CN114215347A - Template for chiseling-free post-cast strip and construction joint and construction method - Google Patents
Template for chiseling-free post-cast strip and construction joint and construction method Download PDFInfo
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- CN114215347A CN114215347A CN202111468570.XA CN202111468570A CN114215347A CN 114215347 A CN114215347 A CN 114215347A CN 202111468570 A CN202111468570 A CN 202111468570A CN 114215347 A CN114215347 A CN 114215347A
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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
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/001—Corner fastening or connecting means for forming or stiffening elements
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/075—Tying means, the tensional elements of which are fastened or tensioned by other means
- E04G17/0755—Tying means, the tensional elements of which are fastened or tensioned by other means the element consisting of several parts
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- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention provides a template for a chiseling-free post-cast strip and a construction joint and a construction method, wherein the template comprises the following steps: at least one pair of formworks arranged in a group, wherein the pair of formworks comprises a first formwork and a second formwork, and the first formwork and the second formwork define the width of a construction joint; opening structures are arranged at corresponding positions on the first template and the second template and used for arranging reinforcing steel bars; and one sides of the first template and the second template which are opposite to each other are connected through a connecting rod. Compared with the prior art, the invention has the advantages that the installation is carried out by adopting an insertion method, the disassembly and the assembly are convenient, and the repeated use can be realized; the connecting rod is manufactured according to the size of the on-site construction joint, so that the width and the forming effect of the construction joint are ensured; fix the reinforcing bar through the reinforcing bar opening, carry out the shutoff with only the thick liquid cap to the opening, prevent to leak the thick liquid, also guaranteed reinforcing bar protective layer thickness and upper and lower layer reinforcing bar interval, prevent that upper and lower layer reinforcing bar from overlapping.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to a template for a chiseling-free post-cast strip and a construction joint and a construction method.
Background
The post-cast strip of the cast-in-place reinforced concrete structure in the construction engineering aims to prevent harmful cracks possibly generated by the cast-in-place reinforced concrete structure due to uneven temperature and shrinkage on the one hand, and reserves temporary construction joints at corresponding positions of a floor top plate, a wall and a beam on the other hand in order to meet the requirement of on-site running water division. After the design and construction standard requirements are met, the construction joints at the positions are poured by high-grade concrete, and the structures are connected into a whole. The traditional post-cast strip stubble processing method adopts a template matched with a batten to fix a steel wire mesh for interception, and the post-processing mainly adopts a plurality of methods such as surface roughening, high-pressure water washing of leaked aggregates, arrangement of inserted bars in a short steel bar plum blossom shape and the like. The traditional post-cast strip stubble processing method easily causes the loose connection between a steel wire mesh and a steel bar, the infirm positioning of a template causes the leakage of the concrete during the pouring, and meanwhile, the wooden template or the steel fence plate mesh can not be circulated, so that the material waste is serious. In the post-treatment process, the problems of loose concrete, residual garbage, poor forming quality, poor leakage prevention capability and the like at the joint part are easily caused by picking and chiseling the joint surface of the construction joint, and if the detail treatment is improper, the quality problem of secondary treatment is caused during the post-construction.
Disclosure of Invention
The invention aims to solve the problem of providing a template for a chiseling-free post-cast strip and a construction joint and a construction method, wherein the chiseling-free post-cast strip and the construction joint are used as main construction tools, and a steel wire mesh is not adopted in the construction process, so that the steel wire mesh does not need to be taken out for chiseling at the later stage, the adverse effect caused by rusting of the steel wire mesh is avoided, meanwhile, the overall structural strength is higher, the deformation capability is improved, collapse and leakage hidden trouble cannot exist, the chiseling is avoided integrally, the installation is easy, the joint capability is strong, and meanwhile, the strength of a cast body can be increased.
In order to solve the technical problems, the invention adopts the technical scheme that: a template for chiseling-free post-cast strip and construction joint stubbles, comprising: at least one pair of formworks arranged in a group, wherein the pair of formworks comprises a first formwork and a second formwork, and the first formwork and the second formwork define the width of a construction joint;
opening structures are arranged at corresponding positions on the first template and the second template and used for arranging reinforcing steel bars;
and one sides of the first template and the second template which are opposite to each other are connected through a connecting rod.
Furthermore, first openings are uniformly arranged at intervals on two sides of the first template along the length direction;
and second openings are uniformly arranged on the two sides of the second template along the length direction at intervals.
Furthermore, the openings of the first openings arranged at two sides of the first template in the length direction are deviated from each other;
the openings of the second openings arranged on the two sides of the second template in the length direction are deviated from each other.
Furthermore, the first opening and the second opening are provided with grout stopping caps for plugging the reinforcing steel bars.
Furthermore, a first plate surface protruding structure is arranged on one side, away from the second template, of the first template;
and a second plate surface protruding structure is arranged on one side of the second template, which is far away from the first template.
Furthermore, a plurality of first fixed interfaces are uniformly distributed on one side, close to the second template, of the first template, and the first fixed interfaces are connected to one side of the connecting rod;
the second template is close to one side equipartition of first template is provided with a plurality of second fixed interfaces, second fixed interface connect in the opposite side of connecting rod.
Further, the first fixing interface is arranged on any side of the first opening;
the second fixing interface is arranged on any side of the second opening corresponding to the first opening.
A construction method for a chiseling-free post-cast strip and a construction joint, comprising the following steps:
preparing a plurality of paired templates, averagely setting the lengths of the templates according to the length of a construction joint and the division of a flowing water section, setting the heights of the templates according to the heights of the construction joint, and adjusting the positions of the templates to be straight and correct;
first openings are arranged at intervals along two sides of the length direction of the first template, second openings are arranged at intervals along two sides of the length direction of the second template, and the steel bars are bound according to the intervals between the adjacent first openings and the intervals between the adjacent second openings of the steel bar construction joint steel bar;
after the steel bars at the construction joints are bound, inserting the construction joint steel bars into the first opening and the second opening, and plugging the opening ends by adopting a grout stopping cap;
sequentially installing a plurality of templates which are arranged in pairs, connecting the templates which are arranged in pairs end to end, plugging the abutted seams of the adjacent templates by sponge strips, and connecting the templates which are arranged in pairs through the connecting rods;
binding the connecting rods and the reinforcing steel bars corresponding to the adjacent positions, and fixing the position of the template;
and pouring concrete, sequentially unbinding the connecting rods and the corresponding reinforcing steel bars after the formwork stripping condition is achieved, removing the loose connecting rods, removing the grout stopping caps and the formworks, and cleaning for repeated use.
Furthermore, one end of the connecting rod is connected to a first fixing interface on the first template; the other end of the connecting rod is connected with a second fixed interface on the second template.
Furthermore, the first fixed interface and the second fixed interface are provided with a plurality of interfaces.
Due to the adoption of the technical scheme, the method has the following beneficial effects:
compared with the prior art, the installation by adopting an insertion method is convenient to disassemble and assemble and can be repeatedly used;
the connecting rod is manufactured according to the size of the on-site construction joint, so that the width and the forming effect of the construction joint are ensured;
the reinforcing steel bars are fixed through the reinforcing steel bar openings, and the openings are plugged by the grout stop caps, so that grout leakage is prevented, the thickness of the reinforcing steel bar protective layer and the distance between the reinforcing steel bars on the upper layer and the lower layer are ensured, and the reinforcing steel bars on the upper layer and the lower layer are prevented from being overlapped;
the side wall of the formed concrete forms a net-shaped pitted surface by using the plate surface protruding structure, so that adverse effects of loose concrete, garbage residue and the like at a joint position of later picking and chiseling are reduced;
the connecting rods are arranged on the left side of the upper reinforcing steel bar and the right side of the lower reinforcing steel bar and are connected with the reinforcing steel bars in a binding mode, and therefore displacement of the construction joint position due to factors such as personnel walking or concrete impact is avoided.
Drawings
FIG. 1 is a front view of one embodiment of the present invention;
FIG. 2 is a rear view of one embodiment of the present invention;
FIG. 3 is an overall block diagram of a connecting rod according to an embodiment of the present invention;
FIG. 4 is an overall configuration view of a grout cap in accordance with an embodiment of the present invention;
fig. 5 is a schematic diagram of the operation of one embodiment of the present invention.
In the figure:
1. metal plate 2, positioning hole 3 and plate surface protruding structure
4. Fixing screw cap 5, connecting rod 6 and grout stopping cap
Detailed Description
The invention is further illustrated by the following examples and figures:
in one embodiment of the present invention, as shown in fig. 1, 2 and 5, a form for chiseling-free post-cast strip and construction joint comprises: the pair of templates comprises a first template and a second template which are connected through a connecting rod, and the width of a construction joint is limited by the first template and the second template in the using process; and meanwhile, the corresponding positions of the first template and the second template are provided with opening structures, the opening structures are used for arranging reinforcing steel bars, and the first template and the second template are connected through the reinforcing steel bars.
In this embodiment, the first template and the second template have the same structure, and both adopt a metal plate 1, the metal plate 1 is a rectangular metal plate, wherein the length of the long side of the metal plate 1 is determined according to the length of the construction joint, and the width of the metal plate 1 is slightly higher than the height of the construction joint; in the work progress, rationally lay the metal sheet 1 that the multiunit set up in pairs according to the length of construction joint, and adopt metal sheet 1 stand wear and tear, be favorable to a lot of recycle.
As shown in fig. 1 and 2, a plurality of first fixing interfaces are uniformly distributed on one side of the first template close to the second template, and a first plate surface protruding structure is arranged on one side of the first template far from the second template; a plurality of second fixing interfaces are uniformly distributed on one side, close to the first template, of the second template, and a second plate surface protruding structure is arranged on one side, far away from the first template, of the second template; the first fixed interface is connected to one side of the connecting rod, the second fixed interface is connected to the other side of the connecting rod, and the first template and the second template are connected through the connecting rod. The first fixed interface is arranged on any side of the first opening, and the second fixed interface is arranged on any side of the second opening which is correspondingly connected with the first opening.
In this embodiment, first face protruding structure and second face protruding structure are face protruding structure 3, in the post-processing, pick and chisel construction joint face, cause the loose concrete of joint department, rubbish remains easily, the shaping quality is poor, leak protection ability subalternation problem, if the detail is handled inadequately and the quality problem that secondary treatment appears when leading to the post construction, adopt face protruding structure to make concrete shaping back lateral wall form netted rough surface, reduce the bad influence such as the joint department loose concrete that later stage picked and chiseled and made, rubbish remains, it is whole to exempt from to pick and chisel, easy installation and joint ability reinforce, can increase the intensity of the body of pouring simultaneously.
In this embodiment, the first fixing interface and the second fixing interface both adopt fixing nuts 4, and the fixing nuts 4 can be directly welded with opposite sides of the pair of metal plates 1; correspondingly, the connecting rod matched with the fixing nut 4 adopts the connecting rod 5 with threads at two ends, so that the connecting rod is conveniently connected with the fixing nut 4. Wherein, connecting rod 5 sets up two respectively about at least per meter, as shown in fig. 2, keeps the supporting role through connecting rod 5, leaves the space of walking for constructor simultaneously, and the length of connecting rod 5 is confirmed according to the width of construction joint. Connecting rod 5 sets up on upper portion reinforcing bar left side, lower part reinforcing bar right side with the reinforcement in the work progress, is connected with reinforcement, has guaranteed that the construction joint position does not produce the displacement because of factors such as personnel walk about or concrete impact, and overall structure intensity is higher, improves deformability, can not have and collapse to and the seepage hidden danger.
As shown in fig. 1 and 2, the first template is uniformly provided with first openings at intervals on both sides in the length direction; second openings are uniformly arranged at intervals on two sides of the second template along the length direction; in this embodiment, first opening and second opening are reinforcing bar opening 2, and is concrete, and reinforcing bar opening 2 is U type mouth, arranges according to the reinforcing bar interval along 1 length direction of metal sheet, and this reinforcing bar opening 2's opening width slightly is greater than the reinforcing bar diameter can, and the opening height is unanimous with the thickness of reinforcing bar protective layer, and this reinforcing bar opening 2's U type mouth opening is seted up towards the direction that deviates from metal sheet 1. In the construction process, the steel plate is arranged perpendicular to a floor top plate, a beam bottom or a wall surface.
In this embodiment, the steel bar openings 2 are uniformly spaced along two sides of the metal plate 1 in the length direction, wherein the steel bar openings 2 located on the two sides of the metal plate 1 in the length direction are symmetrically arranged, in the construction process, steel bars are placed in the steel bar openings 2, and the steel bar openings 2 are also provided with grout stopping caps 6 as shown in fig. 4 for plugging the steel bars arranged in the steel bar openings 2; in this embodiment, only thick liquid cap 6 is the flexible piece, and the width slightly is greater than the opening width, and the radian structure that laminating reinforcing bar set up is set to one side of only thick liquid cap 6, and it is fixed with opening both sides metal sheet to set up logical groove respectively with the adjacent both sides of radian structure, ends the thick liquid cap and carries out the shutoff to the opening, prevents to leak thick liquid, has also guaranteed reinforcing bar protective layer thickness and upper and lower layer reinforcing bar interval, prevents that upper and lower layer reinforcing bar from overlapping.
In addition, in the embodiment, the fixing nuts 4 are arranged on the left side of the upper steel bar opening 2 and the right side of the lower steel bar opening 2 as shown in fig. 2, so that the fixing nuts can be conveniently bound with the steel bars arranged in the steel bar openings 2; it is contemplated that the securing nuts 4 may be provided on either of the other two sides of the rebar opening 2.
The working process of one embodiment of the invention is as follows:
preparing a plurality of pairs of metal plates 1 in sequence;
1. the length of metal sheet 1 is averagely set according to the length of construction joint and the division of flowing water section, and the height of metal sheet 1 is set according to the height of construction joint, and the height that highly is higher than the construction joint of metal sheet 1, the position of adjustment metal sheet 1 is straight and just the position is correct, and the piece joint department of adjacent metal sheet 1 can adopt the sponge strip shutoff.
2. Equal interval in 1 length direction both sides of metal sheet is provided with reinforcing bar opening 2, according to the interval between the adjacent reinforcing bar opening 2 of reinforcing bar construction joint reinforcing bar interval, treat construction joint department reinforcement completion back, leave the one side that is equipped with face projecting structure 3 with metal sheet 1 and set up in concrete placement one side, in construction joint reinforcing bar alternates reinforcing bar opening 2, and the open end of reinforcing bar opening 2 adopts and ends thick liquid cap 6 and carry out the shutoff.
3. After a plurality of metal sheets 1 arranged in pairs on two sides of the construction joint are installed, the metal sheets 1 arranged in pairs are connected through a connecting rod 5, and two ends of the connecting rod 5 are connected to fixing screw caps 4 arranged on the metal sheets 1 arranged in pairs respectively.
4. And (3) repeating the steps 1-3, sequentially installing the metal plates 1 to enable the metal plates to be connected end to end, adjusting the positions of the metal plates 1 to enable the metal plates to be straight and correct in position, plugging the abutted seams of the adjacent metal plates 1 by sponge strips, binding the connecting rods 5 with the reinforcing steel bars corresponding to the adjacent positions, and fixing the position of each metal plate 1.
And pouring concrete, sequentially unbinding the connecting rods 5 and the corresponding reinforcing steel bars after the form removal condition is achieved, removing the connecting rods 5, removing the grout stopping caps 6 and the metal plates 1, and cleaning for repeated use.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (10)
1. A template for exempting from to pick chisel post-cast strip and construction joint stubble department, its characterized in that includes: at least one pair of formworks arranged in a group, wherein the pair of formworks comprises a first formwork and a second formwork, and the first formwork and the second formwork define the width of a construction joint;
opening structures are arranged at corresponding positions on the first template and the second template and used for arranging reinforcing steel bars;
and one sides of the first template and the second template which are opposite to each other are connected through a connecting rod.
2. The template for chiseling-free post-cast strip and construction joint stubbles as claimed in claim 1, wherein: first openings are uniformly arranged at intervals on two sides of the first template along the length direction;
and second openings are uniformly arranged on the two sides of the second template along the length direction at intervals.
3. The template for chiseling-free post-cast strip and construction joint stubbles as claimed in claim 2, wherein: the openings of the first openings arranged on the two sides of the first template in the length direction are deviated from each other;
the openings of the second openings arranged on the two sides of the second template in the length direction are deviated from each other.
4. The template for chiseling-free post-cast strip and construction joint stubbles as claimed in claim 2, wherein: and the first opening and the second opening are provided with grout stopping caps for plugging the reinforcing steel bars.
5. The template for chiseling-free post-cast strip and construction joint stubbles as claimed in claim 1, wherein: a first plate surface protruding structure is arranged on one side, far away from the second template, of the first template;
and a second plate surface protruding structure is arranged on one side of the second template, which is far away from the first template.
6. The template for chiseling-free post-cast strip and construction joint stubbles as claimed in claim 2, wherein: a plurality of first fixed interfaces are uniformly distributed on one side, close to the second template, of the first template, and the first fixed interfaces are connected to one side of the connecting rod;
the second template is close to one side equipartition of first template is provided with a plurality of second fixed interfaces, second fixed interface connect in the opposite side of connecting rod.
7. The template for chiseling-free post-cast strip and construction joint stubbles as claimed in claim 6, wherein: the first fixing interface is arranged on any side of the first opening;
the second fixing interface is arranged on any side of the second opening corresponding to the first opening.
8. A construction method for a chiseling-free post-cast strip and a construction joint, which is suitable for the template for the chiseling-free post-cast strip and the construction joint according to claim 1, and comprises the following steps:
preparing a plurality of paired templates, averagely setting the lengths of the templates according to the length of a construction joint and the division of a flowing water section, setting the heights of the templates according to the heights of the construction joint, and adjusting the positions of the templates to be straight and correct;
first openings are arranged at intervals along two sides of the length direction of the first template, second openings are arranged at intervals along two sides of the length direction of the second template, and the steel bars are bound according to the intervals between the adjacent first openings and the intervals between the adjacent second openings of the steel bar construction joint steel bar;
after the steel bars at the construction joints are bound, inserting the construction joint steel bars into the first opening and the second opening, and plugging the opening ends by adopting a grout stopping cap;
sequentially installing a plurality of templates which are arranged in pairs, connecting the templates which are arranged in pairs end to end, plugging the abutted seams of the adjacent templates by sponge strips, and connecting the templates which are arranged in pairs through the connecting rods;
binding the connecting rods and the reinforcing steel bars corresponding to the adjacent positions, and fixing the position of the template;
and pouring concrete, sequentially unbinding the connecting rods and the corresponding reinforcing steel bars after the formwork stripping condition is achieved, removing the loose connecting rods, removing the grout stopping caps and the formworks, and cleaning for repeated use.
9. The construction method for the pick-free post-cast strip and the construction joint according to claim 8, wherein: one end of the connecting rod is connected to a first fixing interface on the first template; the other end of the connecting rod is connected with a second fixed interface on the second template.
10. The construction method for the pick-free post-cast strip and the construction joint according to claim 9, wherein: the first fixed interface and the second fixed interface are provided with a plurality of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111468570.XA CN114215347A (en) | 2021-12-03 | 2021-12-03 | Template for chiseling-free post-cast strip and construction joint and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111468570.XA CN114215347A (en) | 2021-12-03 | 2021-12-03 | Template for chiseling-free post-cast strip and construction joint and construction method |
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| CN114215347A true CN114215347A (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111468570.XA Pending CN114215347A (en) | 2021-12-03 | 2021-12-03 | Template for chiseling-free post-cast strip and construction joint and construction method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673346A (en) * | 2022-04-17 | 2022-06-28 | 南通新华建筑集团有限公司 | Modular post-cast strip assembled side mold structure and construction method thereof |
| CN114753637A (en) * | 2022-04-21 | 2022-07-15 | 中建八局第一建设有限公司 | Recyclable post-pouring belt forming protection device and mounting method thereof |
| CN114809604A (en) * | 2022-05-11 | 2022-07-29 | 中国十九冶集团有限公司 | Pouring template and pouring structure for sealing post-pouring belt of shear wall |
-
2021
- 2021-12-03 CN CN202111468570.XA patent/CN114215347A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673346A (en) * | 2022-04-17 | 2022-06-28 | 南通新华建筑集团有限公司 | Modular post-cast strip assembled side mold structure and construction method thereof |
| CN114753637A (en) * | 2022-04-21 | 2022-07-15 | 中建八局第一建设有限公司 | Recyclable post-pouring belt forming protection device and mounting method thereof |
| CN114753637B (en) * | 2022-04-21 | 2023-06-16 | 中建八局第一建设有限公司 | Turnover post-pouring belt forming protection device and installation method thereof |
| CN114809604A (en) * | 2022-05-11 | 2022-07-29 | 中国十九冶集团有限公司 | Pouring template and pouring structure for sealing post-pouring belt of shear wall |
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