CN112459467A - Deformation joint wall formwork and cast-in-place shear wall construction method - Google Patents
Deformation joint wall formwork and cast-in-place shear wall construction method Download PDFInfo
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- CN112459467A CN112459467A CN202011157659.XA CN202011157659A CN112459467A CN 112459467 A CN112459467 A CN 112459467A CN 202011157659 A CN202011157659 A CN 202011157659A CN 112459467 A CN112459467 A CN 112459467A
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- formwork
- keel
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- template
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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
- 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
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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
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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
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
- E04G17/0655—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning the element consisting of several parts
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a deformation joint wall body formwork and a cast-in-place shear wall construction method, wherein the deformation joint wall body formwork comprises a first formwork body, the rear side of the first formwork body is fixedly connected with a formwork keel, the formwork keel comprises a plurality of first main keels and a plurality of first secondary keels, the first main keels and the first secondary keels are arranged vertically, the first secondary keels are respectively and fixedly connected with the rear side of the first formwork body and the first main keels, the first main keels are fixedly connected with a plurality of fixing plates, the fixing plates are provided with first through holes, the rear sides of the fixing plates are fixedly connected with first nuts corresponding to the first through holes, and the first formwork body is provided with a plurality of second through holes corresponding to the first through holes one by one. The quick-mounting and quick-mounting device can be applied to the position of a 100mm deformation joint, has outstanding advantages in quality benefit, construction period benefit and full benefit, can be quickly mounted, fixed and dismounted, is accurate in positioning and convenient to hoist, and can be repeatedly used in a turnover mode.
Description
Technical Field
The invention relates to the technical field of wall formworks, in particular to a deformation joint wall formwork and a cast-in-place shear wall construction method.
Background
The deformation joint of the high-rise dwelling house is designed to be 200mm wide or more, and the construction of the position template of the deformation joint is more convenient. However, the deformation joint of the small high-rise residence is mostly 100mm in width according to the design specification, and is quite narrow, and the construction cannot be carried out by adopting the traditional formwork supporting mode. If the extruded sheet with the thickness of 100mm and the higher density is adopted as the deformation joint wall template, the extruded sheet is easy to shift when concrete is poured and vibrated, so that the section size of the concrete wall on one side can not meet the design requirement, and the verticality and the flatness of the wall can not be controlled. If the large customized steel template is expensive.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Aiming at the technical problems in the related art, the invention provides a deformation joint wall body template which can be applied to a 100mm deformation joint position, has outstanding advantages in quality benefit, construction period benefit and full benefit, can be quickly installed, fixed and detached, is accurate in positioning and convenient to hoist, and can be repeatedly used in a turnover manner.
In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:
the utility model provides a movement joint wall form, includes first template body, the rear side fixedly connected with template fossil fragments of first template body, template fossil fragments include many first main joist and many first time fossil fragments, first main joist with first time fossil fragments set up perpendicularly each other, first time fossil fragments respectively fixed connection the rear side of first template body and first main joist, fixedly connected with polylith fixed plate on the first main joist, first through-hole has been seted up on the fixed plate, the rear side fixedly connected with of fixed plate with the corresponding first nut of first through-hole, set up on the first template body a plurality ofly respectively with the second through-hole of first through-hole one-to-one.
Further, first template body includes the thick wood plywood of polylith 15mm that the array was arranged, adjacent two wood plywood connects each other through the band iron that is located the two rear side, the band iron passes through screw fixed connection wood plywood's rear side.
Further, the first keel is made of a first steel bar with the diameter of 25mm, and the first keel is horizontally arranged and is connected with the flat iron in a welding mode.
Further, first main joist is made by two diameter 25 mm's second reinforcing bars, two the interval of second reinforcing bar is not less than the aperture of first through-hole, vertical setting of first main joist and with first time fossil fragments welded connection.
Further, the thickness of the fixing plate is 5 mm.
Further, the upper portion fixedly connected with a plurality of rings of template fossil fragments, rings are made by the U-shaped steel of diameter 20mm, U-shaped steel with the upper end welded connection of first main joist.
The invention also provides a construction method of the cast-in-place shear wall, which comprises the following steps:
s1, performing primary treatment on the cast-in-place shear wall;
s2, hoisting the deformation joint wall formwork to a deformation joint position, placing a second formwork body on the front side of the first formwork body after installing a PVC sleeve on the cast-in-place shear wall, enabling the cast-in-place shear wall to be located between the first formwork body and the second formwork body, sequentially penetrating the rear end of a split bolt through the second formwork body, the PVC sleeve, the second through hole and the first through hole and then screwing the split bolt into the first nut, sequentially placing a second keel made of a square steel pipe and a second main keel made of a double steel pipe on the front side of the second formwork body, sequentially installing a 3-type clamp and a second nut on the front end of the split bolt, and tightly pressing and fixing the second main keel, the second main keel and the second formwork body through the second nut and the 3-type clamp;
s3, adjusting and correcting the first template body and the second template body;
s4 pouring concrete.
Further, in S1, the preliminary treatment specifically includes paying off a position side line of the cast-in-place shear wall at a deformation joint, roughening and cleaning the cast-in-place shear wall concrete, and checking and accepting wall column reinforcements.
Further, in S3, the adjusting and correcting specifically includes checking the verticality and the flatness of the first template body and the second template body which are installed in a reinforcing manner by using a plumb bob and a steel ruler, and adjusting and reinforcing if the deviation exceeds an allowable range.
Further, the method also comprises the following steps:
s5, detaching the split bolts when detaching, hoisting the deformation joint wall body template to a downstairs turnover material storage yard, cleaning floating slurry on the surface of the first template body, and painting a release agent for next use.
The invention has the beneficial effects that: the formwork supporting and reinforcing or formwork stripping work can be effectively carried out in the 100mm deformation joint of the building, and the section size, the verticality and the flatness of the shear wall at the deformation joint can be effectively controlled; the deformation joint wall body template is integrally hoisted, and the restriction factor of site construction is very small; compared with other modes, the supporting and reinforcing construction speed of the deformation joint wall formwork is obviously increased in the aspect of construction period benefit; in the aspect of safety performance, because the deformation joint wall body template is processed in a unified mode, the deformation joint wall body template is integrally hoisted during installation, the operation is easy to control, and the safety risk during installation is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of a deformation joint wall form according to an embodiment of the present invention;
FIG. 2 is a schematic view of a deformation joint wall form according to an embodiment of the invention in use.
In the figure:
1. a first template body; 2. a first keel; 3. a first main keel; 4. a fixing plate; 5. flat iron; 6. a hoisting ring; 7. a second template body; 8. a second main keel; 9. a second main keel; 10. a type 3 card; 11. and (4) oppositely pulling the bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
As shown in fig. 1-2, the deformation joint wall formwork according to the embodiment of the present invention includes a first formwork body 1, a formwork keel is fixedly connected to a rear side of the first formwork body 1, the formwork keel includes a plurality of first main keels 3 and a plurality of first sub keels 2, the first main keels 3 and the first sub keels 2 are vertically arranged, the first sub keels 2 are respectively and fixedly connected to a rear side of the first formwork body 1 and the first main keels 3, the first main keels 3 are fixedly connected to a plurality of fixing plates 4, the fixing plates 4 are provided with first through holes, rear sides of the fixing plates 4 are fixedly connected to first nuts corresponding to the first through holes, and the first formwork body 1 is provided with a plurality of second through holes corresponding to the first through holes one to one.
In one embodiment of the present invention, the first form body 1 comprises a plurality of 15mm thick wood plywood arranged in an array, two adjacent wood plywood are connected with each other through a flat iron 5 positioned at the rear side of the two wood plywood, and the flat iron 5 is fixedly connected with the rear side of the wood plywood through a screw.
In a specific embodiment of the present invention, the first sub keel 2 is made of a first steel bar with a diameter of 25mm, and the first sub keel 2 is horizontally arranged and welded with the flat iron 5.
In a specific embodiment of the present invention, the first main keel 3 is made of two second steel bars with a diameter of 25mm, the distance between the two second steel bars is not less than the aperture of the first through hole, and the first main keel 3 is vertically arranged and is welded with the first secondary keel 2.
In one embodiment of the invention, the thickness of the fixing plate 4 is 5 mm.
In an embodiment of the present invention, a plurality of hanging rings 6 are fixedly connected to the upper portion of the formwork keel, the hanging rings 6 are made of U-shaped steel with a diameter of 20mm, and the U-shaped steel is welded to the upper end of the first main keel 3.
The invention also provides a construction method of the cast-in-place shear wall, which comprises the following steps:
s1, performing primary treatment on the cast-in-place shear wall;
s2, hoisting the deformation joint wall form to the deformation joint position, installing a PVC sleeve on the cast-in-situ shear wall, placing a second template body 7 on the front side of the first template body 1, enabling the cast-in-place shear wall to be located between the first template body 1 and the second template body 7, sequentially penetrating the rear ends of split bolts 11 through the second template body 7, the PVC sleeve, the second through holes and the first through holes and then screwing the split bolts into the first nuts, a second secondary keel 8 made of square steel pipes and a second main keel 9 made of double steel pipes are sequentially arranged at the front side of the second template body 7, sequentially installing a 3-shaped clamp 10 and a second nut at the front end of the split bolt 11, and tightly pressing and fixing the second main keel 9, the second secondary keel 8 and the second template body 7 through the second nut and the 3-shaped clamp 10;
s3, performing adjustment and correction on the first template body 1 and the second template body 7;
s4 pouring concrete.
In an embodiment of the present invention, in S1, the preliminary treatment specifically includes paying off a position boundary line of the cast-in-place shear wall at a deformation joint, roughening and cleaning the cast-in-place shear wall concrete, and checking and accepting a wall column reinforcement.
In an embodiment of the present invention, in S3, the adjusting and correcting specifically includes checking the verticality and flatness of the first template body 1 and the second template body 7 after being installed, and adjusting and reinforcing if the deviation exceeds the allowable range.
In a specific embodiment of the present invention, the method further comprises the following steps:
s5, detaching the split bolts 11 when detaching, hoisting the deformation joint wall body template to a downstairs turnover material storage yard, cleaning floating slurry on the surface of the first template body 1, and painting a release agent for next use.
In order to facilitate understanding of the above-described technical aspects of the present invention, the above-described technical aspects of the present invention will be described in detail below in terms of specific usage.
The deformation joint wall template disclosed by the invention can be freely combined, is convenient to hoist and mount, can be repeatedly recycled, integrates the advantages of accurate positioning, rapid mounting and dismounting and reliable quality control, and has the characteristics of convenience in mounting and dismounting, accurate positioning, repeated recycling, excellent concrete forming quality and the like.
The deformation joint wall formwork comprises a first formwork body 1, a first primary keel 2, a first main keel 3, a fixing plate 4, a lifting ring 6 and a first nut.
First template body 1 adopts the common 1830 on the building site 915 mm's wood plywood as main preparation material, and first template body 1 includes wood plywood, band iron 5 and screw, and the screw adopts the forked tail nail, should carry out BIM typesetting design to first template body 1 and arrange evenly in order to guarantee that wood plywood adopts the band iron 5 of tail nail and zinc-plated to fix the piece together seam after the concatenation of wood plywood.
First time fossil fragments 2 utilize diameter 25 mm's on the building site first reinforcing bar to make, first time fossil fragments 2 level sets up, the interval of two upper and lower first time fossil fragments 2 is 200mm, first main joist 3 utilizes two diameter 25 mm's second reinforcing bar to weld side by side and make together, 3 vertical settings of first main joist, the interval of controlling two first main joists 3 is 450mm, first reinforcing bar is the screw-thread steel with the second reinforcing bar, first time fossil fragments 2 welded connection band iron 5 and first main joist 3 respectively, first main joist 3 is welding 60 in proper order with 11 corresponding positions of split bolt fixed plate 4 of 5mm, first through-hole has been seted up at fixed plate 4 center and is welding first nut in the trompil position.
The lifting ring 6 is made of HPB300 round steel with the diameter of 20mm and is used for lifting deformation joint wall formworks.
The second template body 7 can be made of a whole wood plywood or the same structure as the first template body 1.
The second template body 7 still uses the traditional main keel and secondary keel, namely uses a square steel pipe with the diameter of 50X 3mm as the second keel 8, adopts a double steel pipe with the diameter of 48X 3mm as the second main keel 9, and is matched with a counter bolt 11 with the diameter of 14mm and a 3-type clamp 10 to be manually screwed in for adjustment and fixation. The front end of the split bolt 11 is provided with a handle to facilitate screwing the rear end of the split bolt 11 into the first nut.
When the novel steel tube formwork has the advantages that during use, the position sideline paying-off of a cast-in-place shear wall at each deformation joint of a building is completed, the cast-in-place shear wall concrete chiseling and cleaning is completed, after wall column steel bars are checked and accepted, the manufactured deformation joint wall formwork is hoisted to the deformation joint position by using a tower crane, the second formwork body 7 is installed on the front side of the cast-in-place shear wall, the second secondary keel 8, the second main keel 9, the matched counter pull bolt 11 and the like are used for fixing, the counter pull bolt 11 is screwed into the first nut on the deformation joint wall formwork after passing through a PVC tube, and the second main keel 9, the 3-type clamp 10 and the second nut are used for fixing after screwing.
The first template body 1 and the second template body 7 are adjusted and corrected, the two sides of the cast-in-place shear wall are checked through actual measurement, a plumb bob and a steel ruler are adopted to recheck the verticality and the flatness of the first template body 1 and the second template body 7 which are installed in a reinforcing mode, and the template bodies with deviations exceeding the allowable range are adjusted and reinforced.
When the formwork is disassembled, the split bolts 11 and the like are disassembled, the deformation joint wall formwork is hoisted to an underground turnover material storage yard by using the hoisting rings 6, floating slurry on the surface of the first formwork body 1 is cleaned, and the formwork is coated with a release agent and then is used for the next time.
In conclusion, by means of the technical scheme, the formwork supporting and reinforcing or formwork stripping work can be effectively carried out in the 100mm deformation joint of the building, and the section size, the verticality and the flatness of the shear wall at the deformation joint can be effectively controlled; the deformation joint wall body template is integrally hoisted, and the restriction factor of site construction is very small; compared with other modes, the supporting and reinforcing construction speed of the deformation joint wall formwork is obviously increased in the aspect of construction period benefit; in the aspect of safety performance, because the deformation joint wall body template is processed in a unified mode, the deformation joint wall body template is integrally hoisted during installation, the operation is easy to control, and the safety risk during installation is reduced.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A deformation joint wall formwork comprises a first formwork body (1), a formwork keel is fixedly connected to the rear side of the first formwork body (1), the template keel comprises a plurality of first main keels (3) and a plurality of first secondary keels (2), the first main keel (3) and the first secondary keel (2) are arranged perpendicular to each other, the first secondary keel (2) is respectively and fixedly connected with the rear side of the first template body (1) and the first main keel (3), a plurality of fixing plates (4) are fixedly connected on the first main keel (3), a first through hole is arranged on the fixing plate (4), a first nut corresponding to the first through hole is fixedly connected with the rear side of the fixing plate (4), the first template body (1) is provided with a plurality of second through holes which are in one-to-one correspondence with the first through holes respectively.
2. A deformation joint wall form according to claim 1, characterized in that the first form body (1) comprises a plurality of 15mm thick wood plywood arranged in an array, two adjacent wood plywood are connected with each other through flat irons (5) positioned at the rear sides of the two wood plywood, and the flat irons (5) are fixedly connected with the rear sides of the wood plywood through screws.
3. A deformation joint wall formwork according to claim 2, wherein the first secondary keel (2) is made of a first steel bar with the diameter of 25mm, and the first secondary keel (2) is horizontally arranged and is connected with the flat iron (5) in a welding mode.
4. A deformation joint wall formwork according to claim 3, wherein the first main keel (3) is made of two second steel bars with the diameter of 25mm, the distance between the two second steel bars is not smaller than the aperture of the first through hole, and the first main keel (3) is vertically arranged and is in welded connection with the first secondary keel (2).
5. A deformation joint wall form according to claim 4, characterized in that the thickness of the fixing plate (4) is 5 mm.
6. A deformation joint wall formwork according to claim 4, characterized in that a plurality of hanging rings (6) are fixedly connected to the upper portion of the formwork keel, the hanging rings (6) are made of U-shaped steel with the diameter of 20mm, and the U-shaped steel is welded with the upper end of the first main keel (3).
7. A cast-in-place shear wall construction method adopting the deformation joint wall formwork as claimed in any one of claims 1 to 6, is characterized by comprising the following steps:
s1, performing primary treatment on the cast-in-place shear wall;
s2, hoisting the deformation joint wall body formwork to a deformation joint position, placing a second formwork body (7) on the front side of the first formwork body (1) after installing a PVC sleeve on the cast-in-place shear wall, enabling the cast-in-place shear wall to be located between the first formwork body (1) and the second formwork body (7), enabling the rear end of a split bolt (11) to sequentially penetrate through the second formwork body (7), the PVC sleeve, the second through hole and the first through hole and then be screwed into the first nut, sequentially placing a secondary keel (8) made of square steel pipes and a second main keel (9) made of double steel pipes on the front side of the second formwork body (7), sequentially installing a 3-type clamp (10) and a second nut on the front end of the split bolt (11), and enabling the second main keel (9) and the second main keel (9) to be connected through the second nut and the 3-type clamp (10), The second keel (8) and the second template body (7) are compressed and fixed;
s3, adjusting and correcting the first template body (1) and the second template body (7);
s4 pouring concrete.
8. The cast-in-place shear wall construction method according to claim 7, wherein in S1, the preliminary treatment specifically comprises paying off position boundary lines of the cast-in-place shear wall at deformation joints, roughening and cleaning concrete of the cast-in-place shear wall, and checking and accepting wall column steel bars.
9. The cast-in-place shear wall construction method according to claim 7, wherein in step S3, the adjusting and correcting specifically comprises rechecking verticality and flatness of the first formwork body (1) and the second formwork body (7) which are installed after reinforcement by using a plumb bob and a steel ruler, and adjusting and reinforcing if deviation exceeds an allowable range.
10. The cast-in-place shear wall construction method according to claim 7, further comprising the steps of:
s5, detaching the split bolts (11) when detaching, hoisting the deformation joint wall body template to a downstairs turnover material storage yard, cleaning floating slurry on the surface of the first template body (1), and painting a release agent for next use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011157659.XA CN112459467A (en) | 2020-10-26 | 2020-10-26 | Deformation joint wall formwork and cast-in-place shear wall construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011157659.XA CN112459467A (en) | 2020-10-26 | 2020-10-26 | Deformation joint wall formwork and cast-in-place shear wall construction method |
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| CN112459467A true CN112459467A (en) | 2021-03-09 |
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| CN202011157659.XA Pending CN112459467A (en) | 2020-10-26 | 2020-10-26 | Deformation joint wall formwork and cast-in-place shear wall construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113378268A (en) * | 2021-06-07 | 2021-09-10 | 中国二十冶集团有限公司 | Underground pipe gallery deformation joint reinforcing steel bar refined electric calculation method and system based on BIM |
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| KR20160003586A (en) * | 2015-12-11 | 2016-01-11 | 현태식 | A form assembly for joining wall |
| CN108118890A (en) * | 2018-01-10 | 2018-06-05 | 山西三建集团有限公司 | Walling body template system and its erection method to be poured in shear force wall deformation slit |
| CN108385980A (en) * | 2018-02-28 | 2018-08-10 | 五冶集团上海有限公司 | Deformation joint shear wall set shaped steel formwork installs unidirectional fastening screw construction method |
| CN110630011A (en) * | 2019-10-17 | 2019-12-31 | 甘肃第三建设集团公司 | Template reinforcing system for double shear walls at deformation joint and construction method thereof |
| CN110965766A (en) * | 2019-12-21 | 2020-04-07 | 东莞市鸿宇世纪建设工程有限公司 | Template for construction of deformation joint of shear wall structure, construction structure and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160003586A (en) * | 2015-12-11 | 2016-01-11 | 현태식 | A form assembly for joining wall |
| CN108118890A (en) * | 2018-01-10 | 2018-06-05 | 山西三建集团有限公司 | Walling body template system and its erection method to be poured in shear force wall deformation slit |
| CN108385980A (en) * | 2018-02-28 | 2018-08-10 | 五冶集团上海有限公司 | Deformation joint shear wall set shaped steel formwork installs unidirectional fastening screw construction method |
| CN110630011A (en) * | 2019-10-17 | 2019-12-31 | 甘肃第三建设集团公司 | Template reinforcing system for double shear walls at deformation joint and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113378268A (en) * | 2021-06-07 | 2021-09-10 | 中国二十冶集团有限公司 | Underground pipe gallery deformation joint reinforcing steel bar refined electric calculation method and system based on BIM |
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Application publication date: 20210309 |