CN207032605U - A kind of wide cut hollow superimposed sheet - Google Patents
A kind of wide cut hollow superimposed sheet Download PDFInfo
- Publication number
- CN207032605U CN207032605U CN201720960917.5U CN201720960917U CN207032605U CN 207032605 U CN207032605 U CN 207032605U CN 201720960917 U CN201720960917 U CN 201720960917U CN 207032605 U CN207032605 U CN 207032605U
- Authority
- CN
- China
- Prior art keywords
- superimposed sheet
- prefabricated component
- reinforcing bar
- concrete
- filling member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 239000004567 concrete Substances 0.000 claims abstract description 32
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 31
- 239000007787 solid Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000000725 suspension Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 6
- 238000004873 anchoring Methods 0.000 claims description 5
- 239000004570 mortar (masonry) Substances 0.000 claims description 4
- 239000011150 reinforced concrete Substances 0.000 claims description 4
- 230000003111 delayed effect Effects 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 3
- 210000002435 tendon Anatomy 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 7
- 230000002787 reinforcement Effects 0.000 abstract description 6
- 238000005266 casting Methods 0.000 abstract 1
- 230000002457 bidirectional effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Abstract
A kind of wide cut hollow superimposed sheet is the utility model is related to, belongs to buildings in general construction field.The superimposed sheet includes prefabricated component (1) and overlapping layers (2), bottom plate (3) thickness >=40mm of prefabricated component and≤65mm, the Double Faces to Install baseplate reinforcing bar (4) in bottom plate, baseplate reinforcing bar stretches out concrete length >=50mm, more than 3 rows or 3 rows are arranged on the top of every prefabricated component, the filling member (5) of 5 row or the light material of the 5 row above, height >=50mm of solid rib (6) between adjacent filling member, baseplate reinforcing bar between adjacent preforms is mutually lapped in piece area (7), the upper reinforcement (9) of colligation superimposed sheet, casting concrete, form superimposed sheet.Superimposed sheet of the present utility model is from heavy and light, both direction rigidity is big in length and breadth, is applicable span greatly, is readily transported and installs.The utility model has good economy and applicability, and the development to Building technology plays a driving role.
Description
(1) technical field
It the utility model is related to a kind of assembled steel reinforced concrete hollow building roof structure, especially a kind of hollow overlapping of wide cut
Plate, belong to buildings in general construction field.
(2) background technology
Assembled architecture has the characteristics of factorial praluction degree is high, speed of application is fast, integrated cost is low, this kind of structure shape
Formula is just obtaining country and widelyd popularize at present.
For span in below 5m precast assemble floor, the solution of common superimposed sheet can；But more than span 5m,
Especially span exceedes 7m superstructure, according to common solid superstructure then structure from great, poor seismic behavior, and comprehensive warp
Index of helping is relatively low.For building cover structure, no matter cast-in-place or iterative structure, village hollowing is exactly solve the problems, such as large span one
Kind technological means.
Before 2004, traditional superposed floor maximum span is no more than 6m, and later, Xu Youlin, Wang Xiaofeng etc. propose " pre-
Stress bidirectional superposition slab " (CN2642887Y), its main technical schemes have：1st, superstructure bottom is prefabricated, and top is cast-in-place, in superstructure
A direction spliced side by side using polylith prestressing force prefabricated panel；2nd, prefabricated panel is horizontally-spliced uses monoblock type piece, side
Side thickness suitably reduces, and the reinforcing bar that plate side is stretched out anchors in opposite side cast-in-place concrete layer is stretched into after edge joint position overlaps and bends,
And 2 reinforcing bars are set to strengthen anchoring in piece reinforcing bar bending place；3rd, high-strength helix rib steel wire or three strands of steel strand wires are made in
For prestress reinforcement；4th, lightweight non-bearing material can be put in rear pouring concrete overlapping layers to strengthen the insulation of floor, sound insulation
Etc. performance.The it is proposed of CN2642887Y technologies, its engineering construction span can reach 9-10m, superimposed sheet are greatly facilitated
The development of technology.
But there is following defect in CN2642887Y：1st, because CN2642887Y uses relatively large " the high-strength spiral shell of diameter
Revolve rib steel wire or three strands of steel strand wires " cause prefabricated panel thickness generally all >=60mm, cause prefabricated panel deadweight larger, construct tired
Difficult and floor maximum is also restrained using span；2nd, as prefabricated panel thickness≤80mm, the rigidity of its own is smaller, hangs
It is larger to fill difficulty of construction；3rd, because prefabricated panel deadweight is larger, limited by building machinery hoisting weight, as floor span >=9m
When, width typically all≤1.2m of every piece of prefabricated panel, same plate needs many block prefabricated panels to be spliced, piece more one
It is that the reinforcing bar consumption of piece area is more, second, construction workload is big.In CN2642887Y, also it is proposed that " it is non-to put lightweight in floor
Load-bearing material ", but it is only limitted to put in rear pouring concrete overlapping layers, is anticipated for the deadweight for mitigating prefabricated panel without actual
Justice.
In summary, following defect is respectively present in the prior art in assembled superposed floor, mainly have：1st, prefabricated structure
Part from great；2nd, prefabricated components rigidity is small；3rd, prefabricated components width is small；4th, switching performance is poor between adjacent preforms, uncomfortable
For two-way slab；5th, it is small to be applicable span.In this case, a kind of overlapping plate technique for overcoming drawbacks described above is developed, it has also become when
Urgent problem in preceding assembled superposed floor.
(3) content of the invention
In existing assembled superposed floor technology, exist prefabricated components from it is great, prefabricated components rigidity is small, be applicable across
Spend the problems such as switching performance difference between small, adjacent preforms is not suitable for two-way slab, prefabricated components narrower width, the utility model
Purpose be to provide a kind of wide cut hollow superimposed sheet.
On the basis of existing technology, to achieve the above object, the technical solution adopted in the utility model is：A kind of wide cut
Hollow superimposed sheet, the superimposed sheet is reinforced concrete structure, including the prefabricated component of bottom and the overlapping layers on top, prefabricated component are length
Bar shaped, the width >=2000mm and≤3500mm of every prefabricated component, length >=5000mm and≤10000mm, the bottom plate of prefabricated component
Concrete thickness >=40mm and≤65mm, the Double Faces to Install baseplate reinforcing bar in bottom plate, baseplate reinforcing bar stretch out from the concrete of bottom plate
Length >=50mm, the filling member of the light material of more than 3 rows or 3 rows, 5 row or the 5 row above is arranged on the top of every prefabricated component,
It is the solid rib of concrete between adjacent filling member in every prefabricated component, height >=50mm of solid rib, by 2 or more than 2
Prefabricated component is connected in parallel, and the baseplate reinforcing bar between adjacent preforms is mutually lapped in piece area, and prefabricated component is in addition to piece area
The section of stretching out of baseplate reinforcing bar, all anchor into the beam or wall bearing of border, the upper reinforcement of colligation superimposed sheet, pour overlapping layers coagulation
Soil, overlapping layer concrete minimum thickness >=40mm and≤60mm, form superimposed sheet.
It is of the present utility model when to be characterised by superimposed sheet be two-way slab, the post-cast strip width in adjacent preforms piece area >=
100mm and ＜ 200mm, in piece area, the baseplate reinforcing bar between adjacent preforms is bent up upwards, is set in baseplate reinforcing bar bending place
2 beadings are put to strengthen anchoring.
It is of the present utility model to be characterised by the pre-buried suspension ring in corresponding position on the solid rib of different prefabricated components, tension rib from
Passed through in suspension ring, different prefabricated components are connected.
Post stretching soap-free emulsion polymeization is configured in the piece area of the present utility model being characterised by between adjacent preforms or is had viscous
Knot or delayed bonding prestressed tendon.
The main material of the present utility model for being characterised by filling member is polyphenyl foam or rigid plastics, the upper and lower surface of filling member
There is chamfering border, has a vertical mortar leakage hole in the middle part of filling member, the upper end of slurry leakage hole is up big and down small infundibulate, and lower end is
Up-small and down-big infundibulate.
After such scheme, the utility model has the advantages that compared with prior art：
According to《Prefabricated concrete structure technical regulation》(JGJ-2014) the 6.6.2 articles regulation " prefabricated thickness of superimposed sheet
Degree is not preferably less than 60mm, and rear pouring concrete overlapping layers thickness is no less than 60mm "；Filling member is employed in the technical program,
Although underplate concrete thickness >=40mm of prefabricated component and≤65mm, significantly reduce the deadweight of prefabricated component, adjacent filling member
Between the solid rib of both direction concrete in length and breadth presence, height >=50mm of solid rib, improve prefabricated component both direction
Rigidity, component have transport well, lifting performance.Wide cut is technical characteristics of the present utility model, and the utility model is every
The top of bar prefabricated component is arranged more than 3 rows or 3 rows, 5 arrange or the filling member of the light material of the 5 row above so that prefabricated component is relative
It is relatively light, and solid rib is evenly distributed, therefore the width of every prefabricated component can improve efficiency of construction with >=2000mm, and save piece
The material usage in area.Baseplate reinforcing bar extension elongation >=50mm from the concrete of bottom plate, the baseplate reinforcing bar in addition to piece area are stretched
Go out section, all anchor into the beam or wall bearing of border, it is ensured that the overall stress of superimposed sheet.Bottom Board Steel between adjacent preforms
Muscle is mutually lapped in piece area so that external force can be transmitted effectively between different prefabricated components, reach the technology effect of bidirectional stress
Fruit.Because the prefabricated component in the utility model is relatively light, 5000mm and 10000mm are of the present utility model minimum respectively and most
Big economic span.
In the 6.6.6 articles regulation of JGJ-2014, " the monoblock type seam of bidirectional laminated slab plate side is preferably located at the secondary of superimposed sheet
Impact direction and preferably avoid maximal bending moment section.Seam can take post-cast strip form, and should meet the following requirements：1 post-cast strip is wide
The prefabricated thickness that degree is not preferably less than seam is not preferably less than 60mm, and rear pouring concrete overlapping layers thickness is no less than 200mm ... "；
The baseplate reinforcing bar in piece area between the utility model adjacent preforms is bent up upwards, and 2 beadings are set in reinforcing bar bending place
With strengthen anchoring so that post-cast strip width >=100mm and ＜ 200mm, it is possible to reduce piece area amount of reinforcement and reduce it is pure solid
The proportion in area, mitigate superimposed sheet dead load.The pre-buried suspension ring in corresponding position on the solid rib of different prefabricated components, suspension ring are first
The impetus during construction hoisting can be turned into, tension rib is passed through from suspension ring, different prefabricated components connected, Ke Yizeng
The globality of strong superimposed sheet.Configuration can lift the overall cracking resistance of superimposed sheet by post-stressed muscle in piece area
And anti-deformation, while increase the application span of superimposed sheet.The upper and lower surface border chamfering of filling member, on the one hand eliminate stress
Concentrate, occur without the phenomenon of abrupt changes in thickness；On the other hand the concrete on filling member top is a dome shaped cover, can be increased
Strong flooring bears the ability of load, and the corner cut or chamfering of filling member bottom can facilitate pouring for concrete.In filling member
A vertical mortar leakage hole is opened at middle part, the upper hopper of slurry leakage hole can ensure slurry leakage hole cross dimension try one's best it is small on the premise of,
Greatly speed up the speed that concrete flows into slurry leakage hole；And lower funnel can then ensure that the coarse aggregate in concrete can be rapid and without barrier
Flow to the bottom of filling member with hindering；After concrete formation, the concrete in slurry leakage hole, mixed equivalent on the upper and lower surface of filling member
A connecting pole is added between concrete board, and connecting pole upper and lower side is all with enlarged footing, its mechanical mechanism and the post in plate-column structure
Cap is identical.
Prefabricated components from heavy and light, both direction rigidity is big, applicable in length and breadth in wide cut hollow superimposed sheet of the present utility model
Span is big, is applicable to two-way slab, is readily transported and installs.The utility model has good economy and applicability, to building
The development for building technology plays a driving role.
(4) illustrate
The utility model is described further below in conjunction with accompanying drawing.
Fig. 1 is the plan of the utility model superimposed sheet
Fig. 2 is the utility model superimposed sheet vertical cross section organigram
Fig. 3 is the plan of wall scroll prefabricated component in the utility model superimposed sheet
Fig. 4 is the A-A profiles of prefabricated component in Fig. 3
Fig. 5 is the utility model superimposed sheet vertical cross section detail drawing
Fig. 6 is Tu5Zhong pieces area part drawing
Fig. 7 is filling member vertical cross section organigram
Fig. 8 is filling member top view
In figure：1. prefabricated component, 2. overlapping layers, 3. bottom plates, 4. baseplate reinforcing bars, 5. filling members, 6. solid ribs, 7. piece areas,
8. bearing, 9. upper reinforcements, 10. beadings, 11. suspension ring, 12. tension ribs, 13. presstressed reinforcing steels, 14. slurry leakage holes.
(5) embodiment
The utility model is to realize in such a way：
In Fig. 1-embodiment illustrated in fig. 6, a kind of wide cut hollow superimposed sheet, the superimposed sheet is reinforced concrete structure, bag
Including the prefabricated component (1) of bottom and the overlapping layers (2) on top, prefabricated component (1) is strip, the width of every prefabricated component (1) >=
2000mm and≤3500mm, length >=5000mm and≤10000mm, bottom plate (3) concrete thickness >=40mm of prefabricated component (1) and
≤ 65mm, the Double Faces to Install baseplate reinforcing bar (4) in bottom plate (3), baseplate reinforcing bar (4) from the concrete of bottom plate (3) extension elongation >=
50mm, the filling member (5) of the light material of more than 3 rows or 3 rows, 5 row or the 5 row above is arranged on the top of every prefabricated component (1),
Between adjacent filling member (5) it is the solid rib of concrete (6) in every prefabricated component (1), height >=50mm of solid rib (6), by 2
Or the prefabricated component (1) of more than 2 is connected in parallel, the baseplate reinforcing bar (4) between adjacent preforms (1) is mutual in piece area (7)
Overlap joint, the section of stretching out of prefabricated component (1) baseplate reinforcing bar (4) in addition to piece area (7), is all anchored into the beam or wall bearing (8) of border,
The upper reinforcement (9) of colligation superimposed sheet, pours overlapping layers (2) concrete, overlapping layers (2) concrete minimum thickness >=40mm and≤
60mm, form superimposed sheet.
In Fig. 1, Fig. 5, embodiment illustrated in fig. 6, when superimposed sheet is two-way slab, behind adjacent preforms (1) piece area (7)
Bandwidth >=100mm and ＜ 200mm are poured, in piece area (7), the baseplate reinforcing bar (4) between adjacent preforms (1) is bent up
Rise, set 2 beadings (10) to strengthen anchoring in baseplate reinforcing bar (4) bending place.
In Fig. 1, Fig. 3-embodiment illustrated in fig. 6, corresponding position is pre-buried on the solid rib (6) of different prefabricated components (1)
Suspension ring (11), tension rib (12) are passed through from suspension ring (11), and different prefabricated components (1) are connected.
In Fig. 5, embodiment illustrated in fig. 6, configuration post stretching is without viscous in the piece area (7) between adjacent preforms (1)
Tie or have bonding or delayed bonding prestressed tendon (13).
In Fig. 7, embodiment illustrated in fig. 8, the main material of filling member is polyphenyl foam or rigid plastics, filling member (5) it is upper
There is chamfering lower surface border, there is a vertical mortar leakage hole (14) in the middle part of filling member (5), the upper end of slurry leakage hole (14) for it is upper it is big under
Small infundibulate, lower end are up-small and down-big infundibulate of falling.
Claims (5)
1. a kind of wide cut hollow superimposed sheet, the superimposed sheet is reinforced concrete structure, including the prefabricated component (1) of bottom and top
Overlapping layers (2), it is characterised in that prefabricated component (1) is strip, the width >=2000mm and≤3500mm of every prefabricated component (1),
Length >=5000mm and≤10000mm, bottom plate (3) concrete thickness >=40mm of prefabricated component (1) and≤65mm, in bottom plate (3)
The Double Faces to Install baseplate reinforcing bar (4), baseplate reinforcing bar (4) extension elongation >=50mm from the concrete of bottom plate (3), in every prefabricated component
(1) top is arranged more than 3 rows or 3 rows, 5 arrange or the filling member (5) of the light material of the 5 row above, every interior phase of prefabricated component (1)
It is the solid rib of concrete (6) between adjacent filling member (5), height >=50mm of solid rib (6), by 2 or the prefabricated component of more than 2
(1) it is connected in parallel, the baseplate reinforcing bar (4) between adjacent preforms (1) is mutually lapped in piece area (7), and prefabricated component (1) is except spelling
The section of stretching out of baseplate reinforcing bar (4) outside area (7) is stitched, is all anchored into the beam or wall bearing (8) of border, the upper steel of colligation superimposed sheet
Muscle (9), overlapping layers (2) concrete, overlapping layers (2) concrete minimum thickness >=40mm and≤60mm are poured, form superimposed sheet.
2. a kind of wide cut hollow superimposed sheet according to claim 1, it is characterised in that adjacent pre- when superimposed sheet is two-way slab
Post-cast strip width >=100mm and ＜ the 200mm in product (1) piece area (7), in piece area (7), between adjacent preforms (1)
Baseplate reinforcing bar (4) bend up upwards, 2 beadings (10) are set in baseplate reinforcing bar (4) bending place to strengthen anchoring.
3. a kind of wide cut hollow superimposed sheet according to claim 1, it is characterised in that it is characterized in that in different prefabricated components
(1) the pre-buried suspension ring in corresponding position (11) on solid rib (6), tension rib (12) pass through from suspension ring (11), will be different prefabricated
Part (1) connects.
A kind of 4. wide cut hollow superimposed sheet according to claim 1, it is characterised in that the spelling between adjacent preforms (1)
Post stretching soap-free emulsion polymeization is configured in seam area (7) or has bonding or delayed bonding prestressed tendon (13).
5. a kind of wide cut hollow superimposed sheet according to claim 1, it is characterised in that the main material of filling member is polyphenyl foam
Or there is chamfering rigid plastics, the upper and lower surface border of filling member (5), there is a vertical mortar leakage hole (14) in the middle part of filling member (5),
The upper end of slurry leakage hole (14) is up big and down small infundibulate, and lower end is up-small and down-big infundibulate of falling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720960917.5U CN207032605U (en) | 2017-08-04 | 2017-08-04 | A kind of wide cut hollow superimposed sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720960917.5U CN207032605U (en) | 2017-08-04 | 2017-08-04 | A kind of wide cut hollow superimposed sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207032605U true CN207032605U (en) | 2018-02-23 |
Family
ID=61474312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720960917.5U Withdrawn - After Issue CN207032605U (en) | 2017-08-04 | 2017-08-04 | A kind of wide cut hollow superimposed sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207032605U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108560797A (en) * | 2018-04-13 | 2018-09-21 | 重庆中贝毅科科技有限公司 | Load module formula concrete folding plate |
| CN109267681A (en) * | 2018-09-05 | 2019-01-25 | 合肥工业大学 | Overlap thick cored slab assembling frame structure |
-
2017
- 2017-08-04 CN CN201720960917.5U patent/CN207032605U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108560797A (en) * | 2018-04-13 | 2018-09-21 | 重庆中贝毅科科技有限公司 | Load module formula concrete folding plate |
| CN109267681A (en) * | 2018-09-05 | 2019-01-25 | 合肥工业大学 | Overlap thick cored slab assembling frame structure |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180223 Effective date of abandoning: 20230908 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180223 Effective date of abandoning: 20230908 |