CN113958121A - Template for prefabricated column connecting node and node construction method using template - Google Patents
Template for prefabricated column connecting node and node construction method using template Download PDFInfo
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- CN113958121A CN113958121A CN202111206355.2A CN202111206355A CN113958121A CN 113958121 A CN113958121 A CN 113958121A CN 202111206355 A CN202111206355 A CN 202111206355A CN 113958121 A CN113958121 A CN 113958121A
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- 238000010276 construction Methods 0.000 title claims abstract description 13
- 239000004567 concrete Substances 0.000 claims abstract description 37
- 238000003780 insertion Methods 0.000 claims abstract description 8
- 230000037431 insertion Effects 0.000 claims abstract description 8
- 238000007569 slipcasting Methods 0.000 claims description 16
- 238000009415 formwork Methods 0.000 claims description 14
- 238000001125 extrusion Methods 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 14
- 238000005266 casting Methods 0.000 description 9
- 238000004513 sizing Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000011376 self-consolidating concrete Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/025—Buckets specially adapted for use with concrete
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The application relates to a template of a prefabricated column connecting node and a node construction method using the template. The utility model provides a template of prefabricated post connected node, its includes pastes first baffle spare and the second baffle spare on prefabricated post tip lateral wall, still all is connected with middle board group between the tip of first baffle spare and second baffle spare, and middle board group includes the end plate of fixed connection in first baffle spare tip and can dismantle the plugboard of connecting between end plate and second baffle spare tip. The end parts of the prefabricated columns are surrounded by the first baffle part, the second baffle part, the two end plates and the two insertion plates, pouring spaces are formed among the first baffle part, the second baffle part, the two end plates, the insertion plates, the prefabricated columns and the end faces of the existing columns, and the first baffle part is further connected with a grouting hopper for concrete pouring guiding. This application has the effect that improves the template to different prefabricated post cross-sectional dimension adaptability.
Description
Technical Field
The application relates to the technical field of prefabricated column construction, in particular to a template of a prefabricated column connecting node and a node construction method using the template.
Background
With the social development, the prefabricated building is more and more widely applied based on the characteristics of factory prefabrication and environmental protection.
At present, among the assembled structure, the connection of the vertical reinforcing bar of prefabricated post adopts grout muffjoint usually, and there is the reinforcing bar location degree of difficulty big, the not closely knit scheduling problem of grout in this kind of connected mode, leads to actual operation very difficult.
Although the existing dry-type connection of connecting longitudinal steel bars by using mechanical sleeves solves the problem of grouting sleeves, the longitudinal steel bars are connected by using the mechanical sleeves, concrete needs to be filled in the positions of connecting nodes, and the service life of a template woven by using a traditional wood template is limited and is easy to damage when the template is removed. When the steel die is adopted for weaving, the steel die with different section sizes is needed due to different section sizes of the on-site columns, so that the cost for manufacturing the steel die with different section sizes is higher.
Accordingly, there is a need for a formwork structure that is adaptable to different precast column cross-sections.
Disclosure of Invention
In order to be suitable for the section sizes of different prefabricated columns and guarantee the service lives of the prefabricated columns, the application provides a prefabricated column connection node template and a node construction method using the template.
In a first aspect, the present application provides a template for connecting nodes of prefabricated columns, which adopts the following technical scheme:
a template of a prefabricated column connecting node comprises a first baffle piece and a second baffle piece which are attached to the outer side wall of the end part of a prefabricated column, wherein an intermediate plate group is connected between the end parts of the first baffle piece and the second baffle piece, the intermediate plate group comprises an end plate fixedly connected to the end part of the first baffle piece and an inserting plate detachably connected between the end plate and the end part of the second baffle piece, and the end plate is detachably connected with the second baffle piece through a connecting piece; the first baffle piece, the second baffle piece, the two end plates and the two insertion plates surround the end parts of the prefabricated column, pouring spaces are formed among the first baffle piece, the second baffle piece, the two end plate insertion plates, the prefabricated column and the end face of the existing column, and a grouting hopper for concrete pouring guiding is connected to the first baffle piece or the end plates.
Through adopting above-mentioned technical scheme, form between the terminal surface of first baffle spare, second baffle spare, two end plates, plugboard and prefabricated post and current post and pour the space, adjust the interval size between first baffle and the second baffle through the picture peg of changing different length size to improve the application scope of template. Concrete is injected into the grouting hopper, so that the concrete is injected into the pouring space and filled, and the pouring difficulty of the concrete is reduced.
Optionally, the first baffle piece and the second baffle piece both include an inner baffle and an outer baffle which are mutually attached, the inner baffle and the outer baffle are relatively slidably connected, one side of the outer baffle close to the casting space is fixedly connected with a plugging plate, the two plugging plates are distributed along the height direction of the outer baffle, one side of the plugging plate close to the casting space is attached to the outer side wall of the prefabricated column or the existing column, one side of the outer baffle close to the casting space is fixedly connected with the plugging plate, the two plugging plates are distributed along the height direction of the outer baffle, one side of the plugging plate close to the casting space is attached to the prefabricated column or the outer side wall of the existing column, and a locking mechanism for locking the relative movement of the inner baffle and the outer baffle is further connected between the inner baffle and the outer baffle; the grouting hopper is connected to the end plate.
Through adopting above-mentioned technical scheme, through the relative slip of interior baffle and outer baffle to adjust the length dimension between the both ends of first baffle spare and second baffle spare, improve the application scope of template. After the adjustment is completed, the locking mechanism can lock the relative movement of the inner baffle and the outer baffle, so that the stability of the first baffle piece and the second baffle piece during concrete pouring is improved. When the shutoff board can reduce the concrete and pour into, the probability that the concrete leaks outward from outer baffle and prefabricated post. The grouting hopper is connected to the end plate and is connected to the first baffle piece, the probability that the grouting hopper is interfered by the grouting hopper in adjustment of the first baffle piece can be reduced, and meanwhile, the probability that the grouting hopper is shielded due to adjustment of the first baffle piece can also be reduced.
Optionally, the locking mechanism includes a guide rail fixedly connected to the inner baffle, a short screw fixedly connected to the outer baffle, and a locking nut coaxially screwed to one end of the short screw, which is far away from the outer baffle, the guide rail and the short screw are both arranged away from the pouring space, the guide rail is parallel to the length direction of the first baffle, a guide groove which is parallel to the length direction of the guide rail and is arranged through is formed in one side of the guide rail, which is far away from the pouring space, and the short screw is connected in the guide groove in a sliding manner; a gap exists between the guide rail and the inner baffle, and the outer baffle is connected between the guide rail and the inner baffle in a sliding manner.
Through adopting above-mentioned technical scheme, when interior baffle and outer baffle need relative movement, unscrew lock nut, make lock nut and guide rail separation, short screw rod sliding connection is in the guide way, and the guide way can retrain short screw rod vertical movement. After the inner baffle and the outer baffle are adjusted, the locking nut is screwed down to enable the locking nut to be abutted against the guide rail to form friction force, so that the inner baffle and the outer baffle are restrained from moving relative to the parallel guide grooves.
Optionally, the connecting piece includes a first connecting plate fixedly connected to one end of the end plate close to the second baffle member, a second connecting plate fixedly connected to an end of the second baffle member, and a bolt member penetrating between the first connecting plate and the second connecting plate, and the second connecting plate is parallel to the first connecting plate.
Through adopting above-mentioned technical scheme, the both sides that back on the back of the body of first connecting plate and second connecting plate are parallel to each other, provide mounting plane for the bolt spare to the installation of bolt spare.
Optionally, the first connecting plate is arranged perpendicular to the end plate, the first connecting plate is located on one side of the end plate, which is far away from the pouring space, one side of the first connecting plate, which is far away from the end plate, is fixedly connected with two first fixing plates which are parallel to each other and arranged at intervals, the first fixing plates are arranged perpendicular to the first connecting plate, and a first slot is formed between the two first fixing plates; one side of the second connecting plate, which is close to the first connecting plate, is fixedly connected with two second shaping plates which are parallel to each other and arranged at intervals, the second shaping plates are perpendicular to the second connecting plate, a second slot is formed between the second shaping plates, and two ends of the insertion plate respectively extend into the first slot and the second slot.
Through adopting above-mentioned technical scheme, the plugboard removal can be retrained to first slot between two first stereotypes and the second slot between two second stereotypes, reduces the plugboard and is close to or keeps away from to pour the space and remove, improves the sealing performance of plugboard and first connecting plate or second connecting plate hookup location simultaneously, when pouring the concrete, reduces the probability that the concrete leaks outward.
Optionally, one side of the end plate, which is away from the pouring space, is fixedly connected with two vertical plates which are parallel to each other and are distributed at intervals, a horizontal plate is fixedly connected between the bottom ends of the two vertical plates, vertical flanges are also fixedly connected to one sides of the vertical plates, which are away from the end plate, the two vertical flanges on the two vertical plates are arranged in opposite directions, and a gap exists between the horizontal plate and the end plate; a bearing plate is further connected between the horizontal plate and the end plate, the bearing plate is vertically connected between the two vertical plates in a sliding and limiting manner, a first through chute is vertically formed in the other side, opposite to the bearing plate, of the bearing plate, the top end of the first through chute is flush with the bearing plate, and the bottom end of the first through chute is higher than the bottom end of the bearing plate; slip casting fill includes the bucket body and connects in the bucket body and be close to the perpendicular slide of end plate one side, perpendicular slide vertical sliding relatively is spacing to be connected on the bucket body, perpendicular slide is close to the first slip rib of one side fixedly connected with of end plate, the vertical slip of first slip rib just can dismantle to be connected in first spout.
Through adopting above-mentioned technical scheme, the horizontal plate can support the bucket body of slip casting fill to transmit the load to the riser, transmit the end plate by the riser again. The vertical flange and the additional flange on the bucket body are mutually limited, so that the bucket body is limited to move away from the pouring space. The slide is erected in vertical removal and is accepted the board, makes erect the slide and accept the board and cut off and fill space and bucket body, and the bucket body forms the cell body that can hold the concrete with erecting the slide, then removes and erects the slide, makes erect the slide and break away from on bearing the fishplate bar to make the slip casting fill dismantle from end plate or first baffle, retrieve the concrete that the back slip casting was accomplished and fill the interior concrete of back, reduce the loss that the concrete was filled, reduce cost.
Optionally, second sliding grooves are formed in two sides of the bearing plate, two opposite sides of the two vertical plates are fixedly connected with protruding ribs, the protruding ribs are connected in the second sliding grooves in a sliding mode, and the two protruding ribs incline in opposite directions from bottom to top; and a flexible extrusion sheet is connected between the groove wall of the second sliding groove and the raised rib.
Through adopting above-mentioned technical scheme, spout and protruding rib are to the pressure effect of stripper plate for the vertical slip spacing card of accepting the board is fixed between two risers. Move upward and accept the board, accept the board when removing, the interval between protruding rib and the second spout cell wall reduces gradually to the increase is to the extrusion of extrusion piece, in order to improve and accept the connection stability ability of board between two risers, improves simultaneously and accepts the sealing performance between board and the riser.
In a second aspect, the present application provides a method for constructing a precast column node using the formwork, which adopts the following technical scheme:
a precast column node construction method using the formwork includes: s1, connecting the prefabricated column to the existing column; s2, installing templates, selecting a plugboard with a proper length and size, connecting the chosen plugboard between the end plate and the second baffle piece, and then locking the first baffle piece, the middle plate group and the second baffle piece by adopting connecting pieces; s3, pouring concrete; and S4, removing the template, and cutting or chiseling the bump formed by the grouting hopper after removing the template.
By adopting the technical scheme, the plugboard with the proper size is selected, so that the adaptability of the middle board group to the side length of one side of the prefabricated column is improved, the adaptability of the whole template is improved, and the concrete can be poured by field personnel conveniently.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the distance between the first baffle and the second baffle is adjusted by replacing the inserting plates with different lengths, so that the application range of the template is widened;
2. the length size between the two ends of the first baffle piece and the second baffle piece is adjusted through the relative sliding of the inner baffle and the outer baffle, so that the application range of the template is further improved;
3. can dismantle with the template through the slip casting fill and be connected to the loss that concrete remained and formed in the slip casting fill when reducing concreting reduces the concrete placement's loss.
Drawings
Fig. 1 is a schematic view of an overall operating condition structure of the first embodiment of the present application.
Fig. 2 is a schematic top view of the structure of fig. 1.
Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.
Fig. 4 is a schematic structural diagram of the embodiment of the present application when no plugboard is installed between an end plate and a second baffle member.
Fig. 5 is a schematic overall structure diagram of the second embodiment of the present application.
Fig. 6 is a schematic overall structure diagram of a third embodiment of the present application.
Fig. 7 is a schematic structural diagram of the third embodiment of the present application after the inner baffle and the outer baffle are separated.
Fig. 8 is a schematic view of an overall operating condition structure of the fourth embodiment of the present application.
Fig. 9 is a schematic structural view of a grouting hopper, a receiving plate and an end plate according to a fourth embodiment of the present invention after separation.
Fig. 10 is an enlarged structure diagram of the connection positions of the bucket body, the vertical sliding plate and the bearing plate in fig. 9.
Description of reference numerals: 1. prefabricating a column; 2. an existing column; 3. a first baffle member; 4. a second baffle member; 5. a middle plate group; 6. an end plate; 7. a plugboard; 8. grouting buckets; 9. grouting holes; 10. a first connecting plate; 11. a first fixed plate; 12. a first slot; 13. a second connecting plate; 14. a second sizing plate; 15. a second slot; 16. a bolt member; 17. a long screw; 18. a connecting nut; 19. an inner baffle; 20. an outer baffle; 21. a guide rail; 22. a guide groove; 23. a short screw; 24. a locking nut; 25. a vertical plate; 26. vertically flanging; 27. a horizontal plate; 28. a first chute; 29. a second chute; 30. extruding the sheet; 31. a bucket body; 32. a vertical sliding plate; 33. adding a flanging; 34. a dovetail block; 35. a dovetail groove; 36. a sliding rib; 37. a sealing plate; 38. a plugging plate; 39. a bearing plate; 40. a raised rib; 41. a plate body.
Detailed Description
The present application is described in further detail below with reference to figures 1-10.
Referring to fig. 1 and 2, the cross section of the prefabricated column 1 is rectangular, one side of the cross section of the prefabricated column 1 is an a side, one side of the adjacent a side of the prefabricated column 1 is a b side, the bottom end of the prefabricated column 1 is coaxially connected to the top end of the existing column 2, and the cross section of the existing column 2 is correspondingly the same as that of the prefabricated column 1.
The first embodiment is as follows:
the embodiment of the application discloses template of prefabricated post connected node. Referring to fig. 1 and 2 again, the bottom end of the formwork is sleeved with the bottom end side wall of the prefabricated column 1, the bottom end of the formwork is sleeved with the top end side wall of the prefabricated column 2 and is surrounded by the bottom end of the formwork, the formwork comprises a first baffle piece 3 and a second baffle piece 4, the first baffle piece 3 and the second baffle piece 4 are rectangular plates parallel to the edge a of the prefabricated column 1, the first baffle piece 3 and the second baffle piece 4 are vertically arranged, the first baffle piece 3 and the second baffle piece 4 are abutted against the side where the edge a of the prefabricated column 1 is located on two opposite sides, and the bottom ends of the first baffle piece 3 and the second baffle piece 4 are abutted against the top end side wall of the prefabricated column 2. An intermediate plate package 5 is connected between the first baffle member 3 and the second baffle member 4.
Referring to fig. 2 and 3, the intermediate plate group 5 includes end plates 6 and bayonet plates 7. The end plate 6 is fixedly connected to one side, close to the second baffle piece 4, of the first baffle piece 3, the end plate 6 is fixedly connected to the end portion, in the length direction, of the side, parallel to the side a, of the first baffle piece 3, the plug board 7 is detachably connected between the end plate 6 and the second baffle piece 4, and the end plate 6 and the plug board 7 are parallel to the side b.
A pouring space is formed between the first baffle piece 3, the second baffle piece, the two end plates 6, the two plug plates 7 and the two end faces of the prefabricated column 1 and the existing column 2 in opposite directions.
The one end an organic whole fixedly connected with slip casting fill 8 of the parallel a side length direction of first baffle piece 3, the bottom of slip casting fill 8 is less than prefabricated post 1 bottom, and the top of slip casting fill 8 is higher than the bottom of prefabricated post 1, and first baffle piece 3 corresponds slip casting fill 8 and has seted up the slip casting hole 9 that link up.
By replacing the plugboard 7 with different length sizes, the length size of the middle plate group 5 is changed, and the adaptability of the template to different b side length sizes of the prefabricated column 1 is improved.
Then, concrete is poured into the grouting hopper 8, thereby filling the casting space.
The socket plate 7 includes a plate body 41 and a sealing plate 37. The plate body 41 is vertically arranged and has a rectangular shape as a whole. The sealing plate 37 has two and respectively fixed connection in the plate body 41 along the both sides of b length of side degree direction, and sealing plate 37 deviates from pouring the space setting to one side that sealing plate 37 deviates from pouring the space and plate body 41 deviate from pouring the one side parallel and level in space. The sealing plates 37 are all disposed along the height direction of the plate body 41.
A vertical first connecting plate 10 is fixed to the end of the end plate 6 near the second shutter member 4, the first connecting plate 10 being located along the full height of the end plate 6. The first connecting plate 10 is connected at one end to the end plate 6 and at the other end extends away from the casting space. One side fixed connection first fixed plate 11 that first connecting plate 10 deviates from end plate 6, first fixed plate 11 along the a length of a side degree direction interval of prefabricated post 1 and mutual parallel distribution have two, first fixed plate 11 sets up along first connecting plate 10 full height. The two first fixing plates 11 and the first connection plate 10 form a first slot 12.
Both ends of the second baffle piece 4 are fixedly connected with second connecting plates 13, and the second connecting plates 13 are arranged along the full height of the second baffle piece 4. The equal fixedly connected with second stereotype 14 of one side that second connecting plate 13 is close to first connecting plate 10, and second stereotype 14 is along the a length of a side degree direction interval of prefabricated post 1 and mutual parallel distribution has two, and first stereotype 11 and second stereotype 14 are corresponding to be set up. Two second sizing plates 14 form a second slot 15.
Two sealing plates 37 of the plug board 7 correspondingly extend into the first slot 12 and the second slot 15 respectively, the sealing plates 37 are in clearance fit with the slot walls of the first slot 12 or the second slot 15, and one side of each sealing plate 37 departing from the board body 41 abuts against the first connecting plate 10 or the second connecting plate 13. At this time, the side surface of the plate 41 parallel to the side length direction of b abuts against the first sizing plate 11 or the second sizing plate 14 near the casting space.
Through first stereotype 11 and the spacing of second stereotype 14 formation horizontal direction to plugboard 7, reduce the probability that the lateral load that produces makes plugboard 7 break away from when concrete placement to improve the overall stability ability of template.
The first shutter member 3 or the second shutter member 4 is locked by the bolt member 16. The bolt member 16, the first connecting plate 10 and the second connecting plate 13 form a connecting member.
Referring to fig. 4, when the lengths of the end plate 6, the first sizing plate 11 and the second sizing plate 14 are matched with the length of the edge of the prefabricated column 1b, the inserting plate 7 may not be provided, and at this time, the first sizing plate 11 and the second sizing plate 14 are abutted. The pouring space is formed by the first baffle piece 3, the second baffle piece 4, the two end plates 6, the first shaping plate 11, the second shaping plate 14, the bottom end of the prefabricated column 1 and the top end of the existing column 2.
The implementation principle of the template of the prefabricated column connecting node is as follows: by replacing the plugboard 7 with different sizes, the application range of the middle plate group 5 to the edge of the prefabricated column 1b is improved. Meanwhile, when the plugboard 7 is replaced, field personnel can also adapt to the replacement of the plugboard 7 by replacing the long screw rods 17 with different length sizes, so that the connection stability of the template is guaranteed.
The plugboard 7 is connected between the first slot 12 and the second slot 15 in a clamped mode, the connection stability of the plugboard 7 can be improved, and the sealing performance between the plugboard 7 and the first connecting plate 10 and the second connecting plate 13 can be improved.
Example two:
the difference between the second implementation and the first implementation lies in that, referring to fig. 5, the second baffle member 4 is fixedly connected with the end plate 6 along the both ends in the a side length direction, the length direction of the end plate 6 of the second baffle member 4 is parallel to the b side of the prefabricated column 1, the end plate 6 of the second baffle member 4 is fixedly connected with the second connecting plate 13 and deviates from one end of the second baffle member 4, the second connecting plate 13 is perpendicular to the end plate 6, one end of the second connecting plate 13 is parallel to one side of the pouring space with the end plate 6, and the other opposite end deviates from the pouring space.
Example three:
the difference between the third embodiment and the first embodiment is that, with reference to fig. 6 and 7, the first baffle member 3 and the second baffle member 4 each comprise an inner baffle 19 and an outer baffle 20, which are attached to each other. The inner baffle 19 is positioned on one side of the outer baffle 20 close to the pouring space, and the inner baffle 19 and the outer baffle 20 are connected in a relative sliding mode in the length direction of the parallel a side. The grouting bucket 8 is now fixedly connected to the end plate 6.
The one end that interior baffle 19 deviates from outer baffle 20 is connected with guide rail 21, and guide rail 21 has a plurality of along the direction of height interval distribution of interior baffle 19, and the interval distribution is implemented to this application has two. The guide rail 21 is arranged parallel to the side length direction of the a, a vertical fixing plate is fixedly connected between one end of the guide rail 21 in the length direction and the inner baffle plate 19, and the fixing plate is positioned at one end, far away from the outer baffle plate 20, of the guide rail 21. The guide rail 21 is further provided with a guide groove 22, the guide groove 22 penetrates in parallel with the thickness direction of the inner baffle 19, and the guide groove 22 is arranged in parallel with the length direction of the guide rail 21.
The outer baffle 20 is fixedly connected with a short screw 23 which is perpendicular to the outer baffle 20 and deviates from one side of the pouring space, the short screw 23 penetrates through the guide groove 22, one end of the short screw 23 penetrating through the guide groove 22 is coaxially screwed with a locking nut 24, and the locking nut 24 is located on one side of the guide rail 21 deviating from the pouring space. The short screw 23, the guide rail 21 and the lock nut 24 form a lock mechanism.
The top end of the outer baffle 20 is higher than the inner baffle 19, and the bottom end of the outer baffle 20 is lower than the inner baffle 19. One side of the outer baffle 20 close to the pouring space is connected with two plugging plates 38, and the two plugging plates 38 are respectively and fixedly connected to two ends of the outer baffle 20 in the height direction. The two ends of the inner baffle 19 in the height direction are in clearance fit with the two opposite sides of the two plugging plates 38, and the inner baffle 19 is connected between the two plugging plates 38 in a sliding manner. One end of the plugging plate 38 along the length direction of the side a is fixedly connected with the end plate 6 fixedly connected with the outer baffle plate 20.
The inner and outer shutters 19 and 20 are relatively horizontally moved, and at this time, the short screw 23 is moved in the guide groove 22. When moved into position, the locking nut 24 is rotated to bring the side of the locking nut 24 adjacent the casting space into abutment with the side of the rail 21 facing away from the casting space, thereby restraining the inner and outer shutters 19 and 20 against relative movement.
Example four:
the difference between the fourth embodiment and the third embodiment is that, referring to fig. 8 and 9, a through grouting hole 9 is formed in the end plate 6, a vertical plate 25 is fixedly connected to one side of the end plate 6 away from the pouring space, two vertical plates 25 are distributed at intervals in the length direction of the parallel b sides of the vertical plate 25, and the two vertical plates 25 are located on two sides of the grouting hole 9. The top end of the vertical plate 25 is higher than the grouting hole 9. The riser 25 is perpendicular with end plate 6, and the equal fixedly connected with in one side that the riser 25 deviates from end plate 6 erects turn-ups 26, erects turn-ups 26 and is close to another riser 25 from place riser 25. A horizontal plate 27 is fixedly connected between the bottom ends of the two vertical plates 25, and a clamping interface formed by a gap is arranged between the horizontal plate 27 and the end plate 6.
Referring to fig. 9 and 10, the two opposite sides of the two risers 25 are fixedly connected with the protruding ribs 40, the protruding ribs 40 are close to the grouting holes 9, the protruding ribs 40 are obliquely arranged, the cross sections of the protruding ribs 40 are arc-shaped, and the two protruding ribs 40 are close to each other from bottom to top.
A bearing plate 39 is connected between the two convex ribs 40, the two sides of the bearing plate 39 parallel to the side b are both provided with second sliding grooves 29, and the convex ribs 40 are vertically connected with the second sliding grooves 29 in a sliding manner. The groove wall of the second sliding groove 29 is also fixedly connected with a flexible extrusion sheet 30, and the extrusion sheet 30 is made of rubber. The extrusion sheet 30 is extruded by the convex rib 40 and the second chute 29, so that the bearing plate 39 is clamped and connected between the two vertical plates 25.
When the receiving plate 39 moves upward, the second sliding groove 29 and the protruding rib 40 will gradually approach, and at the same time, the protruding rib 40 and the second sliding groove 29 will increase the squeezing effect on the squeezing sheet 30, thereby improving the connection performance of the receiving plate 39 and the vertical plate 25. Further, when the receiving plate 39 blocks the grouting hole 9, the sealing performance between the receiving plate 39 and the riser 25 can be improved.
The side of the bearing plate 39 departing from the end plate 6 is further provided with a first sliding chute 28, the first sliding chute 28 is flush with the top end of the bearing plate 39, the top end of the first sliding chute 28 is higher than the bottom end of the bearing plate 39, and the cross section of the first sliding chute 28 is in a dovetail shape.
The grouting hopper 8 comprises a hopper body 31 and a vertical sliding plate 32, and the top end of the hopper body 31 and one end close to the grouting hole 9 are arranged in an opening mode. The two ends of the bucket body 31 in the b side length direction are fixedly connected with additional flanges 33, the additional flanges 33 are attached to one side, close to the end plate 6, of the vertical flange 26, and the inner wall of the bottom end of the bucket body 31 is flush with the bottom end of the hole wall of the grouting hole 9.
A dovetail block 34 is fixedly connected to the bottom of one end of the bucket body 31 close to the grouting hole 9.
One side of the vertical sliding plate 32 close to the bucket body 31 is provided with a vertical dovetail groove 35, and the dovetail block 34 of the bucket body 31 extends into and is slidably connected in the dovetail groove 35.
The side, close to the end plate 6, of the vertical sliding plate 32 is fixedly connected with a sliding rib 36, the cross section of the sliding rib 36 is in a dovetail shape, the sliding rib 36 is vertically connected to the first sliding groove 28 in a sliding mode, the bearing plate 39 is attached to the vertical sliding plate 32, the bearing plate 39 is attached to the end plate 6, and the vertical sliding plate 32 is attached to one end, close to the end, of the bucket body 31.
The receiving plate 39 is vertically moved until the receiving plate 39 and the vertical slide plate 32 shield and block the grouting hole 9 and the opening of the hopper body 31 on the side close to the end plate 6. At this time, the protruding rib 40 and the second sliding groove 29 increase the pressing action on the pressing piece 30, so that the receiving plate 39 is firmly connected between the two vertical plates 25.
Then, the field person grasps the vertical slide plate 32 and moves the vertical slide plate 32 vertically upward relative to the receiving plate 39, the dovetail block 34 of the bucket body 31 abuts against the bottom end of the dovetail groove 35 of the vertical slide plate 32, the field person takes the grouting bucket 8, and the opening of the grouting bucket 8 near the end plate 6 is shielded and blocked by the vertical slide plate 32, so that a container capable of containing concrete is formed. By detaching the grouting bucket 8, the concrete in the grouting bucket 8 can be recovered after the concrete is poured, and the loss during the concrete pouring is reduced.
The embodiment of the application also discloses a prefabricated column connection construction method using the template, and the construction method of the prefabricated column 1 comprises the following steps:
example a:
s1, connecting the prefabricated column 1. The prefabricated column 1 is coaxial with the existing column 2, and then the stress rib between the prefabricated column 1 and the existing column 2 is connected through a sleeve. Then, the two opposite end faces of the prefabricated column 1 and the existing column 2 are roughened and cleaned, and the prefabricated column and the existing column are wetted by clean water and wiped by a towel after being cleaned.
And S2, installing the template.
And S2-1, coating demolding oil on the inner sides of the first baffle piece 3, the second baffle piece 4 and the end plate 6 in advance, and adjusting the distance between the two opposite ends of the first baffle piece 3 and the second baffle piece 4 to enable the first baffle piece 3 and the second baffle piece 4 to be respectively attached to the side surfaces of the two sides a of the prefabricated column 1 and the existing column 2.
S2-2, selecting a plug board 7 with a proper length and size, coating demolding oil on the plug board 7, and enabling two ends of the parallel b edges of the plug board 7 to extend into the space between the first slot 12 and the second slot 15.
S2-3, penetrating bolts 16 between the first connecting plate 10 and the second connecting plate 13, and screwing the bolts 16 to enable two ends, parallel to the b-side length direction, of the plugboard 7 to be respectively abutted against two opposite ends of the first slot 12 and the second slot 15, so that the sealing performance of the connecting position of the plugboard 7 and the end plate 6 or the second baffle plate 4 can be improved.
And S3, pouring concrete. Concrete is poured into the grouting hopper 8, the concrete is preferably self-compacting concrete, when other concrete is adopted, the vibrating rod is firstly stretched into a pouring space from the grouting hopper 8 before pouring, the vibrating rod is started after the concrete is filled, and the vibrating rod is taken out after the vibrating is finished.
And S4, removing the template. The bolt members 16 are removed, the coupling nuts 18 are unscrewed, and then the long screws 17 are removed. The plugboard 7, the first baffle member 3 and the second baffle member 4 are then removed in sequence. When the first baffle piece 3 and the second baffle piece 4 are disassembled, the locking nut 24 is firstly unscrewed, and damage between the locking nut 24 and the guide rail 21 when the first baffle piece 3 and the second baffle piece 4 are disassembled is reduced.
And finally, removing the template and then cutting or chiseling the convex block formed by the grouting hopper 8.
The implementation principle of the construction method of the prefabricated column 1 connecting node using the template in the embodiment of the application is as follows: through the steps, the construction of the connecting joint between the prefabricated column 1 and the existing column 2 is facilitated for field personnel to construct.
Example b:
the embodiment b is different from the embodiment a in that the pouring hopper and the end plate 6 adopt the structure of the fourth embodiment.
In step S3, before the concrete is poured, the mold release oil is applied to the receiving plate 39 on the side closer to the end plate 6. After concrete pouring is completed, the bearing plate 39 and the vertical sliding plate 32 are vertically moved until the bearing plate 39 blocks the grouting hole 9, and then the vertical sliding plate 32 is lifted upwards until the grouting hopper 8 is separated from the end plate 6.
And S4, disassembling the template.
Through dismantling slip casting fill 8, after the slip casting is accomplished, retrieve the concrete in the slip casting fill 8, reduce cost, simultaneously because concrete is retrieved in the slip casting fill 8, consequently reduced the step of cutting or chiseling the lug, reduced the construction degree of difficulty, ensured the complete performance of connected node position concrete.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a prefabricated post connected node's template which characterized in that: the prefabricated column structure comprises a first baffle piece (3) and a second baffle piece (4) which are attached to the outer side wall of the end part of a prefabricated column (1), an intermediate plate group (5) is connected between the end parts of the first baffle piece (3) and the second baffle piece (4), the intermediate plate group (5) comprises an end plate (6) fixedly connected to the end part of the first baffle piece (3) and a plug board (7) detachably connected between the end plate (6) and the end part of the second baffle piece (4), and the end plate (6) and the second baffle piece (4) are detachably connected through a connecting piece; the prefabricated column is characterized in that the end parts of the prefabricated column (1) are surrounded by the first baffle piece (3), the second baffle piece (4), the two end plates (6) and the two insertion plates (7), a pouring space is formed between the end surfaces of the prefabricated column (1) and the existing column (2) and among the first baffle piece (3), the second baffle piece (4), the two end plates (6), the insertion plates (7) and the prefabricated column (1), and a grouting hopper (8) for concrete pouring guiding is connected to the first baffle piece (3) or the end plates (6).
2. A prefabricated pillar connecting node formwork according to claim 1, wherein: the first baffle piece (3) and the second baffle piece (4) respectively comprise an inner baffle (19) and an outer baffle (20) which are mutually attached, the inner baffle (19) and the outer baffle (20) are in relative sliding connection, one side, close to a pouring space, of the outer baffle (20) is fixedly connected with two plugging plates (38), the two plugging plates (38) are distributed along the height direction of the outer baffle (20), one side, close to the pouring space, of each plugging plate (38) is attached to the outer side wall of a prefabricated column (1) or an existing column (2), and a locking mechanism for locking the inner baffle (19) and the outer baffle (20) to move relatively is further connected between the inner baffle (19) and the outer baffle (20); the grouting hopper (8) is connected to the end plate (6).
3. A prefabricated pillar connecting node formwork according to claim 2, wherein: the locking mechanism comprises a guide rail (21) fixedly connected to the inner baffle (19), a short screw rod (23) fixedly connected to the outer baffle (20) and a locking nut (24) coaxially screwed to one end, away from the outer baffle (20), of the short screw rod (23), the guide rail (21) and the short screw rod (23) are arranged away from the pouring space, the guide rail (21) is parallel to the length direction of the first baffle piece (3), one side, away from the pouring space, of the guide rail (21) is provided with a guide groove (22) which is parallel to the length direction of the guide rail (21) and is arranged in a penetrating mode, and the short screw rod (23) is connected into the guide groove (22) in a sliding mode; a gap exists between the guide rail (21) and the inner baffle (19), and the outer baffle (20) is connected between the guide rail (21) and the inner baffle (19) in a sliding manner.
4. A prefabricated pillar connecting node formwork according to claim 1, wherein: the connecting piece includes first connecting plate (10) that fixed connection is close to second baffle spare (4) one end in end plate (6), fixed connection in second connecting plate (13) of second baffle spare (4) tip and wear to locate bolt spare (16) between first connecting plate (10) and second connecting plate (13), second connecting plate (13) are parallel to each other with first connecting plate (10).
5. A prefabricated pillar connecting node formwork according to claim 4, wherein: the first connecting plate (10) is perpendicular to the end plate (6), the first connecting plate (10) is located on one side, away from the pouring space, of the end plate (6), one side, away from the end plate (6), of the first connecting plate (10) is fixedly connected with two first fixing plates (11) which are parallel to each other and arranged at intervals, the first fixing plates (11) are perpendicular to the first connecting plate (10), and a first slot (12) is formed between the two first fixing plates (11); one side fixedly connected with that second connecting plate (13) is close to first connecting plate (10) two second of being parallel to each other and interval setting are stereotyped board (14), and second is stereotyped board (14) and second connecting plate (13) perpendicular, two form second slot (15) between second stereotype board (14), the both ends of plugboard (7) stretch into respectively in first slot (12) and second slot (15).
6. A prefabricated pillar connecting node formwork according to claim 2, wherein: one side, away from the pouring space, of the end plate (6) is fixedly connected with two vertical plates (25) which are parallel to each other and distributed at intervals, a horizontal plate (27) is fixedly connected between the bottom ends of the two vertical plates (25), one sides, away from the end plate (6), of the vertical plates (25) are also fixedly connected with vertical flanges (26), the two vertical flanges (26) on the two vertical plates (25) are arranged in opposite directions, and a gap exists between the horizontal plate (27) and the end plate (6); a bearing plate (39) is further connected between the horizontal plate (27) and the end plate (6), one side of the bearing plate (39) is vertically connected to the end plate (6) in a sliding mode, a first through sliding chute (28) is vertically formed in the other side, opposite to the bearing plate (39), of the bearing plate (39), the top end of the first sliding chute (28) is flush with the bearing plate (39), and the bottom end of the first sliding chute (28) is higher than the bottom end of the bearing plate (39); slip casting fill (8) include bucket body (31) and connect in the perpendicular slide (32) that bucket body (31) is close to end plate (6) one side, perpendicular slide (32) vertical slip relatively is spacing to be connected on bucket body (31), perpendicular slide (32) are close to one side fixedly connected with first slip rib (36) of end plate (6), first slip rib (36) vertical sliding connection is in first spout (28).
7. A prefabricated pillar connecting node formwork according to claim 6, wherein: second sliding grooves (29) are formed in two sides of the bearing plate (39), protruding ribs (40) are fixedly connected to two opposite sides of the two vertical plates (25), the protruding ribs (40) are connected into the second sliding grooves (29) in a sliding mode, and the two protruding ribs (40) incline in opposite directions from bottom to top; a flexible extrusion sheet (30) is connected between the groove wall of the second sliding groove (29) and the raised rib (40).
8. A prefabricated column joint construction method using the formwork of any one of claims 1 to 5: s1, connecting the prefabricated column (1), and connecting the prefabricated column (1) to the existing column (2); s2, installing templates, selecting a plugboard (7) with a proper length and size, connecting the chosen plugboard (7) between the end plate (6) and the second baffle plate (4), and then locking the first baffle plate (3), the middle plate group (5) and the second baffle plate (4) by adopting connecting pieces; s3, pouring concrete; and S4, removing the template, and cutting or chiseling the bump formed by the grouting hopper (8) after removing the template.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111206355.2A CN113958121A (en) | 2021-10-16 | 2021-10-16 | Template for prefabricated column connecting node and node construction method using template |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111206355.2A CN113958121A (en) | 2021-10-16 | 2021-10-16 | Template for prefabricated column connecting node and node construction method using template |
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| CN113958121A true CN113958121A (en) | 2022-01-21 |
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