CN110524678A - The oblique prefabricated superimposed sheet of muscle out of one kind and preload are to drawing formwork erecting structure and construction method - Google Patents
The oblique prefabricated superimposed sheet of muscle out of one kind and preload are to drawing formwork erecting structure and construction method Download PDFInfo
- Publication number
- CN110524678A CN110524678A CN201910923598.4A CN201910923598A CN110524678A CN 110524678 A CN110524678 A CN 110524678A CN 201910923598 A CN201910923598 A CN 201910923598A CN 110524678 A CN110524678 A CN 110524678A
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- Prior art keywords
- muscle
- beard
- superimposed sheet
- beard muscle
- bending
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- 210000003205 muscle Anatomy 0.000 title claims abstract description 157
- 238000010276 construction Methods 0.000 title claims abstract description 26
- 238000009415 formwork Methods 0.000 title claims description 22
- 230000036316 preload Effects 0.000 title claims description 17
- 238000005452 bending Methods 0.000 claims abstract description 80
- 238000009434 installation Methods 0.000 claims abstract description 5
- 239000004567 concrete Substances 0.000 claims description 15
- 239000003292 glue Substances 0.000 claims description 9
- 230000003447 ipsilateral effect Effects 0.000 claims description 9
- 239000006260 foam Substances 0.000 claims description 8
- 238000005266 casting Methods 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000007796 conventional method Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 2
- 239000011120 plywood Substances 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The present invention relates to a kind of oblique prefabricated superimposed sheets of muscle out, including superimposed sheet ontology, the oblique bending of the beard muscle of superimposed sheet ontology cohesive end has bending part, compared with traditional straight beard muscle, the superimposed sheet beard muscle of the application has bending part, reduces extension, superimposed sheet can be with Fast Installation by slant setting, it avoids the top longitudinal reinforcement of superimposed sheet beard muscle and Vierendeel girder from generating collision, accelerates construction efficiency, reduce labor workload.
Description
Technical field
The present invention relates to a kind of oblique prefabricated superimposed sheet of muscle out and pre-tighten to drawing formwork erecting structure and construction method.
Background technique
Assembly concrete building is referred in body structure portion or is all assembled using precast concrete
Reinforced concrete structure building.In order to guarantee that the holistic resistant behavior of precast reinforced concrete structure is equal with whole structure of pouring,
It needs to take corresponding reliable construction measure and construction method, pre-erection, cast-in-place part, node in guarantee fabricated construction
Etc. can cooperate, and ensure that its stress performance pours structure at or above whole.
Currently, beam column uses cast-in-place construction, plate is also one of common form of construction work now using prefabricated superimposed sheet, still
Prefabricated superimposed sheet and beams of concrete are used in floor when cast-in-place concrete beam width is larger, to need to use in cast-in-place system
When four limbs stirrup, there are collision problems for back longitudinal reinforcement and superimposed sheet overhanging " beard muscle ".
Summary of the invention
In view of the deficiencies in the prior art, technical problem to be solved by the invention is to provide a kind of oblique prefabricated overlappings of muscle out
Plate and preload are not only simple in structure, and convenient and efficient to formwork erecting structure and construction method is drawn.
In order to solve the above-mentioned technical problem, the technical scheme is that it is a kind of it is oblique go out the prefabricated superimposed sheet of muscle, including it is folded
Plywood ontology, the oblique bending of the beard muscle of superimposed sheet ontology cohesive end have bending part.
Preferably, bending part is bent downwardly 45 degree.
It is a kind of using it is oblique go out the prefabricated superimposed sheet of muscle preload to drawing formwork erecting structure, including beam forms and be symmetrically positioned in beam
The plank sheathing of template two sides is provided with unidirectional superimposed sheet on plank sheathing, and two unidirectional superimposed sheets include superimposed sheet ontology, overlapping
The oblique bending of the beard muscle of plate ontology cohesive end has a bending part, between the correspondence bending part of the adjacent cohesive end of two unidirectional superimposed sheets
It is pre-tightened through hoop body and drawing is connected.
Preferably, plank sheathing upper surface is provided with foam glue strip at the beam forming cavity accent edge of beam forms, unidirectional folded
Plywood is both placed in plank sheathing upper surface, and foam glue strip is pressed on unidirectional superimposed sheet lower surface.
Preferably, plank sheathing is symmetricly set on the two opposite edges side of beam forming cavity accent of beam forms；Beam forms includes perpendicular
To support frame, vertical supporting top of the trellis is provided with keel, woodbox is provided at the top of keel, being provided at the top of woodbox has to lacing wire
Beam forming cavity；Plank sheathing bottom is provided with keel, the cohesive end of plank sheathing with the beam forming cavity accent of ipsilateral beam forms
Edge flushes；It is disposed with beam in the beam forming cavity of beam forms and indulges muscle and beam stirrup, is to pacify between longitudinal two adjacent beam stirrups
Fill the space of hoop body.
Preferably, hoop body is lacing wire sleeve, and lacing wire sleeve includes sleeve body, and the inside both ends of sleeve body are equipped with spiral shell
To opposite internal thread hole, every end internal thread hole is bolted with the pull hook in " J " font, the hook part of pull hook and ipsilateral bending part
To hook.
Preferably, hoop body is common stirrup.
It is a kind of using it is oblique go out the prefabricated superimposed sheet of muscle preload to draw formwork erecting structure construction method, according to the following steps into
Row: (1) in precast plant, on the basis of traditional unidirectional superimposed sheet, the extension elongation of beard muscle is reduced, and inside superimposed sheet
The beard muscle of board ends is bent downward 45 degree in advance in reinforcing bar process of binding；(2) the vertical supporting frame of beam forms is arranged, then
Keel are installed on vertical supporting frame, and arrange two pieces of rectangle woodboxs in beam forming cavity bottom template to guarantee that load is uniform
It is delivered on beam bottom keel, then lacing wire support drawing by rectangle woodbox in the setting of beam forming cavity both sides side template
The lateral pressure of template when anti-casting concrete, the deformation of beam when preventing casting concrete, finally from beam forming cavity accent side
Foam glue strip is placed in plank sheathing upper surface at edge, then according to conventional construction method, first interts beam and indulges muscle, then bind beam hoop
Muscle；(3) transport superimposed sheet carries out crane vertical lifting to construction site, since the superimposed sheet beard muscle of design is more general short,
And it bends downward, therefore can be with Fast Installation by slant setting；(4) inadequate if there is some leakages bending or bending degree
Beard muscle, it would still be possible to the case where there are reinforcing bar collisions, then using dedicated steel pipe to beard muscle carry out it is downward 45 degree be bent
Form bending part；It pre-tightens through hoop body between the correspondence bending part of the adjacent cohesive end of (5) two unidirectional superimposed sheets and connects to drawing；(6)
Then pouring for concrete, maintenance a period of time are carried out according to a conventional method.
Preferably, in step (4), need to install protruding bar bending anticracking before carrying out downward 45 degree of bendings to beard muscle
Auxiliary tool, protruding bar bending anticracking auxiliary tool include bracket, and bracket is supported in being equipped in the same direction for beard muscle bending side
Support rod on beard muscle inflection point, bracket are reversed equipped with the support for being supported in the nearly root of beard muscle beard muscle bending side
Plate, support plate are the axial arc panel parallel with beard muscle, and arc panel is parallel to axial two opposite sides towards beard muscle direction
Bending, support plate along the in the same direction of beard muscle bending side or are reversed sliding adjusting through a regulating mechanism, and regulating mechanism includes one
Hold the stripe board being installed on the non-beard muscle contact surface of support plate, oppositely extending, bar shaped of the stripe board along beard muscle bending side
The plate other end is vertically installed with handle, the non-end of stripe board offer with its it is co-extensive to groove bar hole, be installed with one on bracket
Pass perpendicularly through the screw rod in groove bar hole, screw rod is successively arranged with the first gasket in groove bar hole side from-inner-to-outer, is bolted with locking screw
Mother, screw rod are installed with the second gasket in the groove bar hole other side, and the width of the first gasket and the second gasket is all larger than the width in groove bar hole
Degree, support rod is the round bar being installed on bracket, is axially perpendicular to beard muscle, and beard muscle is worn between support rod and support plate
It crosses；The overhanging beard muscle of superimposed sheet passes through between support rod and support plate when use, so that support rod is located at beard muscle bending side same
To and be supported on beard muscle inflection point, it is reversed and be supported in the nearly root of beard muscle that support plate is located at beard muscle bending side, when opening
When beginning bending beard muscle, beard muscle is bent by fulcrum of support rod, the nearly root of beard muscle by the support of support plate be difficult to
Superfluous deformation is bent, when preventing bending beard muscle, beard muscle destroys root concrete extrusion；By unscrewing locking nut, prop up
Fagging and stripe board, handle are integrally able to carry out sliding adjusting position, to change the spacing between support plate and support rod, a side
Face facilitates the beard muscle for adapting to various outer diameter, can tune up the spacing between support plate and support rod first on the other hand to facilitate recklessly
Sub- muscle passes through, and beard muscle, which passes through, to be made support rod be located at beard muscle bending side in the same direction later and be supported on beard muscle inflection point, props up
Fagging is located at beard muscle bending side reversely and is supported in the nearly root of beard muscle, then locks locking nut again.
Preferably, in step (5), when hoop body is lacing wire sleeve, lacing wire sleeve includes sleeve body, sleeve body
Inside both ends be equipped with spiral shell to opposite internal thread hole, every end internal thread hole is bolted with the pull hook in " J " font, the crotch of pull hook
Portion and ipsilateral bending part rotate intermediate sleeve body, are pre-tightened the beard muscle of beam two sides to drawing to hook；When hoop body is
When common stirrup, knocking-up is carried out to the stirrup of connection when needing to install, it is intended to tense the curved beard muscle in two sides, guarantee recklessly
The sub- good connection of muscle.
Compared with prior art, the invention has the following advantages: simple structure, compared with traditional straight beard muscle, this
The superimposed sheet beard muscle of application has bending part, reduces extension, and superimposed sheet can be kept away by slant setting with Fast Installation
The top longitudinal reinforcement for exempting from superimposed sheet beard muscle and Vierendeel girder generates collision, accelerates construction efficiency, reduces labor workload.
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
Fig. 1 is the organigram of superimposed sheet.
Fig. 2 is the Construction State schematic diagram one of formwork erecting structure.
Fig. 3 is the Construction State schematic diagram two of formwork erecting structure.
Fig. 4 is the Construction State schematic diagram three of formwork erecting structure.
Fig. 5 is the structural schematic diagram one that protruding bar bends anticracking auxiliary tool.
Fig. 6 is the structural schematic diagram two that protruding bar bends anticracking auxiliary tool.
Fig. 7 uses schematic diagram for protruding bar bending anticracking auxiliary tool.
Fig. 8 is the Construction State schematic diagram four of formwork erecting structure.
Fig. 9 is the top view of Fig. 8 central sill forming cavity.
Figure 10 is the organigram of lacing wire sleeve.
Figure 11 is the organigram of pull hook.
Figure 12 is the organigram of sleeve body.
Figure 13 is the organigram of formwork erecting structure.
Figure 14 is organigram when hoop body uses common stirrup.
Specific embodiment
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and cooperate attached drawing, make detailed
Carefully it is described as follows.
As shown in Fig. 1 ~ 14, a kind of oblique prefabricated superimposed sheet of muscle, including superimposed sheet ontology out, superimposed sheet ontology cohesive end
The oblique bending of beard muscle has bending part.
In embodiments of the present invention, bending part is bent downwardly 45 degree.
It is a kind of using it is oblique go out the prefabricated superimposed sheet of muscle preload to drawing formwork erecting structure, including beam forms 13 and be symmetrically positioned in
The plank sheathing 14 of beam forms two sides is provided with unidirectional superimposed sheet 15 on plank sheathing, and two unidirectional superimposed sheets include superimposed sheet sheet
Body, the oblique bending of the beard muscle of superimposed sheet ontology cohesive end have a bending part 16, the correspondence of the adjacent cohesive end of two unidirectional superimposed sheets
It is pre-tightened through hoop body between bending part and drawing is connected.Can connection beard muscle efficiently and quickly, the globality of reinforcement structure makes
Preload processing can be carried out to beard muscle to drawing connection by being pre-tightened with hoop body, improve the bearing capacity of plate.
In embodiments of the present invention, plank sheathing upper surface is provided with foamed glue at the beam forming cavity accent edge of beam forms
Item 17, unidirectional superimposed sheet are both placed in plank sheathing upper surface, and foam glue strip is pressed on unidirectional superimposed sheet lower surface.
In embodiments of the present invention, plank sheathing is symmetricly set on the two opposite edges side of beam forming cavity accent of beam forms.
In embodiments of the present invention, beam forms includes vertical supporting frame 18, and vertical supporting top of the trellis is provided with keel 19, dragon
It is provided with woodbox 20 at the top of bone, is provided at the top of woodbox with the beam forming cavity 22 to lacing wire 21；Plank sheathing bottom is provided with
Keel, the cohesive end of plank sheathing are flushed with the beam forming cavity accent edge of ipsilateral beam forms.
In embodiments of the present invention, it is disposed with beam in the beam forming cavity of beam forms and indulges muscle 23 and beam stirrup 24, longitudinal two-phase
For to the space for installing hoop body between adjacent beam stirrup.
In embodiments of the present invention, hoop body is lacing wire sleeve, and lacing wire sleeve includes sleeve body 25, sleeve body it is interior
Portion both ends are equipped with spiral shell to opposite internal thread hole, and every end internal thread hole is bolted with the pull hook 26 in " J " font, the hook part of pull hook
With ipsilateral bending part to hook.
In embodiments of the present invention, hoop body is common stirrup 27.
It is a kind of using it is oblique go out the prefabricated superimposed sheet of muscle preload to draw formwork erecting structure construction method, according to the following steps into
Row: (1) in precast plant, on the basis of traditional unidirectional superimposed sheet, the extension elongation of beard muscle is reduced, and inside superimposed sheet
The beard muscle of board ends is bent downward 45 degree in advance in reinforcing bar process of binding；(2) the vertical supporting frame of beam forms is arranged, then
Keel are installed on vertical supporting frame, and arrange two pieces of rectangle woodboxs in beam forming cavity bottom template to guarantee that load is uniform
It is delivered on beam bottom keel, then lacing wire support drawing by rectangle woodbox in the setting of beam forming cavity both sides side template
The lateral pressure of template when anti-casting concrete, the deformation of beam when preventing casting concrete, finally from beam forming cavity accent side
Foam glue strip is placed in plank sheathing upper surface at edge, then according to conventional construction method, first interts beam and indulges muscle, then bind beam hoop
Muscle；(3) transport superimposed sheet carries out crane vertical lifting to construction site, since the superimposed sheet beard muscle of design is more general short,
And it bends downward, therefore can be with Fast Installation by slant setting；(4) inadequate if there is some leakages bending or bending degree
Beard muscle, it would still be possible to the case where there are reinforcing bar collisions, then using dedicated steel pipe to beard muscle carry out it is downward 45 degree be bent
Form bending part；It pre-tightens through hoop body between the correspondence bending part of the adjacent cohesive end of (5) two unidirectional superimposed sheets and connects to drawing；(6)
Then pouring for concrete, maintenance a period of time are carried out according to a conventional method.
In embodiments of the present invention, in step (4), need to install overhanging steel before carrying out downward 45 degree of bendings to beard muscle
Muscle bends anticracking auxiliary tool 28, and protruding bar bending anticracking auxiliary tool includes bracket 1, and bracket bends side in beard muscle 2
It is equipped with the support rod 3 being supported on beard muscle inflection point in the same direction, reversed be equipped with of the bracket in beard muscle bending side is supported in beard
The support plate 4 of the nearly root of muscle, support plate are the axial arc panel parallel with beard muscle, and arc panel is parallel to axial two opposite sides
It is bent towards beard muscle direction, support plate along the in the same direction of beard muscle bending side or is reversed sliding adjusting through a regulating mechanism,
Regulating mechanism includes the stripe board 5 that one end is installed on the non-beard muscle contact surface of support plate, and stripe board bends side along beard muscle
It is oppositely extending, the stripe board other end is vertically installed with handle 6, the non-end of stripe board offer with its it is co-extensive to groove bar hole
7, a screw rod 8 for passing perpendicularly through groove bar hole is installed on bracket, and screw rod is successively arranged with first in groove bar hole side from-inner-to-outer
Gasket 9 is bolted with locking nut 10, and screw rod is installed with the second gasket 11, the first gasket and the second gasket in the groove bar hole other side
Width be all larger than the width in groove bar hole, support rod is the round bar being installed on bracket, is axially perpendicular to beard muscle, beard muscle
It is passed through between support rod and support plate；The overhanging beard muscle of superimposed sheet passes through between support rod and support plate when use, makes to prop up
Strut is located at beard muscle bending side in the same direction and is supported on beard muscle inflection point, and support plate is located at beard muscle bending side reversely and props up
Root close in beard muscle is supportted, when starting bending beard muscle, beard muscle is bent by fulcrum of support rod, the nearly root of beard muscle
It is difficult to by the support of support plate with superfluous deformation of bending, when preventing bending beard muscle, beard muscle squeezes root concrete 12 broken
It is bad；By unscrewing locking nut, support plate and stripe board, handle are integrally able to carry out sliding adjusting position, to change support plate
Spacing between support rod, on the one hand facilitate adapt to various outer diameter beard muscle, on the other hand can first tune up support plate with
For spacing between support rod to facilitate beard muscle to pass through, beard muscle passes through makes support rod be located at beard muscle bending side in the same direction simultaneously later
It is supported on beard muscle inflection point, support plate is located at beard muscle bending side reversely and is supported in the nearly root of beard muscle, then locks again
Tight locking nut.
In embodiments of the present invention, in step (5), when hoop body is lacing wire sleeve, lacing wire sleeve includes sleeve sheet
Body, the inside both ends of sleeve body are equipped with spiral shell to opposite internal thread hole, and every end internal thread hole is bolted with the drawing in " J " font
It hooks, the hook part of pull hook and ipsilateral bending part rotate intermediate sleeve body, pre-tighten to the beard muscle of beam two sides to hook
To drawing；When hoop body is common stirrup, knocking-up is carried out to the stirrup of connection when needing to install, it is intended to it is curved to tense two sides
Beard muscle guarantees the good connection of beard muscle.
The present invention is not limited to above-mentioned preferred forms, anyone can show that other are each under the inspiration of the present invention
The oblique prefabricated superimposed sheet of muscle out of kind form and preload are to drawing formwork erecting structure and construction method.It is all according to scope of the present invention patent
The equivalent changes and modifications done, are all covered by the present invention.
Claims (10)
1. a kind of oblique prefabricated superimposed sheet of muscle out, it is characterised in that: including superimposed sheet ontology, the beard of superimposed sheet ontology cohesive end
The oblique bending of muscle has bending part.
2. the oblique prefabricated superimposed sheet of muscle out according to claim 1, it is characterised in that: bending part is bent downwardly 45 degree.
3. it is a kind of using it is oblique go out the prefabricated superimposed sheet of muscle preload to drawing formwork erecting structure, including beam forms and be symmetrically positioned in beam form
The plank sheathing of plate two sides, it is characterised in that: unidirectional superimposed sheet is provided on plank sheathing, two unidirectional superimposed sheets include superimposed sheet
Ontology, the oblique bending of the beard muscle of superimposed sheet ontology cohesive end have a bending part, the correspondence of the adjacent cohesive end of two unidirectional superimposed sheets
It is pre-tightened through hoop body between bending part and drawing is connected.
4. the preload according to claim 3 using the oblique prefabricated superimposed sheet of muscle out is to drawing formwork erecting structure, it is characterised in that:
Plank sheathing upper surface is provided with foam glue strip at the beam forming cavity accent edge of beam forms, and unidirectional superimposed sheet is both placed in wooden model
Plate upper surface, foam glue strip are pressed on unidirectional superimposed sheet lower surface.
5. the preload according to claim 3 using the oblique prefabricated superimposed sheet of muscle out is to drawing formwork erecting structure, it is characterised in that:
Plank sheathing is symmetricly set on the two opposite edges side of beam forming cavity accent of beam forms；Beam forms includes vertical supporting frame, vertical to prop up
It is provided with keel at the top of support, woodbox is provided at the top of keel, is provided at the top of woodbox with the beam forming cavity to lacing wire；Wooden model
Board bottom portion is provided with keel, and the cohesive end of plank sheathing is flushed with the beam forming cavity accent edge of ipsilateral beam forms；Beam forms
Beam forming cavity in be disposed with beam and indulge muscle and beam stirrup, for the space for installing hoop body between longitudinal two adjacent beam stirrups.
6. the preload according to claim 3 using the oblique prefabricated superimposed sheet of muscle out is to drawing formwork erecting structure, it is characterised in that:
Hoop body is lacing wire sleeve, and lacing wire sleeve includes sleeve body, and the inside both ends of sleeve body are equipped with spiral shell to opposite internal screw thread
Hole, every end internal thread hole are bolted with the pull hook in " J " font, and the hook part of pull hook and ipsilateral bending part are to hook.
7. the preload according to claim 3 using the oblique prefabricated superimposed sheet of muscle out is to drawing formwork erecting structure, it is characterised in that:
Hoop body is common stirrup.
8. a kind of as drawing formwork erecting structure is applied in the preload as claimed in claim 3 to 5 using the oblique prefabricated superimposed sheet of muscle out
Work method, which is characterized in that sequentially include the following steps: (1) in precast plant, on the basis of traditional unidirectional superimposed sheet, reduce
The extension elongation of beard muscle, and the beard muscle of board ends is bent downward 45 in advance in reinforcing bar process of binding inside the superimposed sheet
Degree；(2) the vertical supporting frame for arranging beam forms, then installs keel, and in beam forming cavity bottom mould on vertical supporting frame
Plate arranges two pieces of rectangle woodboxs to guarantee that load uniformly transfers on beam bottom keel, and then on beam forming cavity both sides, side template is set
It sets and lacing wire is carried out by rectangle woodbox to drawing, the lateral pressure of template, prevents casting concrete when resisting casting concrete
The deformation of Shi Liang finally places foam glue strip in the plank sheathing upper surface from beam forming cavity accent edge, then according to tradition
Construction method first interts beam and indulges muscle, then binds beam stirrup；(3) transport superimposed sheet carries out crane vertical lifting to construction site,
It since the superimposed sheet beard muscle of design is more general short, and bends downward, therefore can be with Fast Installation by slant setting；
(4) the beard muscle inadequate if there is some leakage bendings or bending degree, it would still be possible to which the case where there are reinforcing bar collisions then uses
Dedicated steel pipe carries out downward 45 degree to beard muscle and is formed by bending bending part；The correspondence of the adjacent cohesive end of (5) two unidirectional superimposed sheets
It is pre-tightened through hoop body between bending part and drawing is connected；(6) pouring for concrete is then carried out according to a conventional method, when conserving one section
Between.
9. it is according to claim 8 using it is oblique go out the prefabricated superimposed sheet of muscle preload to draw formwork erecting structure construction method,
It is characterized by: needing to install protruding bar bending anticracking auxiliary before carrying out downward 45 degree of bendings to beard muscle in step (4)
Tool, protruding bar bending anticracking auxiliary tool include bracket, and bracket is supported in beard in being equipped in the same direction for beard muscle bending side
Support rod on muscle inflection point, bracket is in the reversed equipped with the support plate for being supported in the nearly root of beard muscle, branch of beard muscle bending side
Fagging is the axial arc panel parallel with beard muscle, and arc panel is parallel to axial two opposite sides and is bent towards beard muscle direction,
Support plate along the in the same direction of beard muscle bending side or is reversed sliding adjusting through a regulating mechanism, and regulating mechanism includes that one end is fixed
Stripe board on the non-beard muscle contact surface of support plate, stripe board is oppositely extending along beard muscle bending side, and stripe board is another
End is vertically installed with handle, the non-end of stripe board offer with its it is co-extensive to groove bar hole, be installed with one on bracket and vertically wear
Cross the screw rod in groove bar hole, screw rod is successively arranged with the first gasket in groove bar hole side from-inner-to-outer, is bolted with locking nut, screw rod
The second gasket is installed in the groove bar hole other side, and the width of the first gasket and the second gasket is all larger than the width in groove bar hole, support
Bar is the round bar being installed on bracket, is axially perpendicular to beard muscle, and beard muscle passes through between support rod and support plate；It uses
When the overhanging beard muscle of superimposed sheet passed through between support rod and support plate, make support rod be located at beard muscle bending side in the same direction and support
In on beard muscle inflection point, support plate is located at beard muscle bending side reversely and is supported in the nearly root of beard muscle, when beginning bending Hu
When sub- muscle, beard muscle is bent by fulcrum of support rod, and the nearly root of beard muscle is difficult to by the support of support plate with superfluous of bending
Deformation, when preventing bending beard muscle, beard muscle destroys root concrete extrusion；By unscrewing locking nut, support plate and item
Shape plate, handle are integrally able to carry out sliding adjusting position, on the one hand convenient suitable to change the spacing between support plate and support rod
The beard muscle of various outer diameter is answered, the spacing between support plate and support rod can be tuned up first on the other hand to facilitate beard muscle to wear
It crosses, beard muscle, which passes through, to be made support rod be located at beard muscle bending side in the same direction later and be supported on beard muscle inflection point, support plate position
Side is bent reversely in beard muscle and is supported in the nearly root of beard muscle, then locks locking nut again.
10. it is according to claim 8 using it is oblique go out the prefabricated superimposed sheet of muscle preload to draw formwork erecting structure construction method,
It is characterized by: in step (5), when hoop body is lacing wire sleeve, lacing wire sleeve includes sleeve body, sleeve body it is interior
Portion both ends are equipped with spiral shell to opposite internal thread hole, and every end internal thread hole is bolted with the pull hook in " J " font, the hook part of pull hook with
Ipsilateral bending part rotates intermediate sleeve body, is pre-tightened the beard muscle of beam two sides to drawing to hook；When hoop body is common
When stirrup, knocking-up is carried out to the stirrup of connection when needing to install, it is intended to tense the curved beard muscle in two sides, guarantee beard muscle
Good connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910923598.4A CN110524678B (en) | 2019-09-27 | 2019-09-27 | Oblique reinforcement-out prefabricated laminated slab, pre-tightening opposite-pulling formwork structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910923598.4A CN110524678B (en) | 2019-09-27 | 2019-09-27 | Oblique reinforcement-out prefabricated laminated slab, pre-tightening opposite-pulling formwork structure and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110524678A true CN110524678A (en) | 2019-12-03 |
| CN110524678B CN110524678B (en) | 2024-07-19 |
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Family Applications (1)
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