A kind of detachable reinforcing steel truss edges of boards support node structure
Technical field
The present invention relates to concrete structure architecture construction fields, specifically, being related to a kind of detachable reinforcing steel truss plate
Side support node structure.
Background technology
Horizontal structure form work engineering in China's building trade additionally arranges flitch and glue at present generally using bent-frame bracing is set up
Plywood or template way.Its technological principle provides support by the way that bent-frame bracing system is arranged for end template, meets the construction stage and holds
Carry power and deformation requirements.
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
Dismounting template is implemented in combination with few support of the template in concreting, the use of scaffold when reducing horizontal structure construction;Its
Construction method is that self-bearing type bar frame gang form integral hoisting is supported positioning by installing Angle formwork and positioning pin
It is fixed.
Above-mentioned self-bearing type bar frame gang form, when rack and template assemblies produce, occupied ground is big, production efficiency
It is low, and not aspect is carried, requirement on machining accuracy is high;Meanwhile there are the following problems in construction:Bar frame gang form weight
Amount can not manually carry greatly, need permanent occupancy tower crane;There are larger when the larger lifting of the area of bar frame gang form
Security risk, and be laid with difficulty high efficiency it is low.Gang form side, which sets a roof beam in place to connect with reinforcing steel bar frame, also needs to installation Angle formwork
Be supported positioning with positioning pin, bolt be fixedly connected with along unit length direction, and additionally need be separately provided support and
Stablize diagonal brace to stablize integral mold plate, low construction efficiency.
Invention content
Present disclosure is to provide a kind of detachable reinforcing steel truss edges of boards support node structure, can realize reinforcing bar
Truss plate side portion offsets with frame structure side template so that floor plates globality is strong, and can greatly reduce scaffold support
It uses, reduces the duration, reduce construction cost.
A kind of detachable reinforcing steel truss edges of boards support node structure according to the present invention, including steel bar girder plate and frame
Structure, the steel bar girder plate includes floor support plate, and steel bar girder that the floor support plate side is detachably connected, the other side are equipped with prominent
Go out the support element of floor support plate;
Framework template is equipped on the outside of the frame structure, the framework template includes side template, and the side template side is set
It is equipped with the side edge of floor support plate;;
The steel bar girder is overlapped with distributing reinforcement, and the distributing reinforcement bending is stretched into the frame structure.
The detachable steel bar girder plate of the present invention use small area on-site consolidation method so that the handling of steel bar girder plate and
Assembled all more convenient simple, side template splices with side portion and removes simple to operation, and molding floor face and beam face
Or metope is excessively good, floor face good integrity, anti-knock shock resistance be good, good waterproof performance, floor face relatively it is flat can directly into
Row whitewashes handling.
Further, include the first support element to offset with side portion, first support element is located on the outside of side template.This
Invention is by being arranged the first support element to side template and steel bar girder plate lateral support so that side portion position opposite with frame structure
It sets comparison to fix, and it is not necessary that support system is in addition separately provided so that greatly reduce the construction cost of other support system
And the time.
Further, the framework template further includes end template, and the end template is supported by supporting rack, on support frame as described above
First support element is set.
When frame structure of the present invention is the structure that the needs of Vierendeel girder etc support, setting supporting rack is supported on frame
On the end template of structure, and the first support element can be arranged on supporting rack, make full use of supporting rack so that the first support element
It is not necessary that support system is separately provided, node structure is fairly simple and is connected firmly, the concrete floor poured and Vierendeel girder mistake
Degree is good, and connection is reliable.
Further, it offsets with the side portion end on the outside of the side template, the side template upper surface and side portion
Upper side height is suitable,.Side portion and side template splicing gap are smaller, no spillage phenomenon.
Further, the side portion is equipped with gap with side template outside, and plugging plate, the side are covered on gap
Template upper surface is suitable with side portion upper side height, and the plugging plate is connected by screw and the floor support plate or side template
It connects.Side portion makes the laying of steel bar girder plate efficient and convenient with side template stitching portion setting gap, and steel bar girder plate is without control
Degree of precision can quickly be covered gap by plugging plate, place spillage.
Further, each steel bar girder includes wind up reinforcing bar, lower edge reinforcing bar and web member reinforcing bar;It is negative including bearing
Muscle, the seat shoulder bar one end and the bar splicing of winding up, the other end bending are stretched into frame structure.It is of the present invention
Seat shoulder bar is set between steel bar girder and frame structure, increases the bonding strength of end node, meanwhile, seat shoulder bar connection letter
It is single, it is easy to operate.
Further, the seat shoulder bar and distance of the one end apart from frame structure for bar splicing of winding up be not less than
300mm.Seat shoulder bar of the present invention overlapped length, disclosure satisfy that design requirement, have stronger operability.
Further, steel bar girder plate width 200mm~1000mm described in every unit, every unit steel bar girder plate include
There are 1 to 5 placing of reinforcement truss, the floor face there are several assembled structural supports of unit steel bar girder plate.Reinforcing bar purlin of the present invention
Frame plate width is arranged so that in assembling construction, two staff can erect steel bar girder plate and carry out assembly, be capable of providing
Assembled speed.
Compared with prior art, the present invention having the advantages that:
1. description of the drawings
The dimensional structure diagram of Fig. 1 detachable reinforcing steel truss plates;
Fig. 2 is present invention looks up structural representation when steel bar girder plate splices;
Fig. 3 embodiment steel bar girder plates and frame beam structure side portion node schematic diagram;
Fig. 4 embodiments floor support plate splices enlarged structure schematic diagram with side template end;
Splice enlarged structure schematic diagram with side template in the embodiment floor support plate ends Fig. 5;
The embodiment floor support plate ends Fig. 6 are equipped with gap enlarged structure schematic diagram with side template;
Fig. 7 embodiments the first supporting piece structure schematic diagram.
In figure:1- steel bar girders, 11- lower edges reinforcing bar, 12- wind up under reinforcing bar, 13- web members reinforcing bar, the upper anchor ribs of 14-, 15-
Anchor rib, 16- seat shoulder bars, 20- steel bar girders plate, 21- side portions, 22- plugging plates, 3- support elements, 4- connectors, 5- frames
Structure, 6- supporting racks, 7- framework templates, 71- end templates, 72- side templates, the first support elements of 8-, 9- distributing reinforcements, 10- supporting ribs.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, from beginning to end phase
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached drawing
The embodiment of description is exemplary, and is only used for explaining the present invention, and is not construed as limiting the claims.
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 as shown in Figure 1 comprising steel bar girder 1, connector 4, floor support plate 2 and support
Part 3.The steel bar girder 1 winds up reinforcing bar 11 and two lower edge reinforcing bars 12 including one, and two lower edge reinforcing bars 12 are divided by web member reinforcing bar 13
It is not welded to connect with the reinforcing bar 11 that winds up.The two lower edges reinforcing bar 12 is opposite to be connected with connector 4.The connector 4 includes side
The card slot 41 of the Feed-through 4 of opening, 4 lower end of connector are equipped with threaded hole.Connector 4 it is pairs of be connected to two lower edge reinforcing bars
On 12, the longitudinal arrangement on steel bar girder 1 of each pair of connector 4.The length of the plate of detachable reinforcing steel truss shown in Fig. 1 20 can basis
It is required that design, generally 1~3m, width are two Pin steel bar girders 2, steel bar girder 2 may be one in some embodiments
Pin, three Pin or more Pin are only the connection relation of brief description steel bar girder and floor support plate.
As shown in Fig. 2, the floor support plate 2 is connected with support element 3,3 lateral separation of the support element far from 1 side of steel bar girder
It is distributed on 2 length direction of the floor support plate, the support element 3 alternately stretches out 2 left and right sides of floor support plate.One support element, 3 right end
2 the right of floor support plate, 2 left side of left indent floor support plate are stretched out, adjacent supporting piece 3 is then on the contrary, 2 the right of right indent floor support plate, a left side
2 left side of floor support plate is stretched out at end.The floor support plate 2 is equipped with connecting hole, and the support element 3 is equipped with mounting hole, and bolt front end leads to successively
Cross the mounting hole, the connecting hole is connect with the threaded hole of connector 4 so that support element 3 and floor support plate 2 and steel bar girder 1
Connection.Preferably, each steel bar girder plate width is set as 200mm~1000mm, is equipped with 1 to 5 placing of reinforcement truss.Institute
Stating floor face has several unit steel bar girder plates 20 assembled, when according to splicing, the steel bar girder plate 20 that finally splices on side
Width according to the assembled width design of real surplus, can be the steel bar girder being made of a Pin or more Pin steel bar girders 2
Plate 20.
It is mutually parallel with longitudinally disposed frame structure 5 as shown in figure 3, the steel bar girder 1 is longitudinally disposed, in some realities
It applies in example, the steel bar girder 1 and frame structure 5 are at an angle.In some embodiments, the frame structure 5 is frame
It sets a roof beam in place, certainly, in further embodiments, the frame structure 5 can also be shear wall frame.When frame structure 5 is frame
Beam or shear wall, Vierendeel girder and/or shear wall wherein between set up steel bar girder plate 20.Steel bar girder plate 20 is close to frame
The side portion 21 of structure 5 connect with cast-in-place concrete frame structure 5 outside of the frame structure 5 by scaffold or other
The formwork-support 6 that support element is built.The framework template 7 of upper end opening, the framework template 7 are erected on support frame as described above 6
Including side template 72, when some frame structures 5 are Vierendeel girder, the framework template 7 further includes bottom template 71.The side form
Plate 72 and 2 side portion 21 of floor support plate close to frame structure 5 offset splicing.In some embodiments, as shown in figure 4, the building
2 side of laminate and 72 upper end of the side template are inconsistent.Shown in Fig. 5, the side portion 21 of the floor support plate 2 is contradicted in the side form
On the outside of plate 72, the gap between two plates is smaller, and the upper end of side template 72 is suitable with 2 upper level of floor support plate.Certainly, at some
In embodiment, as shown in fig. 6, the side portion 21 is located at the outside of side template 72 and side template 72 there are gap, on the gap
It is covered with plugging plate 22, plugging plate 22 is fixed by screws in the side portion 21.The side portion of the floor support plate 2 can be located at
The upper end of the side template 72 and its inside parallel, certainly, the side portion of the floor support plate 2 can also be located at outside side template 72
Side, the upper surface of the floor support plate 2 are parallel with 72 upper end of the side template.Support frame as described above 6 is equipped with spacer bar truss plate
First support element 8 of 20 side portions.First support element 8 is passed through by the assembled rectangle support of the lumps of wood, the floor support plate 2
Screw is connect with first support element 8 so that floor support plate 2 and support element 8 are connected firmly, and the floor support plate 2 for being and side
Position relationship between template 72 is more difficult to change, and then casting concrete is the phenomenon that reducing spillage.
On the steel bar girder 1, winds up and intert binding between reinforcing bar 11 and lower edge reinforcing bar 12 or be welded with multiple rows of described
Cross direction profiles muscle 9.The distributing reinforcement 9 runs through the floor face that entire steel bar girder plate 20 is combined into, when 9 length of the distributing reinforcement is inadequate
It can weld to be formed by two bar splicings.The bending of 9 end of the distributing reinforcement is stretched into the frame of frame structure 5, and coagulation is poured
After soil with 5 anchor connection of frame structure so that the floorboard after pouring is connected firmly with frame structure, improves the load-bearing in floor face
Ability reduces the use of construction material.2 side portion of the steel bar girder is overlapped with seat shoulder bar 16, i.e., in 2 length of steel bar girder
Direction is winded up described in being vertically overlapped on reinforcing bar 11, and 16 lap of splice of general seat shoulder bar is more than two Pin steel bar girder spans.Institute
State seat shoulder bar 16 and distance of the one end apart from frame structure (5) of winding up reinforcing bar (12) overlapped be La/4, La be plate calculate across
Degree.
When detachable reinforcing steel truss plate 20 is layed in the coagulation Vierendeel girder or shear wall of casting complete, node structure
The joint structure made with detachable reinforcing steel truss plate in steel construction is identical;When detachable reinforcing steel truss concrete floor
When being poured into a mould simultaneously with Vierendeel girder or shear wall, design should be carried out by following principle:
The span L of detachable reinforcing steel truss plate should determine as the following formula:L=L12-b1/2-b2/ 2+20mm, wherein b1/2、
b2The width of/2 concrete frame structures connected for steel bar girder plate both ends, L12For the distance among two frame structures.
When in plate Bar Anchorage in beam or within the walls when, the seat shoulder bar 16 that winds up should meet anchorage length LaRequirement, lower edge
Seat shoulder bar 16 preferably extends to the center line of beam or wall and no less than 5d.LaIt should be calculated as follows, and under any circumstance, it is longitudinal
The anchorage length of tension reinforcement is no less than 250mm:
La=α (fy/ft)d
L in formulaa-- the anchorage length of longitudinal tensile reinforcing bar;
fy-- the tensile strength design value of reinforcing bar;
The nominal diameter of d-- reinforcing bars;
The form factor of α -- reinforcing bar, plain steel-bar take 0.16, and Ribbed Bar takes 0.14.
Along 1 direction of steel bar girder, upper lower edge seat shoulder bar 16 should be arranged in two pieces of template (floor support plate and beam side plate) junctions
Or upper lower edge connects reinforcing bar.Upper lower edge connection reinforcing bar and the overlap joint of upper lower edge seat shoulder bar 16 and steel bar girder, which should all meet, to be taken
Spreading degree LlRequirement.LlIt should be calculated as follows, and no less than 300mm:L1=1.6La。
When steel bar girder span of slab is larger, to reduce floor bar dosage, it is proposed that the construction stage sets temporary support.According to
It is a large amount of to calculate, after being calculated by using the stage, for the construction stage, one of temporary support only need to be set in the middle part of span, just
Construction stage force request can be met.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of the embodiment of the method for the present invention, is actually not limited thereto.So if the ordinary skill of this field
Personnel are enlightened by it, without departing from the spirit of the invention, without creatively designing and the technical solution phase
As mode and embodiment, be within the scope of protection of the invention.