CN110453796B - Construction tool and construction method for sealing joints of prefabricated building conversion layer - Google Patents
Construction tool and construction method for sealing joints of prefabricated building conversion layer Download PDFInfo
- Publication number
- CN110453796B CN110453796B CN201910840442.XA CN201910840442A CN110453796B CN 110453796 B CN110453796 B CN 110453796B CN 201910840442 A CN201910840442 A CN 201910840442A CN 110453796 B CN110453796 B CN 110453796B
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- Prior art keywords
- construction
- cast
- construction method
- fixing
- conversion layer
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- 238000010276 construction Methods 0.000 title claims abstract description 46
- 238000007789 sealing Methods 0.000 title claims abstract description 30
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 14
- 238000011065 in-situ storage Methods 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 239000002002 slurry Substances 0.000 claims description 29
- 238000005452 bending Methods 0.000 claims description 13
- 239000004567 concrete Substances 0.000 claims description 11
- 239000011083 cement mortar Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6801—Fillings therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6803—Joint covers
Abstract
The invention discloses a construction tool and a construction method for sealing joints of an assembled building conversion layer, wherein the whole tool is a steel template gasket, the tool comprises a fixing part with a fixing hole and a deformation part which is positioned at one side of the fixing part and is bent upwards, the fixing part is horizontally fixed on a cast-in-situ structure bearing wall body, and the deformation part is bent upwards by 45 degrees, 135 degrees and finally bent 180 degrees in sequence to be parallel to the fixing part along the horizontal direction.
Description
Technical Field
The invention belongs to the technical field of assembly type buildings, and particularly relates to a construction tool and a construction method for sealing joints of an assembly type building conversion layer.
Background
The fabricated building (also called as fabricated concrete building) is a concrete structure house building which is mainly based on reinforced concrete prefabricated parts produced in a factory and is designed and built in a field assembly mode. The main components of the assembled building are generally prefabricated components, and are connected on site through cast-in-place concrete to form the building with the assembled integral structure. The building has the characteristics of high construction speed, contribution to winter construction, high production efficiency, good product quality and material loss reduction.
In the field assembly construction of the assembled building, the prefabricated reinforced concrete shear wall at the conversion layer and the cast-in-situ structure bearing wall are generally connected by adopting reinforced sleeve grouting. After the prefabricated wall is hoisted in place, a seam sealing material is needed to seal the seam between the prefabricated wall and the cast-in-situ structure bearing wall, wherein the seam width is about 20 mm. When the slurry is settled and blocked, the slurry is settled on the inner side and leaked on the outer side due to larger gaps and no blocking measure, so that the slurry on the outer side is wasted, the cost is increased, and the leaked slurry is difficult to clean; meanwhile, once the grouting material meets the position of the steel bar sleeve (namely, the grouting sleeve used for grouting connection of the steel bar sleeve), the lower part is easily blocked, grouting communication operation of the steel bar sleeve is affected, and grouting connection quality of the steel bar sleeve and use safety of an assembled building structure are endangered.
Disclosure of Invention
The invention aims at the defects of the prior art, provides a construction tool and a construction method for sealing joints of an assembled building conversion layer, solves the problem that slurry is leaked through a gap between a cast-in-place structure bearing wall body and a prefabricated external wall board at the conversion layer, and solves the problem that the lower part is blocked when slurry is met by a reinforcing steel bar sleeve and the defect that the slurry forming speed is low.
In order to achieve the above object, the technical scheme of the present invention is as follows:
the invention provides a construction tool for sealing joints of an assembled building conversion layer, which is an integral steel template gasket and comprises a fixed part with a fixed hole and a deformation part which is positioned on one side of the fixed part and is bent upwards, wherein the fixed part is horizontally fixed on a cast-in-situ structure bearing wall, and the deformation part is bent upwards by 45 degrees, 135 degrees and finally bent by 180 degrees along the horizontal direction and is parallel to the fixed part;
further, the lengths of the 45-degree bending, 135-degree bending and 180-degree bending of the deformation part are sequentially reduced;
further, the upper surface of the 180-degree bending part of the deformation part is connected with the prefabricated external wall panel through double faced adhesive tape;
the invention also provides a construction method for sealing the joint of the fabricated building conversion layer, which comprises the following steps:
step S1, uniformly plastering cement mortar on a cast-in-situ structure bearing wall;
s2, placing the construction tool on embedded bars of the cast-in-situ structure bearing wall, enabling the embedded bars to penetrate through the fixing holes to finish initial connection of sealing joints, and horizontally fixing the fixing parts on the cast-in-situ structure bearing wall;
s3, hoisting the prefabricated external wall panel, placing the prefabricated external wall panel on the upper part of the construction tool, and falling the prefabricated external wall panel to deform a deformation part of the construction tool, so as to finish accurate joint sealing connection and form a firm joint sealing shape;
and S4, performing slurry setting on the inner side of the prefabricated external wall panel to finish final connection joint sealing operation.
Further, the judging mode of the step S3 for completing the accurate joint sealing connection is that the deformation part of the construction tool stops deforming;
further, the setting slurry in step S4 is concrete slurry.
Compared with the prior art, the invention has the technical effects that:
the construction tool provided by the invention is used for forming irregular and easily-deformed sealing tools through bending at different angles, has a leakage prevention function for controlling concrete slurry leakage during grouting sealing, a forming function for controlling sealing acceleration forming, and a function for controlling a grouting opening of a prefabricated external wall panel sleeve not to be plugged by concrete slurry.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic view of a construction tool according to the present invention;
FIG. 2 is a schematic illustration of the initial connection of the construction method provided by the present invention;
FIG. 3 is a schematic diagram of the precise connection of the construction method provided by the invention;
fig. 4 is a schematic diagram of the sealing completion of the construction method provided by the invention.
Reference numerals illustrate:
1. a construction tool; 2. prefabricating an external wall panel; 3. a cast-in-situ structure bearing wall body; 4. embedding reinforcing steel bars; 5. cement mortar; 6. concrete slurry; 7. a fixing part; 8. a fixing hole; 9. and a deformation portion.
Detailed Description
The present invention will be described in further detail below with reference to the drawings and examples for better understanding of the technical solutions of the present invention to those skilled in the art. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
See fig. 1-4;
the invention provides a construction tool for sealing joints of an assembled building conversion layer, which is an integral steel template gasket and comprises a fixing part 7 with a fixing hole 8 and a deformation part 9 which is positioned on one side of the fixing part 7 and is bent upwards, wherein the fixing part 7 is horizontally fixed on a cast-in-situ structure bearing wall 3, and the deformation part 9 is bent upwards by 45 degrees, 135 degrees and finally 180 degrees in sequence along the horizontal direction and is parallel to the fixing part 7.
The specific method of the construction tool 1 is as follows:
1) Punching the steel template gasket at the fixing part according to the positions and the intervals of the embedded bars 4 on the cast-in-situ structure bearing wall body 3 to form fixing holes 8;
2) The other side of the steel template gasket is bent upwards by 45 degrees, 135 degrees and 180 degrees to form a deformation part 9 of the construction tool 1.
The lengths of 45-degree bending, 135-degree bending and 180-degree bending of the deformation part 9 are sequentially reduced, and the length can be determined according to the actual wall thickness and the number of rows of embedded bars 4 of the cast-in-situ structure bearing wall body 3. The upper surface of the 180-degree bending part of the deformation part 9 is connected with the prefabricated external wall panel 2 through double faced adhesive tape.
The invention also provides a construction method for sealing the joint of the fabricated building conversion layer, which comprises the following steps:
step S1, uniformly plastering cement mortar 5 on a cast-in-situ structure bearing wall body 3;
s2, placing the construction tool 1 on an embedded bar 4 of a cast-in-situ structure bearing wall body 3, enabling the embedded bar 4 to penetrate through a fixing hole 8, completing initial connection of sealing joints, and horizontally fixing a fixing part 7 on the cast-in-situ structure bearing wall body 3, so that the construction tool 1 is more attached to the cast-in-situ structure bearing wall body 3;
s3, hoisting the prefabricated external wall panel 2, placing the prefabricated external wall panel 2 on the upper part of the construction tool 1, and falling the prefabricated external wall panel 2 to enable the deformation part 9 of the construction tool 1 to deform and finish accurate joint sealing connection, wherein the judging mode of finishing the accurate joint sealing connection is that the deformation part 9 of the construction tool 1 stops deforming, so that the gap is plugged more tightly, slurry leakage of a slurry seal is prevented, forming of the slurry seal is quickened, the prefabricated external wall panel 2 is accurately connected and fixed, the connection between the prefabricated external wall panel 2 and the cast-in-situ structure bearing wall body 3 is finished, a firm joint sealing shape is formed, and the slurry seal can be performed;
and S4, finishing the final connection joint sealing operation by carrying out slurry setting on the inner side of the prefabricated external wall panel, wherein the slurry setting is concrete slurry 6.
The construction tool 1 effectively prevents the leakage phenomenon of concrete slurry 6 in the slurry setting process, improves the connection time of the prefabricated external wall panel 2 and the cast-in-situ structure bearing wall body 3, simultaneously effectively quickens the forming time of the concrete slurry 6, firstly carries out hoisting of the prefabricated external wall panel 2, then carries out slurry setting and plugging, prevents slurry setting and plugging of grouting holes of the reinforcing steel sleeve in the slurry setting process, strengthens the joint sealing strength, and improves the construction quality.
It will be apparent that the above embodiments are merely examples for clarity of illustration, and that other forms of modification or variation may be made in light of the above description. Thus, obvious variations or modifications may be made by those skilled in the art to which the invention pertains.
Claims (3)
1. The construction method for the joint sealing of the assembled building conversion layer is characterized by comprising the following steps of: the whole construction tool used is a steel template gasket and comprises a fixing part (7) with a fixing hole (8) and a deformation part (9) which is positioned at one side of the fixing part (7) and is bent upwards, wherein the fixing part (7) is horizontally fixed on a cast-in-situ structure bearing wall body (3), and the deformation part (9) is bent upwards by 45 degrees, 135 degrees and finally 180 degrees along the horizontal direction and is parallel to the fixing part (7);
the lengths of 45-degree bending, 135-degree bending and 180-degree bending of the deformation part (9) are sequentially reduced;
the upper surface of the 180-degree bending part of the deformation part (9) is connected with the prefabricated external wall panel (2) through double faced adhesive tape;
the method comprises the following steps:
s1, uniformly plastering cement mortar (5) on a cast-in-situ structure bearing wall body (3);
s2, placing the construction tool (1) on an embedded bar (4) of the cast-in-situ structure bearing wall body (3), enabling the embedded bar (4) to penetrate through the fixing hole (8) to finish initial connection of sealing joints, and horizontally fixing the fixing part (7) on the cast-in-situ structure bearing wall body (3);
s3, hoisting the prefabricated external wall panel (2), placing the prefabricated external wall panel on the upper part of the construction tool (1), and falling the prefabricated external wall panel (2) to deform a deformation part (9) of the construction tool (1) so as to finish accurate joint sealing and form a firm joint sealing shape;
s4, performing slurry setting on the inner side of the prefabricated external wall panel (2) to finish final joint sealing operation.
2. The construction method for the prefabricated building conversion layer joint seal according to claim 1, wherein the construction method comprises the following steps: the judgment mode of the step S3 for completing the accurate joint sealing connection is that the deformation part (9) of the construction tool (1) stops deforming.
3. The construction method for the prefabricated building conversion layer joint seal according to claim 2, wherein the construction method comprises the following steps: and S4, setting the slurry into concrete slurry (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910840442.XA CN110453796B (en) | 2019-09-06 | 2019-09-06 | Construction tool and construction method for sealing joints of prefabricated building conversion layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910840442.XA CN110453796B (en) | 2019-09-06 | 2019-09-06 | Construction tool and construction method for sealing joints of prefabricated building conversion layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110453796A CN110453796A (en) | 2019-11-15 |
| CN110453796B true CN110453796B (en) | 2024-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910840442.XA Active CN110453796B (en) | 2019-09-06 | 2019-09-06 | Construction tool and construction method for sealing joints of prefabricated building conversion layer |
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| CN (1) | CN110453796B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235664B (en) * | 2018-10-26 | 2023-10-20 | 北京住总第三开发建设有限公司 | Construction tool for prefabricated wall body slurry setting of assembled structure and construction method thereof |
| CN113529987B (en) * | 2021-07-09 | 2022-07-26 | 吉林建筑大学 | Hanging plate for external wall and production method thereof |
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|---|---|---|---|---|
| EP0615033A1 (en) * | 1993-03-11 | 1994-09-14 | Hubert Fritz | Beam wall or the like with a sealing |
| JP2003293550A (en) * | 2002-04-01 | 2003-10-15 | Herikkusu:Kk | Siding assembly, siding board, face panel, suspending member, joint member and siding work method |
| KR20080086805A (en) * | 2007-03-29 | 2008-09-26 | 김기철 | Expansion joint waterprooping system and method using self-adhesive waterproof sheet |
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| WO2018219196A1 (en) * | 2017-06-02 | 2018-12-06 | 中国建筑股份有限公司 | Precast column base joint and construction method therefor |
| CN108999300A (en) * | 2018-09-29 | 2018-12-14 | 清华大学 | Fabricated shear wall outer wall joint waterproof construction |
| CN210658752U (en) * | 2019-09-06 | 2020-06-02 | 吉林建筑科技学院 | A construction tool for assembled building conversion layer seals seam |
-
2019
- 2019-09-06 CN CN201910840442.XA patent/CN110453796B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0615033A1 (en) * | 1993-03-11 | 1994-09-14 | Hubert Fritz | Beam wall or the like with a sealing |
| JP2003293550A (en) * | 2002-04-01 | 2003-10-15 | Herikkusu:Kk | Siding assembly, siding board, face panel, suspending member, joint member and siding work method |
| KR20080086805A (en) * | 2007-03-29 | 2008-09-26 | 김기철 | Expansion joint waterprooping system and method using self-adhesive waterproof sheet |
| CN205917937U (en) * | 2016-05-31 | 2017-02-01 | 中民筑友科技投资有限公司 | Side fascia installation node |
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| CN108660934A (en) * | 2018-05-22 | 2018-10-16 | 江苏省交通工程集团有限公司 | A kind of toughened internal stress seam stops sizing device and its construction method |
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| CN210658752U (en) * | 2019-09-06 | 2020-06-02 | 吉林建筑科技学院 | A construction tool for assembled building conversion layer seals seam |
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| Publication number | Publication date |
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| CN110453796A (en) | 2019-11-15 |
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Effective date of registration: 20191230 Address after: 130114, Jilin, Changchun city wide road, No. 1111 school building Applicant after: Jilin Institute of Architectural Science and Technology Address before: 130000 No. 5088 Xincheng street, Jilin, Changchun Applicant before: Jilin Jianzhu University Applicant before: Jilin Institute of Architectural Science and Technology Applicant before: JILIN PROVINCE JIANYUAN DESIGN GROUP Co.,Ltd. |
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