CN207296392U - Alter-pouring strips mould plate device - Google Patents
Alter-pouring strips mould plate device Download PDFInfo
- Publication number
- CN207296392U CN207296392U CN201720580953.9U CN201720580953U CN207296392U CN 207296392 U CN207296392 U CN 207296392U CN 201720580953 U CN201720580953 U CN 201720580953U CN 207296392 U CN207296392 U CN 207296392U
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- Prior art keywords
- post
- cast strip
- alter
- mould plate
- pouring
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Abstract
The utility model discloses a kind of alter-pouring strips mould plate device, the alter-pouring strips mould plate is used to pour post-cast strip, the alter-pouring strips mould plate is arranged on below the post-cast strip, and Screw arbor with nut at both-ends is arranged with the outside of the alter-pouring strips mould plate and above post-cast strip, steel pipe is equipped with the inside of the Screw arbor with nut at both-ends.There is the utility model independent alter-pouring strips mould plate need not return back to top support, ensure that structure stress is safe, improve construction efficiency and can be cost-effective.
Description
Technical field
A kind of construction engineering technical field is the utility model is related to, more particularly, to a kind of alter-pouring strips mould plate device.
Background technology
Post-cast strip is the temporary construction seam set between floors, which pours again after retaining a period of time.Namely will
Originally the plane " breaking the whole up into parts " of " overlength ", can be completed in a relatively short time the contraction of concrete, vertical loading difference
Excessive and the restraint stress such as deformation of generation release.And after the completion for the treatment of post empiricism, structure " is turned parts into the whole " again, is largely subtracted
Influence of the above-mentioned stress to structure is lacked, has reduced excessive setting permanent deformation and stitch.This " seam " is in total construction
Not only the relative settlement between building, the contraction distortion by solving concrete, temperature stress deformation had been solved, but also had been reached
Do not set the purpose of permanent deformation seam.Since the formwork-support of conventional construction post-cast strip installs defect, many quality are caused
Problem, such as post-cast strip plate bottom faulting of slab ends, reinforcing bar shift, protective layer control is improper, concrete surface impression quality is poor after form removal,
It is the common quality defect in post empiricism.
The formwork-support way at traditional post-cast strip position is to form overall all round victory shuttering supporting with other positions to fill
Put, set up at the same time, remove at the same time.Since the concrete enclosing construction at post-cast strip is that have certain time interval, post-cast strip is
The weak part of construction, it is necessary to consolidation process is carried out, therefore after form removal support device, generally added using the anti-method pushed up
Gu processing.In addition anti-top construction method destroys the original force balance state of mould plate supporting device, rod piece discontinuity, with
Periphery concrete component linking does not reach ideal effect.Supporting module support it must also be filled again during the concreting of post-cast strip
Put, not only taken a lot of work but also time-consuming.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, there is provided a kind of alter-pouring strips mould plate device and post-cast strip
Casting method, by varying the erection method of formwork-support, improves post-cast strip entirety impression quality, ensures that structure stress is put down
Surely, safety, at the same it is cost-effective.
To achieve the above object, the utility model proposes following technical solution：A kind of alter-pouring strips mould plate device, post-cast strip mould
Plate is used to pour post-cast strip, and the alter-pouring strips mould plate is arranged on below the post-cast strip, on the outside of the alter-pouring strips mould plate and after pour
Band top is arranged with Screw arbor with nut at both-ends, and steel pipe is equipped with the inside of the Screw arbor with nut at both-ends.
Preferably, the Screw arbor with nut at both-ends is set along the post-cast strip length direction, and Screw arbor with nut at both-ends described in each two is set
At intervals of 300~700 millimeters.
Preferably, Screw arbor with nut at both-ends described in each two is set at intervals of 500 millimeters.
A kind of post-cast strip casting method of the utility model, including after-pouring band beam-slab template, alter-pouring strips mould plate, post-cast strip beam
The erection method of template die plate supporting device and alter-pouring strips mould plate support device, has steps of：
S1, sets up after-pouring band beam-slab template support device and installs after-pouring band beam-slab template first, then sets up post-cast strip mould
Plate supporting device and alter-pouring strips mould plate, beam slab bed die, the side form of after-pouring band beam-slab are only set up when template is set up at post-cast strip position
Reserved empty position；Bind beam reinforced steel bar, steel wire installation；
S2, sets up post-cast strip both sides beam-slab template support device and installs post-cast strip both sides beam-slab template, poured after setting up
Two side template of two side mould plate supporting device of band and post-cast strip, including binding beam reinforced steel bar, steel wire installation；
S3, pours post-cast strip both sides beam slab and two side template concrete of post-cast strip and after-pouring band beam-slab template concrete, after
Pour band both sides beam slab concreting and do not stay horizontal and vertical construction joint, continuous placing is completed；Or in preceding layer concrete during interval
Before initial set, sublevel concreting is finished；
S4, removes post-cast strip both sides beam-slab template, after-pouring band beam-slab support device and post-cast strip both sides beam-slab template branch
Support arrangement, retains alter-pouring strips mould plate and alter-pouring strips mould plate support device；To ensure that the concreting of post-cast strip both sides is complete before dismounting
Reach authorized pressure into rear intensity；
S5, cleaning post-cast strip, adjustment reinforcing bar, in post-cast strip both sides, concrete reaches the stipulated time, and settlement observation meets mark
Standard, carries out post-cast strip concreting；
S6, when post-cast strip concrete reaches strength of mould stripping, removes alter-pouring strips mould plate and alter-pouring strips mould plate support device.
Preferably, after-pouring band beam-slab template support device described in the S1 steps and alter-pouring strips mould plate support device are taken
If including upright bar, the setting up of bar and horizon bar of vertically and horizontally sweeping the floor, the upright bar is equipped with steel plate, wherein the width between the upright bar
The width between the post-cast strip edge is spent, the upright bar, vertically and horizontally sweeping the floor is equipped with a certain distance between bar and horizon bar,
And form independent alter-pouring strips mould plate support device.
Preferably, lumps of wood is equipped with the vertically and horizontally bar and horizon bar of the alter-pouring strips mould plate support device upper end
It is interior stupefied, it is stupefied in the lumps of wood on be equipped with plywood form, after the completion of laying uniform level handle.
Preferably, two side mould plate supporting device of post-cast strip both sides beam-slab template support device and post-cast strip in the step S2
Set up including below beam slab and setting up for both sides upright bar and setting up for Bars In Poured Concrete Slab upright bar, setting up first below the beam slab and two
Bars In Poured Concrete Slab upright bar is set up in the upright bar of side again, is set up respectively from post-cast strip both sides to external expansion when setting up, and with alter-pouring strips mould plate branch
Support arrangement is connected as one with fastener.
Preferably, post-cast strip both sides beam slab is between the upright bar spacing that direction is set is equidirectional upper Bars In Poured Concrete Slab upright bar
Away from half.
Preferably, the concreting process described in the step S3 includes 3 preceding point, midpoint, origin vibrating methods
And the secondary method shaken again, to improve the bond stress of concrete and reinforcing bar, the microcrack of inside is reduced, strengthens compactness, it is described
The Best Times of secondary vibration are when the completion 2-3 that vibrates for the first time is small.
Preferably, needed in the step 5 before carrying out post-cast strip and pouring to being cleared up in alter-pouring strips mould plate, by post-cast strip
Position distortions and the reinforcing bar of displacement are adjusted, playback, and the binding node for the button that releases, leaks all re-starts binding.
The beneficial effects of the utility model are：Post-cast strip entirety impression quality is improved, ensure that structure stress safety；
Avoid that influence of the factor to post empiricism quality cannot be predicted, greatly enhance construction efficiency and can save
Cost.
Brief description of the drawings
Fig. 1 is the post-cast strip casting method flow chart of the utility model；
Fig. 2 is the post-cast strip template structure schematic diagram of the utility model.
Reference numeral：1st, post-cast strip, 2, Screw arbor with nut at both-ends, 3, steel pipe, 4, alter-pouring strips mould plate.
Embodiment
Below in conjunction with the attached drawing of the utility model, the technical solution of the utility model embodiment is carried out clear, complete
Description.
With reference to shown in Fig. 2, the revealed alter-pouring strips mould plate device of the utility model, the lower section of post-cast strip 1 is poured after being provided with
Band template 4, the bottom end seal of post-cast strip 1 is made by alter-pouring strips mould plate 4, conveniently pours post-cast strip, 1 upper end of post-cast strip need not be sealed
Lid alter-pouring strips mould plate 4, on the post-cast strip 1 and lower section of alter-pouring strips mould plate 4 are equipped with Screw arbor with nut at both-ends 5, it is described above and below to drawing
Screw rod 2 is oppositely arranged, and easy to pouring for post-cast strip 1, post-cast strip is more firmly fixed on the position.
As shown in Fig. 2, the top of post-cast strip 1 and the lower section of alter-pouring strips mould plate 4 are equipped with symmetrical steel pipe 3, the outside of steel pipe 3
Equipped with Screw arbor with nut at both-ends 2, steel pipe 3 and post-cast strip 1 and alter-pouring strips mould plate 4 are fixed together by Screw arbor with nut at both-ends 2, and Screw arbor with nut at both-ends 2 is along rear
It is a pair of to pour 1 length direction of band, 300~700 millimeters of arrangements, the preferred embodiment of the utility model, as shown in Fig. 2, Screw arbor with nut at both-ends 2
It is a pair of at interval of 500 millimeters of arrangements.Make post-cast strip 1 is even closer to be firmly fixed by the setting of Screw arbor with nut at both-ends 2, from without
The support device that post-cast strip returns back to top is set up to post-cast strip again.
A kind of post-cast strip casting method of the utility model, including after-pouring band beam-slab template, alter-pouring strips mould plate, post-cast strip beam
The erection method of template die plate supporting device and alter-pouring strips mould plate support device, specifically there is following steps：
S1, sets up after-pouring band beam-slab template support device and installs after-pouring band beam-slab template first, then sets up post-cast strip mould
Plate supporting device and alter-pouring strips mould plate, process of setting up includes upright bar, vertically and horizontally sweep the floor bar and horizon bar are set up, and is poured after
Upright bar spacing with both sides template construction scheme defined, what measuring went out upright bar on floor sets up the position line, and post-cast strip is determined
Position.Width is successively advised upright bar and bar of vertically and horizontally sweeping the floor, horizon bar by template construction scheme using post-cast strip both sides of the edge as boundary
Fixed step pitch is connected as a single entity, and independent alter-pouring strips mould plate support device is formed, wherein in the upright bar of alter-pouring strips mould plate support device
Equipped with steel plate, for preferably supporting alter-pouring strips mould plate.Include binding beam reinforced steel bar, steel wire installation during this.
In supporting module across the beam slab of post-cast strip, poured after being reserved in advance according to the construction method of beam slab side form bag bed die
The beam slab bottom of band sets up bed die, and side form installs when pouring post-cast strip concrete to facilitate, and side form wouldn't be set up, in order to rear
Pour the rubbish cleaning with position.
The absolute altitude of alter-pouring strips mould plate support device upper end vertical, horizontal bar should be controlled strictly, stupefied in laying flitch thereon, interior
The stupefied upper plywood form being laid with used in post-cast strip, should be uniformly levelling after plywood form installation.
S2, sets up post-cast strip both sides beam-slab template support device and installs post-cast strip both sides beam-slab template, poured after setting up
Two side template of two side mould plate supporting device of band and post-cast strip；Respectively since the both sides of post-cast strip to external expansion set up and and post-cast strip
Mould plate supporting device is connected as one with fastener.The position of beam slab should be accurately positioned first, marked under beam slab and supported on both sides
Upright bar point position, is then divided equally, the upright bar position of measuring ejecting plate between the frame that beam slab is formed by the spacing of arrangement and method for construction defined
Line is put, then the supported rod erecting of Bars In Poured Concrete Slab is positioned one by one, it is cast-in-place to refer to put up template at the scene, reinforcing bar is installed in template,
The casting concrete in template again, then form removal again, includes binding beam reinforced steel bar, steel wire installation during this.
Preferably, the upright bar of under beam and both sides is first set up, then carries out setting up for Bars In Poured Concrete Slab upright bar.Set along beam span direction
Upright bar spacing is half of the Bars In Poured Concrete Slab in this direction supported rod erecting spacing.
Typified form is made in the column template to slit with beam the combination that the template of the beam slab connector is prepared using four pieces of glued boards.
Wherein typified form includes panel, back rib.
Beam slab is integrated using setting glued board with interior stupefied group of nail, and the typified form of spelling, beam are carried out by steel pipe external fin
Plate bed die plate and side form be all provided with it is interior stupefied and outer stupefied, in beam bottom mother plate it is stupefied perpendicular to beam slab section set, it is outer it is stupefied parallel to beam slab cut
Face set, it is outer it is stupefied with it is interior stupefied vertical each other.It is stupefied in beam slab side form to be set along span of the beam and the plank direction, it is outer stupefied to be vertically vertically arranged.Root
Beam is reserved in template according to the size of beam slab to slit, gap periphery adds 50 × 100mm flitches.The column mould length that beam slits following should not
Less than 400mm.Stupefied vertical be laid on formwork-support cross bar is set in template, interior stupefied upper plane and formwork-support upright bar
Upper plane is concordant, is laid with glued board thereon.
S3, builds post-cast strip both sides beam slab and post-cast strip both sides concrete and after-pouring band beam-slab concrete, post-cast strip both sides
Concreting is to be poured with post-cast strip both sides to external expansion symmetrical equilibrium.The beam slab concreting of post-cast strip both sides is not stayed
Horizontal and vertical construction joint, continuous placing are completed, such as must intermittently, and should try one's best shortening therebetween, and will be in front layer concrete initial set
Before, sublevel concreting is finished.Cloth is uniform during concreting, prevents from concentrating windrow to cause cross to shake and supporting at one
Destroy.
Using preceding point, midpoint, 3 points of origin vibrate and it is secondary shake again by the way of to improve the bond stress of concrete and reinforcing bar,
Microcrack inside reducing, strengthens compactness, the Best Times of secondary vibration are generally when the completion 2-3 that vibrates for the first time is small.Two
It is secondary vibrate complete 2-3 it is small when, carry out concrete surface treatment, carry out secondary surface treatment altogether, struck off for the first time by absolute altitude with floating rule, use
Wooden float is polished, and after concrete receives water, secondary rubbed with the hands with wooden float is put down, to close contraction fissure.Covered immediately after surface treatment
Plastic film.After final set, water storing conservation, if special messenger is responsible for the maintenance of concrete, curing period, is not less than 14 days.
S4, removes post-cast strip both sides beam-slab template, after-pouring band beam-slab support device and post-cast strip both sides beam-slab template branch
Support arrangement.Side form on the inside of post-cast strip is removed after intensity reaches 1.2MPa after the completion of concreting, when dismounting pays attention to
The reinforcing bar in post-cast strip is protected, avoids because of firmly excessive and reinforcing bar deformation caused by crowbar position is unreasonable, distort.Band side form is poured to tear open
After removing, dabbing processing is carried out to post-cast strip both sides, so that post-cast strip is preferably combined together with post-cast strip both sides concrete, is kept away
Exempt from because new-old concrete connect stubble it is bad caused by after common quality defect.
Before cast-in-place integral mold plate is removed, reply consults concrete strength test report according to the position removed, it is necessary to reaches form removal
It can be carried out during intensity.Load-carrying members should be by different spans, and different component determines its strength of mould stripping.Beam slab side form is torn open with column mould
Except when, concrete strength will ensure that its surface and corner angle are not damaged because of form removal and can remove, during the form removable of both sides after
Pour and do not removed with independent supporting bar.
When beam slab bed die is removed, reply consults concrete strength test report according to the position removed, it is necessary to when reaching strength of mould stripping
Can carry out.Load-carrying members should be by different spans, and different component determines its strength of mould stripping.Form removable must be responsible for through technology
People is dismountable according to form removal advice note rear is provided by test cube in the same condition intensity.It should be carried out during form removal by established procedure, first
Torn open after branch, first tear load-bearing smaller portions open, when removing beam support column, first symmetrically carried out to both ends since span centre, template die plate is torn open
Carried out except subregion block-by-block is answered.
S5, since alter-pouring strips mould plate is due to installing overlong time, the more building waste of accumulation in it, is carrying out post-cast strip
Before concrete construction, need first to clear up it, absorbed rubbish therein using dust catcher.By post-cast strip position distortions and shifting
The reinforcing bar of position is adjusted, playbacks, and the binding node for the button that releases, leaks all re-starts binding.Post-cast strip concrete use than
Post-cast strip both sides concrete improves the expansive concrete of a grade and should first be filled out in new-old concrete interface before pouring
One layer of mortar with concrete with proportioning is built, carries out pouring for concrete again afterwards, should when 24 is small before the concreting of post-cast strip
Original concrete continuous is moistened, young concrete covering curing is tackled after pouring.
S6, removes alter-pouring strips mould plate and alter-pouring strips mould plate support device, before removing alter-pouring strips mould plate and mould plate supporting device,
Reply consults concrete strength test report according to the position removed, and post-cast strip concrete curing can be to rear when must reach strength of mould stripping
Band independent support device is poured to be removed.First tear bed die during dismounting open and then tear support system open again.Should be among post-cast strip to both sides
Expansion is removed.Due to the setting of Screw arbor with nut at both-ends, post-cast strip need not set up the support device that returns back to top at this time, and operation is more
It is convenient, and effect is more firm.
Form surfacing uses 15mm glued boards in the utility model, and intensity of shear is no less than 1.4N/mm2, bending strength
No less than 15N/mm2, elasticity modulus 6000N/mm4.
Back rib is using 38 × 88mm flitches, and flitch must cross plane with glued board contact surface, and intensity of shear should not be small
In 1.3N/mm2, bending strength is no less than 13N/mm2, elasticity modulus 9000N/mm4.
Upright bar in alter-pouring strips mould plate support device, vertically and horizontally sweeps the floor, and horizon bar uses steel pipe, and steel pipe uses caliber as φ
48 × 3.0mm, material are the steel pipe of Q235, its compression strength is not less than 205N/mm2.Fastener is using cast iron, fastener torsion
Square is not less than 45N.m；Steel plate thickness in alter-pouring strips mould plate support device upright bar is 3mm, and upright bar is little away from post-cast strip edge
In 200mm, bar of sweeping the floor is set away from ground 200mm positions, by design calculating and setting step pitch, upright bar top free ends are not greater than
300mm。
The utility model has the support system of alter-pouring strips mould plate independence, after being improved by improving post-cast strip casting method
The overall impression quality of band is poured, ensure that structure stress safety；Avoid that influence of the factor to post empiricism quality cannot be predicted,
Greatly enhance construction efficiency and can be cost-effective.
The technology contents and technical characteristic of the utility model have revealed that as above, but those skilled in the art still may be used
Teaching and announcement that can be based on the utility model and make a variety of replacements and modification without departing substantially from the utility model spirit, therefore, this
Utility model protection scope should be not limited to the revealed content of embodiment, and should include the various replacements without departing substantially from the utility model
And modification, and covered by present patent application claim.
Claims (3)
- A kind of 1. alter-pouring strips mould plate device, for pouring post-cast strip, it is characterised in that：The alter-pouring strips mould plate is set in the rear Band lower section is poured, Screw arbor with nut at both-ends is arranged with above the alter-pouring strips mould plate outside and post-cast strip, is equipped with the inside of the Screw arbor with nut at both-ends Steel pipe.
- 2. alter-pouring strips mould plate device according to claim 1, it is characterised in that：The Screw arbor with nut at both-ends is grown along the post-cast strip Spend direction to set, and Screw arbor with nut at both-ends described in each two is set at intervals of 300~700 millimeters.
- 3. alter-pouring strips mould plate device according to claim 1, it is characterised in that：Screw arbor with nut at both-ends described in each two sets interval For 500 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720580953.9U CN207296392U (en) | 2017-05-23 | 2017-05-23 | Alter-pouring strips mould plate device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720580953.9U CN207296392U (en) | 2017-05-23 | 2017-05-23 | Alter-pouring strips mould plate device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207296392U true CN207296392U (en) | 2018-05-01 |
Family
ID=62271907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720580953.9U Expired - Fee Related CN207296392U (en) | 2017-05-23 | 2017-05-23 | Alter-pouring strips mould plate device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207296392U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331667A (en) * | 2019-07-02 | 2019-10-15 | 中交二公局东萌工程有限公司 | When being open to traffic under execution conditions bridge joining method |
| CN111962862A (en) * | 2020-08-19 | 2020-11-20 | 苏州建鑫建设集团有限公司 | Structure for preventing base plate of laminated slab and post-cast strip from staggering and construction method |
-
2017
- 2017-05-23 CN CN201720580953.9U patent/CN207296392U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331667A (en) * | 2019-07-02 | 2019-10-15 | 中交二公局东萌工程有限公司 | When being open to traffic under execution conditions bridge joining method |
| CN111962862A (en) * | 2020-08-19 | 2020-11-20 | 苏州建鑫建设集团有限公司 | Structure for preventing base plate of laminated slab and post-cast strip from staggering and construction method |
| CN111962862B (en) * | 2020-08-19 | 2021-12-17 | 苏州建鑫建设集团有限公司 | Structure for preventing base plate of laminated slab and post-cast strip from staggering and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 |