CN114482525B - Construction method for embedded butt-spliced templates of masonry tie bars - Google Patents
Construction method for embedded butt-spliced templates of masonry tie bars Download PDFInfo
- Publication number
- CN114482525B CN114482525B CN202210150401.XA CN202210150401A CN114482525B CN 114482525 B CN114482525 B CN 114482525B CN 202210150401 A CN202210150401 A CN 202210150401A CN 114482525 B CN114482525 B CN 114482525B
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- templates
- tie bars
- spliced
- butt
- gap
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- 238000010276 construction Methods 0.000 title claims abstract description 44
- 230000000903 blocking effect Effects 0.000 claims abstract description 9
- 238000009415 formwork Methods 0.000 claims description 18
- 238000009416 shuttering Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 6
- 238000005553 drilling Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 description 11
- 230000009286 beneficial effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000003292 glue Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
- E04G11/085—End form panels for walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
-
- 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
- E04G17/005—Strips for covering joints between form sections, e.g. to avoid burring or spilling of laitance
Abstract
The invention relates to a construction method of a pre-buried spliced template of masonry tie bars, which comprises the steps of adopting two spliced templates which are identical in structure and provided with tie bar perforations through which the tie bars pass to be mutually butted and fastened when a concrete structure is constructed, taking the templates which are butted and fastened by the two spliced templates as end templates of the construction concrete structure, then enabling the tie bars to pass through the end templates, arranging a blocking block between the two spliced templates to block a gap between the tie bars and the end templates, and finally pouring concrete to pour one part of the tie bars into the concrete structure, and connecting the part of the tie bars exposed out of the concrete structure with the masonry structure. The invention adopts the construction mode that the tie bars are poured together with the main body structure, improves the integrity of the tie bars and the concrete structure, does not need later drilling and bar planting, optimizes the construction process and saves the bar planting material cost and the labor cost.
Description
Technical Field
The invention relates to a construction method for a pre-buried butt-spliced template of masonry tie bars.
Background
In general, tie bars are implanted between the concrete structure and the masonry structure to increase the overall strength and the shock resistance of the building, and the reserved bars can be selected or the implanted bars can be selected during construction, so that the primary structure and the secondary structure of the building can reach a certain stability.
When the post-reinforcement process is adopted, holes are drilled on the concrete structure for reinforcement insertion, holes can produce certain influence on the quality of surrounding concrete on the concrete structure, reinforcement glue is needed to be used when reinforcement is planted, the service life of the reinforcement glue is greatly influenced by the external environment, the reinforcement effect is influenced if sundries exist in the reinforcement holes, and in reinforcement, the actual anchoring depth is reduced if the reinforcement glue is not fully injected. In addition, a period of time is reserved after the construction of the primary structure is finished, professional bar planting teams are required to plant bars on site, the masonry construction of the masonry wall can be carried out after the bar planting is finished and the test is qualified, and the construction period is correspondingly prolonged. When the concrete structure reserves the reinforcing bar, because the tie reinforcing bar needs to pass the template, later stage demolishs the template comparatively difficultly.
Disclosure of Invention
In view of the above, the invention aims to provide a construction method for a pre-buried butt-spliced template of masonry tie bars, which aims to solve the technical problems of complicated and low efficiency when the tie bars are implanted between a masonry structure and a concrete structure in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a construction method for a pre-buried butt-spliced formwork of a masonry tie bar is characterized in that when a concrete structure is constructed, two butt-spliced formworks which are identical in structure and provided with tie bar perforations through which the tie bar passes are butted and fastened with each other, the formworks which are butted and fastened by the two butt-spliced formworks are used as end formworks of the construction concrete structure, the tie bar passes through the end formworks, a blocking block is arranged between the two butt-spliced formworks to block a gap between the tie bar and the end formworks, and finally concrete is poured to pour one part of the tie bar into the concrete structure, and the part of the tie bar exposed out of the concrete structure is connected with the masonry structure.
The beneficial effects of the technical scheme are as follows: the construction method is characterized in that two butt-joint templates with holes are spliced and reinforced at the end part of a concrete structure by adopting a construction mode that tie bars are poured together with a main body structure, tie bar perforation is reserved, after the templates are reinforced, the tie bars are directly inserted into the reserved holes, the holes are blocked by using blocking blocks, and then shear wall concrete is poured normally. Compared with the post-reinforcement-planting method, the method improves the integrity of the tie reinforcement and the concrete structure, and each quality index completely meets the design and specification requirements and reduces the reject ratio. The masonry wall construction can be carried out after the concrete structure construction is completed, post drilling and bar planting are not needed, construction procedures are optimized, and bar planting material cost and labor cost are saved.
Further, a plurality of tie bar perforations which are arranged at intervals along the up-down direction are arranged on the pair of spliced templates, the tie bar perforations are U-shaped holes which are matched with the diameters of the tie bars, the tie bar perforations extend to the end faces of the pair of spliced templates, after the two pair of spliced templates are mutually butted, a waist-shaped hole is formed between the two corresponding tie bar perforations on the two pair of spliced templates, and the waist-shaped hole comprises two round parts which are positioned at the end parts and have the same shape as the tie bars and a gap part which is positioned between the two round parts.
The beneficial effects are that: the tie bar is convenient to be put on the spliced templates relatively.
Further, the shutoff piece includes clearance shutoff block and perforation shutoff block, and the clearance shutoff block is in with the shape adaptation of clearance part, and the clearance shutoff block is installed in the clearance part, the thickness of clearance shutoff block is the same with the thickness to the spelling template, be equipped with on the perforation shutoff block with the block perforation that is used for supplying the drawknot reinforcing bar to pass of circular part adaptation, the length of perforation shutoff block is greater than the length of waist type hole.
The beneficial effects are that: the blocking block is ensured to simultaneously block the gap part and the possible pore at the block perforation part, so that the concrete is prevented from leaking from the gap part during pouring.
Further, two ends of the perforated plugging block body are provided with breaking seams, and the breaking seams extend to the perforated positions of the block body.
The beneficial effects are that: the perforated plugging block body can be broken through the breaking seam, so that the assembly between the tie bar and the block perforation is facilitated.
Further, the plugging block is made of elastic plastic.
The beneficial effects are that: the installation and the dismantlement of the shutoff piece of being convenient for.
Further, a fastening clamping strip is detachably connected between the two pair of spliced templates, and the fastening clamping strip is rotationally assembled with at least one pair of spliced templates.
The beneficial effects are that: the angle of the fastening strip can be adjusted, so that the fastening clip strip can be accurately connected with a fixed structure on the butt-jointed template.
Further, the fastening clamping strip is provided with a rotation fixing hole and a clamping groove, the clamping groove is a U-shaped opening groove, and the rotation fixing hole and the clamping groove are respectively connected with the corresponding butt-jointed templates.
The beneficial effects are that: the clamping groove enables the fastening clamping strip to have a larger connection range, and can adapt to the change of the position of the fixing structure on the corresponding spliced template.
Further, the fastening card strip is provided with a plurality ofly along upper and lower direction interval, and the shutoff piece is provided with a plurality ofly along upper and lower direction interval, and fastening card strip and shutoff piece set up in turn in upper and lower direction.
The beneficial effects are that: the reinforcement of the spliced templates and the blocking of gaps are ensured.
Drawings
FIG. 1 is a diagram showing the installation effect of an end form in a construction method of a masonry tie bar embedded pair-spliced form according to the present invention;
FIG. 2 is a schematic diagram of a construction method of a butt-spliced template in which masonry tie bars are embedded;
FIG. 3 is a schematic structural view of fastening strips in the construction method of the embedded butt-spliced template of the masonry tie bars;
FIG. 4 is a schematic diagram of the fastening between the fastening clip and the butt-spliced form in the construction method of the butt-spliced form embedded with masonry tie bars;
FIG. 5 is a schematic structural view of a block in the construction method of the embedded butt-spliced formwork of the masonry tie bar of the invention;
FIG. 6 is a schematic diagram of the assembly between the block and tie bars in the construction method of the embedded butt-spliced templates of the masonry tie bars of the present invention;
fig. 7 is a schematic diagram of plugging blocks in the construction method of the embedded pair-spliced formwork of the masonry tie bar.
Reference numerals: the device comprises a 1-pair of spliced templates, 2-tie bar perforation, 3-plugging blocks, 4-perforation plugging blocks, 5-gap plugging blocks, 6-tie bars, 7-breaking seams, 8-block perforation, 9-fastening clamping strips, 10-clamping grooves, 11-bolts, 12-nuts and 13-clamping grooves.
Detailed Description
The invention is described in further detail below with reference to the drawings and detailed description.
The concrete embodiment of the construction method of the embedded butt-jointed template of the masonry tie bar comprises the following steps:
as shown in fig. 6, in the construction method of the masonry tie bar embedded butt-splice formwork of the present invention, when a concrete structure is constructed, two butt-splice formworks 1 which have the same structure and are provided with tie bar penetrating holes through which the tie bar 6 penetrates are butted and fastened with each other, two butt-splice formworks 1 are butted and fastened with each other to be used as end formworks of the construction concrete structure, then the tie bar 6 penetrates through the end formworks, and a blocking block 3 is arranged between the two butt-splice formworks 1 to block a gap between the tie bar 6 and the end formworks, and finally concrete is poured to pour a part of the tie bar 6 into the concrete structure, and the part of the tie bar exposed outside the concrete structure is connected with the masonry structure.
Specifically, in construction, a common concrete structure is a shear wall. In this embodiment, as shown in fig. 2, the structure of the butt-jointed template 1 is used, four tie bar perforations 2 are arranged on each butt-jointed template 1 at intervals along the up-down direction, the tie bar perforations 2 are U-shaped holes with diameters matched with those of the tie bars 6, and the tie bar perforations 2 extend to the end faces of the butt-jointed template 1. As shown in fig. 1, the two paired templates 1 are fastened and butted by adopting four groups of fastening clamping strips 9, at this time, a waist-shaped hole is formed between the two corresponding tie bar perforations 2 on the two paired templates 1, and the waist-shaped hole comprises two circular parts which are positioned at the end parts and have the same shape as the tie bars 6 and a gap part positioned between the two circular parts. The gap part is the part of the waist-shaped hole between the two tie bars after the two tie bars 6 pass through the waist-shaped hole.
As shown in fig. 1, 3 and 4, the fastening clip strip 9 is detachably connected between two pair of split templates 1. The fastening clamping strip 9 is provided with a rotation fixing hole and a clamping groove 10, the clamping groove 10 is a U-shaped open groove, and the rotation fixing hole and the clamping groove 10 are respectively connected with the corresponding butt-jointed template 1 through bolts 11 and nuts 12. An embedding groove for embedding the head of the bolt 11 is formed in one side, facing away from the fastening clamping strip 9, of the spliced form 1, so that after the fastening clamping strip 9 is well fixed, the head of the bolt 11 is flush with the corresponding side of the spliced form 1, and the quality of concrete pouring is not affected. When the nuts 12 at the rotation fixing holes are unscrewed, the fastening clamping strips 9 can rotate around the axes of the rotation fixing holes, so that the direction of the clamping grooves 10 is adjusted, and the clamping grooves 10 can be correspondingly connected with the bolts on the other pair of spliced templates 1.
The block 3 used in this embodiment has a structure shown in fig. 5, 6 and 7, and the block 3 includes a gap block 5 and a perforated block 4. Wherein, the shape and the size of clearance shutoff block 5 and clearance part are all adapted, and clearance shutoff block 5 installs in the clearance part, and the thickness of clearance shutoff block 5 is the same with the thickness to the template 1. The perforation shutoff block 4 and the gap shutoff block 5 are integrally formed, block perforations 8 which are matched with the round parts and used for the tie bars 6 to pass through are arranged on the perforation shutoff block 4, the two block perforations 8 are symmetrically arranged relative to the gap shutoff block 5, and the length of the perforation shutoff block 4 is larger than that of the waist-shaped hole.
In order to facilitate the threading of the tie bar 6, two ends of the perforated plugging block 4 are provided with breaking slits 7, and the breaking slits 7 extend to block perforations 8. Meanwhile, the blocking piece 3 is made of elastic plastic so as to facilitate the breaking apart of the perforated blocking block 4 by the breaking-off slit 7.
In this embodiment, four plugging blocks 3 are provided, and are installed at the waist-shaped hole positions formed by two paired templates 1 in a one-to-one correspondence manner, and the fastening clip strips 9 and the plugging blocks 3 are alternately arranged in the up-down direction.
In the actual construction process, construction is carried out according to the flow of construction preparation, template manufacture, measurement paying-off, installation of spliced templates, installation of tie bars, installation of template plugging blocks, perpendicularity correction, concrete pouring, concrete curing and form removal.
The construction method for the spliced template by embedding the masonry tie bars has the advantages that:
(1) The construction is simple and convenient: the masonry wall construction can be carried out after the primary structure construction is completed, later drilling and bar planting are not needed, and the construction procedure is optimized. As the spliced templates are adopted, the later dismantling is simple and convenient. (2) cost savings: compared with the post-reinforcement process, the reinforcement material cost and labor cost are saved. (3) saving the construction period: the process of lacing the bars is inserted in advance, and bar planting is not needed in the later period, so that the construction period is saved. (4) guarantee quality: compared with the post-reinforcement-planting process, the tie bars are pre-buried, so that the tie bars are combined more firmly, the reject ratio is reduced, and the post-maintenance cost is reduced.
In other embodiments, the thickness of the gap-blocking blocks may also be less than the thickness of the split templates.
In other embodiments, when the tie bars are easy to pass through the perforations of the block, the perforations can be used for plugging the two ends of the block without providing a breaking seam.
In other embodiments, the fastening clip strip may also be directly connected to the butt-splice template through two rotation fixing holes and two sets of bolts and nuts.
The embodiments of the present invention described above do not limit the scope of the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention as set forth in the appended claims.
Claims (3)
1. The construction method of the embedded spliced templates of the masonry tie bars is characterized in that when a concrete structure is constructed, two spliced templates which have the same structure and are provided with tie bar perforations through which the tie bars pass are mutually butted and fastened, the templates which are butted and fastened by the two spliced templates are used as end templates of the construction concrete structure, the tie bars pass through the end templates, a blocking block is arranged between the two spliced templates to block a gap between the tie bars and the end templates, and finally concrete is poured to pour one part of the tie bars into the concrete structure, and the part of the tie bars exposed out of the concrete structure is connected with the masonry structure;
the two butt-jointed templates are mutually butted to form a waist-shaped hole between the two corresponding tie bar perforations on the two butt-jointed templates, and the waist-shaped hole comprises two round parts which are positioned at the end parts and have the same shape as the tie bars and a gap part positioned between the two round parts;
the plugging block comprises a gap plugging block body and a perforation plugging block body, the gap plugging block body is matched with the gap part in shape, the gap plugging block body is installed in the gap part, the thickness of the gap plugging block body is the same as that of the butt-jointed template, the perforation plugging block body is provided with a block perforation which is matched with the round part and used for allowing tie bars to pass through, and the length of the perforation plugging block body is larger than that of the waist-shaped hole;
the two ends of the perforated plugging block body are provided with break-off seams which extend to the perforated positions of the block body;
a fastening clamping strip is detachably connected between the two butt-jointed templates, and the fastening clamping strip is rotationally assembled with at least one butt-jointed template;
the fastening clamping strip is provided with a rotation fixing hole and a clamping groove, the clamping groove is a U-shaped opening groove, and the rotation fixing hole and the clamping groove are respectively used for being connected with the corresponding butt-jointed templates;
the perforation block and the gap block are integrally formed.
2. The masonry tie bar pre-buried split shuttering construction method of claim 1, wherein the plugging block is made of elastic plastic.
3. The construction method of the embedded butt-spliced formwork of the masonry tie bar according to claim 1, wherein a plurality of fastening clamping strips are arranged at intervals in the up-down direction, a plurality of plugging blocks are arranged at intervals in the up-down direction, and the fastening clamping strips and the plugging blocks are alternately arranged in the up-down direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210150401.XA CN114482525B (en) | 2022-02-18 | 2022-02-18 | Construction method for embedded butt-spliced templates of masonry tie bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210150401.XA CN114482525B (en) | 2022-02-18 | 2022-02-18 | Construction method for embedded butt-spliced templates of masonry tie bars |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114482525A CN114482525A (en) | 2022-05-13 |
| CN114482525B true CN114482525B (en) | 2023-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210150401.XA Active CN114482525B (en) | 2022-02-18 | 2022-02-18 | Construction method for embedded butt-spliced templates of masonry tie bars |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001317012A (en) * | 2000-05-10 | 2001-11-16 | Sho Bond Constr Co Ltd | Composite precast floor slab of steel plate and concrete and its joint structure |
| CN103452306A (en) * | 2013-08-20 | 2013-12-18 | 广西建工集团第三建筑工程有限责任公司 | Tool type template for embedding a tie bar of wall body by adopting anchoring method |
| CN205382390U (en) * | 2016-01-05 | 2016-07-13 | 中建五局土木工程有限公司 | A template device for continuous reinforced concrete pavement |
| CN107542270A (en) * | 2016-06-28 | 2018-01-05 | 中国二十冶集团有限公司 | The pre-buried steel tie construction method of anti-loose anti-displacement |
| CN208023945U (en) * | 2018-02-05 | 2018-10-30 | 江铃汽车集团江西工程建设有限公司 | A kind of assembled steel plate of concreting |
| CN110469014A (en) * | 2019-09-02 | 2019-11-19 | 重庆建一科技发展有限公司 | A kind of concreting shuttering supporting keel reinforcement by connection device and disassembly-free thermal-insulation form board |
| CN110485634A (en) * | 2019-08-16 | 2019-11-22 | 广西建工集团第五建筑工程有限责任公司 | Constructional column top rebars pre-buried structure component and its method for constructional column top rebars installation |
| CN212562487U (en) * | 2020-04-22 | 2021-02-19 | 北京城建亚泰建设集团有限公司 | Floor entrance to a cave reservation structure |
-
2022
- 2022-02-18 CN CN202210150401.XA patent/CN114482525B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001317012A (en) * | 2000-05-10 | 2001-11-16 | Sho Bond Constr Co Ltd | Composite precast floor slab of steel plate and concrete and its joint structure |
| CN103452306A (en) * | 2013-08-20 | 2013-12-18 | 广西建工集团第三建筑工程有限责任公司 | Tool type template for embedding a tie bar of wall body by adopting anchoring method |
| CN205382390U (en) * | 2016-01-05 | 2016-07-13 | 中建五局土木工程有限公司 | A template device for continuous reinforced concrete pavement |
| CN107542270A (en) * | 2016-06-28 | 2018-01-05 | 中国二十冶集团有限公司 | The pre-buried steel tie construction method of anti-loose anti-displacement |
| CN208023945U (en) * | 2018-02-05 | 2018-10-30 | 江铃汽车集团江西工程建设有限公司 | A kind of assembled steel plate of concreting |
| CN110485634A (en) * | 2019-08-16 | 2019-11-22 | 广西建工集团第五建筑工程有限责任公司 | Constructional column top rebars pre-buried structure component and its method for constructional column top rebars installation |
| CN110469014A (en) * | 2019-09-02 | 2019-11-19 | 重庆建一科技发展有限公司 | A kind of concreting shuttering supporting keel reinforcement by connection device and disassembly-free thermal-insulation form board |
| CN212562487U (en) * | 2020-04-22 | 2021-02-19 | 北京城建亚泰建设集团有限公司 | Floor entrance to a cave reservation structure |
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| Publication number | Publication date |
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| CN114482525A (en) | 2022-05-13 |
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