CN101575892B - Large-area lower edge nested aluminum plate curved hung ceiling with high punching rate and construction method thereof - Google Patents
Large-area lower edge nested aluminum plate curved hung ceiling with high punching rate and construction method thereof Download PDFInfo
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- CN101575892B CN101575892B CN2009103011651A CN200910301165A CN101575892B CN 101575892 B CN101575892 B CN 101575892B CN 2009103011651 A CN2009103011651 A CN 2009103011651A CN 200910301165 A CN200910301165 A CN 200910301165A CN 101575892 B CN101575892 B CN 101575892B
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Abstract
The invention provides a large-area lower edge nested aluminum plate curved hung ceiling with high punching rate and a construction method thereof. The bottom flange of an I-shaped steel beam is suspended and connected with a U-shaped fastener. The U-shaped fastener comprises a pair of main suspending angle steel and a piece of transverse angle steel connected between the two pieces of main suspending angle steel. The transverse angle steel is connected with an angle steel suspender in a T shape. The two pieces of main suspending angle steel of the U-shaped fastener are nested and connected tothe upper surface of the bottom flange of the steel beam. The horizontal flange of the transverse angle steel thereon is provided with two circular holes. The lower end of each circular hole is welde d with a nut. The upper end of a jackscrew passes through the nut and the circular holes and is pressed on the lower surface of the bottom flange of the steel beam. The lower end of the angle steel suspender is connected with a conversion layer steel frame, and the conversion layer steel frame is connected with a primary steel keel and a secondary steel keel in the shape of meshes and connected with a lightweight steel suspender, the lower end of the lightweight steel suspender is connected with a lightweight steel keel system by a hanger and a connecting bolt. The lightweight steel keel system is fixedly connected with a metal ceiling plate. The invention solves the technical problem of ceiling ultra-large space curved steel structure roof.
Description
Technical field
The present invention relates to ceiling structure and job practices thereof on a kind of steel work roofing.
Background technology
In public building, large space steel work roofing exists that structural span is big, the position exists construction error, space structures complexity, the characteristics of ceiling decoration engineering survey, suspension centre location difficulty between the structure.The furred ceiling construction of super large space curved surface exists construction cost height, the technical problem that installation rate is slow.Known ceiling structure is the lightgage steel joist system, connects light steel main joist and light steel secondary joist by fastener, and suspension rod directly is connected with steel work.Its operability is poor, the procedure connection defective tightness, and work efficiency is low, and the bulk velocity and the precision of furred ceiling construction can't guarantee, remove and install all extremely inconvenient.Because large space curved surface steel work roofing is continuous curve surface, its spatial variations is big, and known lightgage steel joist system can't adapt to the spatial variations of continuous curve surface, and steel work girder position is also often inaccurate, causes construction error easily, so and inapplicable.Particularly some steel work roofing is because designing requirement must not be carried out weld job on the roofing steelframe, and installation has brought difficulty to furred ceiling.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of aluminum plate curved furred ceiling of the high perforated percentage of large tracts of land lower edge cup joint style and job practices thereof, solve super large space curved surface steel work roofing furred ceiling difficulty, installation rate is slow and construction cost is high technical problem.
The technical solution adopted for the present invention to solve the technical problems is:
The aluminum plate curved furred ceiling of a kind of high perforated percentage of large tracts of land lower edge cup joint style is included in the suspention lightgage steel joist system and the metal ceiling board of steel structure girder below, and it is characterized in that: described steel structure girder is an i iron, and the bottom flange of steel structure girder connects U type fastener.
Described U type fastener comprises a pair ofly main to be hung angle steel, is connected two main horizontal angle steel of hanging between the angle steel and is formed by fixedly connecting, and described horizontal angle steel is connected with the angle steel suspension rod is T-shaped.
Two main angle steel amplexis of hanging of U type fastener are at the bottom flange of steel structure girder upper surface, laterally have two circular holes on the horizontal flange of angle steel, welded nut below each circular hole, pass above-mentioned nut and circular hole by the jackscrew upper end, roof pressure is at steel structure girder bottom flange soffit, and the lower end of described angle steel suspension rod is connected with the conversion layer steelframe.
Described conversion layer steelframe connects into latticed by main steel joist and secondary steel joist, the secondary steel joist of conversion layer steelframe is connected with light steel suspension rod, light steel suspension rod lower end is connected the lightgage steel joist system by suspension member with attachment bolt, the lightgage steel joist system draws anchor to be connected with the metal ceiling board.
Can fixedly connected bearing diagonal between described angle steel suspension rod and another angle steel suspension rod.
Described metal ceiling board can be the aluminium sheet of bar shaped or rectangle.
Described light steel suspension rod lower end connectable light trough floor and light trough side plate, the light trough base plate connects light fixture, connects the light fixture cover plate between the two light trough side plates.
Described lightgage steel joist system is formed by connecting with fastener by light steel main joist and light steel secondary joist.
Described main steel joist top by screw auxiliary connection steel joist.
The job practices of the aluminum plate curved furred ceiling of the above-mentioned high perforated percentage of large tracts of land lower edge cup joint style is characterized in that its construction sequence is:
A, articulate U type fastener on the bottom flange of steel structure girder, the horizontal angle steel of described U type fastener is connected with the angle steel suspension rod is T-shaped.
B, pass nut and circular hole below the U type fastener, U type fastener is tightened the soffit of roof pressure at two ends, steel structure girder bottom flange with the end of jackscrew.
C, at the fixedly connected conversion layer steelframe in angle steel suspension rod lower end.
D, below the conversion layer steelframe, connect light steel suspension rod.
E, connect the lightgage steel joist ceiling system in light steel suspension rod lower end, the metal ceiling board is connected with the lightgage steel joist ceiling system, debugs the planeness of metal ceiling board installation by regulating lightgage steel joist.
The length of described angle steel suspension rod can be determined according to the steel work depth of beam.
Among the above-mentioned e, also connect light trough base plate and light trough side plate in light steel suspension rod lower end, the light trough base plate connects light fixture, connects the light fixture cover plate between the two light trough side plates.
Beneficial effect of the present invention is as follows:
The present invention is connected by suspension rod and connector by conversion layer steelframe, lightgage steel joist, stripe board, and use the conversion layer steelframe to be connected with curved surface steel work roofing with the mode of U type fastener, use the mode of U type fastener that conversion layer steelframe and steel roof joist are connected and fixed, effectively solve the variation of whole curved surface.The use of lightgage steel joist makes that installation is more quick, and the planeness of whole bar shaped plate and straightness accuracy are easier to be controlled.Lightgage steel joist and stripe board riveted joint, lightgage steel joist is connected with suspension rod with the conversion layer steelframe, forms the ceiling system of an integral body.The present invention adopts the construction technology of lightgage steel joist and conversion layer steelframe below super large space curved surface steel work roofing, whole steelframe conversion layer adopts the mode of U type fastener to be connected with the girder steel of bent type roofing steel work, U type fastener can be processed in advance in factory, be transported to the site assembly operation, have fast, the advantage of high precision of site operation speed.By simple and effective job practices, improved the decorations construction technology, reduced construction cost, improved installation rate.Super large space curved surface steel work roofing furred ceiling difficulty, installation rate is slow and construction cost is high technical problem have been solved.
Conversion layer steelframe spine arrangement of the present invention is netted, to adapt to the spatial variations of continuous curve surface, by using lightgage steel joist and can regulating suspension member, eliminate steel work girder position and forbidden the construction error that causes, satisfy the variation of lightgage steel joist simultaneously with the continuous curve surface space.
The present invention is by using lightgage steel joist and suspender member, easily and efficiently stripe board and keel are carried out the scene installation, every stripe board is installed by the lightgage steel joist system, can carry out removing and installing of individual plates easily, has guaranteed the bulk velocity and the precision of furred ceiling construction.
Construction technology of the present invention is workable, procedure connection is tight, the work efficiency height, and quality guarantees easily, is widely used in heavy construction furred ceiling engineering, is specially adapted to large space, the construction of large-scale curved steel work roofworks furred ceiling.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the syndeton schematic diagram of roof panel and conversion layer steelframe.
Fig. 2 is the schematic side view of Fig. 1.
Fig. 3 is the syndeton schematic diagram of conversion layer steelframe and ceiling board.
Fig. 4 is stripe board and lightgage steel joist system connected node schematic diagram.
Fig. 5 decorates light trough and stripe board handing-over position node schematic diagram.
Fig. 6 is a schematic diagram of decorating light trough.
Fig. 7 is a lappet node schematic diagram.
Fig. 8 is stripe board and metal column handing-over position node schematic diagram.
Reference numeral: 1-roof panel, the 2-steel structure girder, 3-angle steel suspension rod, the secondary steel joist of 4-, 5-master's steel joist, the light steel suspension rod of 6-, the 7-suspension member, the 8-fastener, the light steel main joist of 9-, the light steel secondary joist of 10-, 11-metal ceiling board, the 12-jackscrew, 13-master hangs angle steel, the horizontal angle steel of 14-, 15-decorates light trough, the 16-attachment bolt, 17-dovetail nail, the 18-light fixture, 19-light fixture cover plate, 19a-light fixture cover plate ribs, 20-light trough side plate, the 21-lappet, the 22-structural column, 23-cylinder aluminium sheet, the 24-square steel, the 25-expansion bolt, the 26-nut.
The specific embodiment
Embodiment is referring to Fig. 1, shown in Figure 2, the aluminum plate curved furred ceiling of this high perforated percentage of large tracts of land lower edge cup joint style, be included in suspension rod, lightgage steel joist system and the metal ceiling board of steel structure girder below, it is characterized in that: described steel structure girder 2 is i iron, and the bottom flange of steel structure girder hangs and connects U type fastener.
Described U type fastener comprises a pair of main extension angle steel 13 and is connected two main horizontal angle steel of hanging between the angle steel 13 14, above-mentioned horizontal angle steel 14 and 3 T-shaped connections of angle steel suspension rod.
Two main angle steel 13 amplexis of hanging of U type fastener are at the bottom flange of steel structure girder 2 upper surface, laterally have at least two circular holes on the horizontal flange of angle steel 14, welded nut 26 below each circular hole, pass above-mentioned nut and circular hole by jackscrew 12 upper ends, roof pressure is at the soffit at two ends, steel structure girder 2 bottom flange, and is closely not loosening to guarantee that fastener engages with H section steel beam lower edge.By establishing of jackscrew, can prevent node generation lateral sliding and swing.
Referring to Fig. 3, Fig. 4, the lower end of described angle steel suspension rod 3 is connected with the conversion layer steelframe.The conversion layer steelframe is connected into latticed by main steel joist 5 and secondary steel joist 4, to adapt to the spatial variations of continuous curve surface.Main steel joist adopts 60 * 40 * 3mm square steel pipe, and by vertically welding with hanging the muscle angle steel, the main joist spacing is 1200mm.The angle steel suspension rod is L50 * 4 mm angle steel, and conversion layer bottom main steel frame all is processed into the modular of 1200 * 6,000 one lattice at machining area, whole unit and the welding of angle steel suspension rod, and secondary steel joist is L40 * 4mm angle steel, secondary steel joist spacing is 750.Described main steel joist 5 top by screw auxiliary connection steel joist 4.The conversion layer steelframe is threaded with the top of suspension rod 6, and suspension rod 6 lower ends are connected the lightgage steel joist system by suspension member 7 with attachment bolt 16, and the lightgage steel joist system fixedlys connected with metal ceiling board 11.Described lightgage steel joist system is formed by connecting by light steel main joist 9 and light steel secondary joist 10 usefulness fasteners 8.Described ceiling board 11 can be the aluminium sheet of bar shaped or rectangle.Adopt riveted way between lightgage steel joist and the stripe board, reserve the 20mm slit between stripe board and the stripe board, be convenient to satisfy the deflection between the individual plates under the steel work roofing current intelligence.
Referring to Fig. 5, Fig. 6, described suspension rod 6 lower ends connect light trough base plate 15 and light trough side plate 20, and light trough base plate 15 connects and connects light fixture cover plate 19 between light fixture 18, the two light trough side plates 20, and light fixture cover plate ribs 19a is arranged on the light fixture cover plate 19.
The horizontal every interval 6000mm of furred ceiling adopts a stainless steel ornamental strip and a light trough, and it is the stainless steel ornamental strip of 1200 * 200 * 2mm that the stainless steel ornamental strip adopts specification.Ornamental strip one side is connected by the bolt on the flange with aluminium sheet, and opposite side is connected by bolt with the flange of light trough bottom.The side plate of light trough and top board are prefabricated processing, splice at the construction field (site), and side plate, top board are connected with bolt with suspension rod by flange.Light fixture in the light trough is owing to the space reason, and side direction is installed on the side plate, and the light fixture cover plate is shelved on the bayonet socket of side plate, and the light fixture cover plate can be pulled down easily so that change light fixture.
The job practices of the aluminum plate curved furred ceiling of the above-mentioned high perforated percentage of large tracts of land lower edge cup joint style is at first carried out position measurement by the main girder steel to the steel work roofing, survey data is studied, analyzed, the hoisting point position of determining unit plate, and calculate springing height, and then take corresponding arch camber measure, guarantee the whole smoothness that panel is installed, its ceiling decoration engineering survey, suspension centre location are easily.
Its construction sequence is:
A, articulate U type fastener on the bottom flange of steel structure girder 2, with the horizontal angle steel 14 and 3 T-shaped connections of angle steel suspension rod of U type fastener, the length of angle steel suspension rod 3 is determined according to the steel work depth of beam.
B, pass nut and circular hole below the U type fastener, U type fastener is tightened the soffit of roof pressure at two ends, steel structure girder 2 bottom flange with the end of jackscrew 12.
C, in the lower end of angle steel suspension rod 3 fixedly connected conversion layer steelframe, the main steel joist 5 of conversion layer steelframe is followed closely 17 with secondary steel joist 4 by dovetail and is fixedlyed connected.
D, below the conversion layer steelframe, connect light steel suspension rod 6.
E, connect the lightgage steel joist system in light steel suspension rod 6 lower ends, metal ceiling board 11 is connected with the lightgage steel joist ceiling system, debugs the planeness of metal ceiling board installation by regulating lightgage steel joist.
Also connectable light trough floor 15 and light trough side plate 20 in suspension rod 6 lower ends, light trough base plate 15 connect and connect light fixture cover plate 19 between light fixtures 18, the two light trough side plates 20.
The present invention can adopt the angle steel suspension rod to add bearing diagonal to add stiff stability:
Because part angle steel length of boom above 3m, the stability deficiency can occur and slight shaking phenomenon is arranged owing to suspension rod is long after the actual installation.In order to address this problem, determine to adopt the mode that between two suspension rods, increases oblique support to increase resistance to overturning.Bearing diagonal adopts L40 * 4mm angle steel, adopts welding fixing with the suspension rod angle steel, has increased the stability of suspension rod and whole frame body.
The installation of metal ceiling board 11:
1, light steel main joist 9 is installed;
The light steel main joist of the last people of C50 is connected with the secondary steel joist 4 of conversion layer steelframe with attachment bolt 16 by suspension rod 6, and suspension rod adopts the M8 suspension rod, and the light steel main joist of C50 spacing is 750mm.
2, attachment fastener 8 and metal ceiling board 11;
Because the metal ceiling board 11 that design is adopted is bar shaped circular hole aluminium sheet, its specification length is 6 meters, adopt common suspension centre suspending way the plate facial disfigurement will occur, in order to control the distortion of bar shaped circular hole aluminium sheet, at the every interval 750mm in bar shaped circular hole aluminium sheet back is the light steel secondary joist of C50 of 100mm with the rivet regular length, by fastener 8 the light steel secondary joist that is fixed on the bar shaped circular hole aluminium sheet is connected with light steel main joist then, stays 20mm to take off seam between plate and plate.
Processing method with the curtain wall junction:
The position that curtain wall and furred ceiling intersect adopts the method for the wide aluminium alloys lappet of 1600 * 100 * 2mm lappet to close up, and the friendship circle difficult problem when this method has been avoided the panel handing-over has digested the dimensional errors that causes because of two professional construction errors by the processing of constructing.
Referring to Fig. 7, lappet 21 is connected by the dovetail nail with secondary steel joist, and easy construction is easily gone.Can cut lappet when running into the structure swing column.Fabulous solution hand over the technical problem of circle with complex regions such as curtain wall and structure swing column.
The way of aluminium alloys lappet has been adopted at the handing-over position of furred ceiling aluminium sheet and swing column, and the position of other structural column 22 outer alclad sheets takes cutting metal ceiling board 11 to make the mode of furred ceiling aluminium sheet and 23 handing-over of cylinder aluminium sheet hand over circle, referring to Fig. 8.
With the aluminium extruded sections cutting machine metal ceiling board 11 is pressed the cylindrical shape excision forming, require metal ceiling board 11 edges can put in cylinder aluminium sheet 23 finished surfaces, the order that construction is arranged is the installation of advanced row metal ceiling board 11, then in the installation of carrying out cylinder aluminium sheet 23, and metal ceiling board 11 can be pressed on the cylinder aluminium sheet 23.
Claims (9)
1. aluminum plate curved furred ceiling of the high perforated percentage of large tracts of land lower edge cup joint style, be included in the suspention lightgage steel joist system and the metal ceiling board of steel structure girder below, it is characterized in that: described steel structure girder (2) is an i iron, and the bottom flange of steel structure girder connects U type fastener;
Described U type fastener comprises that a pair of main horizontal angle steel (14) of hanging angle steel (13), being connected between two main extension angle steel (13) are formed by fixedly connecting described horizontal angle steel (14) and T-shaped connection of angle steel suspension rod (3);
Two main bottom flange upper surfaces of hanging angle steel (13) amplexis at steel structure girder (2) of U type fastener, laterally have two circular holes on the horizontal flange of angle steel (14), welded nut below each circular hole (26), pass above-mentioned nut and circular hole by jackscrew (12) upper end, roof pressure is at steel structure girder (2) bottom flange soffit, and the lower end of described angle steel suspension rod (3) is connected with the conversion layer steelframe;
Described conversion layer steelframe connects into latticed by main steel joist (5) and secondary steel joist (4), the secondary steel joist of conversion layer steelframe is connected with light steel suspension rod (6), light steel suspension rod (6) lower end is connected the lightgage steel joist system by suspension member (7) with attachment bolt (16), and the lightgage steel joist system draws anchor to be connected with metal ceiling board (11).
2. the aluminum plate curved furred ceiling of the high perforated percentage of large tracts of land lower edge cup joint style according to claim 1 is characterized in that: fixedly connected bearing diagonal between described angle steel suspension rod (3) and another angle steel suspension rod.
3. the aluminum plate curved furred ceiling of the high perforated percentage of large tracts of land lower edge cup joint style according to claim 1 and 2, it is characterized in that: described metal ceiling board (11) is the aluminium sheet of bar shaped or rectangle.
4. the aluminum plate curved furred ceiling of the high perforated percentage of large tracts of land lower edge cup joint style according to claim 1 and 2, it is characterized in that: described light steel suspension rod (6) lower end connects light trough base plate (15) and light trough side plate (20), light trough base plate (15) connects light fixture (18), connects light fixture cover plate (19) between the two light trough side plates (20).
5. the aluminum plate curved furred ceiling of the high perforated percentage of large tracts of land lower edge cup joint style according to claim 1 and 2 is characterized in that: described lightgage steel joist system is formed by connecting with fastener (8) by light steel main joist (9) and light steel secondary joist (10).
6. the aluminum plate curved furred ceiling of the high perforated percentage of large tracts of land lower edge cup joint style according to claim 1 and 2 is characterized in that: described main steel joist (5) top by screw auxiliary connection steel joist (4).
7. the job practices of the aluminum plate curved furred ceiling of the high perforated percentage of the described large tracts of land lower edge of claim 1 cup joint style is characterized in that its construction sequence is:
A, on the bottom flange of steel structure girder (2), articulate U type fastener, the horizontal angle steel (14) of described U type fastener and T-shaped connection of angle steel suspension rod (3);
B, pass nut and circular hole below the U type fastener, U type fastener is tightened the soffit of roof pressure at steel structure girder (2) two ends, bottom flange with the end of jackscrew (12);
C, at the fixedly connected conversion layer steelframe in angle steel suspension rod lower end;
D, below the conversion layer steelframe, connect light steel suspension rod (6);
E, connect the lightgage steel joist ceiling system in light steel suspension rod (6) lower end, metal ceiling board (11) is connected with the lightgage steel joist ceiling system, debugs the planeness of metal ceiling board installation by regulating lightgage steel joist.
8. according to the job practices of the aluminum plate curved furred ceiling of the high perforated percentage of the described large tracts of land lower edge of claim 7 cup joint style, it is characterized in that: the length of described angle steel suspension rod (3) is determined according to the steel work depth of beam.
9. according to the job practices of the aluminum plate curved furred ceiling of the high perforated percentage of the described large tracts of land lower edge of claim 7 cup joint style, it is characterized in that: among the above-mentioned e, also connect light trough base plate (15) and light trough side plate (20) in light steel suspension rod (6) lower end, light trough base plate (15) connects light fixture (18), connects light fixture cover plate (19) between the two light trough side plates (20).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103011651A CN101575892B (en) | 2009-03-26 | 2009-03-26 | Large-area lower edge nested aluminum plate curved hung ceiling with high punching rate and construction method thereof |
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| CN2009103011651A CN101575892B (en) | 2009-03-26 | 2009-03-26 | Large-area lower edge nested aluminum plate curved hung ceiling with high punching rate and construction method thereof |
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| CN101575892A CN101575892A (en) | 2009-11-11 |
| CN101575892B true CN101575892B (en) | 2011-01-05 |
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2009
- 2009-03-26 CN CN2009103011651A patent/CN101575892B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2525149Y (en) * | 2002-02-06 | 2002-12-11 | 金华市天豪金属彩板成型有限公司 | Metal hanging ceiling |
| CN2649697Y (en) * | 2003-04-30 | 2004-10-20 | 浙江杭萧钢构股份有限公司 | Adjustable-floor shuttering steel support assembly |
| CN1865623A (en) * | 2005-05-19 | 2006-11-22 | 北新集团建材股份有限公司 | Structure-stable ceiling joist and adjustable fastening piece therefor |
| CN101200960A (en) * | 2007-12-20 | 2008-06-18 | 北京建工集团有限责任公司 | Anchor-ear node plate and construction method of ceiling joist |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102864926A (en) * | 2011-08-24 | 2013-01-09 | 苏州苏明装饰有限公司 | Construction method of steel structure conversion layer furred ceiling |
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| CN101575892A (en) | 2009-11-11 |
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