CN110145124A - A kind of control shear wall level connects the reinforcement tools and its construction method of batch quality - Google Patents
A kind of control shear wall level connects the reinforcement tools and its construction method of batch quality Download PDFInfo
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- CN110145124A CN110145124A CN201910455095.9A CN201910455095A CN110145124A CN 110145124 A CN110145124 A CN 110145124A CN 201910455095 A CN201910455095 A CN 201910455095A CN 110145124 A CN110145124 A CN 110145124A
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- 239000010959 steel Substances 0.000 claims description 39
- 238000009434 installation Methods 0.000 claims description 23
- 238000009415 formwork Methods 0.000 claims description 16
- 238000004140 cleaning Methods 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000004873 anchoring Methods 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 7
- 239000004570 mortar (masonry) Substances 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000009408 flooring Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims description 5
- 239000002390 adhesive tape Substances 0.000 claims description 3
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- 239000000463 material Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
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Classifications
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- 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
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
- E04G11/085—End form panels for walls
-
- 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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
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Abstract
The present invention relates to the reinforcement tools that a kind of control shear wall level connects batch quality, including tapered cup nut, tapered cup nut is removably connected with tool bolt or fastening bolt, fastening bolt is connected with locker, tool bolt is for fixing tapered cup nut, tool bolt is placed on the outside of exterior sheathing, tapered cup nut is by tool bolt fastening on the inside of exterior sheathing, locker includes a plate, plate is equipped with bolt hole, plate is vertically connected with a fixed plate, fixed plate is equipped with arc groove, bolt hole connects fastening bolt, arc groove is on main joist in fixed plate, the invention also discloses its construction methods.The invention has the benefit that reinforcement tools production is simple, stress is reliable, scene is easy to loading and unloading quick, and fixed system safety and firmness can repeatedly use, greatly reduce the difficulty and labor intensity of workers of high altitude operation, simplify working procedure, reduce artificial investment, realization reduces cost, improves work efficiency, it accelerates construction progress, there is good promotional value.
Description
Technical field
The present invention relates to cast-in-place shear wall template mounting technique fields, it particularly relates to which a kind of control shear wall is horizontal
Connect the reinforcement tools and its construction method of batch quality.
Background technique
In conventional cast-in-place shear wall template system, when escalator and exterior wall interlayer handover position are constructed, joint part template
The pressure of receiving is maximum, needs to the independent consolidation process of template at this node, to resist in concreting process to template
Lateral pressure and other loads, prevent upper wall root from rising mould.If formwork joint design and reinforcing deficiency, joint part reason be not tight
It is close, it easily generates and runs the common quality defects such as mode ship slurry, wall faulting of slab ends, the perception after influencing cast-in-place structural entity quality and molding component
Effect.In currently available technology, shear wall level connects batch position template and reinforces mainly using following two method:
1, split bolt method: during lower layer's wall construction, pre-buried PVC casing, water in the wall of 120mm below floorboard bottom surface
Flat spacing is not more than 600mm.It is hung when upper wall is constructed, under external mold to 200mm below board bottom, is worn in PVC casing to drawing spiral shell
Bolt, lower layer's inner wall surface lay steel tube framework, with external mold steel pipe main joist with the locking of split bolt drawknot；Flooring plate top surface with
With split bolt drawknot medial and lateral template at upper 200mm, joint part formwork reinforcement is realized by upper and lower twice split bolt.This
Multi-process handling for kind construction method, and template and keel need to lengthen configuration, and material investment is big, and needs manually to match in lower chamber
It closes, lower layer's roof timbering is not yet removed when upper wall is constructed, and operates time-consuming and laborious, higher cost, and working efficiency is low；External mold peace
It needs to add temporary support when dress, increases the difficulty of the artificial, investment of auxiliary material and high altitude operation；Common mountain type is stuck in
Template joint part is not easy to lock, and running, stripped thread or failure by shear are easy to produce under the action of concrete lateral pressure, is successively influenced
More bolts, and then whole quick-fried mould accident occurs.
2, pre embedded bolt method: lower layer's wall, plate construction period, the pre-buried fastening screw in beam slab, away from beam slab top surface 60mm, water
Flat spacing is not more than 600mm.When upper wall is constructed, external mold hangs 150mm production by layer relative superiority or inferiority, and corresponding pre embedded bolt position drills out
Bolt hole, screw rod are fastened on steel pipe main joist after penetrating external mold, mouth under template are locked；In the above 200mm of flooring plate top surface
Split bolt drawknot medial and lateral template is sentenced, joint part template is reinforced by split bolt and pre embedded bolt.This construction method
Unfavorable factor is more, and template and keel need to lengthen configuration, and material puts into larger, higher cost；After walls concrete pours, external mold
On there are a large amount of screw rods to pass through, cause form removable to be not easy；And pre embedded bolt is excessively close away from outrigger, and external mold is difficult to outer shifting and above mentions,
First template outside screw rod must be cut away, external mold can be removed, not only increase the difficulty of cost of labor and high altitude operation, but also increase
Add operational sequence, influences construction speed；External mold will also carry out secondary cut, the screw rod of excision to remaining screw head after removing
It cannot reuse, very big waste is caused to manpower and material resources.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
For above-mentioned technical problem in the related technology, the object of the present invention is to provide a kind of control shear wall levels to connect stubble
The reinforcement tools of quality overcome deficiency in the prior art.
The purpose of the present invention is be achieved through the following technical solutions: a kind of control shear wall level connects the reinforcing of batch quality
Tool, including tapered cup nut, the tapered cup nut are removably connected with tool bolt or fastening bolt, the fastening bolt and lock
Tight device is connected, and the tool bolt is placed on the outside of exterior sheathing for fixing the tapered cup nut, the tool bolt, the cone
For shape nut through the tool bolt fastening on the inside of exterior sheathing, the locker includes a plate, and the plate is equipped with spiral shell
Keyhole, the plate are vertically connected with a fixed plate, and the fixed plate is equipped with arc groove, and the bolt hole connects the fastening
Bolt, the arc groove is on main joist in the fixed plate.
Further, the tool bolt includes screw rod and nut, and the fastening bolt includes screw rod and nut.
Further, the model M16 of the tapered cup nut, the tool bolt and the fastening bolt, the taper
The upper bottom surface diameter 24mm of nut, bottom surface diameter 44mm, the tool bolt length 60mm of the tapered cup nut are described tight
Fixing bolt length 185mm.
It is special the object of the present invention is to provide the construction method that a kind of control shear wall level connects the reinforcement tools of batch quality
Sign is: the following steps are included:
S1, template are prepared
According to wall structure size design template allocation plan, and draw matching die figure；
S2, the binding of lower layer's wall steel bar and template installation
Lower layer's wall steel bar is bound, branch makes a layer wall side form, installs steel pipe main joist, penetrates Screw arbor with nut at both-ends and diagonal brace reinforcing is arrived
Position；
S3, embedded conical nut
After lower layer's shear wall formwork is installed, it is ferreted out horizontal elevation line on external mold, is drilled out on external mold according to elevation line
Tapered cup nut is corresponded to bolt hole and is placed on the inside of external mold, through tool bolt fastening in template by bolt hole；
S4, lower layer's wall, board concrete pour
After inspection declaration is checked and accepted, lower layer's wall, board concrete are poured using cast in place process, when concrete removal side form, first extracting tool
Then bolt removes external mold, and cement slurry at cleaning cone shape nut silk mouth immediately；
S5, anchoring fastening bolt
Fastening bolt screw-in is embedded in the intracorporal tapered cup nut of lower layer's wall, and holds out against walls concrete, level anchoring is firm；
S6, vertical medial and lateral template is propped up
One of sponge adhesive tape mortar leakage prevention is pasted in the horizontal joint part of wall top first, metope carries out template installation after cleaning out,
Upper layer external mold is in place as support block-by-block using the fastening bolt of level anchoring, and formwork edge joint is sealed with sandwich rubber band to be glued tightly, interim to draw
After knot is fixed, PVC casing is penetrated in split bolt position, the synchronous vertical inner side template of branch guarantees two sides template bolt hole site pair
It answers, in the bolt hole that Screw arbor with nut at both-ends both ends are respectively penetrated to two side templates；
S7, installation main joist and steel locker
The steel pipe main joist of side form is installed from bottom to top, external mold most descends row's main joist using single steel pipe, abuts against and connect batch position
On the outside of template secondary joist, the bolt hole of steel locker lower part is inserted in fastening bolt, top is stuck in the main dragon of single steel pipe of external mold
On bone, the formwork reinforcement for connecing batch position is completed by steel locker clamping external mold main joist and fastening bolt；
S8, split bolt are reinforced
Since at the above 200mm of flooring plate top surface, inside and outside mould is all made of double steel pipe main joist and split bolt drawknot is inside and outside
Side template, is inserted in mountain type card and fastening nut, and synchronous installation template inner support locks medial and lateral template；
S9, correction and examination
After the completion of shear wall formwork installation in upper layer is reinforced, stopend bottom gap, according to the template contral ray examination in base
Whether template position is accurate, and discovery deviation should adjust in time；
S10, upper walls, board concrete are poured
Wall form and bracing reinforcement situation, reinforcing bar binding installation situation are through inspection declaration examination after-pouring walls concrete, concrete
In process of vibrating, be subject to concrete surface no longer significantly sink, no longer there is bubble, surface glows mortar；
S11, dismounting reinforcement tools, cleaning are spare
After shear wall concrete reaches dismounting intensity, disassembly bearing diagonal, then successively dismounting steel locker and main joist first is taken out
Screw arbor with nut at both-ends out, then block-by-block remove side form, finally unscrew and unload fastening bolt.
The invention has the benefit that reinforcement tools production is simple, stress is reliable, and scene is easy to loading and unloading quick, fixed system
System safety and firmness, can repeatedly use, compared with conventional construction method, shear wall level not only can be effectively controlled and connect stubble
Construction quality, and external mold and keel are reduced in the lower extension size of joint part, save a large amount of material investment, while horizontal anchor
Solid temporary support of fastening bolt when can be used as outer side mold installation, wall pours rear external mold and is more easier to remove, and greatly drops
The low difficulty and labor intensity of workers of high altitude operation, simplifies working procedure, reduces artificial investment, realization reduce cost,
Work efficiency is improved, is accelerated construction progress, is the ideal tools that cast-in-place shear wall interlayer jointing form is reinforced, there is good promotion price
Value.
Detailed description of the invention
Below according to attached drawing, invention is further described in detail.
Fig. 1 is the reinforcement tools tapered cup nut knot that a kind of control shear wall level described in the embodiment of the present invention connects batch quality
Structure schematic diagram；
Fig. 2 is that a kind of reinforcement tools tool bolt arrangement that control shear wall level connects batch quality described in the embodiment of the present invention shows
It is intended to；
Fig. 3 is that a kind of reinforcement tools fastening bolt structure that control shear wall level connects batch quality described in the embodiment of the present invention shows
It is intended to；
Fig. 4 is the reinforcement tools locker structural representation that a kind of control shear wall level described in the embodiment of the present invention connects batch quality
Figure；
Fig. 5 is the reinforcement tools locker structural representation that a kind of control shear wall level described in the embodiment of the present invention connects batch quality
Figure；
Fig. 6 is the reinforcement tools use state signal that a kind of control shear wall level described in the embodiment of the present invention connects batch quality
Figure；
Fig. 7 is the reinforcement tools use state signal that a kind of control shear wall level described in the embodiment of the present invention connects batch quality
Figure；
Fig. 8 is A enlarged drawing in Fig. 7.
In figure: 1, tapered cup nut；2, tool bolt；3, fastening bolt；4, locker；41, plate；42, bolt hole；43,
Fixed plate；44, arc groove；5, template；6, main joist.
Specific embodiment
Embodiment 1
As shown in Figs. 1-5, a kind of control shear wall level described in the embodiment of the present invention connects the reinforcement tools of batch quality, including cone
Shape nut 1, the tapered cup nut 1 are removably connected with tool bolt 2 or fastening bolt 3, the fastening bolt 3 and locker 4
It is connected, the tool bolt 2 is placed in 5 outside of exterior sheathing, the cone for fixing the tapered cup nut 1, the tool bolt 2
Shape nut 1 is anchored on 5 inside of exterior sheathing by the tool bolt 2, and the locker 4 includes a plate 41, the plate 41
It is equipped with bolt hole 42, the plate 41 is vertically connected with a fixed plate 43, and the fixed plate 43 is equipped with arc groove 44, described
Bolt hole 42 connects the fastening bolt 3, and the arc groove 44 is on main joist 6 in the fixed plate 43.
In one particular embodiment of the present invention, the tool bolt 2 includes screw rod and nut, the fastening bolt 3
Including screw rod and nut.
In one particular embodiment of the present invention, the tapered cup nut 1, the tool bolt 2 and the fastening bolt 3
Model M16, the upper bottom surface diameter 24mm of the tapered cup nut 1, the bottom surface diameter 44mm of the tapered cup nut 1, it is described
Tool bolt 2 length 60mm, the 3 length 185mm of fastening bolt.
Embodiment 2
A kind of construction method for controlling shear wall level and connecing the reinforcement tools of batch quality, comprising the following steps:
S1, template are prepared
According to wall structure size design template allocation plan, and matching die figure is drawn, carried out according to matching die figure concentration with mould, it is insufficient
It cuts and supplies at whole plate, while calculating the arrangement spacing for determining split bolt according to structure stress, generally spacing should not surpass in length and breadth
600mm is crossed, the laying of split bolt follows down close thin principle, row's split bolt is most descended not to be preferably greater than away from member bottom section
200mm, most upper row's split bolt are not preferably greater than 250mm, the lateral pressure that reasonable distribution template is born away from component top.
Wall side form hangs 60mm production by layer relative superiority or inferiority using the thick two-sided overlay film wood glue template piecemeal production of 15mm, external mold, according to
Split bolt spacing drills out bolt hole, and template used, keel must assure that thickness is identical in same work surface, and secondary joist uses
The consistent lumps of wood of specification, it is desirable that two-sided cross is dug, straight no deformation, and clear space is away from should not exceed 200mm, with very little nail by between 300mm
Away from by template and secondary joist stickfast.
S2, the binding of lower layer's wall steel bar and template installation
Correction lower layer gets rid of raft and indulges muscle position, first binds prefabricated vertical ladder muscle and horizontal ladder muscle, then binds wall distribution
Reinforcing bar, outside, including vertical muscle, the first vertical muscle of spreading wears horizontal bar to wall horizontal bar again, first horizontal bar away from bottom plate 50mm,
Then horizontal bar is installed according to vertical ladder muscle stepping spacing, all reinforcing bar crosspoints are all made of 20#, and to tie up silk point-by-point at eight word buttons
It binds, using double F steel-fastening muscle command displacements between the double reinforcing bar of wall, cushion block of concrete bar protective layer is arranged in horizontal bar outside, in plum
Flower-shaped arrangement, spacing 600mm.
Branch makes a layer wall side form later, installs steel pipe main joist, penetrates Screw arbor with nut at both-ends and diagonal brace is reinforced in place.
S3, embedded conical nut
After lower layer's shear wall formwork is installed, the horizontal elevation line of top plate or less 60mm is ferreted out on external mold, according to elevation line
The bolt hole of diameter 18mm is drilled out on external mold, horizontal space is not more than 600mm.M16 tapered cup nut is corresponded to bolt hole to be placed in
On the inside of external mold, through M16 tool bolt fastening in template, the intracorporal pre-buried structure of wall is formed in after lower layer's shear wall pours
It makes, tapered cup nut scheme of installation is shown in Fig. 6.
S4, lower layer's wall, board concrete pour
After-pouring lower layer wall, board concrete are checked and accepted through inspection declaration, using wall, plate integral cast-in-situ technique, concrete strength reaches
Side form is removed when 1.2MPa, is first dismantled M16 tool bolt, is then removed external mold, and cement at cleaning cone shape nut silk mouth immediately
Slurry.
S5, anchoring M16 fastening bolt
M16 fastening bolt screw-in is embedded in the intracorporal M16 tapered cup nut of lower layer's wall, screw-in depth 45mm, and holds out against wall
Concrete, level anchoring are firm.
S6, vertical medial and lateral template is propped up
The template of dismounting is cleared up through plate face, after brushing interleaving agent, is communicated up and is installed upper layer shear wall formwork.First in wall top water
Flat joint part pastes one of sponge adhesive tape mortar leakage prevention, and metope carries out template installation after cleaning out；Upper layer external mold is with horizontal anchor
Solid M16 fastening bolt be that support block-by-block is in place, formwork edge joint sealed with sandwich rubber band it is viscous tight, after interim drawknot is fixed, right
Bolt location is drawn to penetrate PVC casing；The synchronous vertical inner side template of branch, aligns root position according to template contral line, guarantees two side forms
Crab bolt hole site is corresponding, in the bolt hole that Screw arbor with nut at both-ends both ends are respectively penetrated to two side templates；Cope with Zhi Liqi's after formwork erection
Template supports in time to be consolidated, and template is avoided to topple.
S7, installation main joist and steel locker
The steel pipe main joist of side form is installed from bottom to top, external mold most descends row's main joist using single steel pipe, abuts against and connect batch position
On the outside of template secondary joist, 18 bolt hole of ￠ of steel locker lower part is inserted in M16 fastening bolt, top is stuck in single steel of external mold
On pipe main joist, locking M16 lengthens nut, and mouth under external mold is locked, steel locker clamping external mold main joist and M16 are passed through
Fastening bolt is completed to connect the formwork reinforcement at batch position, and shear wall level connects a batch organigram and sees Fig. 7.
S8, installation main joist and steel locker
Since at the above 200mm of flooring plate top surface, inside and outside mould is all made of in double steel pipe main joist and M12 split bolt drawknot,
Outboard template, vertical spacing are not more than 600mm.Screw arbor with nut at both-ends is placed between double steel pipe main joist, mountain type card and fastening are inserted in
Nut, synchronous installation template inner support, medial and lateral template is locked, diagonal brace is added and pull rod is secured by shuttering supporting.
S9, correction and examination
After the completion of shear wall formwork installation in upper layer is reinforced, stopend bottom gap avoids root concrete spillage；Clear up template
Interior sundries and watering is wet, but should not have ponding in template；Template keeps clean and brushes to be isolated with the contact surface of concrete
Agent, but must not be using the interleaving agent for influencing structural behaviour or decorative engineering being interfered to construct；According to the template contral line inspection in base
It whether accurate looks into template position, checks whether mold plate verticality is qualified using guiding ruler, discovery deviation should adjust in time, and template is vertical
Degree is adjusted by the adjustable screw of bearing diagonal；The axis shift and top surface absolute altitude for checking template installation detect mould with steel ruler
Whether consistent intralamellar part size checks Diagonal Dimension, it is ensured that template installation quality meets the requirement of design and construction specification.
S10, upper walls, board concrete are poured
Wall form and bracing reinforcement situation, reinforcing bar binding installation situation are through inspection declaration examination after-pouring walls concrete, using quotient
Product concrete pump is sent into mould, wall, plate one-piece casting；It is same with walls concrete that in bottom 50~100mm thickness is uniformly laid with before pouring
Match ratio subtracts stone concrete, with paving with pouring, must not hopper directly pour into mould；Walls concrete is layered blanking, stringent to control
It makes every layer and enters mould thickness no more than 1.25 times of vibrating spear effective interaction lengths, that is, be no more than 45cm；It is suitable using poker vibrator
Casting direction vibrates, vibration point answer it is evenly distributed, spacing control in 400mm or so, must not omit, not allow to be paved with vibrating spear mixed
Solidifying soil.
During concrete vibrating, preferably vibrating spear is slightly twitched up and down, so as to vibrate up and down uniformly, between vibrating spear is mobile
Away from 1.5 times no more than vibrating spear operating radius, and collision reinforcing bar, template, embedded part and electrical junction box should be avoided；Vibrate the layer
When concrete, it to be inserted into 5cm in lower-layer concrete, every vibrating time is advisable with 20~30s, no longer significant with concrete surface
Sink, bubble no longer occur, surface glows subject to mortar；Special messenger is arranged to check that template and support system are steady during concreting
Pledge love condition, prevent contingency, can carry out smoothing out receipts face after vibrating.
S11, dismounting reinforcement tools, cleaning are spare
Shear wall concrete strength reaches 1.2Mpa, guarantees to remove side form after its surface and corner angle are not damaged because of form removal；
Bearing diagonal is dismantled first, then successively removes steel locker and main joist, extracts Screw arbor with nut at both-ends out, then block-by-block removes side form, finally
It unscrews and unloads M16 fastening bolt；Impact load should not be formed to floor when demoulding, when part has concrete to adsorb or be bonded template
When, it can gently be agitated in mouth seam crossing under template with crowbar, forbid tapping template；Plate face cleaning is carried out after form removable in time,
Brushing interleaving agent, prevents adhesive mortar, clears to storage place to classify by specification and stack；
The components such as the steel locker of disassembly, fastening bolt collect cleaning in time, remove surface plaster, in case continuing turnover makes
With.
In conclusion by means of above-mentioned technical proposal of the invention, simple structure is convenient to mount and dismount, safety and stability, versatility
By force, the characteristics such as turnover rate height eliminate current cast-in-place shear wall level and connect generally existing rise mode ship slurry, the interlayer faulting of slab ends etc. in batch position
Mass defect, effectively prevent because interlayer wall body vertical degree and flatness it is exceeded caused by pick chisel rejection and waste, improve cast-in-place cut
Perception effect after the entity quality and molding component of power wall construction.
The present invention is not limited to above-mentioned preferred forms, anyone can show that other are various under the inspiration of the present invention
The product of form, however, make any variation in its shape or structure, it is all that there is skill identical or similar to the present application
Art scheme, is within the scope of the present invention.
Claims (4)
1. a kind of control shear wall level connects the reinforcement tools of batch quality, including tapered cup nut (1), it is characterised in that: the cone
Shape nut (1) is removably connected with tool bolt (2) or fastening bolt (3), and the fastening bolt (3) is connected with locker (4)
It connects, the tool bolt (2) is for fixing the tapered cup nut (1), and the tool bolt (2) is placed on the outside of exterior sheathing (5), institute
It states tapered cup nut (1) to be anchored on the inside of exterior sheathing (5) by the tool bolt (2), the locker (4) includes a plate
(41), the plate (41) is equipped with bolt hole (42), and the plate (41) is vertically connected with a fixed plate (43), the fixation
Plate (43) is equipped with arc groove (44), bolt hole (42) connection fastening bolt (3), described on the fixed plate (43)
Arc groove (44) is on main joist (6).
2. the reinforcement tools that a kind of control shear wall level according to claim 1 connects batch quality, it is characterised in that: described
Tool bolt (2) includes screw rod and nut, and the fastening bolt (3) includes screw rod and nut.
3. the reinforcement tools that a kind of control shear wall level according to claim 1 or 2 connects batch quality, it is characterised in that:
The model M16 of the tapered cup nut (1), the tool bolt (2) and the fastening bolt (3), the tapered cup nut (1)
Upper bottom surface diameter 24mm, bottom surface diameter 44mm, tool bolt (2) the length 60mm of the tapered cup nut (1) are described tight
Fixing bolt (3) length 185mm.
4. a kind of connect a batch construction method for quality reinforcement tools using control shear wall level described in claim 1, feature exists
In: the following steps are included:
S1, template are prepared
According to wall structure size design template allocation plan, and draw matching die figure；
S2, the binding of lower layer's wall steel bar and template installation
Lower layer's wall steel bar is bound, branch makes a layer wall side form, installs steel pipe main joist, penetrates Screw arbor with nut at both-ends and diagonal brace reinforcing is arrived
Position；
S3, embedded conical nut
After lower layer's shear wall formwork is installed, it is ferreted out horizontal elevation line on external mold, is drilled out on external mold according to elevation line
Tapered cup nut is corresponded to bolt hole and is placed on the inside of external mold, through tool bolt fastening in template by bolt hole；
S4, lower layer's wall, board concrete pour
After inspection declaration is checked and accepted, lower layer's wall, board concrete are poured using cast in place process, when concrete removal side form, first extracting tool
Then bolt removes external mold, and cement slurry at cleaning cone shape nut silk mouth immediately；
S5, anchoring fastening bolt
Fastening bolt screw-in is embedded in the intracorporal tapered cup nut of lower layer's wall, and holds out against walls concrete, level anchoring is firm；
S6, vertical medial and lateral template is propped up
One of sponge adhesive tape mortar leakage prevention is pasted in the horizontal joint part of wall top first, metope carries out template installation after cleaning out,
Upper layer external mold is in place as support block-by-block using the fastening bolt of level anchoring, and formwork edge joint is sealed with sandwich rubber band to be glued tightly, interim to draw
After knot is fixed, PVC casing is penetrated in split bolt position, the synchronous vertical inner side template of branch guarantees two sides template bolt hole site pair
It answers, in the bolt hole that Screw arbor with nut at both-ends both ends are respectively penetrated to two side templates；
S7, installation main joist and steel locker
The steel pipe main joist of side form is installed from bottom to top, external mold most descends row's main joist using single steel pipe, abuts against and connect batch position
On the outside of template secondary joist, the bolt hole of steel locker lower part is inserted in fastening bolt, top is stuck in the main dragon of single steel pipe of external mold
On bone, the formwork reinforcement for connecing batch position is completed by steel locker clamping external mold main joist and fastening bolt；
S8, split bolt are reinforced
Since at the above 200mm of flooring plate top surface, inside and outside mould is all made of double steel pipe main joist and split bolt drawknot is inside and outside
Side template, is inserted in mountain type card and fastening nut, and synchronous installation template inner support locks medial and lateral template；
S9, correction and examination
After the completion of shear wall formwork installation in upper layer is reinforced, stopend bottom gap, according to the template contral ray examination in base
Whether template position is accurate, and discovery deviation should adjust in time；
S10, upper walls, board concrete are poured
Wall form and bracing reinforcement situation, reinforcing bar binding installation situation are through inspection declaration examination after-pouring walls concrete, concrete
In process of vibrating, be subject to concrete surface no longer significantly sink, no longer there is bubble, surface glows mortar；
S11, dismounting reinforcement tools, cleaning are spare
After shear wall concrete reaches dismounting intensity, disassembly bearing diagonal, then successively dismounting steel locker and main joist first is taken out
Screw arbor with nut at both-ends out, then block-by-block remove side form, finally unscrew and unload fastening bolt.
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| CN111894269A (en) * | 2020-07-06 | 2020-11-06 | 五冶集团上海有限公司 | Construction method for reinforcing structure of wall and column external mold |
| CN113374254A (en) * | 2021-06-28 | 2021-09-10 | 中冶建工集团有限公司 | Construction method for improving forming quality of junction of new and old cast-in-place concrete walls |
| CN114856186A (en) * | 2022-04-02 | 2022-08-05 | 广东天凛高新科技有限公司 | Opposite pulling device for quickly positioning, locking and disassembling template and application method thereof |
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