CN208472972U - A kind of steel bar girder plate end connecting joint structure - Google Patents

A kind of steel bar girder plate end connecting joint structure Download PDF

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Publication number
CN208472972U
CN208472972U CN201820852719.1U CN201820852719U CN208472972U CN 208472972 U CN208472972 U CN 208472972U CN 201820852719 U CN201820852719 U CN 201820852719U CN 208472972 U CN208472972 U CN 208472972U
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girder
steel
steel bar
plate
bar girder
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陈永德
叶健
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Zhejiang Zhongyi Building Materials Technology Co Ltd
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Zhejiang Zhongyi Building Materials Technology Co Ltd
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Abstract

The utility model relates to steel building construction applications, specifically, it is related to a kind of steel bar girder plate end connecting joint structure and construction method, it includes steel bar girder plate and steel structure girder, the floor support plate side with steel bar girder is detachably connected, the other side is arranged at intervals with supporting element, the supporting element stretches out the floor support plate;The steel structure girder side is equipped with steel bar girder plate;The steel bar girder end is welded with supporting rib, and the supporting rib is welded on the steel structure girder, and it is suitable that the floor support plate upper surface with the steel bar girder is overlapped on the faying surface height of steel structure girder.The method that the detachable steel bar girder plate of the utility model uses small area on-site consolidation, so that the handling and assembly of steel bar girder plate are all more convenient simple, single steel bar girder plate assembly completion can be welded and fixed, between adjacent steel bar girder plate by supporting element mutually support reduce steel bar girder plate misplace gap appearance, and floor face relatively put down can directly carry out powdering handling.

Description

A kind of steel bar girder plate end connecting joint structure
Technical field
The utility model relates to concrete structure architecture construction fields, specifically, being related to a kind of steel bar girder plate end Connecting joint structure.
Background technique
Horizontal structure form work engineering in China's building trade generallys use at present sets up bent-frame bracing, additionally arranges flitch and glue Plywood or template.Its technological principle provides support by setting bent-frame bracing system for floor support plate, meets construction stage bearing capacity And deformation requirements.Since that process is tedious is complicated for bent-frame bracing system, basement process need to be carried out, scaffold is set up, installation template, ties up Wire-tie, concrete casting, maintenance, demoulding will occupy a large amount of time, occupy the duration, and the management of leasing of scaffold takes With height, there is also the danger of high-altitude construction.
In recent years, the application with steel construction in building field is goed deep into, and applies the floor support plate between steel structure girder It is laid with and production efficiency is still seriously affected using traditional approach.Chinese Patent Application No.: 2010106235093, patent name: steel Frame truss floor support plate construction method, disclose by by the galvanized sheet of zinc-plated bed die floor support plate and steel bar truss welding in steel construction The mode of beam solves the problems, such as bent-frame bracing system, reduces template, scaffolding work, reduces steel bar girder binding amount. But zinc-plated bed die steel bar girder is at high cost, it is secondary to whitewash relatively difficult, and the intermediate node knot of zinc-plated template and steel structure girder Structure processing is more difficult.
Chinese Patent Application No.: 2013102995081, patent name: self-bearing type bar frame gang form and its construction Method discloses the bar frame of a kind of multiple rows of longitudinal reinforcement truss and multiple rows of transversely distributed steelbar composition, bar frame and can Disassembly template is implemented in combination with few Construction of Supporting scheme of the template in concreting, scaffold when reducing horizontal structure construction It uses.Allow template that utilization is repeated, reduce cost, facilitate secondary powdering, but is applicable only on frame beam structure, Rarely has the application on steel structure girder, and bar frame gang form handling is relatively difficult, and the bar frame of large area Gang form installs node complexity, and bonding strength is low, and load-bearing capacity is weaker.
Summary of the invention
The content of the utility model is to provide a kind of steel bar girder plate end connecting joint structure, can be realized reinforcing bar purlin Frame and reinforcing steel bar frame are set a roof beam in place the construction efficiency of higher bonding strength and more efficient, while reducing the use of supporting element significantly.
A kind of steel bar girder plate end according to the present utility model connecting joint structure, including steel bar girder plate and steel construction Beam, the floor support plate side with steel bar girder is detachably connected, the other side is arranged at intervals with supporting element, the supporting element stretches out institute State floor support plate;
The steel structure girder side is equipped with steel bar girder plate;
The steel bar girder end is welded with supporting rib, and the supporting rib is welded on the steel structure girder, and the building is held It is suitable that plate upper surface with the steel bar girder is overlapped on the faying surface height of steel structure girder.
The method that the detachable steel bar girder plate of the utility model uses small area on-site consolidation, so that steel bar girder plate is hung Fortune and assembly are all more convenient simple, and single steel bar girder plate assembly completion can be welded and fixed, therefore node structure ratio Relatively simply, it is connected firmly, is not necessarily to or reduces the support of the supporting frameworks such as scaffold, therefore can construct with layer stereo, mention significantly High construction efficiency reduces the duration;It is mutually supported between adjacent steel bar girder plate by supporting element and reduces spillage or steel bar girder The appearance in plate dislocation gap, the floor support plate upper surface and faying surface height quite make steel structure girder and floor plates globality It is good, anti-knock shock resistance is good, good waterproof performance, floor face is relatively more flat can directly to carry out powdering handling.
Further, each steel bar girder board width 200mm~1000mm, each steel bar girder plate include 1 to 5 row Steel bar girder, the steel bar girder plate successively splice, and the supporting element staggeredly supports adjacent floor support plate.The utility model, it is each Steel bar girder board width is moderate, and 3m can lift splicing with two people of steel bar girder plate of interior span when construction, and steel bar girder can be with Side is connect with welding for steel structure, and side is laid with adjacent steel bar girder plate, and supporting element staggeredly mutually supports adjacent floor support plate, splices the fissure of displacement Small, the splicing of steel bar girder plate is efficient.
It further, further include additional muscle, the additional muscle one end is overlapped with the steel bar girder, the other end is located at Above steel structure girder.The utility model additional muscle one end connection steel bar girder other end is located above steel structure girder, pours coagulation After soil, floor plates and steel structure girder coupling part tension shear resistance are stronger, reduce bar material dosage.
Further, distributing reinforcement is banded on the steel bar girder, the additional muscle is taken with distributing reinforcement or steel bar girder It connects.The utility model, additional muscle is evenly arranged on floor face, so that floor plates connect uniform force with steel structure girder.
Further, each steel bar girder includes wind up reinforcing bar, lower edge reinforcing bar and web member reinforcing bar, the distributing reinforcement With reinforcing bar and the lower edge bar splicing of winding up, the additional muscle includes upper additional muscle and lower attachment muscle, the prominent reinforcing bar of the additional muscle Truss portion is banded with the end distributing reinforcement vertical with additional muscle.The utility model additional muscle and end distributing reinforcement intersecting vertical bind shape At space net structure, the structural strength of floor plates and steel structure girder coupling part is further increased
Further, the distance that the upper additional muscle is located at one end to the steel structure girder axis of floor support plate side is greater than 300mm, The distance that the lower attachment muscle is located at one end to the steel structure girder axis of floor support plate side is greater than 200mm.On described in the utility model The lower additional muscle lap of splice further ensures that the floor plates of moulding by casting and steel structure girder have preferable bonding strength.
Further, including the cheek board for being set to the steel structure girder other side opposite with steel bar girder plate, the cheek board packet Level board and vertical plate are included, the level board is welded on steel structure girder, and the vertical plate is connect with additional muscle end.This is practical The novel cheek board is connect with additional muscle end, so that additional muscle has supporting role to cheek board, increases the steady of cheek board It is qualitative, just there is good obstruction to the concrete poured.
Further, the gap of the floor support plate and the steel structure girder stitching portion is equipped with sealing plate, and the sealing plate prevents The concrete leakage poured.Described in the utility model sealing plate can be quickly laid with, effectively prevent floor plates and steel structure girder it Between gap generate spillage phenomenon.
Further, the supporting rib winds up with the one of branch triangular in shape reinforcing bar and the end reinforced company of two lower edges respectively It connects, the supporting rib and the steel structure girder are welded to connect, and are welded with peg on the upside of the steel structure girder.The utility model is in steel The bonding strength of supporting rib and weld stud increase and decrease floor plates and steel structure girder is arranged in muscle truss end.
Further, the prominent steel structure girder of the horizontal plate portions forms overhanging.The realization that invention passes through cheek board Floor plates overhanging, easy to operate, effect is good.
Detailed description of the invention
The schematic perspective view of Fig. 1 detachable reinforcing steel truss plate;
Fig. 2 is present invention looks up structural representation when steel bar girder plate splices;
Fig. 3 is steel structure girder and steel bar girder plate endpoint node structural schematic diagram.
In figure: 1- steel bar girder, 11- lower edge reinforcing bar, 12- wind up reinforcing bar, 13- web member reinforcing bar, 15- additional muscle, on 151- Additional muscle under additional muscle, 152-, 17- supporting rib, the end 18- distributing reinforcement, 2- floor support plate, 20- steel bar girder plate, 3- supporting element, 4- connector, 5- steel structure girder, 7- cheek board, 71- vertical plate, 72- level board, 8- sealing plate, 9- distributing reinforcement.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, from beginning extremely Same or similar label indicates same or similar element or element with the same or similar functions eventually.Below with reference to It is illustrative when the embodiment of attached drawing description, it is only used for explaining the utility model, and the limit to the utility model cannot be construed to System.
With reference to the accompanying drawings of the specification and specific embodiment, invention is described in detail.
Embodiment 1
A kind of detachable steel bar girder plate 20 as shown in Figure 1 and Figure 2 comprising steel bar girder 1, connector 4, floor support plate 2 With supporting element 3.The steel bar girder 1 includes one winding up reinforcing bar 11 and two lower edge reinforcing bars 12, and two lower edge reinforcing bars 12 pass through web member steel Muscle 13 is welded to connect with the reinforcing bar 11 that winds up respectively.The two lower edges reinforcing bar 12 is opposite to be connected with connector 4.The connector 4 wraps The card slot 41 of the Feed-through 4 of side opening is included, 4 lower end of connector is equipped with threaded hole.Connector 4 is pairs of to be connected under two On string reinforcing bar 12, each pair of connector 4 longitudinal arrangement on steel bar girder 1.
The span of the plate of detachable reinforcing steel truss shown in Fig. 1 20 can be according to requiring to design, generally 1~3m, and width is Two Pin steel bar girders 2, steel bar girder 2 or a Pin, three Pin or more Pin, Fig. 1 are brief description in some embodiments The connection relationship of steel bar girder 1 and floor support plate 2.
As shown in Fig. 2, the splicing relationship between steel bar girder plate 20.The floor support plate 2 is connected far from 1 side of steel bar girder There is supporting element 3, the supporting element 3 is spaced laterally apart on 2 length direction of floor support plate, and the supporting element 3 alternately stretches out 2 left and right sides of floor support plate.One supporting element, 3 right end stretches out 2 the right of floor support plate, 2 left side of left indent floor support plate, adjacent supporting piece 3 Then on the contrary, 2 left side of floor support plate is stretched out on 2 the right of right indent floor support plate, left end.The floor support plate 2 is equipped with connecting hole, the support Part 3 is equipped with fixation hole, and bolt front end passes sequentially through the fixation hole, the connecting hole is connect with the threaded hole of connector 4, so that Supporting element 3 and floor support plate 2 are connect with steel bar girder 1.Preferably, each steel bar girder board width be set as 400mm~ 800mm is equipped with 1 to 5 placing of reinforcement truss.The floor face has several unit steel bar girder plates 20 assembled, according to splicing When, the width of the steel bar girder plate 20 finally spliced on side according to the assembled width design of real surplus, can for by a Pin or The steel bar girder plate 20 that the more Pin steel bar girders 2 of person form.
According to construction requirement, according to the processing of design length, accurate blanking and branch is welded in factory's steel bar girder plate 20 Support muscle 17;The floor support plate 2 and 1 assembly connection of steel bar girder of width will be designed, floor support plate 2 and the assembly of steel bar girder 1 can be Batch production assembly, can also avoid the haulagman of reusable floor support plate in the construction site assembly connection of specific regions Make.The steel bar girder plate assembled avoids construction site cutting quantity, and when construction can accomplish accurate contraposition.
As shown in figure 3,1 end of steel bar girder is welded with supporting rib 17, the supporting rib 17 is in inverse-T-shaped, its end part 12 end of reinforcing bar of not winding up with two lower edge reinforcing bars 11 of distribution triangular in shape and one is welded to connect, and the supporting rib 17 is welded on institute State the upper surface of steel structure girder 5.
5 side of steel structure girder is equipped with steel bar girder plate 20, the other side is equipped with cheek board 7, and the steel bar girder 1 is prominent The part of floor support plate 2 is welded on the supporting rib 17 of the upper surface of described steel structure girder 5 out and the steel structure girder 5 overlaps, the building Overlapped that the 5 faying surface height of steel structure girder is suitable for 1 institute of 2 upper surface of board and steel bar girder.It is bound on the steel bar girder 1 It is distributed muscle 9, the distributing reinforcement 9 is vertical with steel bar girder 1.The distributing reinforcement 9 respectively with reinforcing bar 11 and the lower edge reinforcing bar 12 of winding up Binding or welding, form bilevel spatial distribution.
1 end of steel bar girder is equipped with additional muscle 15, and the additional muscle 15 is overlapped with distributing reinforcement 9 or steel bar girder 1, Prominent 1 end of steel bar girder of the additional muscle 15 is located at 5 upside of steel structure girder.Further, the additional muscle 15 includes upper attached Reinforcement 151 and lower additional muscle 152, the upper additional muscle 151 and lower additional muscle 152 are located at the two of upper layer and lower layer distributing reinforcement 9 Side and distributing reinforcement 9 bind or are welded to connect, and the upper additional muscle 151 is located at one end of floor support plate side to 5 axis of steel structure girder Distance be greater than 300mm, the distance that the lower additional muscle 152 is located at one end to 5 axis of steel structure girder of floor support plate side is greater than 200mm.Distributing reinforcement 9 and additional muscle 15 perpendicular to 1 length direction of steel bar girder are arranged in steel bar girder 1 and wind up under reinforcing bar 11 Side, need to guarantee thickness of concrete cover.
Further, in some embodiments, the additional muscle 15 is located at the part binding end distribution of 5 upside of steel structure girder Muscle 18, the end distributing reinforcement 18 intersect to form reticular structure with 15 end vertical of additional muscle so that steel structure girder 5 pour after building Laminate is connected firmly, shock resistance is strong.
The cheek board 7 includes level board 72 and vertical plate 71, and the level board 72 is welded on the steel structure girder 5 The end of side, the vertical plate 71 and additional muscle 15 is welded to connect.When design needs, described level board a part is welded on steel In structural beams 5, the prominent steel structure girder 5 of a part forms overhanging.
The floor support plate 2 and the steel structure girder 5 inevitably will appear gap when splicing, when the floor support plate 2 and the steel When the gap between structural beams 5 is larger or the case where being likely to occur leakage concrete grout, sealing plate 8 is set on gap, it is described Sealing plate 8 is fastened on floor support plate 2 by self-tapping screw, or can also be spoted weld the steel structure girder 5 and prevented the coagulation poured Soil leakage.In the construction of some removable steel bar girder plates, removable steel bar girder plate 20 carries out parallel surface with steel structure girder 5 It is laid with, and reserves the gap 10~15mm between floor support plate 2 and steel structure girder 5, and closed up with sealing plate 8, with mortar leakage prevention.
In order to which concrete and the steel structure girder 5 are connected firmly, in the 5 upside weld stud of steel structure girder.
A kind of steel construction endpoint node construction method of the utility model, includes the following steps:
S1 builds steel structure girder;
S2, handling detachable reinforcing steel truss plate, detachable reinforcing steel truss plate includes detachable floor support plate, and respectively Steel bar girder and supporting element positioned at floor support plate two sides, the prominent template of the steel bar girder simultaneously weld supporting rib in end;
S3 is laid with detachable reinforcing steel truss plate, is successively laid with from initial position to adjacent direction, the steel bar girder two Overlapped that supporting rib is welded on the steel structure girder at end, and the supporting element stretches to adjacent detachable template respectively and mutually props up Support;
S4, weld stud;
S5 is laid with additional muscle, distributing reinforcement and pipeline.
S6 welds cheek board, casting concrete;
S7, after concrete setting meets intensity requirement, form removal, bottom plate mould and supporting element recycling.
Further, the attachment muscle includes upper additional muscle and lower attachment muscle, and the upper additional muscle is located at floor support plate side The distance of one end to steel structure girder axis is greater than 300mm, and the lower additional muscle is located at one end of floor support plate side to steel structure girder axis The distance of line is greater than 200mm.
Further, the S4 includes being laid with sealing plate, and the sealing plate blocks the gap between steel structure girder and floor support plate.
In a kind of process flow of steel construction endpoint node construction method:
Step S2, in handling detachable reinforcing steel truss plate, the peace of preparation, supporting element before needing to carry out lifting Reference line is marked on dress, steel structure girder, prepares the necessary preparation such as to lift by crane components, take safety measures.
Step S3 is laid with detachable reinforcing steel truss plate, needs to be installed according to layout drawing, impaired detachable reinforcing steel occurs It needs to correct when truss plate.When being laid with first block of laying detachable reinforcing steel truss plate, alignment fiducials line to install, remaining steel Muscle truss plate is successively installed, while noticing that plate-laying direction is consistent, keeps close assembled between floor support plate and floor support plate.According to need It to finish up using non-standard steel bar girder plate, supporting rib and steel structure girder spot welding connection, weld seam will meet design strength, check Whether there is spillage position and accordingly takes measures.
20 plane of steel bar girder plate and elevation construction sequence: the laying of every floor board is preferably from initial position to a direction It is laid with, corner parts are finally handled;The steel bar truss floor support plate of corresponding each layer is laid with main structure installation sequence.When across Degree should add one of temporary support in span centre when being greater than construction stage maximum without support span.
Drawing must be read over before welding edge template construction, made an accurate selection of cheek board model, determined the cheek board lap of splice.Peace When dress, cheek board is close to steel structure girder face, cheek board bottom and steel structure girder surface every 300mm spacing spot welding 25mm long, 2mm high weld seam.It answers bracing wire to be straightened after cheek board installation, reinforcing bar one end and peg point one end and cheek board is utilized after adjusting suitably Side mode is fixed in spot welding.
The laying construction of step S6 additional bar engineering and pipeline sequence: the laying of pipeline → setting connects reinforcing bar → setting Additional bar → setting hole side additional muscle → setting distribution bar.
Due to the influence of steel bar girder, laying the line in floor plates preferably uses the preferable material of flexibility.Due to reinforcing bar Truss limited separation should avoid more root canal line boundlings pre-buried as far as possible, pipeline a little bit smaller using diameter as far as possible, and dispersion perforation is pre- It buries.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing Shown in also be the utility model method one of embodiment, be actually not limited thereto.So if this field Those of ordinary skill is enlightened by it, without deviating from the purpose of the present invention, without creatively design with The similar mode of the technical solution and embodiment, all should belong to the protection range of the utility model.

Claims (8)

1. a kind of steel bar girder plate end connecting joint structure, including steel bar girder plate (20) and steel structure girder (5), feature exists In, the steel bar girder plate (20) includes floor support plate (2), floor support plate (2) side and steel bar girder (1) is detachably connected, The other side is arranged at intervals with supporting element (3), and the supporting element (3) stretches out the floor support plate (2);
Steel structure girder (5) side is equipped with steel bar girder plate (20);
Steel bar girder (1) end is welded with supporting rib (17), and the supporting rib (17) is welded on the steel structure girder (5) On, floor support plate (2) upper surface is suitable with the faying surface height that the steel bar girder (1) is overlapped on steel structure girder (5).
2. steel bar girder plate end connecting joint structure according to claim 1, which is characterized in that each steel bar girder Plate (20) width 200mm ~ 1000mm, each steel bar girder plate (20) include 1 to 5 placing of reinforcement truss (1), the steel bar girder plate (20) successively splice, the supporting element (3) staggeredly supports adjacent floor support plate (2).
3. steel bar girder plate end connecting joint structure according to claim 1, which is characterized in that further include additional muscle (15), additional muscle (15) one end and the steel bar girder (1) overlap joint, the other end are located above steel structure girder (5).
4. steel bar girder plate end connecting joint structure according to claim 3, which is characterized in that the steel bar girder (1) On be banded with distributing reinforcement (9), the additional muscle (15) and distributing reinforcement (9) or steel bar girder (1) overlap.
5. steel bar girder plate end connecting joint structure according to claim 4, which is characterized in that the steel bar girder (1) Including the reinforcing bar that winds up (11), lower edge reinforcing bar (12) and web member reinforcing bar (13), the distributing reinforcement (9) and wind up reinforcing bar (11) and under String reinforcing bar (12) overlap joint, the additional muscle (15) includes upper additional muscle (151) and lower attachment muscle (152), the additional muscle (15) Prominent steel bar girder (1) is partially banded with the end distributing reinforcement (18) vertical with additional muscle (15).
6. steel bar girder plate end connecting joint structure according to claim 3, which is characterized in that including with steel bar girder plate The opposite cheek board (7) for being set to the steel structure girder other side, the cheek board (7) includes level board (72) and vertical plate (71), institute It states level board (72) to be welded on steel structure girder (5), the vertical plate (71) connect with additional muscle (15) end.
7. steel bar girder plate end connecting joint structure according to claim 1, which is characterized in that the floor support plate (2) and The gap of steel structure girder (5) stitching portion is equipped with sealing plate (8), and the sealing plate (8) prevents the concrete poured from revealing.
8. any one of -7 steel bar girder plate end connecting joint structure according to claim 1, which is characterized in that the level The prominent steel structure girder (5) in plate (72) part forms overhanging.
CN201820852719.1U 2018-06-04 2018-06-04 A kind of steel bar girder plate end connecting joint structure Active CN208472972U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019149009A1 (en) * 2017-11-29 2019-08-08 浙江中益建材科技有限公司 Assembled-type reinforcing bar truss floor deck

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019149009A1 (en) * 2017-11-29 2019-08-08 浙江中益建材科技有限公司 Assembled-type reinforcing bar truss floor deck

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