CN107916775A - A kind of reinforcing device and method of builder's jack and laminated floor slab - Google Patents
A kind of reinforcing device and method of builder's jack and laminated floor slab Download PDFInfo
- Publication number
- CN107916775A CN107916775A CN201711163102.5A CN201711163102A CN107916775A CN 107916775 A CN107916775 A CN 107916775A CN 201711163102 A CN201711163102 A CN 201711163102A CN 107916775 A CN107916775 A CN 107916775A
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- floor slab
- laminated floor
- cantilever beams
- shaped
- connecting plate
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title abstract description 6
- 238000004873 anchoring Methods 0.000 claims abstract description 42
- 239000004567 concrete Substances 0.000 claims abstract description 21
- 230000002787 reinforcement Effects 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract description 8
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/18—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by cantilevers or other provisions mounted in openings in the building, e.g. window openings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The reinforcing device and method of a kind of builder's jack and laminated floor slab of the present invention, is related to technical field of construction equipment.Builder's jack is caused to install and remove the problem of inconvenient for builder's jack is fixed on existing laminated floor slab.It includes multiple anchoring pieces, and every Cantilever Beams are fixed on laminated floor slab by anchoring piece；The closed end of U-shaped sunpender is arranged at laminated floor slab bottom, and laminated floor slab is run through in its openend, and the height of U-shaped sunpender is more than the sum of laminated floor slab and overhanging cantilever thickness, connecting plate be arranged at Cantilever Beams top and with U-shaped sunpender detachable connection.Reinforcement means：After prefabricated board is in place, U-shaped reinforcing bar embedded part is set on prefabricated board, Bars In Poured Concrete Slab is poured, Cantilever Beams is erected on Bars In Poured Concrete Slab and are fixed temporarily by U-shaped reinforcing bar embedded part；Do not set up the regional opening of support system in laminated floor slab bottom, U-shaped sunpender 11 runs through laminated floor slab, connecting plate be arranged at Cantilever Beams and with U-shaped sunpender detachable connection, builder's jack is installed in the Cantilever Beams other end.
Description
Technical field
The present invention relates to technical field of construction equipment, the bracing means of more particularly to a kind of builder's jack and laminated floor slab
And method.
Background technology
Laminated floor slab is the assembled floor being formed by stacking by prefabricated board and cast-in-place concrete layer (hereinafter referred Bars In Poured Concrete Slab),
The prestressing force main reinforcement of prefabricated board is the main reinforcement of laminated floor slab, is equipped with steel truss in prefabricated board, Bars In Poured Concrete Slab only configure negative bending moment rib with
Distributing bar, prefabricated board are used as the bed die of cast-in-place concrete layer, and laminated floor slab is with rigidity is big, crack resistance is good and saves template etc.
Advantage.
Builder's jack refers to the scaffold that frame structure is attached on the rigid Cantilever Beams (frame) of building structure, for building
Operation and its security protection needs of the main body or fitting-out work in construction are built, the supporting structure of builder's jack should be shaped steel system
The Cantilever Beams or cantilever frame of work.As shown in Figure 1, floor 1, the stretching external wall of Cantilever Beams 2 are fixed in one end of Cantilever Beams 2
One end be connected by steel wire rope 3 with the built-in fitting 4 in external wall, and on Cantilever Beams 2 install scaffold 5, in general, in building
Embedded bar embedded part in plate 1, then makes Cantilever Beams 2 be realized through reinforcing bar embedded part and fixes.According to existing national standards, foot hand is overhang
When frame anchorage point is arranged on floor, the thickness of floor is not preferably less than 120mm, and in assembled architecture engineering, laminated floor slab
Prefabricated plate thickness be 60mm, cast-in-place plate thickness is 70mm, and prefabricated board is unsatisfactory for builder's jack anchoring because excessively thin to floor
The requirement of thickness, is fixed if making reinforcing bar embedded part penetrate laminated floor slab, and reinforcing bar embedded part can be with the supporter that is set under laminated floor slab
System bumps against, and the dismounting time of the support system is later than the builder's jack overhanging construction time, causes builder's jack to be installed
And remove inconvenience.
The content of the invention
Builder's jack is caused to install and remove the problem of inconvenient for builder's jack is fixed on existing laminated floor slab.This
The purpose of invention is to provide a kind of reinforcing device and method of builder's jack and laminated floor slab, and the U-shaped sunpender of bracing means passes through
Wear and the fixation of builder's jack realized through anchoring piece with connecting plate detachable connection, Cantilever Beams after the perforate of laminated floor slab,
Requirement of the builder's jack anchoring to slab thickness is met, and the support system phase of anchoring piece and laminated floor slab can be avoided
Collision so that the installation and dismounting of builder's jack are more convenient, quick.
The technical solution adopted by the present invention to solve the technical problems is：A kind of reinforcing of builder's jack and laminated floor slab
Device, it includes multiple anchoring pieces, and Cantilever Beams are erected on the laminated floor slab, and the every Cantilever Beams pass through the anchoring piece
The laminated floor slab is fixed on, the overhanging scaffold erection stretches out one end of the laminated floor slab in the Cantilever Beams；It is described
Anchoring piece is arranged at the region that laminated floor slab bottom does not set up support system, and the anchoring piece includes U-shaped sunpender and connecting plate, institute
The closed end for stating U-shaped sunpender is arranged at the bottom of the laminated floor slab, and the overlapping building is run through in the openend of the U-shaped sunpender
Plate, and the height of the U-shaped sunpender is more than the sum of thickness of the laminated floor slab and the Cantilever Beams, the connecting plate is arranged at
The top of the Cantilever Beams, and the both ends of the connecting plate and the U-shaped sunpender detachable connection.
Preferably, the top of the U-shaped sunpender is equipped with external screw thread, and the both ends of the connecting plate are equipped with and the U-shaped sunpender
Corresponding through hole, the top of the U-shaped sunpender are fixed through the connecting plate and by nut check.
Preferably, the through hole is strip hole, and the major axis of the strip hole is consistent with the length direction of the connecting plate.
Preferably, the both ends of the connecting plate are equipped with and the corresponding card slot of U-shaped sunpender, the top card of the U-shaped sunpender
It is buckled in the card slot and is fixed by nut check.
Preferably, it further includes some limited blocks, and the limited block is arranged at the both sides of the Cantilever Beams, the limited block
Side offset with the Cantilever Beams, the opposite side of the limited block offsets with the U-shaped sunpender.
Preferably, at least a pair of anchoring piece is close to the edge of the laminated floor slab, at least a pair of anchoring piece position
In the end of the Cantilever Beams.
In addition, present invention also offers a kind of builder's jack and the reinforcement means of laminated floor slab, step are as follows：
S1：After the prefabricated board lifting in place of laminated floor slab, some U-shaped reinforcing bar embedded parts are set on the prefabricated board, are poured
Cantilever Beams after the cast-in-place board concrete reaches the intensity of design requirement, are erected on the Bars In Poured Concrete Slab by cast-in-place board concrete
And fixed temporarily by the U-shaped reinforcing bar embedded part；
S2：The regional opening of support system is not set up in the laminated floor slab bottom, makes the U-shaped sunpender through described folded
Floor is closed, connecting plate is arranged on the Cantilever Beams, makes the both ends of the connecting plate and the U-shaped sunpender detachable connection,
One end that the laminated floor slab is stretched out in the Cantilever Beams is installed by builder's jack.
Preferably, the top of the U-shaped sunpender is threadedly coupled or connects and fixes with the connecting plate.
Preferably, the step S1 is further included, and double-layer double-direction reinforcing bar is set above laminated floor slab perforate.
Preferably, step S3 is further included, the builder's jack for being erected on the overhanging beam end is removed, unclamps the fastening
Threaded connection and dismounting between piece and the U-shaped sunpender, the Cantilever Beams are extracted out from the U-shaped reinforcing bar embedded part.
Effect of the invention is that：
First, the bracing means of a kind of builder's jack and laminated floor slab of the invention, the U-shaped sunpender of anchoring piece is through overlapping
Floor, and the connecting plate detachable connection with being arranged on Cantilever Beams, so that every Cantilever Beams are consolidated by anchoring piece
Due to laminated floor slab, which has the advantages that：
(1) it is different from the conventional reinforcing mode of embedded bar embedded part inside prefabricated board, the U-shaped of bracing means of the present invention
Sunpender realizes builder's jack with fastener detachable connection, Cantilever Beams after the through hole of laminated floor slab through anchoring piece
It is fixed, meet requirement of the builder's jack anchoring to slab thickness；
(2) the position perforate of support system is not set up after laminated floor slab is in place thereunder, the lead to the hole site is easily controllable,
The support system of anchoring piece and laminated floor slab can be avoided to collide so that the installation and dismounting of builder's jack are more square
Just, fast；
(3) detachable connection, each component can be recycled, reduced between the U-shaped sunpender and fastener of bracing means
Construction cost.
2nd, the reinforcement means of a kind of builder's jack and laminated floor slab of the invention, first, sets on prefabricated board in place
Some U-shaped reinforcing bar embedded parts are put, Bars In Poured Concrete Slab is poured and Cantilever Beams is temporarily fixed on by laminated floor slab by U-shaped reinforcing bar embedded part, then,
Do not set up the region scene perforate of support system in laminated floor slab bottom, U-shaped sunpender is threadedly coupled through perforate and with connecting plate,
The fixation of builder's jack is realized through anchoring piece easy to Cantilever Beams, the perforate of laminated floor slab scene, its position is easily controllable, can
The support system of anchoring piece and laminated floor slab is avoided to collide so that the installation and dismounting of builder's jack are more convenient, fast
It is prompt.
Brief description of the drawings
Fig. 1 is the schematic diagram that existing builder's jack is anchored in reinforced concrete floor；
Fig. 2 is the builder's jack of one embodiment of the invention and the connection diagram of laminated floor slab；
Fig. 3 is the structure diagram of the bracing means of one embodiment of the invention.
Figure label is as follows：
Floor 1；Cantilever Beams 2；Steel wire rope 3；Built-in fitting 4；Scaffold 5；
Anchoring piece 10；U-shaped sunpender 11；Connecting plate 12；Nut 14；Limited block 15；
Laminated floor slab 20；The region 20a of support system is not set up in laminated floor slab bottom；Prefabricated board 21；Bars In Poured Concrete Slab 22；
Main reinforcement 23；Steel truss 24.
Embodiment
Below in conjunction with reinforcing of the drawings and specific embodiments to a kind of builder's jack proposed by the present invention and laminated floor slab
Device and method is described in further detail.According to following explanation and claims, advantages and features of the invention will more
It is clear.It should be noted that attached drawing uses using very simplified form and non-accurate ratio, only to convenient, apparent
Ground aids in illustrating the purpose of the embodiment of the present invention.For sake of convenience, " on ", " under " described below, " left side " " right side " and attached drawing
Upper and lower, left and right direction it is consistent, but this can't be the limitation of technical solution of the present invention.
Illustrate the bracing means of a kind of builder's jack and laminated floor slab of the present invention with reference to Fig. 2 and Fig. 3, Fig. 2 is shown
The vertical view state of laminated floor slab 20 and Cantilever Beams 2, dotted line wire frame and the region by oblique line filling are not set up for laminated floor slab bottom
The region 20a of support system；Fig. 3 is the structure diagram of bracing means, wherein, pre-buried transverse direction, lengthways main steel bar in prefabricated board 21
23, and set up steel truss 24.The bracing means is mainly used in builder's jack and laminated floor slab 20 in assembled architecture construction
Be fixedly connected, it includes at least a pair of of anchoring piece 10, and two Cantilever Beams 2 are erected on laminated floor slab 20, and every Cantilever Beams 2 are logical
Cross anchoring piece 10 and be fixed on laminated floor slab 20, overhanging scaffold erection stretches out one end of laminated floor slab 20 in Cantilever Beams 2；Anchoring piece
10 are arranged at the region 20a that laminated floor slab bottom does not set up support system；Above-mentioned anchoring piece 10 includes U-shaped sunpender 11 and connecting plate
12, the closed end of U-shaped sunpender 11 is arranged at 21 bottom of prefabricated board of laminated floor slab 20, and the openend of U-shaped sunpender 11 extends through
Prefabricated board 21 and Bars In Poured Concrete Slab 22, and the height of U-shaped sunpender is more than the sum of thickness of laminated floor slab 20 and Cantilever Beams 2, connecting plate 12
The top of Cantilever Beams 2 is arranged at, and the both ends of connecting plate 12 and the both ends of U-shaped sunpender 11 are detachable connection.The present embodiment
Cantilever Beams 2 be made of I-steel, certainly, can be also made of other section steel materials, be not construed as limiting herein.
The bracing means of a kind of builder's jack and laminated floor slab of the present invention, the U-shaped sunpender 11 of anchoring piece 10 is through folded
Floor 20, and 12 detachable connection of connecting plate with being arranged on Cantilever Beams 2 are closed, so that every Cantilever Beams 2 pass through
Anchoring piece 10 is fixed on laminated floor slab 20, which has the advantages that：
(1) it is different from the conventional reinforcing mode in 21 inside embedded bar embedded part of prefabricated board, the U of bracing means of the present invention
Shape sunpender 11 is realized after the through hole of laminated floor slab 20 with 12 detachable connection of connecting plate, Cantilever Beams 2 through anchoring piece 10
The fixation of builder's jack, meets requirement of the builder's jack anchoring to slab thickness；
(2) the position perforate of support system is not set up after laminated floor slab 20 is in place thereunder, which is easy to control
System, can avoid anchoring piece 10 and the support system of laminated floor slab 20 from colliding so that the installation and dismounting of builder's jack are equal
It is more convenient, quick；
(3) detachable connection, each component can be recycled between the U-shaped sunpender 11 and connecting plate 12 of bracing means, drop
Low construction cost.
As most preferred embodiment, as shown in figure 3, U-shaped sunpender 11 is made of reinforcing bar, its top is equipped with external screw thread, connecting plate
12 are made of steel plate, and the both ends of connecting plate 12 are equipped with and run through tight with 11 corresponding through hole of U-shaped sunpender, the top of U-shaped sunpender 11
Gu piece 12 is simultaneously locked by nut 14, be threadedly coupled between U-shaped sunpender 11 and connecting plate 12 it is reliable and stable, it is convenient for disassembly and assembly, and
And both clamp the tightness of Cantilever Beams 2 and are also easier to adjust.
More preferably, above-mentioned through hole is strip hole, and the major axis of strip hole is consistent with the length direction of connecting plate 12, strip hole
Setting easy to U-shaped sunpender 11 two vertical bars carry out horizontal direction fine setting.
Please continue to refer to Fig. 3, bracing means further includes some limited blocks 15, and limited block 15 is arranged at the both sides of Cantilever Beams 2,
The side of limited block 15 and the web of Cantilever Beams 2 offset, and opposite side and the U-shaped sunpender 11 of limited block 15 offset.The present embodiment
Limited block 15 is made of flitch, and Cantilever Beams 2 can be clamped between two montants of U-shaped sunpender 11 by limited block 15, be avoided
The occurred level direction displacement above laminated floor slab 20 of Cantilever Beams 2 so that the positioning of Cantilever Beams 2 is more reliable and more stable.
As shown in Fig. 2, one end of laminated floor slab 20 is stretched out due to the left side of Cantilever Beams 2 need to install scaffold, for this reason, Cantilever Beams
2 right sides need firmly to be fixed in laminated floor slab 20, and the present embodiment sets at least two pairs of anchoring pieces 10, and a pair of of anchoring piece 10 is close to overlapping
The edge of floor 20, a pair of of anchoring piece 10 are fixed on the end on the right side of Cantilever Beams 2, to meet the force request of Cantilever Beams 2, more preferably
, the end on the right side of Cantilever Beams 2 is set up in parallel two pairs of anchoring pieces 10, further to strengthen the company of Cantilever Beams 2 and laminated floor slab 20
Connect.
As another embodiment, the both ends of connecting plate 12 be equipped with the corresponding card slot (not shown) of U-shaped sunpender 11,
The top of U-shaped sunpender 11 is snapped in card slot and is locked by nut 14, and U-shaped sunpender 11 is connected and fixed with connecting plate 12, tightly
Gu the installation and dismounting of piece 12 are more convenient, work efficiency is further improved.
Illustrate the reinforcement means of a kind of builder's jack and laminated floor slab of the present invention, specific step with reference to Fig. 2 and Fig. 3
It is rapid as follows：
S1：After the prefabricated board 21 of laminated floor slab 20 lifts in place, some U-shaped reinforcing bar embedded parts (figure is set on prefabricated board 21
Not shown in), two legs of U-shaped reinforcing bar embedded part is bonded prefabricated board 21, pour 22 concrete of Bars In Poured Concrete Slab, treat that Bars In Poured Concrete Slab 22 is mixed
After solidifying soil reaches the intensity of design requirement, the Cantilever Beams 2 of builder's jack are erected on Bars In Poured Concrete Slab 22 and stretch into U-shaped reinforcing bar and are buried
Part is fixed temporarily；
S2：Do not set up the region 20a perforates of support system in laminated floor slab bottom, U-shaped sunpender 11 is run through laminated floor slab,
Connecting plate 12 is arranged on Cantilever Beams 2, is made both ends and 11 detachable connection of U-shaped sunpender of connecting plate 12, is stretched out in Cantilever Beams 2
One end installation builder's jack of laminated floor slab 20.
The reinforcement means of a kind of builder's jack and laminated floor slab of the present invention, first, sets on prefabricated board 21 in place
Some U-shaped reinforcing bar embedded parts are put, Bars In Poured Concrete Slab 22 is poured and Cantilever Beams 2 is temporarily fixed on by laminated floor slab 20 by U-shaped reinforcing bar embedded part,
Then, do not set up the region 20a scenes perforate of support system in laminated floor slab bottom, U-shaped sunpender 11 through perforate and with fastening
Piece 12 is threadedly coupled, and the fixation of builder's jack is realized through anchoring piece 10 easy to Cantilever Beams 2, the live perforate of laminated floor slab 20,
Its position is easily controllable, anchoring piece 10 and the support system of laminated floor slab 20 can be avoided to collide so that builder's jack
Installation and dismounting are more convenient, quick.
The top of above-mentioned U-shaped sunpender 11 is threadedly coupled or connects and fixes with connecting plate 12, anchoring piece 10 dismantle it is more convenient,
Improve construction efficiency.
Above-mentioned steps S1 is further included, and double-layer double-direction reinforcing bar is set above the perforate of laminated floor slab 20, to the U of Bars In Poured Concrete Slab 22
11 punch position of shape sunpender makees structural strengthening processing.
Further, above-mentioned reinforcement means further includes step S3, removes the builder's jack for being erected on 2 end of Cantilever Beams,
The threaded connection of connecting plate 12 and U-shaped sunpender 11 and dismounting are unclamped, Cantilever Beams are extracted out to completion overhanging foot from U-shaped reinforcing bar embedded part
The dismounting work of hand cradle.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to right.
Claims (10)
- A kind of 1. bracing means of builder's jack and laminated floor slab, it is characterised in that including：Multiple anchoring pieces, Cantilever Beams are erected on the laminated floor slab, and the every Cantilever Beams are fixed on by the anchoring piece The laminated floor slab, the overhanging scaffold erection stretch out one end of the laminated floor slab in the Cantilever Beams；The anchoring piece is arranged at the region that laminated floor slab bottom does not set up support system, the anchoring piece include U-shaped sunpender and Connecting plate, the closed end of the U-shaped sunpender are arranged at the bottom of the laminated floor slab, and institute is run through in the openend of the U-shaped sunpender Laminated floor slab is stated, and the height of the U-shaped sunpender is more than the sum of thickness of the laminated floor slab and the Cantilever Beams, the fastening Piece is arranged at the top of the Cantilever Beams, and the both ends of the connecting plate and the U-shaped sunpender detachable connection.
- 2. bracing means according to claim 1, it is characterised in that：The top of the U-shaped sunpender is equipped with external screw thread, described The both ends of connecting plate are equipped with through hole corresponding with the U-shaped sunpender, and the top of the U-shaped sunpender is through the connecting plate and by spiral shell Mother is locked.
- 3. bracing means according to claim 2, it is characterised in that：The through hole is strip hole, and the strip hole Major axis is consistent with the length direction of the connecting plate.
- 4. bracing means according to claim 1, it is characterised in that：The both ends of the connecting plate are equipped with and U-shaped sunpender phase Corresponding card slot, the top of the U-shaped sunpender are snapped in the card slot and are fixed by nut check.
- 5. bracing means according to any one of claims 1 to 4, it is characterised in that：Further include some limited blocks, the limit Position block is arranged at the both sides of the Cantilever Beams, and the side of the limited block offsets with the Cantilever Beams, the limited block it is another Side offsets with the U-shaped sunpender.
- 6. bracing means according to claim 1, it is characterised in that：At least a pair of anchoring piece is close to the overlapping building The edge of plate, at least a pair of anchoring piece are located at the end of the Cantilever Beams.
- 7. the reinforcement means of a kind of builder's jack and laminated floor slab, overhangs foot using such as claim 1 to 6 any one of them The bracing means of hand cradle and laminated floor slab, it is characterised in that step is as follows：S1：After the prefabricated board lifting in place of laminated floor slab, some U-shaped reinforcing bar embedded parts are set on the prefabricated board, are poured cast-in-place Board concrete, after the cast-in-place board concrete reaches the intensity of design requirement, by Cantilever Beams be erected on the Bars In Poured Concrete Slab and by The U-shaped reinforcing bar embedded part is fixed temporarily；S2：The regional opening of support system is not set up in the laminated floor slab bottom, the U-shaped sunpender is run through the overlapping building Plate, connecting plate are arranged on the Cantilever Beams, make the both ends of the connecting plate and the U-shaped sunpender detachable connection, in institute State one end installation builder's jack that Cantilever Beams stretch out the laminated floor slab.
- 8. reinforcement means according to claim 7, it is characterised in that：The top of the U-shaped sunpender and the connecting plate spiral shell Line is connected or connected and fixed.
- 9. reinforcement means according to claim 7, it is characterised in that：The step S1 is further included, in laminated floor slab perforate Top sets double-layer double-direction reinforcing bar.
- 10. reinforcement means according to any one of claims 7 to 9, it is characterised in that：Step S3 is further included, dismounting is set up In the builder's jack of the overhanging beam end, the threaded connection between the connecting plate and the U-shaped sunpender and dismounting are unclamped, The Cantilever Beams are extracted out from the U-shaped reinforcing bar embedded part.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711163102.5A CN107916775A (en) | 2017-11-21 | 2017-11-21 | A kind of reinforcing device and method of builder's jack and laminated floor slab |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711163102.5A CN107916775A (en) | 2017-11-21 | 2017-11-21 | A kind of reinforcing device and method of builder's jack and laminated floor slab |
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| CN107916775A true CN107916775A (en) | 2018-04-17 |
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| CN201711163102.5A Pending CN107916775A (en) | 2017-11-21 | 2017-11-21 | A kind of reinforcing device and method of builder's jack and laminated floor slab |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047593A (en) * | 2021-05-14 | 2021-06-29 | 中铁七局集团郑州工程有限公司 | Construction method of cantilever beam scaffold |
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