CN111395747A - Formwork supporting device for horizontal construction joint of concrete structure and construction method thereof - Google Patents
Formwork supporting device for horizontal construction joint of concrete structure and construction method thereof Download PDFInfo
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- CN111395747A CN111395747A CN202010327058.2A CN202010327058A CN111395747A CN 111395747 A CN111395747 A CN 111395747A CN 202010327058 A CN202010327058 A CN 202010327058A CN 111395747 A CN111395747 A CN 111395747A
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- wall
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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
- 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
- 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
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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)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a concrete structure horizontal construction joint formwork device and a construction method thereof, which sequentially comprise the following steps: and erecting inner and outer side templates for the outer wall or wall column of the lower-layer concrete structure floor, and well installing and reinforcing the inner and outer side templates. Preparing a square strip-shaped template, and fixing the square strip-shaped template at the upper edge part of the inner side of the outer template; pouring an outer wall or a wall column of a floor with a lower-layer concrete structure; after the form is removed, the square strip form slab part forms a groove at the horizontal construction joint of the lower concrete structure; erecting an inner side template and an outer side template for the outer wall or the wall column of the floor of the upper-layer concrete structure, wherein the outer side template is hung below and covers the groove part, and the outer side template is straight at the groove part; the concrete of the upper concrete structure is poured, the groove is filled with mortar in the concrete, and after the formwork is removed, the horizontal construction joint of the concrete is straight and beautiful and does not leak the mortar. The device is simple in manufacturing, mounting and construction method, slurry leakage of the joint of the horizontal construction joint is eliminated, the joint is straight and attractive, and the appearance quality is good after the formwork is removed.
Description
Technical Field
The invention relates to structural construction in the technical field of constructional engineering, in particular to a horizontal construction joint formwork supporting device for a concrete structure and a construction method thereof.
Background
Generally, the outer wall and the column of a high-rise building are integrated into a vertical surface from one floor to the top floor, and horizontal construction joints are inevitably left at the floors of the concrete structure due to the construction of each floor in different times. The method for erecting the formwork of the outer vertical face comprises the following steps: and (5) finishing the construction of the lower concrete structure, and after the form is removed, constructing the upper concrete structure. When the upper concrete structure template is erected, the outer wall and the column template are hung to the lower concrete structure and extend below the horizontal construction joint of the floor. And applying pressure outside the lower hanging template in a manner of reserving bolts and the like to ensure that the inner side of the template is tightly attached to the side surface of the construction joint of the lower concrete structure, and finally pouring the concrete of the upper structure. However, when the lower layer concrete structure is constructed, the upper opening of the structure is difficult to be free from the phenomenon of mold expansion, so that the side edge of the horizontal construction joint is not flat and straight, the lower hanging template of the upper layer concrete structure is difficult to be tightly attached to the concrete surface, and the slurry leakage phenomenon occurs. In addition, due to the fact that the surface of the horizontal construction joint between the lower layer concrete structure and the upper layer concrete structure is roughened, the construction joint is prone to being uneven, and therefore the joint of the horizontal construction joint concrete joint is not attractive.
Disclosure of Invention
The technical task of the invention is to solve the defects of the prior art and provide a formwork supporting device for a horizontal construction joint of a concrete structure and a construction method thereof. By the device and the construction method thereof, the horizontal construction joint of the concrete structure is flat, straight and beautiful and has no leakage of slurry.
The technical scheme adopted by the invention is as follows:
the utility model provides a horizontal construction joint formwork device of concrete structure, including prop up locate concrete structure floor outer wall or the inboard template of wall post and prop up locate the outside template in concrete structure floor outer wall or the wall post outside, through split bolt connection, its characterized in that between the inside and outside template: a square strip-shaped template is fixed at the upper edge part of the inner side of the outer side template, and the top surface of the square strip-shaped template is flush with the top surface of the outer side template; the concrete floor outer wall or wall column filling cavity is defined by the inner side template, the outer side template and the square strip-shaped template, and the top surface of the square strip-shaped template is flush with the horizontal construction joint of the concrete floor structure.
The horizontal construction joint formwork device of the concrete structure is characterized in that: the square strip-shaped template is a square wood strip, and the square wood strip is fixed on the outer template through round nails or wood screws.
The construction method of the horizontal construction joint formwork device for the concrete structure is characterized by comprising the following steps of:
firstly, arranging and erecting an outer wall or a wall column of a lower-layer concrete structure: and erecting corresponding inner and outer templates according to the design size and the load of the outer wall or the wall column of the lower concrete structure, and then reinforcing and connecting by using split bolts.
Secondly, installing the square strip-shaped template: the square strip-shaped formwork is fixed at the upper edge of the outer side formwork, the inner side formwork, the outer side formwork and the square strip-shaped formwork enclose a filling cavity of an outer wall or a wall column of a lower-layer concrete structure, and the upper surface of the square strip-shaped formwork is flush with the floor elevation.
Thirdly, reinforcing the template of the outer wall or the wall column of the lower layer concrete structure: and after the square strip-shaped templates are installed and fixed, checking and correcting each template again, reporting and checking after the requirements are met, and entering the next procedure after the acceptance is qualified.
Fourthly, pouring concrete of an outer wall or a wall column of the lower layer concrete structure: before pouring, wetting the inner and outer side templates and the square strip template by water; when pouring, the concrete is vibrated in layers to be compact; and trowelling the concrete upper surface of the outer wall or the wall column of the lower layer concrete structure according to the designed elevation of the floor.
Fifthly, removing the formwork of the outer wall or the wall column of the lower layer concrete structure: and after the concrete is solidified and meets the requirement of form removal strength, removing the inner and outer layer templates and the square strip template, and forming a groove on the horizontal construction joint of the outer wall or the wall column of the lower-layer concrete structure at the position corresponding to the square strip template.
Sixthly, configuring a support for the outer wall or the wall column of the upper-layer concrete structure: erecting corresponding inner and outer templates according to the design size and load of the upper concrete structure outer wall or wall column, and then reinforcing and connecting by using split bolts, wherein the outer template is hung downwards to cover the groove part in the third step, and the inner and outer templates enclose a filling cavity of the upper concrete structure outer wall or wall column; and double faced adhesive tapes are pasted at the horizontal positions of the grooves, gaps between each template and the concrete structure are sealed, and slurry leakage during concrete pouring is avoided.
Seventhly, pouring concrete of the outer wall or the wall column of the upper-layer concrete structure: before pouring, firstly wetting the corresponding inner and outer templates and the concrete interface at the construction joint by using clear water; when pouring is carried out, slurry is introduced by using the concrete stone mortar, the slurry thickness is 30-50mm, concrete pouring and vibration are carried out in a layering mode, each layer is 300-layer and 500-mm high, operation is carried out according to the requirements of a concrete construction scheme, the concrete vibration is compact, and at the moment, the grooves are filled with the mortar in the concrete.
Eighthly, dismantling the external wall or wall column template of the upper concrete structure: and after the concrete is solidified and meets the requirement of form removal strength, removing the corresponding inner and outer layer templates, wherein the horizontal construction joint between the outer walls or wall columns of the upper and lower layer concrete structures is straight and beautiful and has no slurry leakage.
The construction method of the horizontal construction joint formwork device for the concrete structure is characterized in that in the first step, according to the elevation of a floor, a horizontal line is bounced at the upper opening of the outer formwork, the upper opening of the square strip formwork is parallel and level to the horizontal line, and the square strip formwork is fixed on the outer formwork through screws or wood screws.
The inner and outer side templates of the outer wall or the wall column of the lower layer concrete structure are template systems which are designed through calculation, meet the section size of the concrete structure, and have the strength and the rigidity for bearing all loads when concrete is poured.
The section size of the square battens installed on the outer side formwork of the outer wall or the wall column of the lower concrete structure is 20mm × 15mm, and the outer side formwork of the outer wall or the wall column of the lower concrete structure is a 15mm gluing formwork.
The inner and outer templates are connected by battens, steel pipes, split bolts and the like.
And after the battens are installed and fixed on the outer template, the correcting template is checked again, the requirements are met, the checking is carried out, and the next procedure is carried out after the checking is qualified.
In the third step, attention should be paid to avoid damaging the groove corner angle during the form removal.
The horizontal construction joint used between the upper concrete structure and the lower concrete structure outer wall or wall column has the advantages that corresponding sizes of the templates are adjusted if other horizontal construction joints of different concrete structures are constructed, but the template device is not changed.
The invention has the following beneficial effects:
the invention provides a formwork erecting device for a horizontal construction joint of a concrete structure and a construction method thereof. The invention has simple manufacture, installation and construction, eliminates slurry leakage of the joint of the horizontal construction joint, ensures that the joint is straight and beautiful, and has good appearance quality after form removal. The invention has the advantages of reasonable design, simple structure, convenient operation, safety and reliability, and good popularization and use values.
According to the horizontal construction joint between the upper concrete structure and the lower concrete structure outer wall or wall column, if other horizontal construction joints of different concrete structures are constructed, the corresponding sizes of the templates are adjusted, but the template device and the construction method are not changed.
Drawings
Fig. 1 is a drawing for supporting a formwork of a lower concrete structure according to the present invention.
Fig. 2 is a supporting view of the novel upper concrete structure formwork of the invention.
FIG. 3 is a side view of the horizontal construction joint template assembly of the present invention.
Wherein the reference numerals are respectively: 1. the outer side template of the outer wall or the wall column of the lower layer concrete structure floor; 2. a square bar-shaped template; 3. the outer wall or wall column of the lower concrete structure floor; 4. oppositely pulling the bolts; 5. horizontal construction joints; 6. an upper concrete structure outer wall or wall column; 7. an outer side template of an outer wall or a wall column of the upper-layer concrete structure; 8. an inner side template of a floor outer wall or a wall column with a lower layer concrete structure; 9. An upper concrete structure outer wall or wall column inner side template; 10. double-sided adhesive tape.
Detailed Description
In order that the above objects, features and characteristics of the present invention may be more clearly understood, the present invention will now be described in further detail with reference to the accompanying drawings and specific examples, in which reference is made to fig. 1-3.
A horizontal construction joint formwork device of a concrete structure comprises an inner side formwork 8 erected on the inner side of a lower layer concrete structure floor outer wall or wall column 3 and an outer side formwork 1 erected on the outer side of the concrete structure floor outer wall or wall column 3, wherein the inner side formwork 8 and the outer side formwork 1 are connected through a split bolt 4, a square strip formwork 2 is fixed on the upper edge of the inner side of the outer side formwork 1, and the upper surface layer of the square strip formwork 2 is flush with the top surface of the outer side formwork 1; the inside formwork 8, the outside formwork 1 and the square strip formwork 2 enclose a filling cavity of the concrete floor outer wall or the wall column 3, and the top surface of the square strip formwork 4 is flush with the horizontal construction joint 5 of the concrete floor outer wall or the wall column.
The construction method of the horizontal construction joint formwork device for the concrete structure is sequentially carried out according to the following steps:
firstly, an outer wall or wall column 3 of a lower layer concrete structure is configured and supported: corresponding inner and outer templates 8 and 1 are erected according to the design size and the load of the outer wall or the wall column 3 of the lower concrete structure, and then the connection is reinforced by using the split bolts 4.
Secondly, mounting a square strip-shaped template 2: the square strip formwork 2 is fixed along the position on the outer side formwork 1, the inner side formwork 8, the outer side formwork 1 and the square strip formwork 2 enclose a filling cavity of a lower-layer concrete structure outer wall or a wall column 3, and the upper surface of the square strip formwork 2 is flush with the 5 elevation levels of the horizontal construction joint of the floor.
Thirdly, reinforcing the template of the outer wall or the wall column of the lower layer concrete structure: and after the square strip-shaped templates 2 are installed and fixed, checking and correcting each template again, reporting and checking after the requirements are met, and entering the next procedure after the acceptance is qualified.
Fourthly, pouring concrete of an outer wall or a wall column of the lower layer concrete structure: before pouring, wetting the inner and outer side templates and the square strip template by water; when pouring, the concrete is vibrated in layers to be compact; and trowelling the concrete upper surface of the outer wall or the wall column of the lower layer concrete structure according to the designed elevation of the floor.
Fifthly, removing the formwork of the outer wall or the wall column of the lower layer concrete structure: and after the concrete is solidified and meets the requirement of form removal strength, removing the inner and outer layer templates 8 and 1 and the square strip template 2, and forming a groove on the horizontal construction joint 5 of the outer wall or the wall column of the lower-layer concrete structure at the position corresponding to the square strip template.
Sixthly, configuring a support for the upper concrete structure outer wall or wall column 6: erecting corresponding inner and outer templates 9 and 7 according to the design size and load of the upper concrete structure outer wall or wall column, and then reinforcing and connecting by using a split bolt 4, wherein the outer template 7 is hung below and covers the groove part in the third step, and the inner and outer templates 9 and 7 enclose a filling cavity of the upper concrete structure outer wall or wall column; and a double faced adhesive tape 10 is stuck at the horizontal part of the groove, and gaps between each template 7 and the concrete structure 3 are sealed, so that slurry leakage during concrete 6 pouring is avoided.
Seventhly, pouring 6 concrete of the outer wall or the wall column of the upper-layer concrete structure: before pouring, firstly wetting the corresponding inner and outer templates and the concrete interface at the construction joint by using clear water; when pouring is carried out, slurry is introduced by using the concrete stone mortar, the slurry thickness is 30-50mm, concrete pouring and vibration are carried out in a layering mode, each layer is 300-layer and 500-mm high, operation is carried out according to the requirements of a concrete construction scheme, the concrete vibration is compact, and at the moment, the grooves are filled with the mortar in the concrete.
Eighthly, dismantling 6 templates of the outer wall or the wall column of the upper-layer concrete structure: after the concrete is solidified and meets the requirement of form removal strength, the corresponding inner and outer formworks 9 and 7 are removed, and the horizontal construction joint 5 between the outer walls or wall columns of the upper and lower concrete structures is straight and beautiful and does not leak slurry.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any minor modifications, equivalent replacements and improvements made to the above embodiments according to the technical spirit of the present invention should be included in the protection scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides a horizontal construction joint formwork device of concrete structure, including prop up locate concrete structure floor outer wall or the inboard template of wall post and prop up locate the outside template in concrete structure floor outer wall or the wall post outside, through split bolt connection, its characterized in that between the inside and outside template: a square strip-shaped template is fixed at the upper edge part of the inner side of the outer side template, and the top surface of the square strip-shaped template is flush with the top surface of the outer side template; the concrete floor outer wall or wall column filling cavity is defined by the inner side template, the outer side template and the square strip-shaped template, and the top surface of the square strip-shaped template is flush with the horizontal construction joint of the concrete floor structure.
2. The formwork device for a horizontal construction joint of a concrete structure according to claim 1, wherein: the square strip-shaped template is a square wood strip, and the square wood strip is fixed on the outer template through round nails or wood screws.
3. The construction method of the formwork erecting device for the horizontal construction joint of the concrete structure as recited in claim 1, wherein the following steps are sequentially performed:
firstly, arranging and erecting for an outer wall or a wall column of a lower-layer concrete structure: erecting corresponding inner and outer templates according to the design size and load of the outer wall or wall column of the lower concrete structure, and then reinforcing and connecting by using split bolts;
secondly, installing the square strip-shaped template: fixing a square strip-shaped template at the upper edge of the outer side template, wherein the inner side template, the outer side template and the square strip-shaped template enclose a filling cavity of an outer wall or a wall column with a lower-layer concrete structure, and the upper surface of the square strip-shaped template is level to the floor;
thirdly, reinforcing the template of the outer wall or the wall column of the lower layer concrete structure: after the square strip-shaped templates are installed and fixed, checking and correcting each template again, reporting and checking after the requirements are met, and entering the next procedure after the acceptance is qualified;
fourthly, pouring concrete of an outer wall or a wall column of the lower layer concrete structure: before pouring, wetting the inner and outer side templates and the square strip template by water; when pouring, the concrete is vibrated in layers to be compact; the upper surface of the concrete of the outer wall or the wall column of the lower layer concrete structure is leveled according to the designed elevation of the floor;
fifthly, removing the formwork of the outer wall or the wall column of the lower layer concrete structure: after the concrete is solidified and meets the requirement of form removal strength, removing the inner and outer layer templates and the square strip template, and forming a groove on a horizontal construction joint of the outer wall or the wall column of the lower-layer concrete structure at the position corresponding to the square strip template;
sixthly, configuring a support for the outer wall or the wall column of the upper-layer concrete structure: erecting corresponding inner and outer templates according to the design size and load of the upper concrete structure outer wall or wall column, and then reinforcing and connecting by using split bolts, wherein the outer template is hung downwards to cover the groove part in the third step, the horizontal part of the groove is adhered with double faced adhesive tape, and the inner and outer templates enclose a filling cavity of the upper concrete structure outer wall or wall column;
seventhly, pouring concrete of the outer wall or the wall column of the upper-layer concrete structure: before pouring, firstly wetting the corresponding inner and outer templates and the concrete interface at the construction joint by using clear water; when pouring, slurry is introduced by using the concrete stone mortar, the slurry thickness is 30-50mm, the concrete is poured and vibrated in a layered mode, each layer is 300-500mm high, the concrete is vibrated compactly according to the operation required by the concrete construction scheme, and at the moment, the grooves are filled with the mortar in the concrete;
eighthly, dismantling the external wall or wall column template of the upper concrete structure: and after the concrete is solidified and meets the requirement of form removal strength, removing the corresponding inner and outer layer templates, wherein the horizontal construction joint between the outer walls or wall columns of the upper and lower layer concrete structures is straight and beautiful and has no slurry leakage.
4. The construction method of a horizontal construction joint formwork device for a concrete structure according to claim 3, wherein in the first step, horizontal lines are sprung at the upper opening of the outer form according to the elevation of the floor, the upper opening of the square strip form is flush with the horizontal lines, and the square strip form is fixed on the outer form by means of nails or wood screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010327058.2A CN111395747A (en) | 2020-04-23 | 2020-04-23 | Formwork supporting device for horizontal construction joint of concrete structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010327058.2A CN111395747A (en) | 2020-04-23 | 2020-04-23 | Formwork supporting device for horizontal construction joint of concrete structure and construction method thereof |
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| Publication Number | Publication Date |
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| CN111395747A true CN111395747A (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010327058.2A Pending CN111395747A (en) | 2020-04-23 | 2020-04-23 | Formwork supporting device for horizontal construction joint of concrete structure and construction method thereof |
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| CN (1) | CN111395747A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814369A (en) * | 2020-12-30 | 2021-05-18 | 中国建筑第八工程局有限公司 | Horizontal construction joint formwork device for cast-in-place reinforced concrete wall and construction method |
| CN113982190A (en) * | 2021-06-01 | 2022-01-28 | 上海宝冶集团有限公司 | Processing method for segmental casting joint of high and large curved surface clear water column |
-
2020
- 2020-04-23 CN CN202010327058.2A patent/CN111395747A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814369A (en) * | 2020-12-30 | 2021-05-18 | 中国建筑第八工程局有限公司 | Horizontal construction joint formwork device for cast-in-place reinforced concrete wall and construction method |
| CN113982190A (en) * | 2021-06-01 | 2022-01-28 | 上海宝冶集团有限公司 | Processing method for segmental casting joint of high and large curved surface clear water column |
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