CN106996190A - Post-cast strip template and post-cast strip pouring method - Google Patents
Post-cast strip template and post-cast strip pouring method Download PDFInfo
- Publication number
- CN106996190A CN106996190A CN201710367256.XA CN201710367256A CN106996190A CN 106996190 A CN106996190 A CN 106996190A CN 201710367256 A CN201710367256 A CN 201710367256A CN 106996190 A CN106996190 A CN 106996190A
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- cast strip
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- mould plate
- pouring
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 238000010276 construction Methods 0.000 claims abstract description 18
- 238000005266 casting Methods 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 239000002023 wood Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 description 4
- 238000010408 sweeping Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000011120 plywood Substances 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 208000012788 shakes Diseases 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000009416 shuttering Methods 0.000 description 1
- 239000002699 waste material Substances 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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
-
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/38—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings for plane ceilings of concrete
-
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a post-cast strip template which is used for casting a post-cast strip, the post-cast strip template is arranged below the post-cast strip, split screws are symmetrically arranged on the outer side of the post-cast strip template and the upper side of the post-cast strip, a steel pipe is arranged on the inner sides of the split screws, and an independent post-cast strip template supporting device is formed by taking two sides of the post-cast strip in the width direction as boundaries. The post-cast strip pouring method comprises a post-cast strip template supporting device, and a supporting process and a dismantling process of beam plate template supporting devices on two sides of the post-cast strip. The invention has the independent post-cast strip template supporting device, improves the overall impression quality of the post-cast strip, ensures the stress safety of the structure, improves the construction efficiency and can save the cost.
Description
Technical field
The present invention relates to a kind of construction engineering technical field, more particularly, to a kind of alter-pouring strips mould plate and the post-cast strip side of pouring
Method.
Background technology
Post-cast strip is the temporary construction seam set between floors, and the seam retains to be poured again after 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
The excessive and release of the restraint stress such as deformation that produces.And after the completion for the treatment of post empiricism, structure " is turned parts into the whole ", is largely subtracted again
Influence of the above-mentioned stress to structure is lacked, has reduced excessive setting permanent deformation and stitch.This " seam " is in total construction
Both the relative settlement between building, the contraction distortion by solving concrete, temperature stress deformation had been solved, while reach again
Do not set the purpose of permanent deformation seam.Because 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 displacement, protective layer control concrete surface impression quality after improper, form removal poor,
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 simultaneously, remove simultaneously.Because 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 carry out consolidation process, therefore after form removal support meanss, typically added using the anti-method pushed up
Gu processing.Anti- top construction method destroys the original stress balance state of mould plate supporting device in addition, rod member 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.
The content of the invention
It is an object of the invention to the defect for overcoming prior art, there is provided a kind of alter-pouring strips mould plate and the post-cast strip side of pouring
Method, by changing the erection method of formwork-support, improves the overall impression quality in post-cast strip, it is ensured that structure stress is steady, safety,
It is simultaneously cost-effective.
To achieve the above object, the present invention proposes following technical scheme：A kind of alter-pouring strips mould plate, for pouring post-cast strip,
The alter-pouring strips mould plate is arranged on below the post-cast strip, is arranged with the outside of the alter-pouring strips mould plate and above post-cast strip to drawing
Provided with steel pipe on the inside of screw rod, the Screw arbor with nut at both-ends, bandwidth direction both sides are poured after the alter-pouring strips mould plate support meanss to divide
Boundary line forms independent alter-pouring strips mould plate support meanss.
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 present invention, including after-pouring band beam-slab template, alter-pouring strips mould plate, after-pouring band beam-slab mould
The erection method of plate supporting device and alter-pouring strips mould plate support meanss, has steps of：
S1, sets up after-pouring band beam-slab template support meanss and installs after-pouring band beam-slab template, then set up post-cast strip mould first
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；Colligation beam reinforced steel bar, steel wire are installed；
S2, sets up post-cast strip both sides beam-slab template support meanss and installs post-cast strip both sides beam-slab template, poured after setting up
The side mould plate supporting device of band two and the side template of post-cast strip two, including colligation beam reinforced steel bar, steel wire are installed；
S3, pours post-cast strip both sides beam slab and the side template concrete of post-cast strip two 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 meanss 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 meanss；To ensure that the concreting of post-cast strip both sides is complete before dismounting
Authorized pressure is reached 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 meanss.
Preferably, after-pouring band beam-slab template support meanss described in the S1 steps and alter-pouring strips mould plate support meanss are taken
If including vertical rod, the setting up of bar and horizon bar of vertically and horizontally sweeping the floor, the vertical rod is provided with steel plate, wherein the width between the vertical rod
Spend for the width between the post-cast strip edge, the vertical rod, vertically and horizontally sweeping the floor is provided with a certain distance between bar and horizon bar,
And form independent alter-pouring strips mould plate support meanss.
Preferably, lumps of wood is equipped with the vertically and horizontally bar and horizon bar of the alter-pouring strips mould plate support meanss upper end
It is interior stupefied, it is stupefied in lumps of wood on be equipped with plywood form, laying after the completion of uniform level handle.
Preferably, post-cast strip both sides beam-slab template support meanss and the side mould plate supporting device of post-cast strip two in the step S2
Set up including below beam slab and setting up for both sides vertical rod and setting up for Bars In Poured Concrete Slab vertical rod, setting up first below the beam slab and two
Bars In Poured Concrete Slab vertical rod is set up in the vertical rod 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, the vertical rod spacing that post-cast strip both sides beam slab is set across direction is between equidirectional upper Bars In Poured Concrete Slab vertical rod
Away from 1/2nd.
Preferably, the concreting process described in the step S3 includes preceding point, midpoint, 3 vibrating methods of origin
And the secondary method shaken again, the bond stress to improve concrete and reinforcing bar, internal microcrack is reduced, enhancing compactness is described
The Best Times of secondary vibration vibrate in first time to be completed 2-3 hours.
Preferably, in the step 5 need to clearing up in alter-pouring strips mould plate before post-cast strip is poured, by post-cast strip
Position distortions and the reinforcing bar of displacement are adjusted, playbacked, and the colligation node for the button that releases, leaks all re-starts colligation.
The beneficial effects of the invention are as follows：Improve the overall impression quality in post-cast strip, it is ensured that structure stress safety；Avoid not
It is contemplated that influence of the factor to post empiricism quality, efficiency of construction is greatly enhanced and can be cost-effective.
Brief description of the drawings
Fig. 1 is the post-cast strip casting method flow chart of the present invention；
Fig. 2 is the post-cast strip template structure schematic diagram of the present invention.
Reference：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 accompanying drawing of the present invention, the technical scheme to the embodiment of the present invention carries out clear, complete description.
With reference to shown in Fig. 2, disclosed alter-pouring strips mould plate, the lower section of post-cast strip 1 is provided with alter-pouring strips mould plate 4,
Make the bottom end seal of post-cast strip 1 by alter-pouring strips mould plate 4, conveniently pour post-cast strip, the upper end of post-cast strip 1 need not cover post-cast strip
On template 4, the post-cast strip 1 and lower section of alter-pouring strips mould plate 4 is equipped with Screw arbor with nut at both-ends 5, it is described above and below Screw arbor with nut at both-ends 2 it is relative
Set, be 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 provided with symmetrical steel pipe 3, the outside of steel pipe 3
Provided 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
Pour 300~700 millimeters of 1 length direction of band to arrange a pair, the preferred embodiments of the present invention, as shown in Fig. 2 Screw arbor with nut at both-ends 2 every
Arranged a pair every 500 millimeters.Make post-cast strip 1 is even closer to be firmly fixed by the setting of Screw arbor with nut at both-ends 2, without again
It is secondary that the support meanss that post-cast strip returns back to top are set up to post-cast strip.
A kind of post-cast strip casting method of the present invention, including after-pouring band beam-slab template, alter-pouring strips mould plate, after-pouring band beam-slab mould
The erection method of plate supporting device and alter-pouring strips mould plate support meanss, specifically there is following steps：
S1, sets up after-pouring band beam-slab template support meanss and installs after-pouring band beam-slab template, then set up post-cast strip mould first
Plate supporting device and alter-pouring strips mould plate, set up process and are set up including vertical rod, vertically and horizontally sweep the floor bar and horizon bar, in post-cast strip
The vertical rod spacing of both sides template construction scheme defined, what measuring went out vertical rod on floor sets up the position line, and post-cast strip is positioned.
Width is using post-cast strip both sides of the edge as boundary, successively by vertical rod with vertically and horizontally sweeping the floor bar, horizon bar by template construction scheme defined
Step pitch be connected as a single entity, form independent alter-pouring strips mould plate support meanss, wherein set in the vertical rod of alter-pouring strips mould plate support meanss
There is steel plate, for preferably supporting alter-pouring strips mould plate.Include colligation beam reinforced steel bar, steel wire during this to install.
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 is installed when pouring post-cast strip concrete to facilitate, and side form wouldn't be set up, in order to rear
Pour the garbage-cleaning with position.
The absolute altitude of alter-pouring strips mould plate support meanss upper end vertical, horizontal bar should be controlled strictly, stupefied in laying flitch thereon, interior
Plywood form used in stupefied upper laying post-cast strip, plywood form should be uniformly levelling after installing.
S2, sets up post-cast strip both sides beam-slab template support meanss and installs post-cast strip both sides beam-slab template, poured after setting up
The side mould plate supporting device of band two and the side template of post-cast strip two；Set up and and post-cast strip to external expansion since the both sides of post-cast strip respectively
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
Vertical rod point position, is then divided equally between the framework of beam slab formation by the spacing of arrangement and method for construction defined, the vertical rod position of measuring ejecting plate
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 colligation beam reinforced steel bar, steel wire during this and installed.
Preferably, the vertical rod of under beam and both sides is first set up, then carries out setting up for Bars In Poured Concrete Slab vertical rod.Set along beam span direction
Vertical rod spacing is Bars In Poured Concrete Slab 1/2nd of this direction supported rod erecting spacing.
Typified form is made with the column template combination that beam slits using what four pieces of glued boards were prepared in the template of the beam slab joint.
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 post 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 vertical rod
Upper plane is concordant, and glued board is laid 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 is 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
Destruction.
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, general completion 2-3 hours of being vibrated in first time of the Best Times of secondary vibration.Two
Secondary completion 2-3 hours of vibrating, carries out concrete surface treatment, secondary surface treatment is carried out altogether, is struck off for the first time by absolute altitude with floating rule, use
Wooden float is polished, after concrete receives water, secondary to rub flat with the hands with wooden float, to close contraction fissure.Surface treatment is covered immediately after finishing
Plastic sheeting.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 meanss 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, noted during dismounting
Protect the reinforcing bar in post-cast strip, it is to avoid 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, 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 reach 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 post mould
Except when, concrete strength will ensure that its surface and corner angle are not damaged because of form removal and can removed, during the form removable of both sides after
The independent support rod member of band is poured not remove.
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 two ends since span centre, template die plate is torn open
Carried out except subregion block-by-block is answered.
S5, because 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, playbacked, and the colligation node for the button that releases, leaks all re-starts colligation.Post-cast strip concrete use than
Post-cast strip both sides concrete improves the expansive concrete of a grade and should first filled out in new-old concrete interface before pouring
One layer and mortar of the concrete with proportioning are built, pouring for concrete is carried out again afterwards, 24 hours before the concreting of post-cast strip should
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 meanss, removes before 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 in the middle of post-cast strip to both sides
Expansion is removed.Due to the setting of Screw arbor with nut at both-ends, now post-cast strip need not set up the support meanss that return back to top, and operation is more
It is convenient, and effect is more firm.
Form surfacing uses 15mm glued boards in the present invention, and intensity of shear is no less than 1.4N/mm2, and bending strength should not
Less than 15N/mm2, modulus of elasticity 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, modulus of elasticity 9000N/mm4.
Vertical rod in alter-pouring strips mould plate support meanss, vertically and horizontally sweeps the floor, and horizon bar uses steel pipe, and steel pipe uses caliber for φ
48 × 3.0mm, material is Q235 steel pipe, and its compression strength is not less than 205N/mm2.Fastener is using cast iron, fastener torsional moment
Not less than 45N.m；Steel plate thickness in alter-pouring strips mould plate support meanss vertical rod is 3mm, and vertical rod is not more than away from post-cast strip edge
200mm, bar of sweeping the floor is set away from ground 200mm positions, and by design calculating and setting step pitch, vertical rod top free ends cannot be greater than 300mm.
The present invention has the support system of alter-pouring strips mould plate independence, and post-cast strip is improved by improving post-cast strip casting method
Overall impression quality, it is ensured that structure stress safety；Avoid that influence of the factor to post empiricism quality cannot be predicted, very greatly
Efficiency of construction is improved in degree and can be cost-effective.
The technology contents and technical characteristic of the present invention have revealed that as above, but those skilled in the art still may base
Make a variety of replacements and modification without departing substantially from spirit of the present invention, therefore, the scope of the present invention in teachings of the present invention and announcement
The content disclosed in embodiment should be not limited to, and various replacements and modification without departing substantially from the present invention should be included, and is this patent Shen
Please claim covered.
Claims (10)
1. a kind of alter-pouring strips mould plate, for pouring post-cast strip, it is characterised in that：The alter-pouring strips mould plate is arranged on the post-cast strip
It is arranged with the outside of lower section, the alter-pouring strips mould plate and above post-cast strip on the inside of Screw arbor with nut at both-ends, the Screw arbor with nut at both-ends and is provided with steel pipe,
Bandwidth direction both sides are poured after the alter-pouring strips mould plate support meanss independent alter-pouring strips mould plate support dress is formed for line of demarcation
Put.
2. alter-pouring strips mould plate according to claim 1, it is characterised in that：The Screw arbor with nut at both-ends is along the post-cast strip length side
To setting, 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 according to claim 1, it is characterised in that：Described in each two Screw arbor with nut at both-ends set at intervals of
500 millimeters.
4. a kind of post-cast strip casting method, it is characterised in that including after-pouring band beam-slab template, alter-pouring strips mould plate, after-pouring band beam-slab
The erection method of mould plate supporting device and alter-pouring strips mould plate support meanss, it has steps of：
S1, sets up after-pouring band beam-slab template support meanss and installs after-pouring band beam-slab template, then set up alter-pouring strips mould plate branch first
Support arrangement and alter-pouring strips mould plate, beam slab bed die is only set up when template is set up at post-cast strip position, and the side form of after-pouring band beam-slab is reserved
Room；Colligation beam reinforced steel bar, steel wire are installed；
S2, sets up post-cast strip both sides beam-slab template support meanss and installs post-cast strip both sides beam-slab template, setting up post-cast strip two
Side mould plate supporting device and the side template of post-cast strip two, including colligation beam reinforced steel bar, steel wire are installed；
S3, pours 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 beam slab
Horizontal and vertical construction joint is not stayed in concreting, and continuous placing is completed；Or during interval before front layer concrete initial set, by sublevel
Concreting is finished；
S4, removes post-cast strip both sides beam-slab template, after-pouring band beam-slab support meanss and post-cast strip both sides beam-slab template support dress
Put, retain alter-pouring strips mould plate and alter-pouring strips mould plate support meanss；After the completion of ensureing the concreting of post-cast strip both sides before dismounting
Intensity reaches authorized pressure；
S5, cleaning post-cast strip, adjustment reinforcing bar, in post-cast strip both sides, concrete reaches the stipulated time, and settlement observation meets standard, enters
The concreting of row post-cast strip；
S6, when post-cast strip concrete reaches strength of mould stripping, removes alter-pouring strips mould plate and alter-pouring strips mould plate support meanss.
5. alter-pouring strips mould plate erection method according to claim 1, it is characterised in that：Post-cast strip described in the S1 steps
The setting up including vertical rod of beam-slab template support meanss and alter-pouring strips mould plate support meanss, vertically and horizontally sweep the floor bar and horizon bar are taken
If the vertical rod is provided with steel plate, wherein the width between the vertical rod is the width between the post-cast strip edge, the vertical rod,
Vertically and horizontally sweep the floor and a certain distance is provided between bar and horizon bar, and form independent alter-pouring strips mould plate support meanss.
6. the post-cast strip casting method according to claim 4 or 5, it is characterised in that：The alter-pouring strips mould plate support meanss
Be equipped with stupefied in lumps of wood on the vertically and horizontally bar and horizon bar of upper end, it is stupefied in lumps of wood on be equipped with glued board mould
Uniform level is handled after the completion of plate, laying.
7. post-cast strip casting method according to claim 4, it is characterised in that：Post-cast strip both sides beam slab in the step S2
Mould plate supporting device and the side mould plate supporting device of post-cast strip two set up including below beam slab and both sides vertical rod set up with it is cast-in-place
Plate vertical rod is set up, and Bars In Poured Concrete Slab vertical rod is set up in the vertical rod that below the beam slab and both sides are set up first again, when setting up respectively from rear
Pour band both sides to set up to external expansion, and connected as one with alter-pouring strips mould plate support meanss with fastener.
8. post-cast strip casting method according to claim 7, it is characterised in that：Post-cast strip both sides beam slab is across direction
The vertical rod spacing of setting is 1/2nd of equidirectional upper Bars In Poured Concrete Slab vertical rod spacing.
9. post-cast strip casting method according to claim 4, it is characterised in that：Concreting described in the step S3
During include preceding point, midpoint, 3 vibrating methods of origin and the secondary method shaken again, to improve bonding for concrete and reinforcing bar
Microcrack inside power, reduction, strengthens compactness, and the Best Times of the secondary vibration vibrate in first time to be completed 2-3 hours.
10. post-cast strip casting method according to claim 4, it is characterised in that：Poured in the step 5 in progress post-cast strip
Needed before building to being cleared up in alter-pouring strips mould plate, the reinforcing bar of post-cast strip position distortions and displacement is adjusted, playbacked, release,
The colligation node of leakage button all re-starts colligation.
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| CN108755984A (en) * | 2018-04-16 | 2018-11-06 | 五冶集团上海有限公司 | Late poured band support construction method based on concrete square column |
| CN109736589A (en) * | 2019-01-07 | 2019-05-10 | 中建六局土木工程有限公司 | A kind of lattice column Force transmission parts construction method |
| CN110306785A (en) * | 2019-07-25 | 2019-10-08 | 河南绿建建筑科技有限公司 | Steel concrete compound shear wall T-type node formwork for placing frame |
| 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 |
| CN112921821A (en) * | 2021-03-25 | 2021-06-08 | 成都城投建筑工程有限公司 | Capping beam section-by-section prefabricated assembly wet joint construction structure and construction method thereof |
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| CN110306785B (en) * | 2019-07-25 | 2024-05-17 | 河南绿建建筑科技有限公司 | T-shaped node pouring template frame for steel-concrete composite shear wall |
| CN112921821A (en) * | 2021-03-25 | 2021-06-08 | 成都城投建筑工程有限公司 | Capping beam section-by-section prefabricated assembly wet joint construction structure and construction method thereof |
| CN112921821B (en) * | 2021-03-25 | 2022-08-16 | 成都城投建筑工程有限公司 | Capping beam subsection prefabrication and assembly wet joint construction structure and construction method thereof |
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Application publication date: 20170801 |