CN104831847A - Steel wrapping construction method - Google Patents
Steel wrapping construction method Download PDFInfo
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- CN104831847A CN104831847A CN201510268321.4A CN201510268321A CN104831847A CN 104831847 A CN104831847 A CN 104831847A CN 201510268321 A CN201510268321 A CN 201510268321A CN 104831847 A CN104831847 A CN 104831847A
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Abstract
The invention relates to a steel wrapping construction method which is applied to a vertical large-area span hidden-frame curtain wall. The steel wrapping construction method specifically includes the following steps: 1, steel structure dimension data of the external wall of a building are measured; 2, position center lines of steel band components and partitioning control lines are snapped; 3, chemical bolts are installed, post-installing embedded parts are fixed, and a steel frame base layer is welded; 4, correction and fixing are carried out, serious-local-deformation sections are heated to be processed, and steel structure parts are riveted to through connection parts of the steel frame base layer after pre-inspection is qualified and numbering is carried out; 5, sundries such as floating dust at the spliced portions are removed, primary cleaning and secondary cleaning are sequentially carried out, and it is guaranteed that splicing is carried out within five minutes after the portions are cleaned; curtain wall silicone structural adhesives, hollow or laminated glass and multi-directional aluminum profile auxiliary frames are spliced and maintained, and scraping blackening processing is carried out on the portions needing to be shielded and hidden. The method is simple and reasonable in technological process and easy to construct, the construction quality can be well controlled, and the quality problems that steel bands are twisted, are not smooth and droop due to the deflection are solved.
Description
Technical field
The present invention relates to building field, particularly relate to a kind of Baogang engineering method.
Background technology
In the lark Hilton hot spring hotel project of Anshun, these project annex exterior wall design basic unit keel all adopt the way of aluminium Baogang strap clamp board keel, and whole annex glass plate is larger.This engineering is deluxe hotel, belongs to Anshun terrestrial reference project, will possess and become Anshun financial center status after building up.
Before construction, to this curtain wall analysis, Dongfang Decoration & Design Engineering Co., Ltd. Of China Construction Third Engineering Bureau of unit in charge of construction show that the outer cladding glass plate size of this engineering annex is large and facade is irregular, basic unit's keel steel content is higher, first to erect in basic unit's keel installation and singlely be about 5.4M, weight is about the steel band of 450Kg, conveniently construct way, not only difficulty of construction is large, and construction quality is also difficult to ensure.
Above-mentioned known, be necessary to be further improved prior art.
Summary of the invention
For above problem, the present invention proposes that a kind of technological process is simple, rationally, construction easily, can control construction quality preferably, prevent steel band because of Baogang's engineering method of the straight and not sagging quality problems of self amount of deflection distortion.
The present invention is achieved by the following technical solutions:
Above-mentioned Baogang's engineering method, is applied to vertical large area span frame concealed curtain wall, specifically comprises the following steps:
(1) line setting, namely ejects level or orthogonal control lines according to drawing requirement, measures the steel work sized data of facade;
(2) determine installation site line, namely eject the control line of each block steel band member position center line and piecemeal by the design attitude after in-depth;
(3) beat chemical bolt, namely beat chemical bolt according to installation site line fixed point, fixing post-install, then welding steel structure basic unit;
(4) steel beam column is installed, and namely before formal installation, reply specification is tested and selects, and corrects on platform by designing requirement, with eliminate bring because of the cold and hot inequality of being heated of steel band in galvanizing by dipping processing procedure arch camber, buckling phenomenon; Then multidirectional jack is adopted to fix, the serious section heat treatment of local distortion; After testing qualified being numbered in advance, steel beam column is riveted on steelframe basic unit adaptor according to numbering hanging;
(5) glass makes, and namely by the requirement of GB2003 specification for curtain wall, removes the foreign material such as floating dust of bonding site, use two acetone forward single clean, clean towel secondary cleans, and ensures to clean in position 5 minutes bonding; Simultaneously by through compatible, peel off, the curtain wall structural silicone glue of tension test and hollow or doubling glass, the secondary frame of multidirectional aluminium extruded sections carries out bonding and maintenance by code requirement, scrapes black process need block concealment part employing.
Described Baogang engineering method, wherein: described step (4) steel beam column is use crane or mechanical hoist engine to join the hanging of impedimenta wheel according to numbering steel beam column to be riveted on steelframe basic unit adaptor in installing, ensure the operation of band line when steel beam column is formally installed, accurately in place, joint is straight.
Described Baogang engineering method, wherein: doubling glass adopts the thick galvanizing shaped steel of single 250*250*25mm thick galvanizing shaped steel and two 180*180*16mm to weld, as the shaped steel keel of doubling glass curtain wall in described step (5); Described doubling glass is twin spans two floors, and the length of single synthesis steel band is the height of annex floor, is 5.4 meters, and by the upper and lower bolt of two synthesis steel bands, the steel plate thick with 16mm and the bolt of M12, to folder bolt, can form the synthesis steel band that span is 10.8 meters; Described length is that upper and lower two of synthesis steel band of 10.8 meters utilizes that adaptor and M12's be bolted on embedded part, and upper and lower two fixed points are vertical across two floors.
Described Baogang engineering method, wherein: described shaped steel keel adopt turnover dislocation to arrange in the plane of doubling glass curtain wall.
Described Baogang engineering method, wherein: after the steel plate bolt that 5.4 meters two synthesis steel bands utilize 16mm thick, after the verticality adjusting described shaped steel keel, by thick for 16mm, folder steel plate is synthesized steel band welded respectively with upper and lower two.
Described Baogang engineering method, wherein: before construction, must carry out intensity detection to the bolt of described M12.
Described Baogang engineering method, wherein: after described adaptor is encorbelmented away, adopts diagonal brace steel work as support, to avoid described adaptor to produce flexural deformation by excessive weight, prevents whole curtain wall entirety from down producing displacement.
Described Baogang engineering method, wherein: the size of built-in fitting and thickness, the size of chemical anchor bolts must pass through Force Calculation, to reach requirement of strength.
Described Baogang engineering method, wherein: in construction, must first install described adaptor, then carry out the lifting of described shaped steel keel, and when installation makes described adaptor, described adaptor must form positive-angle with horizon and install.
Described Baogang engineering method, wherein: the lifting of described shaped steel keel is lifted separately by the keel of two 5.4 meters, then completes middle bolt; The positive-angle size that described adaptor must be formed with horizon is material by adaptor used and specification, is determined by Force Calculation.
Beneficial effect:
Baogang of the present invention engineering method technological process is simple, reasonable, use steel work self side direction deflection strength, welding beam channel-section steel corner brace after vertical lifting corrects, by aluminum alloy cross beam top just its positive apparent error, installation component aluminum alloy seat again, after being made by multidirectional for macroplate 8+1.52pvb+8 toughened rubber-laminated vacuum glass secondary frame, be arranged on aluminum alloy seat, lower end establishes 1.2m stainless steel to link up with.Reach large span vertical concealed frame glass curtain wall flap effect.Vertical across two floors up and down in order to reach glass, form the penetrating effect as advertisement exhibition booth of a kind of glass, the two over thousands of jin so though the shaped steel synthesis keel of 10.8 meters weigh, but connect across adaptor by upper and lower two, form the curtain wall construction lines of penetrating smoothness, the height of the aesthetics and mechanics that reach current curtain wall is combined.
The present invention is compared to the advantage of traditional glass curtain wall type steel joist:
1) then the important feature of this engineering method at shaped steel keel as unique primary structure member, compared with aluminium extruded sections keel, larger weight can be born, thus this engineering method be suitable for macroplate glass install and make;
2) because shaped steel keel are when high span, deflection deformation is far smaller than aluminium extruded sections keel, makes so the curtain wall that this engineering method is applicable to high span is installed;
3) due in this engineering method, it is used that the aluminium alloy extrusions of shaped steel keel outsourcing is only decoration, it is not primary structure member, so, as long as this aluminium extruded sections is under the prerequisite of satisfied installation, variation in moulding can be realized to greatest extent, meet vision, requirement functionally, reach the untouchable effect of traditional large span curtain wall;
4) cost Control aspect, the super 10M vertical span curtain wall of tradition, when using spine material for steel, the more common curtain wall of square content exceeds about 300%; If use fine aluminium profile structure, one be fine aluminium section bar conventional length is 6.3M, and super 10M section bar domestic Neng Chan producer is very few, and span surpass 10M after section bar physical properties demand all greatly improve, conventional market cannot meet substantially.
Now adopt Baogang of the present invention engineering method, the more common large span curtain wall of material content reduces about 60%, and is market visible material, and emphasis is beneficial to duration, cost control.
Accompanying drawing explanation
Fig. 1 is the process chart of Baogang of the present invention engineering method.
Detailed description of the invention
As shown in Figure 1, Baogang of the present invention engineering method, be applicable to vertical large area span frame concealed curtain wall, it comprises the following steps:
S010, line setting
Eject level or orthogonal control lines according to drawing requirement, measure the steel work sized data of facade;
S020, determine installation site line
The control line of each block steel band member position center line and piecemeal is ejected by the design attitude after in-depth;
S030, beat chemical bolt
Chemical bolt is beaten, fixing post-install, then welding steel structure basic unit according to installation site line fixed point;
S040, steel beam column are installed
Before formal installation, reply shaped steel keel specification is tested and selects, and corrects on platform by designing requirement, eliminate bring because of the cold and hot inequality of being heated of steel band in galvanizing by dipping processing procedure arch camber, buckling phenomenon; Should adopt multidirectional jack fixed steel joist, shaped steel keel heavy local deformation position needs heat treatment; After testing qualified being numbered in advance, use crane or mechanical hoist engine to join the hanging of impedimenta wheel according to numbering steel beam column and be riveted on steelframe basic unit adaptor, line must be with when steel beam column is formally installed to operate, and accurately in place, joint is straight;
S050, glass make
By the requirement of GB2003 specification for curtain wall, remove the foreign material such as floating dust of bonding site, use two acetone forward single clean, clean towel secondary cleans, and clean position must be bonding in 5 minutes; Simultaneously by through compatible, peel off, the curtain wall structural silicone glue of tension test, hollow or doubling glass, the secondary frame of multidirectional aluminium extruded sections carry out bonding and maintenance by code requirement, adopt and scrape black process concealment part need be blocked.
Wherein, in above-mentioned steps S050, doubling glass adopts the thick galvanizing shaped steel of single 250*250*25mm thick galvanizing shaped steel and two 180*180*16mm to weld, as the shaped steel keel of doubling glass curtain wall, the length of single synthesis steel band is the height of the present embodiment annex floor, is 5.4 meters, answers designing requirement, this doubling glass is twin spans two floors, the upper and lower bolt of two synthesis steel bands, the steel plate thick with 16mm and the bolt of M12, to folder bolt, form the synthesis steel band that span is 10.8 meters; This length is that upper and lower two of synthesis steel band of 10.8 meters utilizes that adaptor and M12's be bolted on embedded part, and upper and lower two fixed points are vertical across two floors.
After single shaped steel keel are fixing, misplaced by the turnover of plane mo(u)ld top half steel joist, form the effect that macroplate glass is folding, performance visually achieves the stereovision that simple glass curtain wall cannot realize, curtain wall location is located with project class and is coincide, and plays the pen of crucial touch in whole facade effect.
Simultaneously, after the steel plate bolt that 5.4 meters of two steel bands utilize 16mm thick, must after the verticality adjusting shaped steel keel, by thick for 16mm, folder steel plate is synthesized steel band welded respectively with upper and lower two, one is ensure bolt stretching up and down only in order to shaped steel keel, two is to ensure shaped steel keel afterwards after mounting glass, not making because of the weight of glass shaped steel keel recessed inward;
Due in this engineering method, the weight of light compositing shaped steel keel just reaches two over thousands of jin, but the galvanizing being only 4 M12 on adaptor is bolt strained, so before construction, the bolt of tackling this M12 carries out intensity detection;
Shaped steel keel not only weigh, and need to encorbelment structure, the short of distance of encorbelmenting at least also has 700mm, 1.5 meters are reached apart from large, so after requiring that our adaptor is encorbelmented away, diagonal brace steel work must be had as support, in order to avoid adaptor produces flexural deformation by excessive weight, thus make whole curtain wall entirety down produce displacement;
The size of post-install and thickness, the size of chemical anchor bolts must pass through Force Calculation, to reach requirement of strength.
Because the weight of shaped steel keel is excessive, so in construction, first adaptor must be installed, (the shaped steel keel of two 5.4 meters lift separately to carry out the lifting of shaped steel keel again, complete middle bolt again), and when installation adaptor, after must considering that adaptor is stressed, the flexural deformation produced, so, when installation makes adaptor, adaptor can not level be installed, must form positive-angle with horizon, the size of angle, by the material of adaptor used and specification, is determined by Force Calculation.
Baogang of the present invention engineering method technological process is simple, reasonable, stock utilization is high, and construction easily, can control construction quality preferably, prevent steel band because of the straight and not sagging quality problems of self amount of deflection distortion, the height of the aesthetics and mechanics that reach current curtain wall is combined.
Claims (10)
1. Baogang's engineering method, be applied to vertical large area span frame concealed curtain wall, it is characterized in that, described Baogang engineering method specifically comprises the following steps:
(1) line setting
Eject level or orthogonal control lines according to drawing requirement, measure the steel work sized data of facade;
(2) installation site line is determined
The control line of each block steel band member position center line and piecemeal is ejected by the design attitude after in-depth;
(3) chemical bolt is beaten
Chemical bolt is beaten, fixing post-install, then welding steel structure basic unit according to installation site line fixed point;
(4) steel beam column is installed
Before formal installation, reply specification is tested and selects, and corrects on platform by designing requirement, with eliminate bring because of the cold and hot inequality of being heated of steel band in galvanizing by dipping processing procedure arch camber, buckling phenomenon; Then multidirectional jack is adopted to fix, the serious section heat treatment of local distortion; After testing qualified being numbered in advance, steel beam column is riveted on steelframe basic unit adaptor according to numbering hanging;
(5) glass makes
By the requirement of GB2003 specification for curtain wall, remove the foreign material such as floating dust of bonding site, use two acetone forward single clean, clean towel secondary cleans, and ensures in clean position 5 minutes bonding; Simultaneously by through compatible, peel off, the curtain wall structural silicone glue of tension test and hollow or doubling glass, the secondary frame of multidirectional aluminium extruded sections carries out bonding and maintenance by code requirement, scrapes black process need block concealment part employing.
2. Baogang as claimed in claim 1 engineering method, it is characterized in that: described step (4) steel beam column is use crane or mechanical hoist engine to join the hanging of impedimenta wheel according to numbering steel beam column to be riveted on steelframe basic unit adaptor in installing, the operation of band line is ensured when steel beam column is formally installed, accurately in place, joint is straight.
3. Baogang as claimed in claim 1 engineering method, it is characterized in that: doubling glass adopts the thick galvanizing shaped steel of single 250*250*25mm thick galvanizing shaped steel and two 180*180*16mm to weld, as the shaped steel keel of doubling glass curtain wall in described step (5);
Described doubling glass is twin spans two floors, and the length of single synthesis steel band is the height of annex floor, is 5.4 meters, and by the upper and lower bolt of two synthesis steel bands, the steel plate thick with 16mm and the bolt of M12, to folder bolt, can form the synthesis steel band that span is 10.8 meters;
Described length is that upper and lower two of synthesis steel band of 10.8 meters utilizes that adaptor and M12's be bolted on embedded part, and upper and lower two fixed points are vertical across two floors.
4. Baogang as claimed in claim 3 engineering method, is characterized in that: described shaped steel keel adopt turnover dislocation to arrange in the plane of doubling glass curtain wall.
5. Baogang as claimed in claim 3 engineering method, it is characterized in that: after the steel plate bolt that 5.4 meters two synthesis steel bands utilize 16mm thick, will after the verticality adjusting described shaped steel keel, by thick for 16mm, folder steel plate is synthesized steel band welded respectively with upper and lower two.
6. Baogang as claimed in claim 3 engineering method, is characterized in that: before construction, must carry out intensity detection to the bolt of described M12.
7. the Baogang's engineering method as described in as arbitrary in claims 1 to 3, it is characterized in that: after described adaptor is encorbelmented away, adopt diagonal brace steel work as support, to avoid described adaptor to produce flexural deformation by excessive weight, prevent whole curtain wall entirety from down producing displacement.
8. Baogang as claimed in claim 3 engineering method, it is characterized in that: the size of built-in fitting and thickness, the size of chemical anchor bolts must pass through Force Calculation, to reach requirement of strength.
9. Baogang as claimed in claim 3 engineering method, is characterized in that: in construction, must first install described adaptor, then carry out the lifting of described shaped steel keel, and when installation makes described adaptor, described adaptor must form positive-angle with horizon and install.
10. Baogang as claimed in claim 9 engineering method, is characterized in that: the lifting of described shaped steel keel is lifted separately by the keel of two 5.4 meters, then completes middle bolt;
The positive-angle size that described adaptor must be formed with horizon is material by adaptor used and specification, is determined by Force Calculation.
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| CN201510268321.4A CN104831847B (en) | 2015-05-22 | 2015-05-22 | A kind of Baogang's engineering method |
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| CN201510268321.4A CN104831847B (en) | 2015-05-22 | 2015-05-22 | A kind of Baogang's engineering method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3846951A (en) * | 1973-03-21 | 1974-11-12 | Alusuisse | On site method of erecting a wall structure and a weather gasket joint |
| CN101509291A (en) * | 2009-03-23 | 2009-08-19 | 中设建工集团有限公司 | Construction process of point type glass curtain wall |
| CN102116062A (en) * | 2009-12-30 | 2011-07-06 | 程银河 | Manufacturing method of dry-hang stone curtain wall |
| CN103352526A (en) * | 2013-07-09 | 2013-10-16 | 邱平 | Curtain wall dry hanging multidirection adjusting pendant and construction method thereof |
| CN103397726A (en) * | 2013-08-16 | 2013-11-20 | 中国建筑第八工程局有限公司 | Construction method for distorted glass curtain wall |
| CN103774853A (en) * | 2014-01-08 | 2014-05-07 | 永升建设集团有限公司 | Installation construction method for curtain wall with hyperbolic metal veneer |
-
2015
- 2015-05-22 CN CN201510268321.4A patent/CN104831847B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3846951A (en) * | 1973-03-21 | 1974-11-12 | Alusuisse | On site method of erecting a wall structure and a weather gasket joint |
| CN101509291A (en) * | 2009-03-23 | 2009-08-19 | 中设建工集团有限公司 | Construction process of point type glass curtain wall |
| CN102116062A (en) * | 2009-12-30 | 2011-07-06 | 程银河 | Manufacturing method of dry-hang stone curtain wall |
| CN103352526A (en) * | 2013-07-09 | 2013-10-16 | 邱平 | Curtain wall dry hanging multidirection adjusting pendant and construction method thereof |
| CN103397726A (en) * | 2013-08-16 | 2013-11-20 | 中国建筑第八工程局有限公司 | Construction method for distorted glass curtain wall |
| CN103774853A (en) * | 2014-01-08 | 2014-05-07 | 永升建设集团有限公司 | Installation construction method for curtain wall with hyperbolic metal veneer |
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| CN104831847B (en) | 2018-08-14 |
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Address after: 200120 Shanghai Pudong New Area free trade pilot area 985 Dongfang Road 21 Applicant after: Built in East Decoration Co. Ltd. Address before: 200120 Dongfang Road, Pudong New Area, Shanghai, No. 985, 21 Applicant before: Dongfang Decoration Design Engineering Co., Ltd. of China Construction Third Engineering Bureau |
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