CN106760560A - Complicated arc list construction of Pyramid engineering method - Google Patents
Complicated arc list construction of Pyramid engineering method Download PDFInfo
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- CN106760560A CN106760560A CN201710201615.4A CN201710201615A CN106760560A CN 106760560 A CN106760560 A CN 106760560A CN 201710201615 A CN201710201615 A CN 201710201615A CN 106760560 A CN106760560 A CN 106760560A
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- curtain wall
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Classifications
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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 method, comprise the following steps：First, embedded part is installed；2nd, surveying setting-out；3rd, component processing；4th, metallic framework is installed；5th, the anticorrosive construction of installation process；6th, take shelter from the thunder and construct；7th, anti-guncotton is installed；8th, concealment acceptance；9th, panel is installed；Tenth, parting beats weather-resistant glue；11, curtain wall surface clean.Engineering method of the invention is applied to newly-built many high-rise complexity 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 method, belong to technical field of building construction.
Background technology
Building external finishing is the pith of building composition, and in recent years with expanding economy, we are to building exterior decoration
Requirement more and more higher.Single aluminum facade is with its excellent physical characteristic, quickly processing assembling ability, superior fire line
Energy, advanced process for treating surface, make building more coordinate with surrounding environment, more aobvious graceful, luxurious, in building external decoration
It is widely used.
The content of the invention
The technical problems to be solved by the invention are：A kind of complicated arc list construction of Pyramid engineering method is provided.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
The complicated arc list construction of Pyramid engineering method that the present invention is provided, comprises the following steps：
1 embedded part is installed
In design drawing during existing embedded part layout drawing, should carry out checking rear construction in line with the drawings, not indicate that embedded part is arranged in design drawing
During figure, should be required according to drawing lattice, draw keel walkthrough figure, embedded part is arranged further according to spine arrangement figure.Embedded part is divided into pre-buried
Part and post-install.
2 surveying setting-outs
1）Because civil engineering allowable error is relatively large, single construction of Pyramid precision prescribed is very high, can not be complete during installation
Carried out according to civil engineering datum line, it is necessary to remeasured by datum axis and bench mark, and correction is checked, unified installation reference line.
2）Single aluminium sheet lattice should consider the positions such as door-window opening, negative and positive angle as a whole, and the specification of adjustment plate should not occur
Small batten.According to axis, absolute altitude datum line after curtain wall lattice figure and calibration, using heavy thread pendant, wire, theodolite and water
The instruments such as level make curtain-wall stand-column, crossbeam lattice datum line in main body.
3）The external corner and inner corner trim of curtain wall are drawn with laser zenith meter, determines the center line of each facade, and on steel bracket
Fixed wire（1.0~Φ of Φ 1.2）As negative and positive 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, below 40m height, line pendant weight is 8~10Kg.Upper end Special hanging line angle steelframe
The top at building big angle is fixed on expansion bolt, must be in the local fixation for being difficult to touch, accurate, will when using
Note protection and running check, and two ends fastening point in control line makes a mark, can quick-recovery soon 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 successively will draw upwardly from ground, measurement
When should control distribute measurement error, it is impossible to make the accumulation of error.Horizontal wire line should every layer draw one, when length is long, should every
1 fulcrum is set every 20 meters.
5）Rule is looked for according to benchmark control line, ejection vertically and horizontally controls the line of ink marker, and according to lattice figure and is actually needed
Ejection keel frame bar.6）Surveying setting-out should be carried out in the case of wind-force is not more than 4 grades, and take wind sheltering measure.7）Unwrapping wire
After positioning, in installation process, control line timing is checked, to ensure aluminum facade perpendicularity and metal munnion position just
Really.
8）While surveying setting-out, the position deviation for tackling built-in fitting is tested, positioned.Deviation exceedes embedded part quality
It is required that, and cannot adopt remedial measures, should be supplemented using post-install.
3 components are processed
The specifications and models of curtain wall type steel skeleton are selected after should calculating, and processing by drawing blanking, perforate, and will carry out heat in factory
Galvanized anticorrosive treatment.Panel draws blanking figure according to live lattice situation after actual quantities size, blanking figure will enter according to installation position
Row Unified number, it is ensured that can be sat in the right seat during installation.Single aluminium sheet should take whole plate curved in positions such as negative and positive angle, windowsill, parapets
Folding makes three dimensional panel.Blanking figure should be noted that deduction parting is wide, and the three dimensional panel for negative and positive angle, windowsill, parapet position should draw
Graphics and plane outspread drawing.Single aluminium sheet processing request in factory's one-shot forming, and by blanking figure reference numeral, it is ensured that be transported to existing
Wall is gone up by number by.
1）The metallic framework processing of curtain wall
（1）Curtain wall construction rod member should carry out alignment adjustment before cutting material；
（2）The tolerance of curtain wall cross beam cutting length should be ± 0.5mm, and the tolerance of column cutting length should be ±
1.0mm, the angle tolerance of termination gradient should be -15 ＇；
（3）Cutting material termination must not deform because of processing, should not be jagged；
(4）The tolerance of hole position should be ± 0.5mm, and the tolerance of pitch-row should be ± 0.5mm, and Accumulated deviation cannot be greater than ±
1.0mm；
2）Single aluminium sheet processing
（1）The kind of single aluminium sheet, specification and color and luster should meet design requirement；Plate surface Fluorocarbon resin coating thickness should meet and set
Meter is required.
（2）During single layer aluminium sheet Bending Processing, bending outer arc radius are no less than 1.5 times of thickness of slab；
（3）The fixation of single layer aluminium sheet ribbed stiffener can be fixed using electric peg, but it is ensured that aluminium sheet outer surface should not deform, fade
Should be firm；
（4）The fixed ears or side handles of a utensil of single layer aluminium sheet should meet design requirement., using being riveted on aluminium sheet, position should be accurate for the fixed ears or side handles of a utensil,
Fixation；
4 metallic frameworks are installed
Must first eject the upright controling line in big angle Liang Ge faces before keel installation, preferably bullet on the position of big angle 20cm, with
Just the accuracy of vertical hanging wire is checked at any time, it is ensured that smoothly installed.
Column, crossbeam should draw special project in installing for the privileged sites such as movement joint, parapet, windowsill according to actual conditions
Structure node, it is ensured that integrality, sealing, the aesthetic property of the position such as movement joint, parapet, windowsill curtain wall.
1）The installation of column
（1）Column will make the center of connector when installing, logical line is ejected with the line of ink marker.Column is first connected with connector,
From top to bottom, successively connector is welded to connect with main body built-in fitting again.
（2）Column should adjust the horizontal elevation location of every root post according to vertical, the horizontal reference line of ink marker after installing,
Slightly tight bolt, then adjust turnover, right position, it is qualified on inspection after, tightening nuts.Column uses messenger wire or warp after installing
Latitude instrument carries out insertion inspection, and nut is fixed with ironware spot welding after overall acceptability.
2）The installation of crossbeam
（1）Control construction drawing checks whether framework main joist size and processing hole position are correct.
（2）Secondary joist is tentatively fixed on main joist.
（3）According to datum line, bearing connecting bolt is adjusted, to ensure crossbeam installation level and perpendicularity.Same layer is horizontal
Beam is installed and should from bottom to top carried out, and when a layer height is installed, should be carried out inspection adjustment, correction, be fixed, and complies with quality
It is required that.
The anticorrosive construction of 5 installation processes
Though skeleton need in advance carry out preservative treatment, there is the situation of anti-corrosion damage layer in installation process, for corrosion-inhibiting coating
The position of destruction is no less than twice after taking out stains using metallic anti-rust paint coating.Embedded iron parts and connector and embedded iron parts
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 agent structure
Lightning protection system is connected, and for transformation building, cannot be such as connected with main body lightning conduction, should be reformed 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 is connected, and being fixed on the column set on grading ring floor must connect with grading ring, is connected with the vertical muscle of beam at grading ring
Column on crossbeam must be connected with column.
3）On curtain wall facade, within horizontal direction is per 8m, positioned at the column for not setting grading ring floor, it is necessary to pressed with being fixed on to set
The column connection of ring floor.
4）To being provided with many more important sensitive electron systems, such as communication equipment, electronic computer, electronic control system
The building of sophisticated equipment, in order to increase shielding action, lightning protection and equipotential measure can be done from the ground first floor, will be first
The larger metal objects such as more than layer building curtain wall, metal door and window, metal hand rail on exterior wall are connected with lightning protection device.
5）The lightning protection on curtain wall top is considered that building curtain wall can be along room when being located on the outside of parapet by building lightning protection systematic unity
Top periphery sets lighting proof strip, and its installation site slightly protrudes parapet top periphery；Also other bright metal object conduct can be set with roof
Arrester.
6）Curtain wall lightning conductor connection contact surface should not loosen reliably closely, and lightning-arrest connecting wire should be in the guarantor of material surface
Cuticula is removed position and is attached.When curtain wall metal frame is welded by band steel with reserved band steel, fusion length is not less than 75mm, institute
There is the lightning-arrest material all should galvanizing by dipping.
7）Earth resistance measured value should be not more than 10 ohm.
8）Lightning-arrest system should in time submit examination to after installing, and concealed work can be carried out after acceptance(check).
7 anti-guncotton are installed
The installation of fire proofing material strictly should construct by design requirement.Fire proofing material uses monoblock rock cotton board, fixed fire proofing material
Envelope repair plate should anchor it is firm.Envelope is repaiied plate and must not use aluminium sheet, should must not be with using the galvanized steel plain sheet of more than 1.5mm, galvanized steel plain sheet
Aluminium alloy panel directly contact, should carry out encapsulation process after liner plate is in place.Anti- guncotton thickness can not be less than 60mm, and laying is full
Uniform exhaustive.The encapsulant of fireprotection layer should use fireproof seal gum, and fireproof seal gum Ying Youyou qualifications testing agency prevents
Fiery survey report.Construction is finished, it is necessary to check whether all of fire prevention node all seals tight, it is qualified after can carry out lower road work
Sequence.
8 concealment acceptances
Each concealed work needs to carry out acceptance of concealed work after installing, 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.
9 panels are installed
Panel installation is carried out using hanging basket.Insertion inspection is carried out to rod member anyhow with theodolite before installing, to ensure decoration panel
Installation accuracy,
1) aluminium sheet is installed should press the placement of plate blanking figure upper plate number in place, and trial assembly checks its levelness, perpendicularity, then uses screw
Examination is fixed on major-minor keel, and gap meets the requirements and be completely fixed again anyhow for adjustment.
2) erection sequence of aluminium sheet is the vertical first row of edge from every face wall, from bottom to top（Or from top to bottom）Install,
Same installation lattice region must not multiple spot install, it is to avoid Interconnection error is excessive.The first row for installing the face wall installs second again
Row.After 10 row's wallboards of laying are often installed, messenger wire is answered to check once, to eliminate error in time.The method of fixed panel, using certainly
Attack screw to be screwed on shaped steel, this method good endurance.
3) gap between plate and plate is 10~20mm, and in installation process, such as seam width has error, should divide equally in every glue-line
In, prevent the accumulation of error a certain bar seam in or a certain piece of facestock on.The multiplex sealed elastomer treatment of plate stitch.When decoration panel peace
Install complete, it should be noted that should not temporarily tear diaphragm off.
4) close up construction
The bearing down on one of horizontal position, the closing in of corner, the treatment at expansion joint, handover process of two kinds of different materials etc., not only relation
To decorative effect, and to also having large effect using function, it is noted that according to actual conditions drawing modification node during construction
Figure.
10 partings beat weather-resistant glue
1) sealing surface is cleaned using toluene, the field that solution should not be allowed to be dispersed into beyond seam is should be specifically noted that during cleaning
Institute, should often change after the gauze of cleaning is dirty, to ensure to clean effect, after finally solvent is evaporated with the gauze of dry cleansing
Vestige wipe away, keep sealing surface dry.
2) aluminium sheet diaphragm tuck portion is torn, by U.S. line paper is sticked at 90 ° of corner flangings, U.S. line paper is in corner glue-line
Place should roll over 90 ° of corners, and the line paper one-time-reach-place of whole plate U.S. is firmly floating, it is to avoid U.S. line paper wrinkle.
3) filled and process rod, it is desirable to closely knit straight.
4) injecting glue should be uniform, closely knit, full, while noting glue applying method, it is to avoid waste.Should be walked by straight line during injecting glue, from
Under up to, from left to right, once beat.
5) after injecting glue, glue-line scuppit should be exerted oneself along injecting glue direction to press, unnecessary glue is wiped off, and glue-line is spread into design
Shape, makes that glue-line is smooth, smoothness.Pulling rate degree should be scraped during frictioning in corner portion somewhat slow by injecting glue step once on earth.
6) after glue-line is trimmed, Protection glue band should in time be removed, and notice that the adhesive tape torn should not pollute aluminium sheet face；Tear off
U.S. line paper should be pullled in export-oriented 45 ° of inclinations, the U.S. line paper for tearing be focused on, it is to avoid environmental pollution.It is bonded on construction surface
Glue trace to clear up in time.
11 curtain wall surface cleans
1) dirt etc. is wiped with the wet gauze for soaking neutral flux (5% aqueous solution) first when cleaning, is then wiped with dry gauze again
Totally.
2) when cleaning mortar, tape residue, bamboo shovel, synthetic resin shovel etc. is can be used carefully to scrape off.
3) metal cleaning device is prohibitted the use of, the not handy instrument for being stained with sand, metal fillings.
4) acid or basic lotion is prohibitted the use of.
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 group
Dress.This engineering method uses type steel skeleton load, then load is passed to by connector, embedded part the beam column of agent structure, power transmission road
Footpath is clearly reliable.Skeleton uses bolt（Welding）Column, crossbeam are assembled into plane stress grid, load is wanted based on its central post
Component, crossbeam is Force transmission partses, and plays and hang up aluminium sheet, the effect of enhancing skeleton entirety stiffness.Crossbeam and column, column with
Connector is connected by screw bolts；Connector is connected using welding with built-in fitting；Complicated arc list aluminium sheet is using tapping screw and horizontal stroke
Beam is connected；Hangers is even integral with plate riveting.For convenience of regulation levelness and perpendicularity, perforate is set to waist-shaped hole.
Beneficial effects of the present invention：
The present invention is applied to newly-built many high-rise complexity arc list aluminum facade decoration constructions, is also applied for existing building external decoration and changes
Make engineering（Using post-install）.
This engineering method component is factorial praluction, and production, quick for installation, panel various shapes, reliable construction quality has
Beneficial to shortening duration 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
OK.After skeleton shaping, you can installed by assembling figure, it is not necessary to reduce at the scene, install fast.Single aluminium sheet is in the factory once
Arc is processed into, good moldability, Assembling high precision can preferably ensure overall flatness, perpendicularity, sealing
Deng.
The metal framework structure form that this engineering method is used, bonding strength is high, and deformation of products endurance is strong, Unit area loading
Gently, building gross weight can be effectively reduced, anti-seismic performance and temperature deformation resistance is improved.
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, a decorative coveringn, therefore entirety is durable
Property, fire line are preferable.
The product feature of environmental protection is good.This engineering method component is main in plant produced, reduces the noise pollution that scene processing is formed.
This engineering method field labor intensity is relatively low, favourable to ensureing construction safety.
Specific embodiment
Embodiment 1
The complicated arc list construction of Pyramid engineering method that the present embodiment is provided, comprises the following steps：
1 embedded part is installed
In design drawing during existing embedded part layout drawing, should carry out checking rear construction in line with the drawings, not indicate that embedded part is arranged in design drawing
During figure, should be required according to drawing lattice, draw keel walkthrough figure, embedded part is arranged further according to spine arrangement figure.Embedded part is divided into pre-buried
Part and post-install.
2 surveying setting-outs
1）Because civil engineering allowable error is relatively large, single construction of Pyramid precision prescribed is very high, can not be complete during installation
Carried out according to civil engineering datum line, it is necessary to remeasured by datum axis and bench mark, and correction is checked, unified installation reference line.
2）Single aluminium sheet lattice should consider the positions such as door-window opening, negative and positive angle as a whole, and the specification of adjustment plate should not occur
Small batten.According to axis, absolute altitude datum line after curtain wall lattice figure and calibration, using heavy thread pendant, wire, theodolite and water
The instruments such as level make curtain-wall stand-column, crossbeam lattice datum line in main body.
3）The external corner and inner corner trim of curtain wall are drawn with laser zenith meter, determines the center line of each facade, and on steel bracket
Fixed wire（1.0~Φ of Φ 1.2）As negative and positive 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, below 40m height, line pendant weight is 8~10Kg.Upper end Special hanging line angle steelframe
The top at building big angle is fixed on expansion bolt, must be in the local fixation for being difficult to touch, accurate, will when using
Note protection and running check, and two ends fastening point in control line makes a mark, can quick-recovery soon 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 successively will draw upwardly from ground, measurement
When should control distribute measurement error, it is impossible to make the accumulation of error.Horizontal wire line should every layer draw one, when length is long, should every
1 fulcrum is set every 20 meters.
5）Rule is looked for according to benchmark control line, ejection vertically and horizontally controls the line of ink marker, and according to lattice figure and is actually needed
Ejection keel frame bar.6）Surveying setting-out should be carried out in the case of wind-force is not more than 4 grades, and take wind sheltering measure.7）Unwrapping wire
After positioning, in installation process, control line timing is checked, to ensure aluminum facade perpendicularity and metal munnion position just
Really.
8）While surveying setting-out, the position deviation for tackling built-in fitting is tested, positioned.Deviation exceedes embedded part quality
It is required that, and cannot adopt remedial measures, should be supplemented using post-install.
3 components are processed
The specifications and models of curtain wall type steel skeleton are selected after should calculating, and processing by drawing blanking, perforate, and will carry out heat in factory
Galvanized anticorrosive treatment.Panel draws blanking figure according to live lattice situation after actual quantities size, blanking figure will enter according to installation position
Row Unified number, it is ensured that can be sat in the right seat during installation.Single aluminium sheet should take whole plate curved in positions such as negative and positive angle, windowsill, parapets
Folding makes three dimensional panel.Blanking figure should be noted that deduction parting is wide, and the three dimensional panel for negative and positive angle, windowsill, parapet position should draw
Graphics and plane outspread drawing.Single aluminium sheet processing request in factory's one-shot forming, and by blanking figure reference numeral, it is ensured that be transported to existing
Wall is gone up by number by.
1）The metallic framework processing of curtain wall
（1）Curtain wall construction rod member should carry out alignment adjustment before cutting material；
（2）The tolerance of curtain wall cross beam cutting length should be ± 0.5mm, and the tolerance of column cutting length should be ±
1.0mm, the angle tolerance of termination gradient should be -15 ＇；
（3）Cutting material termination must not deform because of processing, should not be jagged；
(4）The tolerance of hole position should be ± 0.5mm, and the tolerance of pitch-row should be ± 0.5mm, and Accumulated deviation cannot be greater than ±
1.0mm；
2）Single aluminium sheet processing
（1）The kind of single aluminium sheet, specification and color and luster should meet design requirement；Plate surface Fluorocarbon resin coating thickness should meet and set
Meter is required.
（2）During single layer aluminium sheet Bending Processing, bending outer arc radius are no less than 1.5 times of thickness of slab；
（3）The fixation of single layer aluminium sheet ribbed stiffener can be fixed using electric peg, but it is ensured that aluminium sheet outer surface should not deform, fade
Should be firm；
（4）The fixed ears or side handles of a utensil of single layer aluminium sheet should meet design requirement., using being riveted on aluminium sheet, position should be accurate for the fixed ears or side handles of a utensil,
Fixation；
4 metallic frameworks are installed
Must first eject the upright controling line in big angle Liang Ge faces before keel installation, preferably bullet on the position of big angle 20cm, with
Just the accuracy of vertical hanging wire is checked at any time, it is ensured that smoothly installed.
Column, crossbeam should draw special project in installing for the privileged sites such as movement joint, parapet, windowsill according to actual conditions
Structure node, it is ensured that integrality, sealing, the aesthetic property of the position such as movement joint, parapet, windowsill curtain wall.
1）The installation of column
（1）Column will make the center of connector when installing, logical line is ejected with the line of ink marker.Column is first connected with connector,
From top to bottom, successively connector is welded to connect with main body built-in fitting again.
（2）Column should adjust the horizontal elevation location of every root post according to vertical, the horizontal reference line of ink marker after installing,
Slightly tight bolt, then adjust turnover, right position, it is qualified on inspection after, tightening nuts.Column uses messenger wire or warp after installing
Latitude instrument carries out insertion inspection, and nut is fixed with ironware spot welding after overall acceptability.
2）The installation of crossbeam
（1）Control construction drawing checks whether framework main joist size and processing hole position are correct.
（2）Secondary joist is tentatively fixed on main joist.
（3）According to datum line, bearing connecting bolt is adjusted, to ensure crossbeam installation level and perpendicularity.Same layer is horizontal
Beam is installed and should from bottom to top carried out, and when a layer height is installed, should be carried out inspection adjustment, correction, be fixed, and complies with quality
It is required that.
The anticorrosive construction of 5 installation processes
Though skeleton need in advance carry out preservative treatment, there is the situation of anti-corrosion damage layer in installation process, for corrosion-inhibiting coating
The position of destruction is no less than twice after taking out stains using metallic anti-rust paint coating.Embedded iron parts and connector and embedded iron parts
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 agent structure
Lightning protection system is connected, and for transformation building, cannot be such as connected with main body lightning conduction, should be reformed 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 is connected, and being fixed on the column set on grading ring floor must connect with grading ring, is connected with the vertical muscle of beam at grading ring
Column on crossbeam must be connected with column.
3）On curtain wall facade, within horizontal direction is per 8m, positioned at the column for not setting grading ring floor, it is necessary to pressed with being fixed on to set
The column connection of ring floor.
4）To being provided with many more important sensitive electron systems, such as communication equipment, electronic computer, electronic control system
The building of sophisticated equipment, in order to increase shielding action, lightning protection and equipotential measure can be done from the ground first floor, will be first
The larger metal objects such as more than layer building curtain wall, metal door and window, metal hand rail on exterior wall are connected with lightning protection device.
5）The lightning protection on curtain wall top is considered that building curtain wall can be along room when being located on the outside of parapet by building lightning protection systematic unity
Top periphery sets lighting proof strip, and its installation site slightly protrudes parapet top periphery；Also other bright metal object conduct can be set with roof
Arrester.
6）Curtain wall lightning conductor connection contact surface should not loosen reliably closely, and lightning-arrest connecting wire should be in the guarantor of material surface
Cuticula is removed position and is attached.When curtain wall metal frame is welded by band steel with reserved band steel, fusion length is not less than 75mm, institute
There is the lightning-arrest material all should galvanizing by dipping.
7）Earth resistance measured value should be not more than 10 ohm.
8）Lightning-arrest system should in time submit examination to after installing, and concealed work can be carried out after acceptance(check).
7 anti-guncotton are installed
The installation of fire proofing material strictly should construct by design requirement.Fire proofing material uses monoblock rock cotton board, fixed fire proofing material
Envelope repair plate should anchor it is firm.Envelope is repaiied plate and must not use aluminium sheet, should must not be with using the galvanized steel plain sheet of more than 1.5mm, galvanized steel plain sheet
Aluminium alloy panel directly contact, should carry out encapsulation process after liner plate is in place.Anti- guncotton thickness can not be less than 60mm, and laying is full
Uniform exhaustive.The encapsulant of fireprotection layer should use fireproof seal gum, and fireproof seal gum Ying Youyou qualifications testing agency prevents
Fiery survey report.Construction is finished, it is necessary to check whether all of fire prevention node all seals tight, it is qualified after can carry out lower road work
Sequence.
8 concealment acceptances
Each concealed work needs to carry out acceptance of concealed work after installing, 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.
9 panels are installed
Panel installation is carried out using hanging basket.Insertion inspection is carried out to rod member anyhow with theodolite before installing, to ensure decoration panel
Installation accuracy,
1) aluminium sheet is installed should press the placement of plate blanking figure upper plate number in place, and trial assembly checks its levelness, perpendicularity, then uses screw
Examination is fixed on major-minor keel, and gap meets the requirements and be completely fixed again anyhow for adjustment.
2) erection sequence of aluminium sheet is the vertical first row of edge from every face wall, from bottom to top（Or from top to bottom）Install,
Same installation lattice region must not multiple spot install, it is to avoid Interconnection error is excessive.The first row for installing the face wall installs second again
Row.After 10 row's wallboards of laying are often installed, messenger wire is answered to check once, to eliminate error in time.The method of fixed panel, using certainly
Attack screw to be screwed on shaped steel, this method good endurance.
3) gap between plate and plate is 10~20mm, and in installation process, such as seam width has error, should divide equally in every glue-line
In, prevent the accumulation of error a certain bar seam in or a certain piece of facestock on.The multiplex sealed elastomer treatment of plate stitch.When decoration panel peace
Install complete, it should be noted that should not temporarily tear diaphragm off.
4) close up construction
The bearing down on one of horizontal position, the closing in of corner, the treatment at expansion joint, handover process of two kinds of different materials etc., not only relation
To decorative effect, and to also having large effect using function, it is noted that according to actual conditions drawing modification node during construction
Figure.
10 partings beat weather-resistant glue
1) sealing surface is cleaned using toluene, the field that solution should not be allowed to be dispersed into beyond seam is should be specifically noted that during cleaning
Institute, should often change after the gauze of cleaning is dirty, to ensure to clean effect, after finally solvent is evaporated with the gauze of dry cleansing
Vestige wipe away, keep sealing surface dry.
2) aluminium sheet diaphragm tuck portion is torn, by U.S. line paper is sticked at 90 ° of corner flangings, U.S. line paper is in corner glue-line
Place should roll over 90 ° of corners, and the line paper one-time-reach-place of whole plate U.S. is firmly floating, it is to avoid U.S. line paper wrinkle.
3) filled and process rod, it is desirable to closely knit straight.
4) injecting glue should be uniform, closely knit, full, while noting glue applying method, it is to avoid waste.Should be walked by straight line during injecting glue, from
Under up to, from left to right, once beat.
5) after injecting glue, glue-line scuppit should be exerted oneself along injecting glue direction to press, unnecessary glue is wiped off, and glue-line is spread into design
Shape, makes that glue-line is smooth, smoothness.Pulling rate degree should be scraped during frictioning in corner portion somewhat slow by injecting glue step once on earth.
6) after glue-line is trimmed, Protection glue band should in time be removed, and notice that the adhesive tape torn should not pollute aluminium sheet face；Tear off
U.S. line paper should be pullled in export-oriented 45 ° of inclinations, the U.S. line paper for tearing be focused on, it is to avoid environmental pollution.It is bonded on construction surface
Glue trace to clear up in time.
11 curtain wall surface cleans
1) dirt etc. is wiped with the wet gauze for soaking neutral flux (5% aqueous solution) first when cleaning, is then wiped with dry gauze again
Totally.
2) when cleaning mortar, tape residue, bamboo shovel, synthetic resin shovel etc. is can be used carefully to scrape off.
3) metal cleaning device is prohibitted the use of, the not handy instrument for being stained with sand, metal fillings.
4) acid or basic lotion is prohibitted the use of.
Claims (1)
1. complicated arc list construction of Pyramid engineering method, it is characterised in that comprise the following steps：
The complicated arc list construction of Pyramid engineering method that the present invention is provided, comprises the following steps：
First, embedded part is installed
In design drawing during existing embedded part layout drawing, should carry out checking rear construction in line with the drawings, not indicate that embedded part is arranged in design drawing
During figure, should be required according to drawing lattice, draw keel walkthrough figure, embedded part is arranged further according to spine arrangement figure；
Described embedded part is divided into built-in fitting and post-install；
2nd, surveying setting-out
1）The external corner and inner corner trim of curtain wall are drawn with laser zenith meter, determines the center line of each facade, and it is fixed on steel bracket
Wire（1.0~Φ of Φ 1.2）As negative and positive angle, middle line index control line（At interval of a piece wire of 20 meters of drawings）；Wire
Depending on lower sideline falls weight with height, below 40m height, line pendant weight is 8~10Kg；Upper end Special hanging line angle steelframe is with swollen
The swollen top for being bolted to building big angle, it is noted that protecting and running check when using, and fastens at the two ends of control line
Point makes a mark, can quick-recovery soon 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 successively will draw upwardly from ground, should during measurement
Control distribution measurement error, it is impossible to make the accumulation of error；Horizontal wire line should every layer draw one, when length is long, should be at interval of 20
Rice sets 1 fulcrum；
3）Rule is looked for according to benchmark control line, ejection vertically and horizontally controls the line of ink marker, and according to lattice figure and is actually needed ejection
Keel frame bar；
4）Surveying setting-out should be carried out in the case of wind-force is not more than 4 grades, and take wind sheltering measure；
5）After unwrapping wire positioning, in installation process, control line timing is checked, it is perpendicular to ensure aluminum facade perpendicularity and metal
Frame position it is correct；
6）While surveying setting-out, the position deviation for tackling built-in fitting is tested, positioned；Deviation will more than embedded part quality
Ask, and cannot adopt remedial measures, should be supplemented using post-install；
3rd, component processing
The specifications and models of curtain wall type steel skeleton are selected after should calculating, and processing by drawing blanking, perforate, and will carry out heat in factory
Galvanized anticorrosive treatment；Panel draws blanking figure according to live lattice situation after actual quantities size, blanking figure will enter according to installation position
Row Unified number, it is ensured that can be sat in the right seat during installation；Single aluminium sheet should take whole plate curved in positions such as negative and positive angle, windowsill, parapets
Folding makes three dimensional panel；Blanking figure should be noted that deduction parting is wide, and the three dimensional panel for negative and positive angle, windowsill, parapet position should draw
Graphics and plane outspread drawing；Single aluminium sheet processing request in factory's one-shot forming, and by blanking figure reference numeral, it is ensured that be transported to existing
Wall is gone up by number by；
1）The metallic framework processing of curtain wall
（1）Curtain wall construction rod member should carry out alignment adjustment before cutting material；
（2）The tolerance of curtain wall cross beam cutting length should be ± 0.5mm, and the tolerance of column cutting length should be ±
1.0mm, the angle tolerance of termination gradient should be -15 ＇；
（3）Cutting material termination must not deform because of processing, should not be jagged；
(4）The tolerance of hole position should be ± 0.5mm, and the tolerance of pitch-row should be ± 0.5mm, and Accumulated deviation cannot be greater than ±
1.0mm；
2）Single aluminium sheet processing
（1）The kind of single aluminium sheet, specification and color and luster should meet design requirement；Plate surface Fluorocarbon resin coating thickness should meet and set
Meter is required；
（2）During single layer aluminium sheet Bending Processing, bending outer arc radius are no less than 1.5 times of thickness of slab；
（3）The fixation of single layer aluminium sheet ribbed stiffener can be fixed using electric peg, but it is ensured that aluminium sheet outer surface should not deform, fade
Should be firm；
（4）The fixed ears or side handles of a utensil of single layer aluminium sheet should meet design requirement；, using being riveted on aluminium sheet, position should be accurate for the fixed ears or side handles of a utensil,
Fixation；
4th, metallic framework is installed
Must first eject the upright controling line in big angle Liang Ge faces before keel installation, preferably bullet on the position of big angle 20cm, with
Just the accuracy of vertical hanging wire is checked at any time, it is ensured that smoothly installed；
Column, crossbeam should draw special construction in installing for the privileged sites such as movement joint, parapet, windowsill according to actual conditions
Node, it is ensured that integrality, sealing, the aesthetic property of the position such as movement joint, parapet, windowsill curtain wall；
1）The installation of column
（1）Column will make the center of connector when installing, logical line is ejected with the line of ink marker；Column is first connected with connector,
From top to bottom, successively connector is welded to connect with main body built-in fitting again；
（2）Column should adjust the horizontal elevation location of every root post according to vertical, the horizontal reference line of ink marker after installing, slightly tightly
Bolt, then adjust turnover, right position, it is qualified on inspection after, tightening nuts；Column uses messenger wire or theodolite after installing
Insertion inspection is carried out, nut is fixed with ironware spot welding after overall acceptability；
2）The installation of crossbeam
（1）Control construction drawing checks whether framework main joist size and processing hole position are correct；
（2）Secondary joist is tentatively fixed on main joist；
（3）According to datum line, bearing connecting bolt is adjusted, to ensure crossbeam installation level and perpendicularity；Same layer crossbeam is pacified
Dress should be carried out from bottom to top, when a layer height is installed, should be carried out inspection adjustment, correction, be fixed, and complying with quality will
Ask；
5th, the anticorrosive construction of installation process
Using metallic anti-rust paint coating no less than twice after being taken out stains for the position that corrosion-inhibiting coating is destroyed；Embedded iron parts and
Connector must be no less than three times with embedded iron parts welding position using metallic anti-rust paint coating；
6th, take shelter from the thunder and construct
1）When column is installed, being reliably connected for lightning protection system should be carried out by design requirement, grading ring should be with agent structure
Lightning protection system is connected, and for transformation building, cannot be such as connected with main body lightning conduction, should be reformed 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 connect with grading ring, vertical with what the vertical muscle of beam was connected at grading ring
Crossbeam on post must be connected with column；
3）On curtain wall facade, within horizontal direction is per 8m, positioned at the column for not setting grading ring floor, it is necessary to pressed with being fixed on to set
The column connection of ring floor；
4）To being provided with many more important sensitive electron systems, such as communication equipment, electronic computer, electronic control system modern times
The building of change equipment, in order to increase shielding action, lightning protection and equipotential measure can be done from the ground first floor, will the first floor with
On exterior wall on the larger metal object such as building curtain wall, metal door and window, metal hand rail be connected with lightning protection device；
5）The lightning protection on curtain wall top considers by building lightning protection systematic unity, can be along roof week when building curtain wall is located on the outside of parapet
While setting lighting proof strip, its installation site slightly protrudes parapet top periphery；Also can with roof other bright metal objects that set as connecing sudden strain of a muscle
Device；
6）Curtain wall lightning conductor connection contact surface should not loosen reliably closely, and lightning-arrest connecting wire should be in the diaphragm of material surface
Position is removed to be attached；When curtain wall metal frame is welded by band steel with reserved band steel, fusion length is not less than 75mm, all to keep away
Thunder material all should galvanizing by dipping；
7）Earth resistance measured value should be not more than 10 ohm；
8）Lightning-arrest system should in time submit examination to after installing, and concealed work can be carried out after acceptance(check)；
7th, anti-guncotton is installed
The installation of fire proofing material strictly should construct by design requirement；Fire proofing material uses monoblock rock cotton board, fixed fire proofing material
Envelope repair plate should anchor it is firm；Envelope is repaiied plate and must not use aluminium sheet, should must not be with using the galvanized steel plain sheet of more than 1.5mm, galvanized steel plain sheet
Aluminium alloy panel directly contact, should carry out encapsulation process after liner plate is in place；Anti- guncotton thickness can not be less than 60mm, and laying is full
Uniform exhaustive；The encapsulant of fireprotection layer should use fireproof seal gum, and fireproof seal gum Ying Youyou qualifications testing agency prevents
Fiery survey report；Construction is finished, it is necessary to check whether all of fire prevention node all seals tight, it is qualified after can carry out lower road work
Sequence；
8th, concealment acceptance
Each concealed work needs to carry out acceptance of concealed work after installing, 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；
9th, panel is installed
Panel installation is carried out using hanging basket；Insertion inspection is carried out to rod member anyhow with theodolite before installing, to ensure decoration panel
Installation accuracy,
1) aluminium sheet is installed should press the placement of plate blanking figure upper plate number in place, and trial assembly checks its levelness, perpendicularity, then uses screw
Examination is fixed on major-minor keel, and gap meets the requirements and be completely fixed again anyhow for adjustment；
2) erection sequence of aluminium sheet is the vertical first row of edge from every face wall, from bottom to top（Or from top to bottom）Install, it is same
Install lattice region must not multiple spot install, it is to avoid Interconnection error is excessive；The first row for installing the face wall installs second row again；Often
After 10 row's wallboards of laying are installed, messenger wire is answered to check once, to eliminate error in time；The method of fixed panel, using self tapping spiral shell
Nail is screwed on shaped steel, this method good endurance；
3) gap between plate and plate is 10~20mm, and in installation process, such as seam width has error, should divide equally in every glue-line,
Prevent the accumulation of error a certain bar seam in or a certain piece of facestock on；The multiplex sealed elastomer treatment of plate stitch；When decoration panel is installed
Finish, it should be noted that should not temporarily tear diaphragm off；
4) close up construction
The bearing down on one of horizontal position, the closing in of corner, the treatment at expansion joint, handover process of two kinds of different materials etc., not only relation
To decorative effect, and to also having large effect using function, it is noted that according to actual conditions drawing modification node during construction
Figure；
Tenth, parting beats weather-resistant glue
1) sealing surface is cleaned using toluene, the field that solution should not be allowed to be dispersed into beyond seam is should be specifically noted that during cleaning
Institute, should often change after the gauze of cleaning is dirty, to ensure to clean effect, after finally solvent is evaporated with the gauze of dry cleansing
Vestige wipe away, keep sealing surface dry；
2) aluminium sheet diaphragm tuck portion is torn, by U.S. line paper is sticked at 90 ° of corner flangings, U.S. line paper should at the glue-line of corner
90 ° of corners of folding, whole plate U.S. line paper one-time-reach-place is firmly floating, it is to avoid U.S. line paper wrinkle；
3) filled and process rod, it is desirable to closely knit straight；
4) injecting glue should be uniform, closely knit, full, while noting glue applying method, it is to avoid waste；Should be walked by straight line during injecting glue, from up to
Under, from left to right, once beat；
5) after injecting glue, glue-line scuppit should be exerted oneself along injecting glue direction to press, unnecessary glue is wiped off, and glue-line is spread into design
Shape, makes that glue-line is smooth, smoothness；Pulling rate degree should be scraped during frictioning in corner portion somewhat slow by injecting glue step once on earth；
6) after glue-line is trimmed, Protection glue band should in time be removed, and notice that the adhesive tape torn should not pollute aluminium sheet face；Tear U.S. line off
Paper should be pullled in export-oriented 45 ° of inclinations, the U.S. line paper for tearing be focused on, it is to avoid environmental pollution；It is bonded at the glue on construction surface
Trace will be cleared up in time；
11, curtain wall surface clean
1) dirt etc. is wiped with the wet gauze for soaking neutral flux (5% aqueous solution) first when cleaning, is then wiped with dry gauze again
Totally；
2) when cleaning mortar, tape residue, shoveled using bamboo, synthetic resin is shoveled and carefully scraped off；
3) metal cleaning device is prohibitted the use of, the not handy instrument for being stained with sand, metal fillings；
4) acid or basic lotion is prohibitted the use of.
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