CN107214826A - The steel die device and its construction method of a kind of hollow slab girder prefabricated construction - Google Patents
The steel die device and its construction method of a kind of hollow slab girder prefabricated construction Download PDFInfo
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- CN107214826A CN107214826A CN201710615125.9A CN201710615125A CN107214826A CN 107214826 A CN107214826 A CN 107214826A CN 201710615125 A CN201710615125 A CN 201710615125A CN 107214826 A CN107214826 A CN 107214826A
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- Prior art keywords
- corner trim
- inner corner
- die device
- hollow slab
- steel
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Classifications
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- 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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/28—Cores; Mandrels
- B28B7/30—Cores; Mandrels adjustable, collapsible, or expanding
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a kind of steel die device of hollow slab girder prefabricated construction and its construction method, it is desirable to provide the steel die device and its construction method of a kind of high hollow slab girder prefabricated construction of efficiency of construction.Steel die device therein includes two first inner corner trim punching blocks, two second inner corner trim punching blocks, the first support adjusting part, the second support adjusting part and locating rod；One end of first inner corner trim punching block described in two, which is hinged, constitutes Contraband shape；The first support adjusting part is located at the inner side of two first inner corner trim punching blocks, and it includes multigroup first connecting plate group, the first crossbeam set along the first inner corner trim punching block length direction, and the first fixed plate；Relative internal face is hinged two connecting plates of multigroup first connecting plate group with the two of two first inner corner trim punching blocks respectively, and the other end is bolted with first crossbeam；First fixed plate is located at the end on the inside of two first inner corner trim punching blocks, and its middle part is hinged with first crossbeam, and relative internal face is detachably connected with the two of two first inner corner trim punching blocks respectively at two ends.
Description
Technical field
The present invention relates to construction technical field of mold, filled more particularly, to a kind of punching block of hollow slab girder prefabricated construction
Put and its construction method.
Background technology
During municipal administration, highway engineering construction, current more bridge superstructure uses precast hollow slab structure, therefore
How by matter, according to quantity, quickly, easily construction precast hollow slab is particularly important.Precast hollow slab inner membrance one relatively common at present
As for ordinary steel, wooden internal model, be divided into four sides up and down, this steel internal model using it is artificial one by one it is assembled, remove, such fixation
Installation, dismounting mode are although feasible, but working procedure is more complicated in practical operation, and the engineering time is longer, need to put into substantial amounts of
Manpower and materials, and during cored slab inner template is removed one by one, it is most likely that concrete can be damaged, concrete need to be repaiied
It is multiple, and cored slab hollow parts space is smaller, removes inconvenience.Also the use inflatable inner mould having, although this Inner moulds convenient disassembly,
But easily float and deform, it is impossible to ensure that the pouring quality of cored slab, or even the cored slab completed can not meet construction requirement, make
Into unnecessary loss.
Above hollow board prefabrication beam inner template, the degree of accuracy is difficult to control to, efficiency of construction is reduced, expend a large amount of manpower and materials.
Hardly possible meets construction demand instantly efficiently, quick, environmentally friendly.
The content of the invention
The purpose of the present invention is intended to overcome the shortcomings of that prior art is present there is provided a kind of efficiency of construction height, easy to use,
Can Reusability and easily controllable hollow slab girder prefabricated construction steel die device and its construction method.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions：
A kind of steel die device of hollow slab girder prefabricated construction, it is referred to as inner side towards the side at center, otherwise is outside；Including two
First inner corner trim punching block, two second inner corner trim punching blocks, the first support adjusting part, the second support adjusting part and locating rod；
One end of first inner corner trim punching block described in two, which is hinged, constitutes Contraband shape；It is cloudy that the first support adjusting part is located at two first
The inner side of angle steel mould, it include it is multigroup using two pieces of connecting plates as one group of the first connecting plate group, along the first inner corner trim punching block length side
To the first crossbeam for setting and being located at midline on the inside of two first inner corner trim punching blocks, and the first fixed plate；Multigroup described first connects
Relative internal face is hinged two connecting plates of fishplate bar group with the two of two first inner corner trim punching blocks respectively, and the other end passes through spiral shell with first crossbeam
Tether and connect；First fixed plate is located at the end on the inside of two first inner corner trim punching blocks, and its middle part is hinged with first crossbeam, two ends
Relative internal face is detachably connected with the two of two first inner corner trim punching blocks respectively；
One end of second inner corner trim punching block described in two, which is hinged, constitutes Contraband shape；It is cloudy that the second support adjusting part is located at two second
The inner side of angle steel mould, it include it is multigroup using two pieces of connecting plates as one group of the second connecting plate group, along the second inner corner trim punching block length side
To the second cross beam for setting and being located at midline on the inside of two second inner corner trim punching blocks, and the second fixed plate；Multigroup described second connects
Relative internal face is hinged two connecting plates of fishplate bar group with the two of two second inner corner trim punching blocks respectively, and the other end passes through spiral shell with second cross beam
Tether and connect；Second fixed plate is located at the end on the inside of two second inner corner trim punching blocks, and its middle part is hinged with second cross beam, two ends
Relative internal face is detachably connected with the two of two second inner corner trim punching blocks respectively；
Two stretching side end portions of the first inner corner trim punching block described in two are respectively provided with the first lap body with inclined-plane, the second inner corner trim steel described in two
Two stretching side end portions of mould are respectively provided with the second lap body with inclined-plane；First lap body of the same side and the inclined-plane of the second lap body
The parallel each other and laminating in construction；
The positioning hole penetrated for locating rod is correspondingly arranged in first lap body and in the second lap body
Preferably, first inner corner trim punching block articulated structure is described in two：Is respectively provided with the inside of two first inner corner trim punching block hinge sides
One angle steel, the adjacent surface of two first angle steel, which interlocks, welds multiple the first coaxial annulus, and each first annulus passes through the first connecting shaft
Through connection.
Preferably, second inner corner trim punching block articulated structure is described in two：It is all provided with the inside of two second inner corner trim punching block hinge sides
The second angle steel is put, the adjacent surface of two second angle steel, which interlocks, welds multiple the second coaxial annulus, and each second annulus passes through second and connected
Spindle is through connection.
Preferably, the first otic placode being hinged with the first connecting plate group is set on the first inner corner trim punching block internal face.
Preferably, the second otic placode being hinged with the second connecting plate group is set on the second inner corner trim punching block internal face.
Preferably, the first inner corner trim punching block include inner corner trim plate body and it is some be arranged on the inside of inner corner trim plate body put more energy into
Plate.
Preferably, one end of the first crossbeam is provided with the first draw ring.
Preferably, one end of the second cross beam is provided with the second draw ring.
Preferably, the first crossbeam and second cross beam use I-steel.
A kind of construction method of hollow slab girder prefabricated construction, it uses steel die device as described above, and it includes following step
Suddenly：
（1）Installation form：After the completion of hollow slab girder baseplate reinforcing bar and both sides reinforcing bar colligation, install outside precast hollow slab both sides
Mould, corresponding height, the concrete pad of thickness are then placed in bottom plate and left and right sides reinforcing bar, whole steel die device is put
Relevant position is put, the two ends of the first fixed plate and the second fixed plate are disengaged, and removes locating rod, first is adjusted after adjusting loose bolt
Crossbeam and second cross beam make steel die device adjust to desired size size, and its headroom is met design requirement, then will positioning
Bar loads on positioning hole, while fastening bolt, and the two ends of the first fixed plate and the second fixed plate are fixed, then filled in punching block
Upper ends respective thickness concrete pad is put, last colligation superstructure reinforcing bar, measurement is checked, checked, adjusting template position
After carry out concreting；
（2）Form removal：After the completion of concreting, locating rod is removed, and by the two of the first fixed plate and the second fixed plate
End is disengaged, and adjusts adjustment first crossbeam and second cross beam after loose bolt to make steel die device is overall inwardly to reduce, when narrowing down to certain journey
After degree, bundle the first draw ring using hoist engine steel strand wires and the second draw ring pulls out steel die device.
Compared with prior art, the invention has the advantages that：
The present invention solves the inner template degree of accuracy in existing cored slab work progress and is difficult to control to, and efficiency of construction reduction, template is difficult
It is fixed, remove the technical barrier for expending a large amount of manpower and materials.Its not only simple operation, accurate positioning, and also the construction period is short, applies
Work cost is low, and can be further ensured that concrete construction quality.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Structural representation when Fig. 1 uses for the present invention.
Fig. 2 is the A direction views in Fig. 1, wherein illustrate only the knot of two second inner corner trim punching blocks and the second support adjusting part
Structure.
Fig. 3 is the schematic diagram of two second inner corner trim punching block contraction states in Fig. 2.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not paid
Embodiment, belongs to the scope of protection of the invention.
The steel die device of hollow slab girder prefabricated construction shown in Fig. 1-3, it is referred to as inner side towards the side at center, otherwise is outer
Side；Including two first inner corner trim punching blocks 1, two second inner corner trim punching blocks 2, the first support adjusting part 3, the second support adjusting part 4 with
And locating rod 5；
One end of first inner corner trim punching block 1 described in two, which is hinged, constitutes Contraband shape；The first support adjusting part 3 is located at two first
The inner side of inner corner trim punching block 1, it include it is multigroup using two pieces of connecting plates as one group of the first connecting plate group 31, along the first inner corner trim punching block 1
Length direction is set and positioned at the first crossbeam 32 of the inner side midline of two first inner corner trim punching block 1, and the first fixed plate（In figure not
Show, structure is identical with the second fixed plate）；Two connecting plates of multigroup first connecting plate group 31 respectively with two first inner corner trim steel
The two of mould 1 are relative, and internal face is hinged, and the other end is bolted with first crossbeam 32；First fixed plate 33 is located at two the
The end of the inner side of one inner corner trim punching block 1, its middle part is hinged with first crossbeam 32, two ends respectively with two first inner corner trim punching blocks 1 two
Opposed inner walls face is detachably connected, such as bolt connection or clamping；
One end of second inner corner trim punching block 2 described in two, which is hinged, constitutes Contraband shape；The second support adjusting part 4 is located at two second
The inner side of inner corner trim punching block 2, it include it is multigroup using two pieces of connecting plates as one group of the second connecting plate group 41, along the second inner corner trim punching block 2
Length direction is set and positioned at the second cross beam 42 of the inner side midline of two second inner corner trim punching block 2, and the second fixed plate 43；It is multigroup
Relative internal faces are hinged two connecting plates of the second connecting plate group 41 with the two of two second inner corner trim punching blocks 2 respectively, the other end with
Second cross beam 42 is bolted；Second fixed plate 43 is located at the end of the inner side of two second inner corner trim punching block 2, its middle part
It is hinged with second cross beam 42, relative internal face is detachably connected with the two of two second inner corner trim punching blocks 2 respectively at two ends, such as bolt connection
Or clamping etc.；
Two stretching side end portions of the first inner corner trim punching block 1 described in two are respectively provided with the first lap body 7 with inclined-plane, the second inner corner trim described in two
Two stretching side end portions of punching block 2 are respectively provided with the second lap body 8 with inclined-plane；First lap body 7 and the second lap body 8 of the same side
Inclined-plane construction when it is parallel each other and laminating；
The positioning hole penetrated for locating rod 5 is correspondingly arranged in first lap body 7 and in the second lap body 8（Do not show in figure
Go out）.
As preferred technical scheme, the articulated structure of first inner corner trim punching block 1 is described in two：Two first inner corner trim punching blocks 1 are hinged
The first angle steel 11 is respectively provided with the inside of side, the adjacent surface of two first angle steel 11, which interlocks, welds multiple the first coaxial annulus 12, respectively
First annulus 12 is by the first connecting shaft 13 through connection；Obviously also can be using articulated structures such as hinges.
As preferred technical scheme, the articulated structure of second inner corner trim punching block 2 is described in two：Two second inner corner trim punching blocks 2 are hinged
The second angle steel 21 is respectively provided with the inside of side, the adjacent surface of two second angle steel 21, which interlocks, welds multiple the second coaxial annulus 22, respectively
Second annulus 22 is by the second connecting shaft 23 through connection；Obviously also can be using articulated structures such as hinges.
Set and be hinged with the first connecting plate group 31 as preferred technical scheme, on the internal face of the first inner corner trim punching block 1
The first otic placode 14.
Set and be hinged with the second connecting plate group 41 as preferred technical scheme, on the internal face of the second inner corner trim punching block 2
The second otic placode 24.
As preferred technical scheme, the first inner corner trim punching block 1 includes inner corner trim plate body 15 and some is arranged at inner corner trim plate
The stiffener 16 of the inner side of body 15.The second inner corner trim punching block can be used and the identical structure of the first inner corner trim punching block 1.
As preferred technical scheme, one end of the first crossbeam 32 is provided with the first draw ring（Not shown in figure, structure
Substantially it is identical with the second draw ring）.
As preferred technical scheme, one end of the second cross beam 42 is provided with the second draw ring 44.
As preferred technical scheme, the first crossbeam 32 and second cross beam 42 use I-steel.
A kind of construction method of hollow slab girder prefabricated construction, it uses steel die device as described above, and it includes following step
Suddenly：
（1）Installation form：After the completion of hollow slab girder baseplate reinforcing bar and both sides reinforcing bar colligation, install outside precast hollow slab both sides
Mould, then in bottom plate（Beam making bench）And corresponding height, the concrete pad of thickness are placed on left and right sides reinforcing bar, will be whole
Steel die device places relevant position, and the two ends of the first fixed plate 33 and the second fixed plate 43 are disengaged, and removes locating rod 5, adjusts
First crossbeam 32 and second cross beam 42 are adjusted after loose bolt makes steel die device adjust to desired size size, and meets its headroom
Design requirement, then loads locating rod on positioning hole, while fastening bolt, and by the first fixed plate 33 and the second fixed plate 43
Two ends fix, then in steel die device upper ends respective thickness concrete pad, last colligation superstructure reinforcing bar, measurement
Check, check, adjusting concreting is carried out after template position；
（2）Form removal：After the completion of concreting, locating rod is removed, and by the first fixed plate 33 and the second fixed plate 43
Two ends disengage, adjust adjustment first crossbeam 32 and second cross beam 42 after loose bolt to make steel die device is overall inwardly to reduce, work as diminution
After to a certain extent, bundle the first draw ring using hoist engine steel strand wires and the second draw ring pulls out steel die device.
Steel die device need to be determined when removing according to the specific initial set of concrete, final setting time.If steel die device is except relatively early meeting
Cause part concrete to come off, influence integral construction quality, and cause template to shrink difficulty as party is crossed in form removable, it is difficult to tear open
Remove.The solidifying native setting time of C50 coagulations is shorter, or so general 12 hours for removing time control after the completion of concreting compared with
To be suitable.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of steel die device of hollow slab girder prefabricated construction, it is referred to as inner side towards the side at center, otherwise is outside；Including
Two first inner corner trim punching blocks, two second inner corner trim punching blocks, the first support adjusting part, the second support adjusting part and locating rod；Its
It is characterised by：
One end of first inner corner trim punching block described in two, which is hinged, constitutes Contraband shape；It is cloudy that the first support adjusting part is located at two first
The inner side of angle steel mould, it include it is multigroup using two pieces of connecting plates as one group of the first connecting plate group, along the first inner corner trim punching block length side
To the first crossbeam for setting and being located at midline on the inside of two first inner corner trim punching blocks, and the first fixed plate；Multigroup described first connects
Relative internal face is hinged two connecting plates of fishplate bar group with the two of two first inner corner trim punching blocks respectively, and the other end passes through spiral shell with first crossbeam
Tether and connect；First fixed plate is located at the end on the inside of two first inner corner trim punching blocks, and its middle part is hinged with first crossbeam, two ends
Relative internal face is detachably connected with the two of two first inner corner trim punching blocks respectively；
One end of second inner corner trim punching block described in two, which is hinged, constitutes Contraband shape；It is cloudy that the second support adjusting part is located at two second
The inner side of angle steel mould, it include it is multigroup using two pieces of connecting plates as one group of the second connecting plate group, along the second inner corner trim punching block length side
To the second cross beam for setting and being located at midline on the inside of two second inner corner trim punching blocks, and the second fixed plate；Multigroup described second connects
Relative internal face is hinged two connecting plates of fishplate bar group with the two of two second inner corner trim punching blocks respectively, and the other end passes through spiral shell with second cross beam
Tether and connect；Second fixed plate is located at the end on the inside of two second inner corner trim punching blocks, and its middle part is hinged with second cross beam, two ends
Relative internal face is detachably connected with the two of two second inner corner trim punching blocks respectively；
Two stretching side end portions of the first inner corner trim punching block described in two are respectively provided with the first lap body with inclined-plane, the second inner corner trim steel described in two
Two stretching side end portions of mould are respectively provided with the second lap body with inclined-plane；First lap body of the same side and the inclined-plane of the second lap body
The parallel each other and laminating in construction；
The positioning hole penetrated for locating rod is correspondingly arranged in first lap body and in the second lap body.
2. the steel die device of hollow slab girder prefabricated construction according to claim 1, it is characterised in that：First inner corner trim steel described in two
Mould articulated structure is：The first angle steel is respectively provided with the inside of two first inner corner trim punching block hinge sides, the adjacent surface of two first angle steel interlocks
Multiple the first coaxial annulus of welding, each first annulus is by the first connecting shaft through connection.
3. the steel die device of hollow slab girder prefabricated construction according to claim 1, it is characterised in that：Second inner corner trim steel described in two
Mould articulated structure is：The second angle steel is respectively provided with the inside of two second inner corner trim punching block hinge sides, the adjacent surface of two second angle steel interlocks
Multiple the second coaxial annulus of welding, each second annulus is by the second connecting shaft through connection.
4. the steel die device of hollow slab girder prefabricated construction according to claim 1, it is characterised in that：The first inner corner trim punching block
The first otic placode being hinged with the first connecting plate group is set on internal face.
5. the steel die device of hollow slab girder prefabricated construction according to claim 1, it is characterised in that：The second inner corner trim punching block
The second otic placode being hinged with the second connecting plate group is set on internal face.
6. the steel die device of hollow slab girder prefabricated construction according to claim 1, it is characterised in that：The first inner corner trim punching block
Including inner corner trim plate body and some stiffeners being arranged on the inside of inner corner trim plate body.
7. the steel die device of hollow slab girder prefabricated construction according to claim 1, it is characterised in that：The one of the first crossbeam
End is provided with the first draw ring.
8. the steel die device of hollow slab girder prefabricated construction according to claim 1, it is characterised in that：The one of the second cross beam
End is provided with the second draw ring.
9. the steel die device of hollow slab girder prefabricated construction according to claim 1, it is characterised in that：The first crossbeam and
Two crossbeams use I-steel.
10. a kind of construction method of hollow slab girder prefabricated construction, it uses the steel die device as described in claim 1-9 is any,
It is characterized in that comprising the following steps：
（1）Installation form：After the completion of hollow slab girder baseplate reinforcing bar and both sides reinforcing bar colligation, install outside precast hollow slab both sides
Mould, corresponding height, the concrete pad of thickness are then placed in bottom plate and left and right sides reinforcing bar, whole steel die device is put
Relevant position is put, the two ends of the first fixed plate and the second fixed plate are disengaged, and removes locating rod, first is adjusted after adjusting loose bolt
Crossbeam and second cross beam make steel die device adjust to desired size size, and its headroom is met design requirement, then will positioning
Bar loads on positioning hole, while fastening bolt, and the two ends of the first fixed plate and the second fixed plate are fixed, then filled in punching block
Upper ends respective thickness concrete pad is put, last colligation superstructure reinforcing bar, measurement is checked, checked, adjusting template position
After carry out concreting；
（2）Form removal：After the completion of concreting, locating rod is removed, and by the two of the first fixed plate and the second fixed plate
End is disengaged, and adjusts adjustment first crossbeam and second cross beam after loose bolt to make steel die device is overall inwardly to reduce, when narrowing down to certain journey
After degree, bundle the first draw ring using hoist engine steel strand wires and the second draw ring pulls out steel die device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710615125.9A CN107214826A (en) | 2017-07-26 | 2017-07-26 | The steel die device and its construction method of a kind of hollow slab girder prefabricated construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710615125.9A CN107214826A (en) | 2017-07-26 | 2017-07-26 | The steel die device and its construction method of a kind of hollow slab girder prefabricated construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107214826A true CN107214826A (en) | 2017-09-29 |
Family
ID=59954717
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710615125.9A Withdrawn CN107214826A (en) | 2017-07-26 | 2017-07-26 | The steel die device and its construction method of a kind of hollow slab girder prefabricated construction |
Country Status (1)
| Country | Link |
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| CN (1) | CN107214826A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111037718A (en) * | 2019-12-31 | 2020-04-21 | 广西建工集团第五建筑工程有限责任公司 | Interior-free integral quick-dismantling box girder inner mold and mounting and dismounting method thereof |
| CN111688002A (en) * | 2020-06-18 | 2020-09-22 | 中北大学 | Coincide prefabricated hollow floor centre form |
| CN112962961A (en) * | 2021-02-05 | 2021-06-15 | 绍兴市城投建筑工业化制造有限公司 | Inner template for hollow upright post |
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| CN207088136U (en) * | 2017-07-26 | 2018-03-13 | 中国水利水电第十四工程局有限公司 | A kind of steel die device of hollow slab girder prefabricated construction |
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| CN201609922U (en) * | 2010-02-05 | 2010-10-20 | 浙江永峰模具制造有限公司 | Pull type prefabricated small box girder iron core |
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| CN111037718A (en) * | 2019-12-31 | 2020-04-21 | 广西建工集团第五建筑工程有限责任公司 | Interior-free integral quick-dismantling box girder inner mold and mounting and dismounting method thereof |
| CN111688002A (en) * | 2020-06-18 | 2020-09-22 | 中北大学 | Coincide prefabricated hollow floor centre form |
| CN112962961A (en) * | 2021-02-05 | 2021-06-15 | 绍兴市城投建筑工业化制造有限公司 | Inner template for hollow upright post |
| CN112962961B (en) * | 2021-02-05 | 2022-05-27 | 绍兴市城投建筑工业化制造有限公司 | Inner template for hollow upright post |
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Application publication date: 20170929 |