CN209260922U - Band girder rib laminated floor slab pre-tensioning system connecting joint structure - Google Patents
Band girder rib laminated floor slab pre-tensioning system connecting joint structure Download PDFInfo
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- CN209260922U CN209260922U CN201821654129.4U CN201821654129U CN209260922U CN 209260922 U CN209260922 U CN 209260922U CN 201821654129 U CN201821654129 U CN 201821654129U CN 209260922 U CN209260922 U CN 209260922U
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- girder rib
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Abstract
The utility model relates to a kind of band girder rib laminated floor slab pre-tensioning system connecting joint structures, including prefabricated board, Bars In Poured Concrete Slab and truss bars cage；The steel mesh principal rod and steel mesh distributing reinforcement of cross arrangement are equipped in prefabricated board；Truss bars cage is set in prefabricated board and Bars In Poured Concrete Slab, is mainly made of prefabricated triangle connection element, girder rib and threaded dowel；Prefabricated triangle connection element includes spacer bar, the abutment sleeve set on bottom and the two-way perpendicular positioning sleeve set on top, abutment sleeve is welded on steel mesh principal rod, girder rib is equipped in abutment sleeve, threaded dowel runs through two-way perpendicular positioning sleeve, and is fixed with location nut.The utility model improves construction site order and construction efficiency, related measure ensure that the construction quality of connecting joint structure, have preferable technical economic benefit by carrying out Bars In Poured Concrete Slab construction in plant produced prefabricated board, then to scene.
Description
Technical field
The utility model relates to a kind of band girder rib laminated floor slab pre-tensioning system connecting joint structures, are suitable in prefabrication and assembly construction
Formula civil buildings, workshop.
Background technique
With the rapid development of Chinese Urbanization's, urban population density is increasing, and demand of the people to house is compeled increasingly
It cuts, high stratification, enlargement and the complexity of building are continuously improved.And traditional building, it is all by site operation, not only
In the presence of because of construction quality risk caused by construction personnel's technical level, and there is a problem of that construction efficiency is lower.Build work
Industry production technology refers to and processes each branch's component (such as column, beam, floor etc.) is built in factory's centralized production, showed
Field allocation and transportation assembling construction.Using building industrialization operation, the efficiency of building is not only increased, and can utmostly improve structure
Precision, but when truss bars cage production costs occurs in the Prefabricated stacking floor largely used domestic at present, and floor and floor connect
It connects at node and there is leakage crack phenomenon.
The difficulties encountered in practical projects for existing Prefabricated stacking floor node construction technology, it is necessary to develop
A kind of high precast truss frame muscle laminated floor slab connection structure of construction efficiency, the utility model are exactly developed in this context
, preferable economic and social benefits will be generated by converting in construction applied to actual support.
Utility model content
When the utility model aim is for existing Prefabricated stacking floor truss bars cage production costs, and floor and floor
There is leakage crack phenomenon at connecting node, a kind of band girder rib laminated floor slab pre-tensioning system connecting joint structure is proposed, using pre-
Triangle connection element processed is fixed quickly to form truss bars cage；The fixed false form in prefabricated board bottom carries out the construction of top Bars In Poured Concrete Slab,
Guarantee the rapid construction of top Bars In Poured Concrete Slab；Threaded dowel passes through in the two-way perpendicular positioning sleeve of two plates, and uses location nut
Fixed tensioning connection guarantees bonding strength between two plates.
In order to achieve the above technical purposes, the utility model uses following technical scheme:
Band girder rib laminated floor slab pre-tensioning system connecting joint structure, it is characterised in that the node structure include prefabricated board 8,
Bars In Poured Concrete Slab 9 and truss bars cage 19；The steel mesh principal rod 2 and steel mesh distributing reinforcement 1 of cross arrangement are equipped in prefabricated board 8；Purlin
Frame steel reinforcement cage 19 is set in prefabricated board 8 and Bars In Poured Concrete Slab 9, mainly by prefabricated triangle connection element 18, girder rib 4 and threaded dowel
10 compositions；Prefabricated triangle connection element 18 includes spacer bar 5, set on the abutment sleeve 7 of bottom and set on the two-way vertical of top
Abutment sleeve 6, abutment sleeve 7 are welded on steel mesh principal rod 2, and girder rib 4, threaded dowel are equipped in abutment sleeve 7
10 run through two-way perpendicular positioning sleeve 6, and fixed with location nut 11.
Further, the prefabricated board 8 is formed by least two pieces, and piece 12 is equipped between prefabricated board 8.
The outside of abutment sleeve 7 is equipped with locating piece 3 on steel mesh principal rod 2, and locating piece 3 and 7 spot welding of abutment sleeve connect
It connects, prefabricated triangle connection element 18 is fixed between locating piece 3.
The spacer bar 5 uses diameter 8mm reinforcing bar, is welded to connect with two-way perpendicular positioning sleeve 6 and abutment sleeve 7,
Angle between two spacer bars 5 is 70 °, 70 °, 40 °.
The two-way perpendicular positioning sleeve 6 is welded one on the other by two orthogonal sleeves, is respectively formed and is passed through
Perforation 16 and connecting hole 17；It is equipped with girder rib 4 in through hole 16, is equipped with threaded dowel 10 in connecting hole 17.
8 bottom of prefabricated board is equipped with embedded sleeve barrel 15, fixes interim mould with bolt when pouring piece 12 and Bars In Poured Concrete Slab 9
Plate 14 forms closed casting space.
Truss bars cage 19 is whole be placed on the inside of locating piece and with locating piece and steel mesh principal rod spot welding, locating piece and steel
Muscle net principal rod is that preparatory welding forms entirety.
Threaded dowel passes through the connecting hole in the two-way perpendicular positioning sleeve of two plates, and solid with location nut pretensioning
It is fixed.
The utility model have the characteristics that and the utility model has the advantages that
(1) it adopts prefabricated triangle connection element and makes truss bars cage quick Fabrication, steel reinforcement cage is effectively ensured in installation
Additional deformation is not generated in the process, improves prefabricated board stability；
(2) threaded dowel passes through in the two-way perpendicular positioning sleeve of two plates, and fixes tensioning connection with location nut
Guarantee bonding strength between two plates；
(3) the fixed false form in prefabricated board bottom carries out the construction of top Bars In Poured Concrete Slab, guarantees the rapid construction of top Bars In Poured Concrete Slab.
Detailed description of the invention
Fig. 1 is band girder rib laminated floor slab pre-tensioning system connecting joint structure schematic diagram；
Fig. 2 is prefabricated triangle connection element structural schematic diagram；
Fig. 3 is truss bars basket structure schematic diagram；
Fig. 4 is two-way perpendicular positioning tube-in-tube structure schematic diagram；
Fig. 5 is Section A-A structural schematic diagram；
Fig. 6 is prefabricated board schematic diagram.
In figure: 1- steel mesh distributing reinforcement, 2- steel mesh principal rod, 3- locating piece, 4- girder rib, 5- spacer bar, 6- are bis-
To perpendicular positioning sleeve, 7- abutment sleeve, 8- prefabricated board, 9- Bars In Poured Concrete Slab, the threaded dowel of 10-, 11- location nut, 12- spelling
Seam, 13- bolt, 14- false form, 15- embedded sleeve barrel, 16- through hole, 17- connecting hole, the prefabricated triangle connection element of 18-, 19-
Truss bars cage, 20- hanging ring.
Specific embodiment
It is described in further detail with reference to the accompanying drawing and by embodiment to the utility model, following embodiment is to this
The explanation of utility model is not limited to following embodiment.
Fig. 1 is band girder rib laminated floor slab pre-tensioning system connecting joint structure schematic diagram, and Fig. 2 is prefabricated triangle connection element structure
Schematic diagram, Fig. 3 are truss bars basket structure schematic diagrames, and Fig. 4 is two-way perpendicular positioning tube-in-tube structure schematic diagram, and Fig. 5 is Section A-A
Structural schematic diagram, Fig. 6 are prefabricated board schematic diagrames.
Band girder rib laminated floor slab pre-tensioning system connecting joint structure shown in referring to Fig.1 ~ 5, including prefabricated board 8, Bars In Poured Concrete Slab 9
With truss bars cage 19；The steel mesh principal rod 2 and steel mesh distributing reinforcement 1 of cross arrangement are equipped in prefabricated board 8；Truss bars cage
19 are set in prefabricated board 8 and Bars In Poured Concrete Slab 9, are mainly made of prefabricated triangle connection element 18, girder rib 4 and threaded dowel 10；
Prefabricated triangle connection element 18 includes spacer bar 5, the abutment sleeve 7 set on bottom and the two-way perpendicular positioning sleeve set on top
6, abutment sleeve 7 is welded on steel mesh principal rod 2, and girder rib 4 is equipped in abutment sleeve 7.Two-way perpendicular positioning sleeve 6 is by two
A orthogonal sleeve is welded one on the other, is respectively formed through hole 16 and connecting hole 17；Purlin is equipped in through hole 16
Frame muscle 4, connecting hole 17 is interior to be equipped with threaded dowel 10, and fixed with location nut 11, and spacer bar 5 uses A8 reinforcing bar, with
Two-way perpendicular positioning sleeve 6 and abutment sleeve 7 are welded to connect, and the angle between two spacer bars 5 is 70 °, 70 °, 40 °.?
The outside of abutment sleeve 7 is equipped with locating piece 3 on steel mesh principal rod 2, and locating piece 3 is connected with 7 spot welding of abutment sleeve, prefabricated triangle
Connector 18 is fixed between locating piece 3.
8 bottom of prefabricated board is additionally provided with embedded sleeve barrel 15, fixes false form with bolt when pouring piece 12 and Bars In Poured Concrete Slab 9
14 form closed casting space.
Construction method with girder rib laminated floor slab pre-tensioning system connecting joint structure the following steps are included:
Prefabricated board production: the abutment sleeve 7 that 3 girder ribs 4 are each passed through prefabricated triangle connection element 18 is two-way vertical fixed
The through hole 16 of position sleeve 6, and fix prefabricated triangle connection element with location nut and form truss bars cage.The prefabricated board system of progress
Make, steel mesh distributing reinforcement 1 and steel mesh principal rod 2 is intersected production steel mesh, and press truss bars on steel mesh principal rod 2
Every 30cm of 19 size of cage or so welds two pieces of locating pieces 3, then truss bars cage 19 it is whole be placed on 3 inside of locating piece and with positioning
2 spot welding of part 3 and steel mesh principal rod, truss bars cage 19 is set to prefabricated board surrounding, from edges of boards 30cm.Embedded sleeve barrel 15 is embedded in advance
In prefabricated board 8, carries out integral prefabricated plate and pour, conserve.
Piece construction: prefabricated board 8 is lifted into designated position on hanging ring with lifting tool binding and is spliced.Use bolt
13 false forms 14 are installed on embedded sleeve barrel 15, are formed closing template, are perfused between two plates using high-intensity cement paste
Form piece 12.It is detachable after the completion of false form construction.
Threaded dowel 10: being passed through connecting hole 17 and fixed with location nut 11 by Bars In Poured Concrete Slab construction, is carrying out top
Bars In Poured Concrete Slab pours.
Claims (6)
1. band girder rib laminated floor slab pre-tensioning system connecting joint structure, it is characterised in that the node structure include prefabricated board (8),
Bars In Poured Concrete Slab (9) and truss bars cage (19)；Steel mesh principal rod (2) and steel mesh point in prefabricated board (8) equipped with cross arrangement
Cloth muscle (1)；Truss bars cage (19) is set in prefabricated board (8) and Bars In Poured Concrete Slab (9), mainly by prefabricated triangle connection element (18), purlin
Frame muscle (4) and threaded dowel (10) composition；Prefabricated triangle connection element (18) includes spacer bar (5), determines set on bottom
Position sleeve (7) and the two-way perpendicular positioning sleeve (6) set on top, abutment sleeve (7) are welded on steel mesh principal rod (2),
Girder rib (4) are equipped in abutment sleeve (7), threaded dowel (10) runs through two-way perpendicular positioning sleeve (6), and with positioning spiral shell
Female (11) are fixed.
2. band girder rib laminated floor slab pre-tensioning system connecting joint structure according to claim 1, which is characterized in that described pre-
Making sheet (8) is formed by least two pieces, is equipped with piece (12) between prefabricated board (8).
3. band girder rib laminated floor slab pre-tensioning system connecting joint structure according to claim 1, which is characterized in that in reinforcing bar
The outside of abutment sleeve (7) is equipped with locating piece (3) on net principal rod (2), and locating piece (3) is connected with abutment sleeve (7) spot welding, in advance
Triangle connection element (18) processed is fixed between locating piece (3).
4. band girder rib laminated floor slab pre-tensioning system connecting joint structure according to claim 1, which is characterized in that the branch
It supports reinforcing bar (5) and uses diameter 8mm reinforcing bar, be welded to connect with two-way perpendicular positioning sleeve (6) and abutment sleeve (7), two supports
Angle between reinforcing bar (5) is 70 °, 70 °, 40 °.
5. band girder rib laminated floor slab pre-tensioning system connecting joint structure according to claim 1, which is characterized in that described double
It is welded, is respectively formed through hole (16) and connected one on the other by two orthogonal sleeves to perpendicular positioning sleeve (6)
Connect hole (17)；Girder rib (4) are equipped in through hole (16), are equipped with threaded dowel (10) in connecting hole (17).
6. band girder rib laminated floor slab pre-tensioning system connecting joint structure according to claim 1, which is characterized in that described pre-
Making sheet (8) bottom is equipped with embedded sleeve barrel (15), fixes false form (14) with bolt when pouring piece (12) and Bars In Poured Concrete Slab (9)
Form closed casting space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821654129.4U CN209260922U (en) | 2018-10-12 | 2018-10-12 | Band girder rib laminated floor slab pre-tensioning system connecting joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821654129.4U CN209260922U (en) | 2018-10-12 | 2018-10-12 | Band girder rib laminated floor slab pre-tensioning system connecting joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209260922U true CN209260922U (en) | 2019-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821654129.4U Active CN209260922U (en) | 2018-10-12 | 2018-10-12 | Band girder rib laminated floor slab pre-tensioning system connecting joint structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110644663A (en) * | 2019-10-18 | 2020-01-03 | 杨烨 | Assembled coincide floor |
| CN114856063A (en) * | 2022-05-10 | 2022-08-05 | 上海核工程研究设计院有限公司 | Transverse connecting structure of steel bar truss floor, floor structure and method |
-
2018
- 2018-10-12 CN CN201821654129.4U patent/CN209260922U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110644663A (en) * | 2019-10-18 | 2020-01-03 | 杨烨 | Assembled coincide floor |
| CN114856063A (en) * | 2022-05-10 | 2022-08-05 | 上海核工程研究设计院有限公司 | Transverse connecting structure of steel bar truss floor, floor structure and method |
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