CN110863570A - Construction method for plugging PVC (polyvinyl chloride) sleeve hole of opposite-pulling screw - Google Patents
Construction method for plugging PVC (polyvinyl chloride) sleeve hole of opposite-pulling screw Download PDFInfo
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- CN110863570A CN110863570A CN201911165147.5A CN201911165147A CN110863570A CN 110863570 A CN110863570 A CN 110863570A CN 201911165147 A CN201911165147 A CN 201911165147A CN 110863570 A CN110863570 A CN 110863570A
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- 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
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Abstract
The invention discloses a construction method for plugging a PVC casing hole of a split screw, which belongs to the technical field of waterproof devices and comprises the following steps: 1. manufacturing a plugging component; 2. picking and chiseling the periphery of the bolt hole into the hole; 3. brushing the steel wire brush; 4. blocking the PVC sleeve hole; 5. and sealing the PVC pipe sleeve hole. The PVC sleeve hole plugging construction method provided by the invention is simple to operate, convenient and reliable to use and strong in applicability, reduces the construction cost and unsafe factors, improves the construction quality and the construction efficiency, and adopts the plugging assembly which is simple in structure, convenient to manufacture, capable of using local materials and low in processing cost.
Description
Technical Field
The invention belongs to the technical field of waterproof devices, and particularly relates to a construction method for plugging a PVC casing hole of a split screw.
Background
The PVC sleeve can be used in the process of pouring and forming the formwork of the building outer wall, so that a plurality of sleeve holes can be left in the wall body after the building outer wall is formed, the sleeve holes must be plugged, otherwise, the outer wall is easy to seep water, the hollowing and the falling of a painting layer on the inner side of the outer wall are caused, and further, the later-stage maintenance cost is high, and the maintenance is troublesome.
The traditional PVC sleeve waterproof plugging is foam rubber plugging, and the waterproof effect is not good enough in the plugging mode, especially for the wall with wider width. Therefore, the waterproof plugging performance of the PVC casing pipe of the outer wall needs to be improved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a construction method for plugging a PVC casing hole of a split screw.
In order to achieve the purpose, the invention adopts the technical scheme that: the construction method for plugging the PVC sleeve hole of the counter-pull screw comprises the following steps:
a. manufacturing a plugging component: according to the aperture size and the wall thickness of the PVC casing pipe of the split screw, a steel plate gasket and a twisted steel bar are processed on site, and then the steel plate gasket and the twisted steel bar are welded into a whole;
b. picking and chiseling the periphery of the bolt hole into the hole: firstly, punching out the wall-penetrating PVC casing pipe by using a percussion drill, then carrying out chiseling by using a chisel, chiseling to the wall body, and timely cleaning out broken slag and sundries in bolt holes after chiseling;
c. brushing the steel wire brush: after cleaning, brushing the bristles by a steel wire brush around the circumference, and blowing the bristles clean by a blower;
d. plugging PVC sleeve holes: the plugging component is implanted into the holes injected with the glue for the inner and outer times in sequence, so that the structural glue is fully and compactly extruded.
e. Sealing the PVC pipe sleeve hole: and (3) smearing the waterproof expansion mortar to the bolt holes, tamping two ends of the waterproof expansion mortar by using a reinforcing bar after filling a part of the waterproof expansion mortar, continuously tamping the waterproof expansion mortar after solidification, troweling and polishing the bolt holes by using an iron trowel, and smearing and sealing the waterproof expansion mortar and the original poured concrete wall within 50mm by using polyurethane after drying the periphery of the holes.
Preferably, the length of the twisted steel bar in the step a is obtained by the following formula:
L＝b/2-5mm
in the formula: and b is the thickness of the wall.
Preferably, the thickness of the urethane coating in the step e is 2mm to 3 m.
Preferably, the diameter of the twisted steel bar in the step a is 10 mm-15 mm.
Preferably, in the step b, chiseling into the hole around the bolt hole further includes: and (4) using a chisel to pick the chisel, and picking the chisel into the wall by 40-50 mm.
Preferably, the waterproof expansion mortar in the step e further comprises: the waterproof expansion mortar comprises a micro-expansion agent and a waterproof agent, and the tolerance error of the doping amount of the micro-expansion agent is +/-2%.
The invention has the beneficial effects that: the method is simple in construction and high in efficiency, and the used materials adopt construction site waste steel plates and twisted steel bars, so that the construction cost is greatly reduced, and the construction quality is ensured; meanwhile, on the premise of ensuring the engineering quality, the plugging component and the polyurethane coating combination mode are adopted, so that the problem that the PVC sleeve hole is not tight in plugging is solved.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is an installation schematic diagram of a construction method for plugging PVC casing holes of opposite-pulling screws.
The steel plate-type wall body comprises 1 steel plate gaskets, 2 twisted steel bars, 3 structural adhesive and 4 wall body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the construction method for plugging the PVC casing hole of the counter-pulling screw is characterized by comprising the following steps:
a. manufacturing a plugging component: according to the aperture size and the wall thickness of the PVC casing pipe of the split screw, a steel plate gasket 1 and a twisted steel bar 2 are processed on site, and then the steel plate gasket 1 and the twisted steel bar 2 are welded into a whole;
b. picking and chiseling the periphery of the bolt hole into the hole: firstly, punching out the wall-penetrating PVC casing pipe by using a percussion drill, then carrying out chiseling by using a chisel, chiseling to the wall body, and timely cleaning out broken slag and sundries in bolt holes after chiseling;
c. brushing the steel wire brush: after cleaning, brushing the bristles by a steel wire brush around the circumference, and blowing the bristles clean by a blower;
d. plugging PVC sleeve holes: the plugging components are implanted into the holes injected with the glue for the inner and outer times in sequence, so that the structural glue 3 is fully and compactly extruded.
e. Sealing the PVC pipe sleeve hole: and (3) smearing the waterproof expansion mortar to the bolt holes, tamping two ends of the waterproof expansion mortar by using a reinforcing bar after filling a part of the waterproof expansion mortar, continuously tamping the waterproof expansion mortar after solidification, troweling and polishing the bolt holes by using an iron trowel, and smearing and sealing the waterproof expansion mortar and the original poured concrete wall within 50mm by using polyurethane after drying the periphery of the holes.
Wherein: the length of the twisted steel bar in the step a is obtained through the following formula: l ═ b/2 to 5mm, where: b is the thickness of the wall 4; the thickness of the urethane coating in the step e is 2 mm; the diameter of the twisted steel bar 2 in the step a is 10 mm; picking and chiseling the periphery of the bolt hole in the step b into the hole, and further comprising: using a chisel to pick the chisel, and picking the chisel into the wall 4 by 40 mm; the waterproof expansion mortar in the step e further comprises: the waterproof expansion mortar comprises a micro-expansion agent and a waterproof agent, and the tolerance error of the doping amount of the micro-expansion agent is +/-2%.
When in use, (1) firstly, a percussion drill with the drill tail diameter larger than or equal to 16mm is used for washing away the PVC casing pipe penetrating through the wall, and residues and dust are cleaned and washed clean;
(2) after cleaning, brushing the bristles by a steel wire brush around the circumference, and blowing the bristles clean by a blower;
(3) the plugging components are implanted into the holes injected with the glue for the inner and outer times in sequence, so that the structural glue 3 is fully and compactly extruded;
(4) smearing the waterproof expansion mortar to the bolt holes, tamping two ends of the waterproof expansion mortar by using a steel bar after filling a part of the waterproof expansion mortar, continuing to fill the waterproof expansion mortar after solidification, and trowelling and polishing the bolt holes by using an iron trowel;
(5) after the periphery of the hole is dried, the hole and the original poured concrete wall are coated and sealed by polyurethane coating for three times within the range of 50 mm.
The method has simple process, greatly shortens the construction period and solves the problem of incompact plugging of the PVC sleeve hole.
The PVC casing hole plugging method has the advantages of simple operation, convenient and reliable use, strong applicability, construction cost reduction, unsafe factors reduction, construction quality and construction efficiency improvement, simple structure of the adopted plugging component, convenient manufacture, local material utilization and low processing cost.
It is to be understood that the invention is not limited to the specific embodiments described above, but is intended to cover various insubstantial modifications of the inventive process concepts and solutions, or its application to other applications without modification.
Claims (6)
1. A construction method for plugging a PVC sleeve hole of a counter-pull screw is characterized by comprising the following steps:
a. manufacturing a plugging component: according to the aperture size and the wall thickness of the PVC casing pipe of the split screw, a steel plate gasket and a twisted steel bar are processed on site, and then the steel plate gasket and the twisted steel bar are welded into a whole;
b. picking and chiseling the periphery of the bolt hole into the hole: firstly, punching out the wall-penetrating PVC casing pipe by using a percussion drill, then carrying out chiseling by using a chisel, chiseling to the wall body, and timely cleaning out broken slag and sundries in bolt holes after chiseling;
c. brushing the steel wire brush: after cleaning, brushing the bristles by a steel wire brush around the circumference, and blowing the bristles clean by a blower;
d. plugging PVC sleeve holes: the plugging component is implanted into the holes injected with the glue for the inner and outer times in sequence, so that the structural glue is fully and compactly extruded.
e. Sealing the PVC pipe sleeve hole: and (3) smearing the waterproof expansion mortar to the bolt holes, tamping two ends of the waterproof expansion mortar by using a reinforcing bar after filling a part of the waterproof expansion mortar, continuously tamping the waterproof expansion mortar after solidification, troweling and polishing the bolt holes by using an iron trowel, and smearing and sealing the waterproof expansion mortar and the original poured concrete wall within 50mm by using polyurethane after drying the periphery of the holes.
2. The construction method for plugging the PVC casing hole of the counter-pulling screw according to claim 1, wherein the length of the twisted steel in the step a is obtained by the following formula:
L＝b/2-5mm
in the formula: and b is the thickness of the wall.
3. The construction method for plugging the PVC casing hole of the counter-pulling screw according to claim 1, wherein the thickness of the urethane coating in the step e is 2-3 mm.
4. The construction method for plugging the PVC sleeve hole of the counter-pulling screw according to claim 1, wherein the diameter of the twisted steel in the step a is 10-15 mm.
5. The construction method for plugging the PVC sleeve hole of the counter-pulling screw according to claim 1, wherein in the step b, chisels are chiseled into the hole around the bolt hole, and the method further comprises the following steps: and (4) using a chisel to pick the chisel, and picking the chisel into the wall by 40-50 mm.
6. The construction method for plugging the PVC casing hole of the counter-pulling screw according to claim 1, wherein the waterproof expansion mortar in the step e further comprises the following steps: the waterproof expansion mortar comprises a micro-expansion agent and a waterproof agent, and the tolerance error of the doping amount of the micro-expansion agent is +/-2%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911165147.5A CN110863570A (en) | 2019-11-25 | 2019-11-25 | Construction method for plugging PVC (polyvinyl chloride) sleeve hole of opposite-pulling screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911165147.5A CN110863570A (en) | 2019-11-25 | 2019-11-25 | Construction method for plugging PVC (polyvinyl chloride) sleeve hole of opposite-pulling screw |
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| Publication Number | Publication Date |
|---|---|
| CN110863570A true CN110863570A (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911165147.5A Pending CN110863570A (en) | 2019-11-25 | 2019-11-25 | Construction method for plugging PVC (polyvinyl chloride) sleeve hole of opposite-pulling screw |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775197A (en) * | 2021-05-17 | 2021-12-10 | 天津住宅集团建设工程总承包有限公司 | Construction method for plugging and preventing leakage of concrete outer wall through-wall bolt hole |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2186462A (en) * | 1938-05-27 | 1940-01-09 | Austin T Levy | Prefabricated building |
| CN103343577A (en) * | 2013-07-16 | 2013-10-09 | 浙江万华建设有限公司 | Shear wall water stopping method of detachable butted screw rods |
| CN207633757U (en) * | 2017-08-28 | 2018-07-20 | 济南城建集团有限公司 | A kind of leakage-resistant device in split bolt hole |
| CN208088876U (en) * | 2018-04-16 | 2018-11-13 | 中建二局第二建筑工程有限公司 | A kind of exterior wall Screw arbor with nut at both-ends preformed hole plugging structure |
-
2019
- 2019-11-25 CN CN201911165147.5A patent/CN110863570A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2186462A (en) * | 1938-05-27 | 1940-01-09 | Austin T Levy | Prefabricated building |
| CN103343577A (en) * | 2013-07-16 | 2013-10-09 | 浙江万华建设有限公司 | Shear wall water stopping method of detachable butted screw rods |
| CN207633757U (en) * | 2017-08-28 | 2018-07-20 | 济南城建集团有限公司 | A kind of leakage-resistant device in split bolt hole |
| CN208088876U (en) * | 2018-04-16 | 2018-11-13 | 中建二局第二建筑工程有限公司 | A kind of exterior wall Screw arbor with nut at both-ends preformed hole plugging structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775197A (en) * | 2021-05-17 | 2021-12-10 | 天津住宅集团建设工程总承包有限公司 | Construction method for plugging and preventing leakage of concrete outer wall through-wall bolt hole |
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Application publication date: 20200306 |