixed with the aluminum alloy base, and the hollowed-out.
T type aluminum alloy connecting piece 4 is including fixed diaphragm and connection riser, T type aluminum alloy connecting piece 4 is through fixed diaphragm and 1 fixed connection of aluminum alloy stand, through connecting riser and aluminum alloy base fixed connection.
The aluminum alloy base comprises a vertical aluminum alloy connecting base 5 and a transverse aluminum alloy connecting base 6 arranged on the vertical aluminum alloy connecting base 5, the transverse aluminum alloy connecting base 6 is fixedly connected with the vertical aluminum alloy connecting base 5 through a spring bolt, the vertical aluminum alloy connecting base 5 is fixedly arranged on a connecting vertical plate of a T-shaped aluminum alloy connecting piece 4 through an angle code I, and the hollowed-out aluminum veneer 7 is fixed on the transverse aluminum alloy connecting base 6.
The aluminum alloy beam 2 is provided with a hidden frame glass supporting strip 10, and the glass plate 3 is arranged on the aluminum alloy beam 2 through the hidden frame glass supporting strip 10.
The mounting method of the hollow aluminum plate and glass composite curtain wall structure comprises the following steps:
1) construction preparation: materials such as curtain wall framework materials, glass, sealing joint filling materials, structural bonding materials, aluminum alloy connecting bases, hollow aluminum plates, hardware and the like are purchased strictly according to the requirements of design drawings, and the purpose of checking the materials of goods input and delivery is achieved; the related materials must have quality assurance and performance test reports, the quality of the materials is strictly related, and the unqualified materials are forbidden to be used. The state enforces the requirement of materials which must be retested and tested, and the materials can enter the field after the retested and tested conditions; the components are carried without collision and damage, and when the materials are stacked on site, the materials are classified and stacked in corresponding sites and warehouses according to types and specifications.
2) CAD aided design:
designing a curtain wall structure and structure, curtain wall design parameters, curtain wall performance indexes, curtain wall material selection and construction parameters according to computer software; the aluminum profile used by the framework of the curtain wall is high-quality high-precision aluminum profile, the surface of the indoor exposed part is treated by powder spraying, and the part in contact with the structural adhesive is subjected to anodic oxidation or surface treatment. The surface of the outdoor exposed part is treated by fluorocarbon spraying; the column specification is mainly 160 × 80, and the beam specification is mainly 80 × 80. The facade glass mainly adopts 6 (toughened) +1.52PVB +6 (toughened) LOW-E +12Ar +8 (toughened) hollow laminated glass; the sealant mainly adopts silicone structure sealant and silicone weather-resistant sealant, the aluminum alloy connecting base adopts high-precision aluminum profiles to replace a hollowed aluminum plate framework, the aluminum alloy stand columns are connected with the aluminum alloy connecting base through aluminum alloy connecting pieces, and then the hollowed aluminum plates are installed on the aluminum alloy connecting base.
3) And (3) measurement and paying-off:
3.1) measuring and paying off the known positioning axis and elevation of the civil engineering by a measurer, and rechecking the embedded part according to the paying off position; b, elastically setting peripheral positioning auxiliary lines according to the auxiliary axis of the building, and determining the installation position of each corner framework by each positioning auxiliary line according to a keel layout drawing, so as to determine curtain wall positioning lines and upright column dividing lines on the bottom layer according to the transverse dividing size of a design drawing;
3.2) approving the dividing lines of the bottom-layer upright posts of the curtain wall by using a theodolite, then taking the dividing lines of the bottom-layer upright posts as a reference, placing vertical steel wires from the bottom layer to the top layer, calibrating by using the theodolite, and then fixing, and taking the steel wires as a framework of the surface to install a positioning control line; according to the elevation of the building, a level gauge is used for leading out a horizontal point on the outer eave of the building, and a horizontal line is popped out to serve as a horizontal datum line; after the datum line is determined, the datum line can be used as a horizontal framework for installing a horizontal control line; checking each grid axis, matching with the actual measurement data of the main structure, and analyzing and digesting the errors of the main structure; the measurement paying-off is carried out under the condition that the wind power is not more than 4 grades, and necessary wind shielding measures are taken.
4) Installing an embedded part:
4.1) positioning by using a theodolite or other measuring instruments according to the design size of the aluminum alloy upright column, and embedding the embedded part according to the drawing requirement after checking that the positioning is correct; when the embedded part is installed, measures are taken to control the surface of the embedded part to be horizontal or vertical, and to be strictly forbidden to be inclined, inclined and the like;
4.2) checking whether the embedded part is firm and accurate in position, and rechecking the position error of the embedded part according to the design requirement; when the design has no clear requirement, the elevation deviation of the embedded part is less than or equal to 10mm, and the deviation of the position of the embedded part and the design position is less than or equal to 20 mm.
4.3) if a rear embedded part is adopted, the chemical anchor bolt is subjected to drawing test after the installation is finished, and the drawing force meets the design requirement.
5) Mounting an aluminum alloy upright:
5.1) installing the aluminum alloy upright posts according to the specific paying-off position; connecting the aluminum alloy upright post with the first corner brace by using a bolt; when the first corner brace is installed, tightening of a fastening bolt and meeting of the requirement of the deviation position are noticed, and after the connecting piece is installed, the aluminum alloy upright post and the embedded part are installed after calibration and fixation are finished; the installation of aluminum alloy stand is generally installed from bottom to top, namely, the installation is carried out from the bottom layer, one layer of the aluminum alloy stand is installed upwards, and the connection of the upper stand and the lower stand is connected through an aluminum alloy sleeve core.
5.2) connecting the aluminum alloy upright column with the embedded part through a second corner connector and a bolt; attention should be paid to the handling of the columns themselves; for example, the surface treatment method of the aluminum alloy upright post can prevent the damage of the protective coating; before the aluminum alloy upright post is installed, whether the specification, the size, the quantity and the serial number of the upright post are consistent with those of construction drawings or not is carefully checked.
5.3) during installation of the second corner connector, attention should be paid to tightening of a fastening bolt and meeting of the requirement of the deviation position, and after the aluminum alloy upright post is connected with the connecting piece, the aluminum alloy upright post is adjusted and fixed; after the aluminum alloy upright post is preliminarily positioned according to the deviation requirement, self-checking is carried out, and adjustment and correction are carried out on unqualified aluminum alloy upright posts; and after the self-inspection is qualified, reporting the quality inspection personnel to perform the spot inspection, wherein the number of the spot inspection is more than 5% of the total number of the aluminum alloy stand columns, and the number of the spot inspection personnel is not less than 5.
6) Mounting an aluminum alloy beam:
6.1) before the aluminum alloy beam is installed, the connecting pieces at the two ends and the elastic rubber pads are installed at the corresponding positions of the upright posts, the installation is required to be firm, and the seam is tightly in line with the design and specification requirements.
6.2) the installation of the aluminum alloy beam on the same layer is carried out from bottom to top, and when the aluminum alloy beam is installed on one layer, the aluminum alloy beam is checked, adjusted, corrected and fixed to meet the quality requirement.
6.3) when the aluminum alloy beam is installed, attention should be paid to the fact that a drainage system exists in the design, a condensate water drainage pipe and accessories should be tightly connected with a reserved hole of the beam, and a rubber sealing strip should be arranged at the position, connected with a water outlet hole of the lining plate, of the condensate water drainage pipe; other ventilation reserved holes, rainwater outlets and the like are constructed according to the design without omission; after the aluminum alloy beam and the stand column are installed, a T-shaped aluminum alloy connecting piece with the thickness of 6mm is installed on the stand column according to the design separation requirement, and the support effect of the hollow aluminum plate keel is achieved.
7) Fireproof plugging and installation:
after the aluminum alloy beam is installed, the fireproof plugs are installed in due time. The fireproof heat-preservation rock wool with the specification of 400 multiplied by 50mm and the thickness of 100mm and galvanized steel plate with the thickness of 1.5mm are adopted for plugging, and attention should be paid to plugging to ensure the continuity of the plugging.
8) Installing a glass plate:
8.1) before the glass is installed, whether the verticality, elevation and horizontal position of the aluminum alloy framework meet the design requirements or not is checked and corrected; before installation, the glass and the suckers are cleaned, and the number of the suckers is determined according to the weight of the glass and the specification of the suckers.
8.2) controlling and adjusting the accurate installation position of the glass plate by using a theodolite eyepiece cross wire; the level of the glass plate is checked and adjusted by a level gauge. And ensuring that the horizontal deviation of the glass is within an allowable range.
8.3) when the glass plate is accurately installed, the pressing plate is fixed, and the fixing is strictly executed according to design requirements or related specifications, and the fastening screws of the pressing plate are strictly prohibited to be installed less or not installed.
8.4) the positions of the upper part, the lower part, the left part and the right part of the glass are adjusted on site, the horizontal deviation of the glass is ensured to be within an allowable range, and the flatness of the whole vertical surface is checked after the glass is completely adjusted.
9) Injecting weather-resistant glue into the glass plate:
and 9.1) wiping the glass glue injection part by using dimethylbenzene and a clean towel before glue injection. And sticking protective adhesive paper on the part needing glue injection, and paying attention to the fact that the adhesive paper and the adhesive seam are straight.
9.2) glue injection is continuously and uniformly carried out, and the operation sequence is generally as follows: firstly, injecting a transverse seam and then injecting a vertical seam; the vertical glue seam is preferably from top to bottom, and after the glue is filled, whether bubbles, voids, broken seams and impurities exist in the glue seam or not is checked, and if the bubbles, broken seams and impurities exist in the glue seam, the glue seam is timely treated. When injecting glue every other day, the joint of the glue seam should be cleaned up and the tail of the glue injected in the previous time is cut off to ensure the tight connection of the two times of glue injection.
9.3) after the weather-resistant glue is modified, quickly removing the adhesive tape adhered on the glass, and after the glass glue is cured, cleaning the inner glass and the outer glass and making a protective mark; it should be noted especially that when the injecting glue of glass curtain wall is sealed, should not pollute the glass panels and guarantee that the injecting glue width between the glass panels satisfies the design requirement.
10) Installing an aluminum alloy connecting base:
10.1) the aluminum alloy connecting base is made of aluminum section generally, the aluminum alloy connecting base is accurately installed and firmly installed; during installation, the center line, the surface elevation and the like are inspected; the deformation joint, the settlement joint, the variable cross section and the like are properly treated, so that the use requirements are met.
10.2) accurately fixing the vertical aluminum alloy connecting base on the T-shaped aluminum alloy connecting piece by using a bolt according to the position of a bullet line, and checking the elevation and the center line position at any time during installation and correcting the position of the elevation and the center line position to ensure that the vertical aluminum alloy connecting base is vertical and flat and meets the design requirement of a drawing; the installation elevation deviation of the vertical aluminum alloy connection base is less than or equal to 3 mm, the axis front and back deviation is less than or equal to 2mm, and the left and right deviation is less than or equal to 3 mm; the elevation deviation of two adjacent vertical aluminum alloy connecting bases is smaller than or equal to 3 mm, the maximum elevation deviation of the vertical aluminum alloy connecting base on the same layer is smaller than or equal to 5mm, and the vertical aluminum alloy connecting bases are encrypted according to the width and height modulus of the veneer according to the conditions at special positions such as the bottom, the top and the corner of the wall.
10.3) installing stainless steel spring bolts at two ends of the transverse aluminum alloy connecting base at preset positions of the vertical aluminum alloy connecting base, wherein the installation is firm, and the joint seam is tight; the horizontal deviation of two adjacent transverse aluminum alloy connecting bases is less than or equal to 1 mm; in the elevation deviation of the same layer, when the closing-in length is less than or equal to 35m, the closing-in length is less than or equal to 5 mm; when the necking length is more than 35m, the necking length is less than or equal to 7 mm. The contact position of different metal materials is isolated by adopting an anticorrosive material to prevent electrostatic corrosion.
11) Mounting the hollowed-out aluminum veneer:
the hollow aluminum veneer and the aluminum alloy connecting base are mainly fixed by self-tapping screws, and the arrangement lines are arranged according to the elastic plate blocks during installation and are sequentially installed from one direction; the hollow aluminum veneer should be lightly taken and lightly placed when being installed to protect the plate surface from collision or scratch, and when the hollow aluminum veneer is fixed by the self-tapping screws, holes with the diameter of 4.2mm are punched by an electric hand drill and then the screws are screwed.
12) And (3) cleaning and gluing the hollowed-out aluminum veneer:
filling a gasket 12 at the joint, applying a sealant, removing the protective film of the hollowed aluminum veneer, cleaning the gap of the hollowed aluminum veneer and the surface of the aluminum alloy connecting base by using a cleaning agent before glue injection, sealing the cleaned material within one hour, and otherwise, cleaning again. The sealant needs to be filled with no gap or bubble, and the thickness of the sealant is not less than 3 and not more than 4 mm. The cleaning wiping cloth needs to be replaced in time to keep clean, the solvent is used according to the instructions on the label, and the firework is strictly forbidden when the solvent is used; when the sealant is injected, the adhesive tape paper is used for protecting the materials at the two sides of the sealant seam so as to prevent the sealant seam from being polluted.
Claims (4)
1. The mounting method of the hollowed-out aluminum plate and the glass composite curtain wall structure comprises an aluminum alloy upright post (1), an aluminum alloy cross beam (2), a glass plate (3), an aluminum alloy base and a hollowed-out aluminum veneer (7), wherein the aluminum alloy cross beam (2) is arranged on the aluminum alloy upright post (1), the glass plate (3) is arranged on the aluminum alloy cross beam (2) and fixed on the aluminum alloy upright post (1) through a pressing block, a T-shaped aluminum alloy connecting piece (4) penetrates through a seam position between adjacent glass plates (3), one end of the T-shaped aluminum alloy connecting piece (4) is fixed with the aluminum alloy upright post (1), the other end of the T-shaped aluminum alloy connecting piece is fixed with the aluminum alloy base, and the hollowed-out aluminum veneer (7) is fixed on the aluminum alloy base; the T-shaped aluminum alloy connecting piece (4) comprises a fixing transverse plate and a connecting vertical plate, and the T-shaped aluminum alloy connecting piece (4) is fixedly connected with the aluminum alloy upright post (1) through the fixing transverse plate and fixedly connected with the aluminum alloy base through the connecting vertical plate; the aluminum alloy base comprises a vertical aluminum alloy connecting base (5) and a transverse aluminum alloy connecting base (6) arranged on the vertical aluminum alloy connecting base (5), the transverse aluminum alloy connecting base (6) is fixedly connected with the vertical aluminum alloy connecting base (5) through a spring bolt (12), the vertical aluminum alloy connecting base (5) is fixedly arranged on a connecting vertical plate of a T-shaped aluminum alloy connecting piece (4) through a corner brace I, and the hollowed-out aluminum veneer (7) is fixed on the transverse aluminum alloy connecting base (6); the hidden frame glass supporting strip (10) is arranged on the aluminum alloy cross beam (2), and the glass plate block (3) is arranged on the aluminum alloy cross beam (2) through the hidden frame glass supporting strip (10);
the method is characterized by comprising the following steps:
1) construction preparation: preparing materials according to the requirements of design drawings, and stacking the materials in corresponding places according to the types and specifications of the materials in a classified manner;
2) CAD aided design: designing a curtain wall structure and structure, curtain wall design parameters, curtain wall performance indexes, curtain wall material selection and construction parameters according to computer software;
3) and (3) measurement and paying-off: measuring and paying off according to the known positioning axis and elevation of the civil engineering; the method specifically comprises the following steps:
3.1) measuring and setting out according to the known positioning axis and elevation of the civil engineering, and rechecking the embedded part according to the setting out position; b, elastically setting a curtain wall positioning auxiliary line according to an axis in a design drawing; determining the installation position of each corner framework by each curtain wall positioning auxiliary line according to a keel layout drawing, and determining curtain wall positioning lines and upright column dividing lines at the bottom layer according to the dividing size of the transverse axis of a design drawing;
3.2) approving each upright post dividing line of the bottom layer of the curtain wall by using a theodolite, then placing a vertical steel wire from the bottom layer to the top layer by taking each upright post dividing line of the bottom layer as a reference, and then fixing the steel wire after calibration by using the theodolite, wherein the steel wire is used as a positioning control line for installing the glass curtain wall framework of the surface; according to the elevation of the building, a level gauge is used for leading out a horizontal point on the outer eave of the building, and a horizontal line is popped out to serve as a horizontal datum line; after the datum line is determined, taking the datum line as a transverse framework to install a horizontal control line; detecting and rechecking the cellular axes of each upright post, and matching with the actually measured data of the main structure of the building to adjust the generated errors in time;
4) installing an embedded part: positioning by using a theodolite according to the design size of the aluminum alloy upright column (1), and embedding an embedded part (9) according to the drawing requirement;
5) mounting an aluminum alloy upright: mounting the aluminum alloy upright post (1) according to the specific paying-off position; connecting the aluminum alloy upright post (1) with the second corner brace (8) by using bolts, and after the second corner brace (8) is installed, calibrating and fixing, installing the aluminum alloy upright post (1) on the embedded part (9);
6) mounting an aluminum alloy beam: before the aluminum alloy cross beam (2) is installed, connecting pieces at two ends are installed at corresponding positions of the aluminum alloy upright posts (1); the installation of the aluminum alloy beam (2) on the same layer is carried out from bottom to top, and when the aluminum alloy beam is installed on one layer, the aluminum alloy beam is inspected, adjusted, corrected and fixed to meet the quality requirement; after the aluminum alloy beam (2) and the aluminum alloy upright post (1) are installed, a T-shaped aluminum alloy connecting piece is installed on the aluminum alloy upright post (1) according to the design separation requirement and is used as a support of the hollowed aluminum plate keel;
7) fireproof plugging and installation: after the aluminum alloy beam (2) is installed, installing a fireproof plug, adopting fireproof heat-preservation rock wool and a galvanized steel plate for plugging, and ensuring the continuity of the fireproof plug during installation;
8) installing a glass plate: firstly, mounting a hidden frame glass supporting strip (10) on an aluminum alloy beam (2), and moving a glass plate (3) to the hidden frame glass supporting strip (10) by adopting a sucking disc; the accurate installation position of the glass plate (3) is controlled and adjusted by a theodolite eyepiece cross wire, the horizontal height of the glass plate (3) is checked and adjusted by a level gauge, and the horizontal deviation of the glass is ensured to be within an allowable range; when the glass plate (3) is accurately installed, the glass plate (3) is fixed by a pressing plate; after the glass plate (3) is completely installed, the flatness of the whole vertical surface is checked;
9) injecting weather-resistant glue into the glass plate: continuously and uniformly injecting glue, namely injecting a transverse seam and then injecting a vertical seam; the vertical glue seam is preferably carried out from top to bottom, after the glue is fully filled, whether bubbles, voids, broken joints and impurities exist in the glue seam or not is checked, if the bubbles, voids, broken joints and impurities exist in the glue seam, the glue seam is processed in time, when glue is injected every other day, a punched glue head is cleaned at the joint of the glue seam, and a glue tail injected in the previous time is cut off to ensure that the connection of the two times of glue injection is tight;
10) aluminum alloy connection base fixed mounting: accurately fixing the vertical aluminum alloy connecting base on the T-shaped aluminum alloy connecting piece by using a bolt according to the paying-off position, detecting the elevation and the center line position at any time during installation, and correcting the position to ensure that the vertical aluminum alloy connecting base is vertical and flat and meets the design requirements of a drawing; spring bolts at two ends of the transverse aluminum alloy connecting base are arranged at preset positions of the vertical aluminum alloy connecting base, and are firmly arranged, and the joint seam is tight; the installation elevation deviation of the vertical aluminum alloy connection base is less than or equal to 3 mm, the axis front and back deviation is less than or equal to 2mm, and the left and right deviation is less than or equal to 3 mm; the elevation deviation of two adjacent vertical aluminum alloy connecting bases is less than or equal to 3 mm, and the maximum elevation deviation of the vertical aluminum alloy connecting base on the same layer is less than or equal to 5 mm; the vertical aluminum alloy connecting base is encrypted according to the width and height modulus of the hollow aluminum plate at the bottom, the top and the corner of the wall body; the horizontal deviation of two adjacent transverse aluminum alloy connecting bases is less than or equal to 1 mm, and the contact positions of different metal materials are isolated by adopting an anticorrosive material to prevent electrostatic corrosion;
11) mounting the hollowed-out aluminum veneer: the hollow aluminum veneer and the aluminum alloy connecting base are fixed through self-tapping screws, and arrangement lines are arranged according to the elastic plate blocks during installation and are sequentially installed from one direction;
12) and (3) cleaning and gluing the hollowed-out aluminum veneer: and (3) filling a gasket (12) at the joint of the hollow aluminum veneer, coating sealant on the gasket, and finally removing the protective film of the hollow aluminum veneer.
2. The method for installing the hollowed-out aluminum plate and glass composite curtain wall structure according to claim 1, wherein the elevation deviation of the embedded part (9) in the step 4) is less than or equal to 10mm, and the deviation between the position of the embedded part (9) and the design position is less than or equal to 20 mm; if the rear embedded part is adopted, the chemical anchor bolt is required to be subjected to drawing test after the installation is finished, and the drawing force is required to meet the design requirement.
3. The method for installing the hollowed-out aluminum plate and glass composite curtain wall structure as claimed in claim 1, wherein when the aluminum alloy cross beam (2) is installed in the step 6), it should be noted that if a drainage system exists in the design, a condensed water discharge pipe and accessories of the drainage system should be tightly connected with a preformed hole of the aluminum alloy cross beam (2), and a rubber sealing strip should be arranged at a connection position with a water outlet hole of the lining plate.
4. The method for installing the hollowed-out aluminum plate and glass composite curtain wall structure according to claim 1, wherein before the step 12) of glue injection, a cleaning agent is used for cleaning gaps of the hollowed-out aluminum veneer and the surface of the aluminum alloy connecting base, and the cleaned gaps are sealed within 1 hour; when injecting the sealing glue, the adhesive tape paper is used to protect the materials at the two sides of the glue seam from being polluted,
the sealant is required to be filled with no gap or bubble, and the thickness of the sealant is 3-4 mm.
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| CN112302465A (en) * | 2020-10-29 | 2021-02-02 | 温州建设集团有限公司 | Intelligent fire-fighting smoke-discharging window-opening machine system for glass curtain wall opening sash and construction process of intelligent fire-fighting smoke-discharging window-opening machine system |
| CN114961052B (en) * | 2022-05-09 | 2024-04-09 | 北京市机械施工集团有限公司 | Snowflake aluminum plate, connecting node and installation method |
| CN114922437A (en) * | 2022-06-17 | 2022-08-19 | 泉州市中荣幕墙装饰有限公司 | Installation method of seamless aluminum veneer |
| CN117803116B (en) * | 2024-02-29 | 2024-05-07 | 山东铭城环保新材料科技有限公司 | Assembled curtain wall structure and construction method thereof |
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| CN201901961U (en) * | 2010-11-09 | 2011-07-20 | 苏州柯利达建筑装饰工程有限公司 | Adiabatic type spring pin open frame curtain wall system |
| CN202866070U (en) * | 2012-11-02 | 2013-04-10 | 上海江河幕墙系统工程有限公司 | Built-in type metal curtain wall system |
| CN102953484B (en) * | 2012-11-20 | 2014-07-30 | 常州第一建筑集团有限公司 | Curtain wall with glass and aluminum honeycomb plate bilayer structure and construction method thereof |
| CN104631668A (en) * | 2015-01-06 | 2015-05-20 | 江苏中南建筑产业集团有限责任公司 | Connection construction method for composite keel double-layer decorative curtain wall |
| CN206245552U (en) * | 2017-02-09 | 2017-06-13 | 广州市宏科幕墙工程有限公司 | A kind of plug-in Pierced Aluminum Plank connecting member system of glass curtain wall |
| CN107489215B (en) * | 2017-07-27 | 2018-06-22 | 温州建设集团有限公司 | A kind of construction technology of new network type glass curtain wall |
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