CN106760560B - Complicated arc list construction of Pyramid engineering method - Google Patents
Complicated arc list construction of Pyramid engineering method Download PDFInfo
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- CN106760560B CN106760560B CN201710201615.4A CN201710201615A CN106760560B CN 106760560 B CN106760560 B CN 106760560B CN 201710201615 A CN201710201615 A CN 201710201615A CN 106760560 B CN106760560 B CN 106760560B
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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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Finishing Walls (AREA)
Abstract
The invention discloses a kind of complicated arc list construction of Pyramid engineering methods, including the following steps: one, embedded part installation；Two, surveying setting-out；Three, component is processed；Four, metallic framework is installed；Five, the anticorrosive construction of installation process；Six, it takes shelter from the thunder and constructs；Seven, anti-guncotton installation；Eight, concealment acceptance；Nine, panel is installed；Ten, parting beats weather-resistant glue；11, curtain wall surface clean.Engineering method of the invention is suitable for newly-built more high-rise complicated arc list aluminum facade decoration constructions, is also applied for existing building external decoration improvement project.
Description
Technical field
The present invention relates to a kind of complicated arc list construction of Pyramid engineering methods, belong to technical field of building construction.
Background technique
Building external finishing is the pith of building composition, and in recent years with the development of economy, we are to building exterior decoration
Requirement it is higher and higher.Single aluminum facade is with its excellent physical characteristic, quickly processing assembling ability, superior fire line
Energy, advanced process for treating surface, coordinate building more with ambient enviroment, more aobvious graceful, luxurious, in building external decoration
It is widely used.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of complicated arc list construction of Pyramid engineering method.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
Complexity arc list construction of Pyramid engineering method provided by the invention, including the following steps:
The installation of 1 embedded part
When having embedded part layout drawing in design drawing, construction in line with the drawings after should being checked does not indicate embedded part in design drawing
It when layout drawing, should be required according to drawing lattice, draw keel walkthrough figure, arrange embedded part further according to spine arrangement figure.Embedded part is divided into
Built-in fitting and post-install.
2 surveying setting-outs
1) since civil construction allowable error is relatively large, single construction of Pyramid precision prescribed is very high, and when installation cannot
It is carried out fully according to civil engineering reference line, it is necessary to it is re-measured by datum axis and bench mark, and corrects review, unified reference for installation
Line.
2) single aluminium sheet lattice should consider the positions such as door-window opening, yin-yang angle as a whole, and the specification of adjustment plate not occur
Small batten.According to axis, the absolute altitude reference line after curtain wall lattice figure and calibration, using heavy thread pendant, wire, theodolite and water
The tools such as level make curtain-wall stand-column, crossbeam lattice reference line in main body.
3) external corner of curtain wall and inner corner trim are drawn with laser zenith meter, determines the middle line of each facade, and on steel bracket
Fixed wire (1.0~Φ of Φ 1.2) is used as yin-yang angle, middle line index control line (at interval of a piece wire of 20 meters of drawings).Steel
Depending on silk thread lower sideline falls weight with height, 40m or less height, it is 8~10Kg that line, which falls weight,.Upper end Special hanging line angle steelframe
It is fixed on the top at building big angle with expansion bolt, has to want in the local fixation for being not easy to touch, accurate, use
Pay attention to protection and running check, and makes a mark in the both ends fastening point of control line, it can fast quick-recovery after having broken so as to steel wire.
4) each layer elevation line is drawn with level meter and standard steel tape.Horizontal absolute altitude will successively draw upwardly from ground, measure
When should control distribution measurement error, the accumulation of error cannot be made.Horizontal wire line should every layer draw one, should be every when length is too long
1 fulcrum is set every 20 meters.
5) rule is looked for according to benchmark control line, pop-up vertically and horizontally controls the line of ink marker, and according to lattice figure and actual needs
Pop up keel frame bar.6) surveying setting-out should be carried out when wind-force is not more than 4 grades, and take wind sheltering measure.7) unwrapping wire
After positioning, during the installation process, control line timing is checked, to ensure aluminum facade verticality and metal munnion position just
Really.
8) while surveying setting-out, the position deviation for coping with built-in fitting is tested, is positioned.Deviation is more than embedded part quality
It is required that and can not adopt remedial measures, Ying Caiyong post-install supplement.
The processing of 3 components
The specifications and models of curtain wall type steel skeleton are selected after should calculating, processing will by drawing blanking, aperture, and in factory into
Row hot galvanizing preservative treatment.Panel draws blanking figure, blanking figure will be according to mounting portion according to live lattice situation after actual quantities size
Position carries out Unified number, guarantees to sit in the right seat when installation.Single aluminium sheet should be taken whole in positions such as yin-yang angle, windowsill, parapets
Three dimensional panel is made in plate bending.Blanking figure should be noted that deduction parting is wide, and the three dimensional panel at yin-yang angle, windowsill, parapet position is answered
Drawing three-dimensional figure and plane outspread drawing.Single aluminium sheet processing request presses blanking figure reference numeral in factory's one-pass molding, guarantees fortune
Wall can be gone up by number to scene.
1) the metallic framework processing of curtain wall
(1) curtain wall construction rod piece should carry out alignment adjustment before cutting material；
(2) tolerance of curtain wall cross beam cutting length should be ± 0.5mm, and the tolerance of column cutting length should be ±
The angle tolerance of 1.0mm, end gradient should be -15 '；
(3) cutting material end must not deform because of processing, not answer jagged；
(4) tolerance of hole location should be ± 0.5mm, and the tolerance of pitch-row should be ± 0.5mm, and Accumulated deviation must not be big
In ± 1.0mm；
2) single aluminium sheet processing
(1) kind, specification and the color of single aluminium sheet should meet design requirement；Plate surface Fluorocarbon resin coating thickness should accord with
Close design requirement.
(2) when single layer aluminium sheet Bending Processing, bending outer arc radius is no less than 1.5 times of plate thickness；
(3) fixation of single layer aluminium sheet ribbed stiffener can be used electric peg, but it is ensured that aluminium sheet outer surface should not deform, fade,
It is fixed to answer securely；
(4) the fixation ears or side handles of a utensil of single layer aluminium sheet should meet design requirement.The fixed ears or side handles of a utensil, which use, to be riveted on aluminium sheet, position Ying Zhun
Really, fixation；
The installation of 4 metallic frameworks
The upright controling line in the big angle face Liang Ge must be first popped up before keel installation, preferably bullet is in the position from big angle 20cm
On, so as to the accuracy of vertical hanging wire check at any time, guarantee smoothly installation.
Column, crossbeam should draw special project in the installation of the privileged sites such as deformation joint, parapet, windowsill according to the actual situation
Structure node guarantees integrality, the leakproofness, aesthetics of curtain wall at the positions such as deformation joint, parapet, windowsill.
1) installation of column
(1) logical line is popped up with the line of ink marker in the center that connector is made when column is installed.By column elder generation and connector
Connector is successively welded to connect with main body built-in fitting by connection again from top to bottom.
(2) the horizontal elevation location of each column should be adjusted according to vertical, the horizontal reference line of ink marker after column installs,
Slightly tight bolt, then disengaging, left-right position are adjusted, on inspection after qualification, tightening nuts.Column uses messenger wire or warp after the installation is completed
Latitude instrument carries out perforation inspection, fixes nut and ironware spot welding after overall acceptability.
2) installation of crossbeam
(1) control construction drawing checks whether frame main joist size and processing hole location are correct.
(2) secondary joist is tentatively fixed on main joist.
(3) it according to reference line, adjusts support and connects bolt, to ensure crossbeam installation level and verticality.Same layer is horizontal
Beam installation should be carried out from bottom to top, when installing a layer height, should be carried out inspection adjustment, correction, fixation, be complied with quality
It is required that.
The anticorrosive construction of 5 installation processes
Though skeleton need to carry out preservative treatment in advance, there is the case where anti-corrosion damage layer during the installation process, for anti-corrosion
The position of breakdown of coating is no less than twice after taking out stains using metallic anti-rust paint coating.Embedded iron parts and connector with it is pre-buried
It ironware welding position must be no less than three times using metallic anti-rust paint coating.
6 lightning-arrest constructions
1) when column is installed, being reliably connected for lightning protection system should be carried out by design requirement, grading ring should be with main body
Structure lightning protection system is connected, and for building is transformed, can not such as connect with main body lightning conduction, should reform lightning protection system by design.
2) curtain wall lightning protection way: the dowel that curtain wall is located at the built-in fitting at grading ring must be with the longitudinal direction of the beam at grading ring
Reinforcing bar connection, being fixed on the column set on grading ring floor must be connected to grading ring, be located at grading ring and be connected to the vertical muscle of beam
Column on crossbeam must be connected to column.
3) on curtain wall facade, within the every 8m of horizontal direction, positioned at the column for not setting grading ring floor, it is necessary to be set with being fixed on
The column of grading ring floor is connected to.
4) to equipped with many more important sensitive electron systems, such as communication equipment, electronic computer, electronic control system
The building of sophisticated equipment can do lightning protection and equipotential measure from the ground first floor to increase shielding action, i.e., will be first
Layer or more exterior wall on the larger metal object such as building curtain wall, metal door and window, metal hand rail connect with lightning protection device.
5) lightning protection on curtain wall top considers that building curtain wall can be along room when being located on the outside of parapet by building lightning protection system is unified
Top periphery sets lighting proof strip, the slightly prominent parapet top periphery of installation site；Can also use roof other it is bright set metal object as
Arrester.
6) curtain wall lightning conductor contact surface should not loosen reliably closely, and lightning-arrest connecting wire should guarantor on the surface of the material
Cuticula is removed position and is attached.When curtain wall metal frame is welded by band steel and reserved band steel, fusion length is not less than 75mm, institute
There is lightning-arrest material should all galvanizing by dipping.
7) ground resistance measured value should be not more than 10 ohm.
8) system of taking shelter from the thunder should submit examination in time after the installation is completed, and concealed work can be carried out after acceptance(check).
7 anti-guncotton installations
The installation of fire proofing material should strictly construct by design requirement.Fire proofing material uses monolith rock wool board, fixed fire proofing wood
The envelope of material repair plate should anchor it is firm.Envelope, which repairs plate, must not use aluminium sheet, and the galvanized steel plain sheet of Ying Caiyong 1.5mm or more, galvanized steel plain sheet is not
It obtains and is directly contacted with aluminium alloy panel, processing should be sealed after liner plate is in place.Anti- guncotton thickness cannot be less than 60mm, and laying is wanted
Full uniform exhaustive.The sealing material of fireprotection layer should use fireproof seal gum, fireproof seal gum Ying Youyou qualification testing agency
Fire prevention survey report.Construction finishes, it is necessary to which checking all fire prevention nodes, all whether sealing is tight, can carry out down after qualified
Procedure.
8 concealment acceptances
Each concealed work needs to carry out acceptance of concealed work after the installation is completed, and performs record of acceptance of concealed work, passes through
The operation of next procedure can be carried out after management and Quality Inspector's inspection signature.
The installation of 9 panels
Panel installation is carried out using hanging basket.Perforation inspection is carried out to vertical and horizontal rod piece with theodolite before installation, to ensure facing
The installation accuracy of plate,
1) aluminium sheet installation should press the placement of plate blanking figure upper plate number in place, and trial assembly checks its levelness, verticality, then uses
Screw examination is fixed on major-minor keel, is adjusted vertical and horizontal gap and is met the requirements and is completely fixed again.
2) erection sequence of aluminium sheet is the vertical first row of edge from every face wall, is installed from bottom to top (or from top to bottom),
Same installation lattice region must not multiple spot installation, avoid Interconnection error excessive.The first row for installing the face wall installs second again
Row.After every installation is laid with 10 row's wallboards, messenger wire is answered to check primary, to eliminate error in time.The method of fixed panel, using certainly
It attacks screw to be screwed on fashioned iron, this method durability is good.
3) gap between plate and plate is 10~20mm, and in installation process, if slit width has error, Ying Junfen is in every glue-line
In, prevent the accumulation of error in a certain item seam or on a certain piece of plane materiel.Plate stitch is mostly used sealed elastomer processing.When decoration panel is pacified
It installs complete, it should be noted that not tear protective film off temporarily.
4) close up construction
The bearing down on one of horizontal position, the closing in of quadrangle, the processing at expansion joint, handover process of two kinds of different materials etc., not only
It is related to decorative effect, and to using the function also to have a large effect, it is noted that drawing modification according to the actual situation when construction
Node diagram.
10 partings beat weather-resistant glue
1) sealing surface is cleaned using toluene, when cleaning should be specifically noted that and not allow solution to be dispersed into other than seam
Chang Genghuan is answered after the gauze of cleaning is dirty in place, to guarantee to clean effect, is finally evaporated solvent with the gauze of dry cleansing
Trace afterwards is wiped away, keeps sealing surface dry.
2) aluminium sheet protective film tuck portion is torn, by U.S. line paper is sticked at 90 ° of corner flangings, U.S. line paper is in quadrangle glue-line
Place should roll over 90 ° of corners, and entire plate U.S. line paper one-time-reach-place firmly smoothes out, avoids U.S. line paper wrinkle.
3) filled and process stick, it is desirable that closely knit straight.
4) injecting glue is answered uniform, closely knit, full, while paying attention to glue applying method, avoids wasting.It should be walked by straight line when injecting glue, from
Under, from left to right, once beat.
5) after injecting glue, glue-line scuppit should firmly be pressed along injecting glue direction, extra glue is wiped off, and glue-line is spread to
Design shape keeps glue-line smooth, smooth.When frictioning it is slightly slow that pulling rate degree should be scraped in corner portion by injecting glue step once on earth
It is some.
6) after glue-line trims, protective glue band should be removed in time, and notice that the adhesive tape torn not pollute aluminium sheet face；It tears off
U.S. line paper should be pullled in export-oriented 45 ° of inclinations, and the U.S. line paper torn is focused on, environmental pollution is avoided.It is sticked on construction surface
Glue trace to clear up in time.
11 curtain wall surface cleans
1) first dirt etc. is wiped with the wet gauze for impregnating neutral flux (5% aqueous solution) when cleaning, then again with dry yarn
Cloth is wiped clean.
2) when cleaning mortar, tape residue, bamboo shovel, synthetic resin shovel etc. can be used carefully to scrape off.
3) it is forbidden to use metal cleaning device, the not handy tool for being stained with sand, metal fillings.
4) it is forbidden to use acid or basic lotion.
Technological principle of the invention:
This engineering method stress frame is metallic framework, and component and fitting processing and anti-corrosion, decorative coveringn are mainly in plant produced, building site
Assembling.This engineering method uses type steel skeleton load, then load is passed to by connector, embedded part the beam column of main structure, power transmission
Path is clearly reliable.Column, crossbeam are assembled into plane stress grid using bolt (welding) by skeleton, to be held based on central post
Power component, crossbeam are Force transmission parts, and play the role of hanging up aluminium sheet, enhance skeleton entirety stiffness.Crossbeam and column, column
It is connected by screw bolts with connector；Connector is connect using welding with built-in fitting；Complicated arc list aluminium sheet using tapping screw with
Crossbeam connection；Hangers and plate riveting are even integral.Waist-shaped hole is set as convenience of adjusting levelness and verticality, aperture.
Beneficial effects of the present invention:
The present invention is suitable for newly-built more high-rise complicated arc list aluminum facade decoration constructions, is also applied for existing building exterior
Adorn improvement project (using post-install).
This engineering method component is the factorial production, and production, quick for installation, panel various shapes, reliable construction quality has
Conducive to shortening the construction period and guarantee quality.
This engineering method draws processing, assembling figure according to live actual size, can be with the same stepping of skeleton in factory process, progress
Row.It after skeleton forming, can be installed by assembling figure, it is not necessary to reduce, install fast at the scene.Single aluminium sheet is primary in the factory
It is processed into arc panel, good moldability, on-site assembly precision is high, can preferably guarantee whole flatness, verticality, leakproofness
Deng.
The metal framework structure form that this engineering method uses, bonding strength is high, and deformation of products endurance is strong, Unit area loading
Gently, building gross weight can be effectively reduced, improve anti-seismic performance and temperature deformation resistance.
Durability of product, fire line are good.Complicated arc list aluminum facade is non-ignitable metal from skeleton to panel, connection
Mode is welding, riveting, bolted-on, self-drilling connection, and aluminium sheet surface layer has anti-corrosion, decorative coveringn, therefore entirety is durable
Property, fire line are preferable.
The product feature of environmental protection is good.This engineering method component mainly in plant produced, reduces the noise pollution that scene processing is formed.
This engineering method field labor intensity is relatively low, advantageous to guarantee construction safety.
Specific embodiment
Embodiment 1
Complexity arc list construction of Pyramid engineering method provided in this embodiment, including the following steps:
The installation of 1 embedded part
When having embedded part layout drawing in design drawing, construction in line with the drawings after should being checked does not indicate embedded part in design drawing
It when layout drawing, should be required according to drawing lattice, draw keel walkthrough figure, arrange embedded part further according to spine arrangement figure.Embedded part is divided into
Built-in fitting and post-install.
2 surveying setting-outs
1) since civil construction allowable error is relatively large, single construction of Pyramid precision prescribed is very high, and when installation cannot
It is carried out fully according to civil engineering reference line, it is necessary to it is re-measured by datum axis and bench mark, and corrects review, unified reference for installation
Line.
2) single aluminium sheet lattice should consider the positions such as door-window opening, yin-yang angle as a whole, and the specification of adjustment plate not occur
Small batten.According to axis, the absolute altitude reference line after curtain wall lattice figure and calibration, using heavy thread pendant, wire, theodolite and water
The tools such as level make curtain-wall stand-column, crossbeam lattice reference line in main body.
3) external corner of curtain wall and inner corner trim are drawn with laser zenith meter, determines the middle line of each facade, and on steel bracket
Fixed wire (1.0~Φ of Φ 1.2) is used as yin-yang angle, middle line index control line (at interval of a piece wire of 20 meters of drawings).Steel
Depending on silk thread lower sideline falls weight with height, 40m or less height, it is 8~10Kg that line, which falls weight,.Upper end Special hanging line angle steelframe
It is fixed on the top at building big angle with expansion bolt, has to want in the local fixation for being not easy to touch, accurate, use
Pay attention to protection and running check, and makes a mark in the both ends fastening point of control line, it can fast quick-recovery after having broken so as to steel wire.
4) each layer elevation line is drawn with level meter and standard steel tape.Horizontal absolute altitude will successively draw upwardly from ground, measure
When should control distribution measurement error, the accumulation of error cannot be made.Horizontal wire line should every layer draw one, should be every when length is too long
1 fulcrum is set every 20 meters.
5) rule is looked for according to benchmark control line, pop-up vertically and horizontally controls the line of ink marker, and according to lattice figure and actual needs
Pop up keel frame bar.6) surveying setting-out should be carried out when wind-force is not more than 4 grades, and take wind sheltering measure.7) unwrapping wire
After positioning, during the installation process, control line timing is checked, to ensure aluminum facade verticality and metal munnion position just
Really.
8) while surveying setting-out, the position deviation for coping with built-in fitting is tested, is positioned.Deviation is more than embedded part quality
It is required that and can not adopt remedial measures, Ying Caiyong post-install supplement.
The processing of 3 components
The specifications and models of curtain wall type steel skeleton are selected after should calculating, processing will by drawing blanking, aperture, and in factory into
Row hot galvanizing preservative treatment.Panel draws blanking figure, blanking figure will be according to mounting portion according to live lattice situation after actual quantities size
Position carries out Unified number, guarantees to sit in the right seat when installation.Single aluminium sheet should be taken whole in positions such as yin-yang angle, windowsill, parapets
Three dimensional panel is made in plate bending.Blanking figure should be noted that deduction parting is wide, and the three dimensional panel at yin-yang angle, windowsill, parapet position is answered
Drawing three-dimensional figure and plane outspread drawing.Single aluminium sheet processing request presses blanking figure reference numeral in factory's one-pass molding, guarantees fortune
Wall can be gone up by number to scene.
1) the metallic framework processing of curtain wall
(1) curtain wall construction rod piece should carry out alignment adjustment before cutting material；
(2) tolerance of curtain wall cross beam cutting length should be ± 0.5mm, and the tolerance of column cutting length should be ±
The angle tolerance of 1.0mm, end gradient should be -15 '；
(3) cutting material end must not deform because of processing, not answer jagged；
(4) tolerance of hole location should be ± 0.5mm, and the tolerance of pitch-row should be ± 0.5mm, and Accumulated deviation must not be big
In ± 1.0mm；
2) single aluminium sheet processing
(1) kind, specification and the color of single aluminium sheet should meet design requirement；Plate surface Fluorocarbon resin coating thickness should accord with
Close design requirement.
(2) when single layer aluminium sheet Bending Processing, bending outer arc radius is no less than 1.5 times of plate thickness；
(3) fixation of single layer aluminium sheet ribbed stiffener can be used electric peg, but it is ensured that aluminium sheet outer surface should not deform, fade,
It is fixed to answer securely；
(4) the fixation ears or side handles of a utensil of single layer aluminium sheet should meet design requirement.The fixed ears or side handles of a utensil, which use, to be riveted on aluminium sheet, position Ying Zhun
Really, fixation；
The installation of 4 metallic frameworks
The upright controling line in the big angle face Liang Ge must be first popped up before keel installation, preferably bullet is in the position from big angle 20cm
On, so as to the accuracy of vertical hanging wire check at any time, guarantee smoothly installation.
Column, crossbeam should draw special project in the installation of the privileged sites such as deformation joint, parapet, windowsill according to the actual situation
Structure node guarantees integrality, the leakproofness, aesthetics of curtain wall at the positions such as deformation joint, parapet, windowsill.
1) installation of column
(1) logical line is popped up with the line of ink marker in the center that connector is made when column is installed.By column elder generation and connector
Connector is successively welded to connect with main body built-in fitting by connection again from top to bottom.
(2) the horizontal elevation location of each column should be adjusted according to vertical, the horizontal reference line of ink marker after column installs,
Slightly tight bolt, then disengaging, left-right position are adjusted, on inspection after qualification, tightening nuts.Column uses messenger wire or warp after the installation is completed
Latitude instrument carries out perforation inspection, fixes nut and ironware spot welding after overall acceptability.
2) installation of crossbeam
(1) control construction drawing checks whether frame main joist size and processing hole location are correct.
(2) secondary joist is tentatively fixed on main joist.
(3) it according to reference line, adjusts support and connects bolt, to ensure crossbeam installation level and verticality.Same layer is horizontal
Beam installation should be carried out from bottom to top, when installing a layer height, should be carried out inspection adjustment, correction, fixation, be complied with quality
It is required that.
The anticorrosive construction of 5 installation processes
Though skeleton need to carry out preservative treatment in advance, there is the case where anti-corrosion damage layer during the installation process, for anti-corrosion
The position of breakdown of coating is no less than twice after taking out stains using metallic anti-rust paint coating.Embedded iron parts and connector with it is pre-buried
It ironware welding position must be no less than three times using metallic anti-rust paint coating.
6 lightning-arrest constructions
1) when column is installed, being reliably connected for lightning protection system should be carried out by design requirement, grading ring should be with main body
Structure lightning protection system is connected, and for building is transformed, can not such as connect with main body lightning conduction, should reform lightning protection system by design.
2) curtain wall lightning protection way: the dowel that curtain wall is located at the built-in fitting at grading ring must be with the longitudinal direction of the beam at grading ring
Reinforcing bar connection, being fixed on the column set on grading ring floor must be connected to grading ring, be located at grading ring and be connected to the vertical muscle of beam
Column on crossbeam must be connected to column.
3) on curtain wall facade, within the every 8m of horizontal direction, positioned at the column for not setting grading ring floor, it is necessary to be set with being fixed on
The column of grading ring floor is connected to.
4) to equipped with many more important sensitive electron systems, such as communication equipment, electronic computer, electronic control system
The building of sophisticated equipment can do lightning protection and equipotential measure from the ground first floor to increase shielding action, i.e., will be first
Layer or more exterior wall on the larger metal object such as building curtain wall, metal door and window, metal hand rail connect with lightning protection device.
5) lightning protection on curtain wall top considers that building curtain wall can be along room when being located on the outside of parapet by building lightning protection system is unified
Top periphery sets lighting proof strip, the slightly prominent parapet top periphery of installation site；Can also use roof other it is bright set metal object as
Arrester.
6) curtain wall lightning conductor contact surface should not loosen reliably closely, and lightning-arrest connecting wire should guarantor on the surface of the material
Cuticula is removed position and is attached.When curtain wall metal frame is welded by band steel and reserved band steel, fusion length is not less than 75mm, institute
There is lightning-arrest material should all galvanizing by dipping.
7) ground resistance measured value should be not more than 10 ohm.
8) system of taking shelter from the thunder should submit examination in time after the installation is completed, and concealed work can be carried out after acceptance(check).
7 anti-guncotton installations
The installation of fire proofing material should strictly construct by design requirement.Fire proofing material uses monolith rock wool board, fixed fire proofing wood
The envelope of material repair plate should anchor it is firm.Envelope, which repairs plate, must not use aluminium sheet, and the galvanized steel plain sheet of Ying Caiyong 1.5mm or more, galvanized steel plain sheet is not
It obtains and is directly contacted with aluminium alloy panel, processing should be sealed after liner plate is in place.Anti- guncotton thickness cannot be less than 60mm, and laying is wanted
Full uniform exhaustive.The sealing material of fireprotection layer should use fireproof seal gum, fireproof seal gum Ying Youyou qualification testing agency
Fire prevention survey report.Construction finishes, it is necessary to which checking all fire prevention nodes, all whether sealing is tight, can carry out down after qualified
Procedure.
8 concealment acceptances
Each concealed work needs to carry out acceptance of concealed work after the installation is completed, and performs record of acceptance of concealed work, passes through
The operation of next procedure can be carried out after management and Quality Inspector's inspection signature.
The installation of 9 panels
Panel installation is carried out using hanging basket.Perforation inspection is carried out to vertical and horizontal rod piece with theodolite before installation, to ensure facing
The installation accuracy of plate,
1) aluminium sheet installation should press the placement of plate blanking figure upper plate number in place, and trial assembly checks its levelness, verticality, then uses
Screw examination is fixed on major-minor keel, is adjusted vertical and horizontal gap and is met the requirements and is completely fixed again.
2) erection sequence of aluminium sheet is the vertical first row of edge from every face wall, is installed from bottom to top (or from top to bottom),
Same installation lattice region must not multiple spot installation, avoid Interconnection error excessive.The first row for installing the face wall installs second again
Row.After every installation is laid with 10 row's wallboards, messenger wire is answered to check primary, to eliminate error in time.The method of fixed panel, using certainly
It attacks screw to be screwed on fashioned iron, this method durability is good.
3) gap between plate and plate is 10~20mm, and in installation process, if slit width has error, Ying Junfen is in every glue-line
In, prevent the accumulation of error in a certain item seam or on a certain piece of plane materiel.Plate stitch is mostly used sealed elastomer processing.When decoration panel is pacified
It installs complete, it should be noted that not tear protective film off temporarily.
4) close up construction
The bearing down on one of horizontal position, the closing in of quadrangle, the processing at expansion joint, handover process of two kinds of different materials etc., not only
It is related to decorative effect, and to using the function also to have a large effect, it is noted that drawing modification according to the actual situation when construction
Node diagram.
10 partings beat weather-resistant glue
1) sealing surface is cleaned using toluene, when cleaning should be specifically noted that and not allow solution to be dispersed into other than seam
Chang Genghuan is answered after the gauze of cleaning is dirty in place, to guarantee to clean effect, is finally evaporated solvent with the gauze of dry cleansing
Trace afterwards is wiped away, keeps sealing surface dry.
2) aluminium sheet protective film tuck portion is torn, by U.S. line paper is sticked at 90 ° of corner flangings, U.S. line paper is in quadrangle glue-line
Place should roll over 90 ° of corners, and entire plate U.S. line paper one-time-reach-place firmly smoothes out, avoids U.S. line paper wrinkle.
3) filled and process stick, it is desirable that closely knit straight.
4) injecting glue is answered uniform, closely knit, full, while paying attention to glue applying method, avoids wasting.It should be walked by straight line when injecting glue, from
Under, from left to right, once beat.
5) after injecting glue, glue-line scuppit should firmly be pressed along injecting glue direction, extra glue is wiped off, and glue-line is spread to
Design shape keeps glue-line smooth, smooth.When frictioning it is slightly slow that pulling rate degree should be scraped in corner portion by injecting glue step once on earth
It is some.
6) after glue-line trims, protective glue band should be removed in time, and notice that the adhesive tape torn not pollute aluminium sheet face；It tears off
U.S. line paper should be pullled in export-oriented 45 ° of inclinations, and the U.S. line paper torn is focused on, environmental pollution is avoided.It is sticked on construction surface
Glue trace to clear up in time.
11 curtain wall surface cleans
1) first dirt etc. is wiped with the wet gauze for impregnating neutral flux (5% aqueous solution) when cleaning, then again with dry yarn
Cloth is wiped clean.
2) when cleaning mortar, tape residue, bamboo shovel, synthetic resin shovel etc. can be used carefully to scrape off.
3) it is forbidden to use metal cleaning device, the not handy tool for being stained with sand, metal fillings.
4) it is forbidden to use acid or basic lotion.
Claims (1)
1. complicated arc list construction of Pyramid engineering method, characterized in that it comprises the following steps:
One, embedded part is installed
When having embedded part layout drawing in design drawing, construction in line with the drawings after should being checked does not indicate that embedded part is arranged in design drawing
It when figure, should be required according to drawing lattice, draw keel walkthrough figure, arrange embedded part further according to spine arrangement figure；
The embedded part is divided into built-in fitting and post-install；
Two, surveying setting-out
1) external corner of curtain wall and inner corner trim are drawn with laser zenith meter, determines the middle line of each facade, and is fixed on steel bracket
The wire of 1.0~Φ of Φ 1.2 is as yin-yang angle, middle line index control line, at interval of a piece wire of 20 meters of drawings；Under wire
Depending on sideline falls weight with height, 40m or less height, it is 8~10Kg that line, which falls weight,；Upper end Special hanging line angle steelframe expanding screw
Bolt is fixed on the top at building big angle, it is noted that protection and running check when use, and does in the both ends fastening point of control line
It marks out, it can fast quick-recovery after having broken so as to steel wire；
2) each layer elevation line is drawn with level meter and standard steel tape；Horizontal absolute altitude will successively draw upwardly from ground, and when measurement answers
Control distribution measurement error, cannot make the accumulation of error；Horizontal wire line should every layer draw one, should be at interval of 20 when length is too long
Rice sets 1 fulcrum；
3) rule is looked for according to benchmark control line, pop-up vertically and horizontally controls the line of ink marker, and pops up according to lattice figure and actual needs
Keel frame bar；
4) surveying setting-out should be carried out when wind-force is not more than 4 grades, and take wind sheltering measure；
5) after unwrapping wire positioning, during the installation process, control line timing is checked, to ensure that aluminum facade verticality and metal are perpendicular
Frame position it is correct；
6) while surveying setting-out, the position deviation for coping with built-in fitting is tested, is positioned；Deviation is more than that embedded part quality is wanted
It asks, and can not adopt remedial measures, Ying Caiyong post-install supplement；
Three, component is processed
The specifications and models of curtain wall type steel skeleton are selected after should calculating, and processing will be by drawing blanking, aperture, and heat is carried out in factory
Galvanized anticorrosive processing；Panel draws blanking figure according to live lattice situation after actual quantities size, blanking figure will according to installation position into
Row Unified number guarantees to sit in the right seat when installation；Single aluminium sheet should take whole plate curved in the position of yin-yang angle, windowsill, parapet
Folding makes three dimensional panel；Blanking figure should be noted that deduction parting is wide, and the three dimensional panel at yin-yang angle, windowsill, parapet position should be drawn
Three-dimensional figure and plane outspread drawing；Single aluminium sheet processing request presses blanking figure reference numeral in factory's one-pass molding, and guarantee is transported to existing
Field can go up wall by number；
1) the metallic framework processing of curtain wall
(1) curtain wall construction rod piece should carry out alignment adjustment before cutting material；
(2) tolerance of curtain wall cross beam cutting length should be ± 0.5mm, and the tolerance of column cutting length should be ±
The angle tolerance of 1.0mm, end gradient should be -15 '；
(3) cutting material end must not deform because of processing, not answer jagged；
(4) tolerance of hole location should be ± 0.5mm, and the tolerance of pitch-row should be ± 0.5mm, and Accumulated deviation is not greater than ±
1.0mm；
2) single aluminium sheet processing
(1) kind, specification and the color of single aluminium sheet should meet design requirement；Plate surface Fluorocarbon resin coating thickness, which should meet, to be set
Meter requires；
(2) when single layer aluminium sheet Bending Processing, bending outer arc radius is no less than 1.5 times of plate thickness；
(3) fixation of single layer aluminium sheet ribbed stiffener can be used electric peg, but it is ensured that aluminium sheet outer surface should not deform, fade, fixed
It should be secured；
(4) the fixation ears or side handles of a utensil of single layer aluminium sheet should meet design requirement；For the fixed ears or side handles of a utensil using being riveted on aluminium sheet, position should be accurate,
Fixation；
Four, metallic framework is installed
The upright controling line in the big angle face Liang Ge must be first popped up before keel installation, preferably bullet on the position from big angle 20cm, with
Just the accuracy of vertical hanging wire, guarantee are smoothly installed check at any time；
Column, crossbeam should draw special structure node in the installation of deformation joint, parapet, windowsill position according to the actual situation,
Guarantee deformation joint, parapet, at windowsill position curtain wall integrality, leakproofness, aesthetics；
1) installation of column
(1) logical line is popped up with the line of ink marker in the center that connector is made when column is installed；Column is first connect with connector,
From top to bottom, successively connector is welded to connect with main body built-in fitting again；
(2) the horizontal elevation location of each column should be adjusted according to vertical, the horizontal reference line of ink marker after column installs, slightly tightly
Bolt, then disengaging, left-right position are adjusted, on inspection after qualification, tightening nuts；Column uses messenger wire or theodolite after the installation is completed
Perforation inspection is carried out, fixes nut and ironware spot welding after overall acceptability；
2) installation of crossbeam
(1) control construction drawing checks whether frame main joist size and processing hole location are correct；
(2) secondary joist is tentatively fixed on main joist；
(3) it according to reference line, adjusts support and connects bolt, to ensure crossbeam installation level and verticality；Same layer crossbeam peace
Dress should be carried out from bottom to top, when installing a layer height, should be carried out inspection adjustment, correction, fixation, be complied with quality and want
It asks；
Five, the anticorrosive construction of installation process
Using no less than twice of metallic anti-rust paint coating after taking out stains for the position that corrosion-inhibiting coating destroys；Embedded iron parts and
Connector and embedded iron parts welding position must be no less than three times using metallic anti-rust paint coating；
Six, it takes shelter from the thunder and constructs
1) when column is installed, being reliably connected for lightning protection system should be carried out by design requirement, grading ring should be with main structure
Lightning protection system is connected, and for building is transformed, can not connect with main body lightning conduction, should reform lightning protection system by design；
2) curtain wall lightning protection way: the dowel that curtain wall is located at the built-in fitting at grading ring must be with the longitudinal reinforcement of the beam at grading ring
Connection, being fixed on the column set on grading ring floor must be connected to grading ring, stand at grading ring with what the vertical muscle of beam was connected to
Crossbeam on column must be connected to column；
3) on curtain wall facade, within the every 8m of horizontal direction, positioned at the column for not setting grading ring floor, it is necessary to be pressed with being fixed on to set
The column of ring floor is connected to；
4) to many more important sensitive electron systems are equipped with, in order to increase shielding action, can by lightning protection and equipotential measure from
The ground first floor is done, i.e., connects building curtain wall, metal door and window, metal hand rail and the lightning protection device on the exterior wall more than first floor；
5) lightning protection on curtain wall top is considered by building lightning protection system is unified, can be along roof week when building curtain wall is located on the outside of parapet
While lighting proof strip is set, the prominent parapet top periphery of installation site；Other bright metal objects that set of roof can also be used as arrester；
6) curtain wall lightning conductor contact surface should not loosen reliably closely, and lightning-arrest connecting wire should protective film on the surface of the material
Position is removed to be attached；When curtain wall metal frame is welded by band steel and reserved band steel, fusion length is not less than 75mm, all to keep away
Thunder material should all galvanizing by dipping；
7) ground resistance measured value should be not more than 10 ohm；
8) system of taking shelter from the thunder should submit examination in time after the installation is completed, and concealed work can be carried out after acceptance(check)；
Seven, anti-guncotton installation
The installation of fire proofing material should strictly construct by design requirement；Fire proofing material uses monolith rock wool board, fixed fire proofing material
Envelope repair plate should anchor it is firm；Envelope, which repairs plate, must not use aluminium sheet, and the galvanized steel plain sheet of Ying Caiyong 1.5mm or more, galvanized steel plain sheet must not be with
Aluminium alloy panel directly contacts, and processing should be sealed after liner plate is in place；Anti- guncotton thickness cannot be less than 60mm, and laying wants full
Uniform exhaustive；The sealing material of fireprotection layer should use fireproof seal gum, and fireproof seal gum Ying Youyou qualification testing agency prevents
Fiery survey report；Construction finishes, it is necessary to which checking all fire prevention nodes, all whether sealing is tight, can carry out lower road work after qualified
Sequence；
Eight, concealment acceptance
Each concealed work needs to carry out acceptance of concealed work after the installation is completed, and performs record of acceptance of concealed work, by management
And Quality Inspector checks the operation that next procedure can be carried out after signing；
Nine, panel is installed
Panel installation is carried out using hanging basket；Perforation inspection is carried out to vertical and horizontal rod piece with theodolite before installation, to ensure decoration panel
Installation accuracy,
1) aluminium sheet installation should press the placement of plate blanking figure upper plate number in place, and trial assembly checks its levelness, verticality, then uses screw
Examination is fixed on major-minor keel, is adjusted vertical and horizontal gap and is met the requirements and is completely fixed again；
2) erection sequence of aluminium sheet is the vertical first row of edge from every face wall, is installed from bottom to top or from top to bottom, same peace
Fill lattice region must not multiple spot installation, avoid Interconnection error excessive；The first row for installing the face wall installs second row again；Every peace
After dress is laid with 10 row's wallboards, messenger wire is answered to check primary, to eliminate error in time；The method of fixed panel, using tapping screw
It is screwed on fashioned iron, this method durability is good；
3) gap between plate and plate is 10~20mm, in installation process, if slit width has error, Ying Junfen in every glue-line,
Prevent the accumulation of error in a certain item seam or on a certain piece of plane materiel；Plate stitch is mostly used sealed elastomer processing；When decoration panel is installed
It finishes, it should be noted that not tear protective film off temporarily；
4) close up construction
The bearing down on one of horizontal position, the closing in of quadrangle, the processing at expansion joint, two kinds of different materials handover process, be not only related to
Decorative effect, and to using the function also to have a large effect, it is noted that drawing modification node diagram according to the actual situation when construction；
Ten, parting beats weather-resistant glue
1) sealing surface is cleaned using toluene, when cleaning, which should be specifically noted that, not allow solution to be dispersed into the field other than seam
Chang Genghuan answers after the gauze of cleaning is dirty in institute, to guarantee to clean effect, after finally being evaporated solvent with the gauze of dry cleansing
Trace wipe away, keep sealing surface dry；
2) aluminium sheet protective film tuck portion is torn, by U.S. line paper is sticked at 90 ° of corner flangings, U.S. line paper is answered at the glue-line of quadrangle
90 ° of corners are rolled over, entire plate U.S. line paper one-time-reach-place firmly smoothes out, avoids U.S. line paper wrinkle；
3) filled and process stick, it is desirable that closely knit straight；
4) injecting glue is answered uniform, closely knit, full, while paying attention to glue applying method, avoids wasting；Should be walked by straight line when injecting glue, from up to
Under, from left to right, once beat；
5) after injecting glue, glue-line scuppit should firmly be pressed along injecting glue direction, extra glue is wiped off, and glue-line is spread into design
Shape keeps glue-line smooth, smooth；When frictioning pulling rate degree should be scraped slightly slowly in corner portion by injecting glue step once on earth；
6) after glue-line trims, protective glue band should be removed in time, and notice that the adhesive tape torn not pollute aluminium sheet face；Tear U.S. line off
Paper should be pullled in export-oriented 45 ° of inclinations, and the U.S. line paper torn is focused on, environmental pollution is avoided；The glue being sticked on construction surface
Trace will be cleared up in time；
11, curtain wall surface clean
1) it cleans Shi Xianyong wet gauze to wipe dirt, the neutral flux of 5% aqueous solution of wet gauze impregnates, then again with dry yarn
Cloth is wiped clean；
2) it when cleaning mortar, tape residue, is carefully scraped off using bamboo shovel, synthetic resin shovel；
3) it is forbidden to use metal cleaning device, the not handy tool for being stained with sand, metal fillings；
4) it is forbidden to use acid or basic lotion.
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