CN111910944A - Bolt hole plugging method - Google Patents
Bolt hole plugging method Download PDFInfo
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- CN111910944A CN111910944A CN202010697745.3A CN202010697745A CN111910944A CN 111910944 A CN111910944 A CN 111910944A CN 202010697745 A CN202010697745 A CN 202010697745A CN 111910944 A CN111910944 A CN 111910944A
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- Prior art keywords
- plugging
- hole
- bolt hole
- bolt
- bolt holes
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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
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0203—Arrangements for filling cracks or cavities in building constructions
- E04G23/0211—Arrangements for filling cracks or cavities in building constructions using injection
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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
- E04B1/64—Insulation or other protection; Elements or use of specified material therefor for making damp-proof; Protection against corrosion
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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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- 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
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/948—Fire-proof sealings or joints
-
- 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
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0203—Arrangements for filling cracks or cavities in building constructions
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a bolt hole plugging method which is characterized by comprising the following steps: cleaning the bolt holes, namely removing PVC sleeves in the wall body by using a percussion drill, completely blowing the holes by using a fan, and cleaning residual mortar on the peripheries of the holes; filling foaming glue, namely, after the bolt holes are cleaned up, driving the foaming glue into the bolt holes by using a glue gun, and reserving 1-2 cm of plugging amount on two sides of the hole opening when the foaming glue is expanded and filled tightly; preparing a protective plugging material, wherein the protective plugging material is an inorganic fireproof plugging material, the waterproof material adopts quick plugging agent, the selected materials are all in powder form, and the materials can be quickly mixed and used by adding a proper amount of water; the bolt holes are sealed, the hole diameter of the sealed bolt hole is 16-20 mm, a round steel bar or a round wood stick with the diameter of 12-14 mm is selected as a leading-in tool, then a mineral water bottle is obliquely cut from top to bottom to be used as a containing hopper, the prepared mixture is filled into the hopper, and the hole opening is smoothed by an iron trowel.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a bolt hole plugging method.
Background
The high-rise residential building belongs to reinforced concrete shear wall structure more, the counter-pulling bolt hole that the outer wall left when being under construction often becomes the hidden danger that the outer wall seepage gets damp and the fire channeling, but the bolt hole shutoff that engineering was commonly used at present has waterproof mortar shutoff, expanded cement mortar shutoff is filled to the expanded polystyrene foam, cement mortar shutoff coats waterproof coating outward, the problem of fire prevention has not been considered yet, and many processes have reduced shutoff efficiency, because all kinds of high-rise outer walls catch fire, the news of wall body seepage frequently appears, wait urgently to release one kind and adopt waterproof plugging material of fire prevention to carry out shutoff bolt hole shutoff method, must have better implementation effect.
Disclosure of Invention
Aiming at the technical problems in the related art, the invention provides a bolt hole plugging method, which can achieve the plugging function of fire prevention and water prevention by plugging a bolt hole by using an inorganic fireproof plugging material.
In order to achieve the technical purpose, the technical scheme of the invention is realized as follows: a method of plugging a bolt hole, the method comprising:
s1: cleaning the bolt holes, namely removing PVC sleeves in the wall body by using a percussion drill, completely blowing the holes by using a fan, and cleaning residual mortar on the peripheries of the holes;
s2: filling foaming glue, namely, after the bolt holes are cleaned up, driving the foaming glue into the bolt holes by using a glue gun, and reserving 1-2 cm of plugging amount on two sides of the hole opening when the foaming glue is expanded and filled tightly;
s3: preparing a protective plugging material, wherein the protective plugging material is an inorganic fireproof plugging material, the waterproof material adopts quick plugging agent, the selected materials are all in powder form, and the materials can be quickly mixed and used by adding a proper amount of water;
s4: the bolt holes are sealed, the hole diameter of the sealed bolt hole is 16-20 mm, a round steel bar or a round wood stick with the diameter of 12-14 mm is selected as an introduction tool, a mineral water bottle is obliquely cut from top to bottom to be used as a material containing hopper, and the prepared mixture is filled into the material containing hopper.
Further, the step S1 further includes:
s1.1, the bolt hole is a through hole arranged on the inner side of a reinforced concrete structure, and the PVC sleeve is arranged in the bolt hole and corresponds to the bolt hole in size;
s1.2, the diameter of the impact drill is smaller than that of the PVC sleeve, the PVC sleeve is removed through the impact drill, and then the blowing and sweeping treatment is carried out on the residues in the bolt hole through a fan.
Further, the step S2 further includes:
s2.1, injecting the foaming glue into a bolt hole with the diameter of 16-20 mm by using a glue gun, reserving 1-2 cm on two sides of the bolt hole respectively, and not filling the foaming glue until the foaming glue is expanded and filled tightly.
Further, the step S3 further includes:
s3.1, the protective plugging material is prepared by combining an inorganic fireproof plugging material with quick plugging agent, adding water and uniformly mixing, wherein the inorganic fireproof plugging material is 1, the quick plugging agent is 1, and the rest water is 0.6, and the weight ratio of the protective plugging material is 1:1: 0.6.
Further, the step S4 further includes:
s4.1, aligning the lower opening of the mineral water bottle mouth with the lower opening of the bolt hole, enabling the bottle mouth to be tightly attached to the wall surface, filling the prepared mixture into a hopper, plugging the hole by using a temporary plugging tool and a round steel bar or a round wood stick with the diameter of 12-14 mm, and then, troweling the hole opening by using an iron trowel.
Further, the outer surface of the reinforced concrete structure is flush with the outer surface of the plugging bolt hole.
Further, the cross sections of the reinforced concrete filling structure and the plugging material layer are both circular, and the size of the cross section is the same as that of the cross section of the bolt hole.
The invention has the beneficial effects that: in view of the deficiencies in the prior art, the inorganic fireproof blocking material has the advantages of water resistance, corrosion resistance, high strength, no odor and convenient construction fireproof performance, combines quick and efficient water stopping performance of quick leakage blocking, and is matched with each other to obtain respective advantages.
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 an unblocked structure of a bolt hole blocking method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating a post-plugging structure of a bolt hole plugging method according to an embodiment of the present invention;
in the figure: 1. a reinforced concrete wall; 2. PVC sleeves; 3. bolt holes; 4. foaming glue;
5. and (4) protecting and plugging materials.
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, a method for plugging bolt holes according to an embodiment of the present invention includes the steps of:
cleaning bolt holes;
step two, filling foaming glue;
step three, preparing a protective plugging material;
step four, sealing the bolt hole;
in a specific embodiment of the invention, firstly, a percussion drill is adopted to remove PVC sleeves in a wall body, a fan blows clean the holes and cleans residual mortar around the holes, the bolt holes are through holes distributed on the inner side of a reinforced concrete structure, the PVC sleeves are arranged in the bolt holes and correspond to the bolt holes in size, the diameter of the percussion drill is smaller than that of the PVC sleeves, and after the PVC sleeves are removed through the percussion drill, the fan blows and cleans the residues in the bolt holes.
In one embodiment of the invention, after the bolt hole is cleaned, the foaming glue is driven into the bolt hole by a glue gun, the foaming glue is expanded and tightly filled, and the blocking amount of the blocking material is reserved on two sides of the hole opening by 1 cm-2 cm.
In one embodiment of the invention, the protective plugging material is inorganic fireproof plugging material, the waterproof material is quick plugging agent, the selected materials are powder, the materials can be quickly mixed for use by adding a proper amount of water, the protective plugging material is inorganic fireproof plugging material combined with the quick plugging agent and added with water, the protective plugging material is uniformly mixed, the weight ratio of the protective plugging material to the water is 1:1:0.6, wherein the inorganic fireproof plugging material is 1, the quick plugging agent is 1, the residual water is 0.6, the inorganic fireproof plugging material is waterproof, corrosion resistant, high in strength, odorless and convenient to construct, the quick plugging, quick and efficient water stopping performance is combined, the interval of the inorganic fireproof plugging material and the initial and final setting time is extremely short, the strength is quickly generated after the final setting, the strength is more than 10MPa in 15 minutes, the strength is more than 20MPa in 1 hour, the operation can be carried with water, the water is quickly stopped and plugged, the inorganic fireproof plugging material and the quick plugging agent are matched with the quick, the advantages of the foam rubber and the advantages of the foam rubber for facilitating the quick filling of the small space construction are taken, so that the fireproof and waterproof functions are achieved.
In one embodiment of the invention, the hole diameter of the plugged bolt hole is 16-20 mm, a round steel bar or a round wood stick with the diameter of 12-14 mm is selected as an introduction tool, a mineral water bottle is obliquely cut from top to bottom to serve as a containing hopper, the lower opening of the mineral water bottle is aligned with the lower opening of the bolt hole, the bottle opening is tightly attached to the wall surface, the prepared mixture is filled into the hopper, then the temporary plugging tool is adopted, the round steel bar or the round wood stick with the diameter of 12-14 mm is plugged hole by hole, and the hole opening is smoothed by an iron trowel.
In one specific embodiment of the present invention, in the above description, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
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.
In specific use, the bolt hole plugging method according to the present invention is exemplified as follows: a project is transformed in a Guiyang east station goods yard shed region built by sixteen groups of middle iron and sixteen fourth engineering Limited companies, the total building area is about 17.25 ten thousand square meters, wherein the overground building area is 13.41 ten thousand square meters, the underground building area is 3.84 ten thousand square meters, the construction period is 36 months, the project comprises buildings, namely a 1# building (33 layers), a 2# building (32 layers), a 3# building (34 layers), a 4# building (34 layers), a 5# building (17 layers), a 6# building (33 layers), an 8# (33 layers) and basements, in the actual construction process, in order to save labor and improve the efficiency, workers often only adopt cement mortar to plug at two ends of bolt holes, then paint a layer of waterproof coating on one side of an outer wall, the middle is basically empty, the fire hazard is brought to later residents, the project is subjected to later-stage fire hazard, and the project is analyzed to have about 211 ten thousand bolt holes by comparison under the condition of normal plugging, and the fire hazard can be saved by about 87 ten thousand at most, more bolt holes in the engineering construction process have higher economic benefit, so an effective plugging method is urgently needed to be provided to improve the plugging quality and the construction efficiency, the following data are obtained through multiple tests on site, the requirement can be met when the mixing ratio is less than or equal to 1 through analysis of test data, the economic benefit and the convenient proportioning construction are considered, and the final conclusion is reached: selecting an inorganic fireproof blocking material with a proper weight proportion: the leakage stoppage agent is 1: 1;
the test effect is as follows:
the mixing ratio is 1: 0.25, smoke prevention, fire prevention and water prevention, the qualified point number is 8, and the qualified rate is 80%;
the mixing ratio is 1: 0.5, smoke prevention, fire prevention and water prevention, the number of qualified points is 9, and the qualified rate is 90%;
the mixing ratio is 1:1, smoke prevention, fire prevention and water prevention, wherein the qualified point number is 10, and the qualified rate is 100%;
the mixing ratio is 1: 1.5, smoke prevention, fire prevention and water prevention, wherein the qualified point number is 10, and the qualified rate is 100%;
the mixing ratio is 1: 2, smoke, fire and water are prevented, the number of qualified points is 10, and the qualified rate is 100%.
In conclusion, by means of the technical scheme, the fireproof performance of the inorganic fireproof plugging material, such as water resistance, corrosion resistance, high strength, no odor and convenience in construction, is combined with the quick, quick and efficient plugging water-stopping performance, the advantages of the inorganic fireproof plugging material, the inorganic fireproof plugging material and the foaming glue are matched, and the advantages of convenience in small-space construction and quick filling are further taken, so that the fireproof and waterproof functions are achieved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A method of plugging a bolt hole, the method comprising:
s1: cleaning the bolt holes, namely removing PVC sleeves in the wall body by using a percussion drill, completely blowing the holes by using a fan, and cleaning residual mortar on the peripheries of the holes;
s2: filling foaming glue, namely, after the bolt holes are cleaned up, driving the foaming glue into the bolt holes by using a glue gun, and reserving 1-2 cm of plugging amount on two sides of the hole opening when the foaming glue is expanded and filled tightly;
s3: preparing a protective plugging material, wherein the protective plugging material is an inorganic fireproof plugging material, the waterproof material adopts quick plugging agent, the selected materials are all in powder form, and the materials can be quickly mixed and used by adding a proper amount of water;
s4: the bolt holes are sealed, the hole diameter of the sealed bolt hole is 16-20 mm, a round steel bar or a round wood stick with the diameter of 12-14 mm is selected as an introduction tool, a mineral water bottle is obliquely cut from top to bottom to be used as a material containing hopper, and the prepared mixture is filled into the material containing hopper.
2. The method for plugging bolt holes according to claim 1, wherein said S1 further comprises:
s1.1, the bolt hole is a through hole arranged on the inner side of a reinforced concrete structure, and the PVC sleeve is arranged in the bolt hole and corresponds to the bolt hole in size;
s1.2, the diameter of the impact drill is smaller than that of the PVC sleeve, the PVC sleeve is removed through the impact drill, and then the blowing and sweeping treatment is carried out on the residues in the bolt hole through a fan.
3. The method for plugging bolt holes according to claim 1, wherein said S2 further comprises:
s2.1, injecting the foaming glue into a bolt hole with the diameter of 16-20 mm by using a glue gun, reserving 1-2 cm on two sides of the bolt hole respectively, and not filling the foaming glue until the foaming glue is expanded and filled tightly.
4. The method for plugging bolt holes according to claim 1, wherein said S3 further comprises:
s3.1, the protective plugging material is prepared by combining an inorganic fireproof plugging material with quick plugging agent, adding water and uniformly mixing, wherein the inorganic fireproof plugging material is 1, the quick plugging agent is 1, and the rest water is 0.6, and the weight ratio of the protective plugging material is 1:1: 0.6.
5. The method for plugging bolt holes according to claim 1, wherein said S4 further comprises:
s4.1, aligning the lower opening of the mineral water bottle mouth with the lower opening of the bolt hole, enabling the bottle mouth to be tightly attached to the wall surface, filling the prepared mixture into a hopper, plugging the hole by using a temporary plugging tool and a round steel bar or a round wood stick with the diameter of 12-14 mm, and then, troweling the hole opening by using an iron trowel.
6. The method of plugging bolt holes of claim 1, wherein the outer surface of the reinforced concrete structure is flush with the outer surface of the plugged bolt hole.
7. The method for plugging bolt holes according to claim 1, wherein the cross sections of the reinforced concrete plugging structure and the plugging material layer are circular, and the cross sectional dimension is the same as that of the bolt hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010697745.3A CN111910944A (en) | 2020-07-20 | 2020-07-20 | Bolt hole plugging method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010697745.3A CN111910944A (en) | 2020-07-20 | 2020-07-20 | Bolt hole plugging method |
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| CN111910944A true CN111910944A (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010697745.3A Pending CN111910944A (en) | 2020-07-20 | 2020-07-20 | Bolt hole plugging method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113457940A (en) * | 2021-06-29 | 2021-10-01 | 中国电建集团山东电力建设第一工程有限公司 | Steel structure node anticorrosion method and die |
| CN115110795A (en) * | 2022-06-17 | 2022-09-27 | 攀钢集团西昌钢钒有限公司 | Method and structure for repairing hopper wall of large cement product |
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| CN203603497U (en) * | 2013-12-14 | 2014-05-21 | 山西四建集团有限公司 | Large-steel-die-mesh mortar blocking device |
| CN203684414U (en) * | 2014-01-28 | 2014-07-02 | 中建四局第三建筑工程有限公司 | Rapid blocking structure of screw hole of concrete structure outer wall |
| CN105064513A (en) * | 2015-08-12 | 2015-11-18 | 江苏南通三建集团有限公司 | Concrete outer wall screw rod hole sealing and blocking structure and construction method of concrete outer wall screw rod hole sealing and blocking structure |
| CN206279789U (en) * | 2016-12-09 | 2017-06-27 | 中国建筑第四工程局有限公司 | A kind of plugging structure of exterior wall Screw arbor with nut at both-ends hole |
| CN110863667A (en) * | 2019-10-31 | 2020-03-06 | 上海建工七建集团有限公司 | Anti-seepage plugging structure and method for concrete shear wall screw hole |
-
2020
- 2020-07-20 CN CN202010697745.3A patent/CN111910944A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203603497U (en) * | 2013-12-14 | 2014-05-21 | 山西四建集团有限公司 | Large-steel-die-mesh mortar blocking device |
| CN203684414U (en) * | 2014-01-28 | 2014-07-02 | 中建四局第三建筑工程有限公司 | Rapid blocking structure of screw hole of concrete structure outer wall |
| CN105064513A (en) * | 2015-08-12 | 2015-11-18 | 江苏南通三建集团有限公司 | Concrete outer wall screw rod hole sealing and blocking structure and construction method of concrete outer wall screw rod hole sealing and blocking structure |
| CN206279789U (en) * | 2016-12-09 | 2017-06-27 | 中国建筑第四工程局有限公司 | A kind of plugging structure of exterior wall Screw arbor with nut at both-ends hole |
| CN110863667A (en) * | 2019-10-31 | 2020-03-06 | 上海建工七建集团有限公司 | Anti-seepage plugging structure and method for concrete shear wall screw hole |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113457940A (en) * | 2021-06-29 | 2021-10-01 | 中国电建集团山东电力建设第一工程有限公司 | Steel structure node anticorrosion method and die |
| CN115110795A (en) * | 2022-06-17 | 2022-09-27 | 攀钢集团西昌钢钒有限公司 | Method and structure for repairing hopper wall of large cement product |
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