CN117588051A - Hole plugging construction method for concrete floor slab - Google Patents
Hole plugging construction method for concrete floor slab Download PDFInfo
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- CN117588051A CN117588051A CN202311684507.9A CN202311684507A CN117588051A CN 117588051 A CN117588051 A CN 117588051A CN 202311684507 A CN202311684507 A CN 202311684507A CN 117588051 A CN117588051 A CN 117588051A
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- 238000010276 construction Methods 0.000 title claims abstract description 55
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 60
- 239000010959 steel Substances 0.000 claims abstract description 60
- 238000000034 method Methods 0.000 claims abstract description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 229910000746 Structural steel Inorganic materials 0.000 claims description 18
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 238000013461 design Methods 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 2
- 238000009415 formwork Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 201000010099 disease Diseases 0.000 abstract 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000000779 smoke Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
- E04G19/00—Auxiliary treatment of forms, e.g. dismantling; Cleaning devices
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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
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
-
- 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
- E04G15/00—Forms or shutterings for making openings, cavities, slits, or channels
- E04G15/06—Forms or shutterings for making openings, cavities, slits, or channels for cavities or channels in walls of floors, e.g. for making chimneys
-
- 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
-
- 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
- E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/246—Safety or protective measures preventing damage to building parts or finishing work during construction specially adapted for curing concrete in situ, e.g. by covering it with protective sheets
-
- 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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention relates to a hole plugging construction method of a concrete floor slab, when a reserved hole is plugged, a mode of using a steel plate as a template and bolting for fixing is used by burying nuts and completing structural construction in a structural construction stage, so that the construction method formed by newly supporting a steel pipe support and the template by referring to structural construction in the traditional construction is replaced, the construction effect is better, the quality is more stable, the construction flow is simplified, the construction efficiency is improved, and the problems of complex construction formwork supporting process, poor control of construction quality and easy occurrence of quality common diseases in the traditional construction of a pay-off hole and a pump hole are solved; and in the structural construction stage, the locating frame is used for assisting in burying, the position of the embedded part is ensured to be matched with the reserved hole position of the steel template, and the formwork supporting/dismantling work can be completed only by using mounting screws to screw/loosen the steel template and the buried nut accurately positioned during formwork supporting/dismantling.
Description
Technical Field
The invention belongs to the technical field of concrete structure treatment, and particularly relates to a hole plugging construction method of a concrete floor slab.
Background
The traditional pay-off hole and pump hole plugging operation process flow is as follows: base layer treatment, bar planting, formwork supporting, hole edge treatment, concrete plugging, concrete curing and formwork removal. In the formwork supporting stage, steel pipes, jacking and channel steel are mainly used as formwork supporting systems, and the formworks are made of wood plywood and battens.
The holes of the traditional concrete wall comprise paying-off holes and pump pipe holes, the hole plugging formwork supporting and removing processes of the concrete wall are complex, the used materials and tools are more, and the carrying capacity is larger. In addition, because the adjustable range of the jacking is limited, the length modulus of the steel pipe is only 20cm, and the steel pipe is required to be cut or lengthened when the length modulus of the steel pipe is not suitable for the height of a floor. Particularly when the floor height is higher, on one hand, the support materials such as butt joint fasteners and lengthening sections of steel pipes used for lengthening the steel pipes need to be added, and on the other hand, the stability of a support system after lengthening is poor, and the quality of the support mode is poorly controlled.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provide a hole plugging construction method for a concrete floor slab.
In order to achieve the above purpose, the invention adopts a technical scheme that:
a hole plugging construction method of a concrete floor slab comprises the following steps:
erecting a floor slab template;
positioning and fixing the embedded part at the periphery of the reserved hole;
binding reinforcing steel bars of the main structure floor slab, and performing concrete pouring maintenance to form the floor slab;
removing the floor slab template, and planting ribs on the side walls around the reserved hole;
connecting the embedded part with the mounting part, and fixing the steel template on the floor slab;
after the reserved hole periphery concrete is fully wetted, uniformly smearing the hole periphery by plain cement paste;
pouring concrete at the reserved hole, and adopting a film to cover, water and maintain, so as to ensure that the concrete is in a wet state;
dismantling the steel template and the embedded part when the strength of the poured concrete meets the requirement;
and (5) plugging and trowelling the bolt hole formed by the embedded part at the end.
Optionally, the embedded part comprises an embedded plug and an embedded nut; positioning and fixing the embedded part around the reserved hole specifically comprises the following steps:
installing the embedded plugs on a positioning frame, and determining the positions of the embedded plugs on the floor slab templates through the positioning frame;
positioning iron nails to fix the embedded plugs on the floor slab templates;
and taking down the positioning frame, and installing the embedded nut on the fixed embedded plug.
Optionally, the positioning frame comprises a first positioning angle iron, a second positioning angle iron and a third positioning angle iron which are sequentially and vertically connected, and the first positioning angle iron, the second positioning angle iron and the third positioning angle iron are surrounded to form a concave shape; four corners of the locating frame are provided with mounting holes which are matched with the end shapes of the embedded plugs.
Optionally, the embedded plug is in a truncated cone shape, a hole for positioning the iron nail to pass through is formed on the central axis of the embedded plug, and a release agent is coated on the external contact surface of the embedded plug.
Optionally, a stud is formed at the small end part of the round table of the embedded plug, and the stud is in threaded connection with the embedded nut.
Optionally, the mounting member includes a mounting screw, the mounting member is used to connect the embedded member, and fixing the steel form on the floor slab specifically includes:
abutting the steel template on the floor slab;
and installing bolts penetrate through the steel templates to connect the embedded nuts.
Optionally, the removing the steel template and the embedded part when the strength of the concrete to be poured reaches the requirement specifically comprises:
after the concrete strength reaches 75% of the design strength standard value, screwing out the mounting screw;
taking down the steel template;
and taking the embedded nuts out of the floor slab.
Optionally, a positioning hole is formed on the steel template, the axis of the positioning hole is coaxial with the central axis of the embedded plug, and the mounting screw penetrates through the positioning hole.
Optionally, the concrete poured at the reserved hole is micro-expansive fine stone concrete.
Optionally, the concrete is poured by a layered hole blocking method.
Compared with the prior art, the invention has the beneficial effects that:
according to the hole plugging construction method for the concrete floor slab, when a reserved hole is plugged, nuts are buried in the construction stage, the steel plate is used as a template for structural construction, and the steel plate is used for fixing in a bolt connection mode, so that the construction method formed by newly supporting a steel pipe support and the template by referring to structural construction in the traditional construction is replaced, the construction effect is better, the quality is more stable, meanwhile, the construction flow is simplified, the construction efficiency is improved, and the problems that the traditional paying-off hole and pump hole construction template supporting process is complex, the construction quality is not well controlled and quality common problems are easy to occur are solved; and in the structural construction stage, the locating frame is used for assisting in burying, the position of the embedded part is ensured to be matched with the reserved hole position of the steel template, and the formwork supporting/dismantling work can be completed only by using mounting screws to screw/loosen the steel template and the buried nut accurately positioned during formwork supporting/dismantling. Compared with the traditional formwork supporting mode, the method has the advantages of simple process flow, more stable and firm installation, and strong applicability, and simultaneously, the restriction of the floor height on construction auxiliary materials and tools is overcome.
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 required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method of hole plugging construction of a concrete floor slab of the present invention;
FIG. 2 is a schematic view of the structure of the mounting member, steel form, embedded member and positioning frame of the present invention;
FIG. 3 is a schematic structural view of an embedded part according to the present invention;
FIG. 4 is an installation view of a steel form in accordance with a first embodiment of the present invention;
fig. 5 is an installation view of a steel form in a second embodiment of the present invention.
In the figure: 1. embedding a plug; 2. a positioning frame; 3. positioning iron nails; 4. embedding nuts; 5. a steel template; 6. and (5) installing a screw.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
Example 1
Referring to fig. 1, the embodiment discloses a hole plugging construction method of a concrete floor slab, which comprises the following steps:
step one: erecting a floor slab template; the main body structure formwork support system of the embodiment adopts a disc buckle type scaffold, and the floor slab formwork adopts a 20mm thick wood slab. The parts with special purposes during design and construction can generate reserved holes on building templates, such as paying-off holes for positioning measurement during most common construction of building construction engineering, smoke ports for kitchen smoke discharge design by installing a flue, and the like, and also reserved holes for cable bridges and pipelines penetrating through floors and floors of rooms with special functions. Thus, it is necessary to form the appropriate openings in the floor form as well, thereby shaping the preformed holes when pouring the floor on the floor form.
The thickness of the floor slab of the embodiment is 120mm, the floor slab is C30 concrete, and the planned-line opening is an inverted ladder stand with the upper opening size of 130mm multiplied by 130mm and the lower opening size of 100mm multiplied by 100 mm.
Step two: positioning and fixing the embedded part at the periphery of the reserved hole; as shown in fig. 2 and 3, the embedded part of the embodiment includes an embedded plug 1 and an embedded nut 4; positioning and fixing the embedded part around the reserved hole specifically comprises the following steps: installing the embedded plug 1 on a positioning frame 2, and determining the position of the embedded plug 1 on a floor slab template through the positioning frame 2; the pre-buried plug 1 is fixed on the floor slab template by the positioning iron nails 3; and taking down the positioning frame 2, and installing the embedded nut 4 on the fixed embedded plug 1.
Further, the positioning frame 2 comprises a first positioning angle iron, a second positioning angle iron and a third positioning angle iron which are sequentially and vertically connected, and the first positioning angle iron, the second positioning angle iron and the third positioning angle iron are surrounded to form a concave shape; four corners of the locating frame 2 are provided with mounting holes which are matched with the end shape of the embedded plug 1.
Further, the embedded plug 1 is of a round table shape and made of PVC materials, a hole for the positioning iron nail 3 to pass through is formed in the central axis of the embedded plug 1, the positioning iron nail 3 is a round nail with the diameter of 30mm, and a release agent is coated on the outer contact surface of the embedded plug 1. The small end part of the round table of the embedded plug 1 is provided with a stud which is in threaded connection with the embedded nut 4. The internal thread size of the embedded nut 4 of the embodiment is matched with that of an M14 hexagonal screw, and the outside is hexagonal.
Step three: and binding the steel bars of the main structure floor slab, and performing concrete pouring maintenance to form the floor slab.
Step four: removing the floor slab template, and planting ribs on the side walls around the reserved hole before the reserved hole is blocked. In the process of dismantling the floor slab template, as the external contact surface of the embedded plug 1 is coated with the release agent, and the embedded plug 1 is fixed on the floor slab template by the positioning iron nails 3, the embedded plug 1 and the positioning iron nails 3 can be dismantled together with the floor slab template. And (3) performing side wall bar planting before plugging the reserved hole, firstly drilling holes at the scribing and positioning positions of the side walls, pouring structural adhesive after removing hole dust, implanting the processed steel bars, and finishing bar planting through quality inspection after curing and solidification.
Step five: connecting the embedded part with the mounting part, and fixing the steel template 5 on the floor slab; referring to fig. 4, the mounting member includes a mounting screw 6, and the mounting member is used to connect the embedded member, and the fixing of the steel form 5 on the floor slab specifically includes: abutting the steel template 5 on the floor slab; the embedded nuts 4 are connected through the steel templates 5 by mounting screws 6. The steel template 5 is provided with a positioning hole, the axis of the positioning hole is coaxial with the central axis of the embedded plug 1, and the mounting screw 6 penetrates through the positioning hole. The mounting screw 6 is an M14 hex screw. The joint of the nut of the mounting screw 6 and the steel template 5 is provided with a matched gasket.
Step six: after the reserved hole periphery concrete is fully wetted, uniformly smearing the hole periphery by plain cement paste; the mixing proportion of the plain cement paste is the same as the mortar component in the concrete.
Step seven: pouring concrete at the reserved hole, and adopting a film to cover, water and maintain, wherein the maintenance time is not less than 7 days, so that the concrete is ensured to be in a wet state; the concrete poured at the reserved hole is micro-expansion fine stone concrete, and the concrete is poured by adopting a layered hole blocking method.
Step eight: dismantling the steel template 5 and the embedded part when the strength of the poured concrete meets the requirement; dismantling the steel template 5 and the embedded part when the strength of the concrete to be poured meets the requirement specifically comprises: after the concrete strength reaches 75% of the design strength standard value, screwing out the mounting screw 6; then the steel template 5 is taken down; and taking the embedded nuts 4 out of the floor slab.
Step nine: and (5) plugging and trowelling the bolt hole formed by the embedded part at the end. After the embedded nuts 4 are removed, bolt holes are reserved on the floor slab below the embedded part, and the bolt holes are required to be blocked and smoothed.
Compared with the prior art, the invention has the beneficial effects that:
according to the hole plugging construction method for the concrete floor slab, when a reserved hole is plugged, nuts are buried in the construction stage, the steel plate is used as a template for structural construction, and the steel plate is used for fixing in a bolt connection mode, so that the construction method formed by newly supporting a steel pipe support and the template by referring to structural construction in the traditional construction is replaced, the construction effect is better, the quality is more stable, meanwhile, the construction flow is simplified, the construction efficiency is improved, and the problems that the traditional paying-off hole and pump hole construction template supporting process is complex, the construction quality is not well controlled and quality common problems are easy to occur are solved; the positioning frame 2 is used for assisting in burying in the structural construction stage, the position of the embedded part is matched with the reserved hole position of the steel template 5, and the template supporting/dismantling work can be completed only by screwing/unscrewing the steel template 5 and the buried nut accurately positioned by using the mounting screw 6 during template supporting/dismantling. Compared with the traditional formwork supporting mode, the method has the advantages of simple process flow, more stable and firm installation, and strong applicability, and simultaneously, the restriction of the floor height on construction auxiliary materials and tools is overcome.
The embedded part of the embodiment adopts a split design, so that the embedded part is not directly exposed on the bottom surface of the floor, cement can be used for plugging after construction is completed, and the appearance of the construction completion surface is good. In addition, except the embedded nut 4, other components can be used in a turnover way, and the turnover rate is high.
The method has strong applicability, can be applied to small-sized hole protection and auxiliary temporary facility fixation in construction sites, such as smoke gate protection, pre-embedding of life line fixation points of high-altitude operation safety belts and the like, besides being used for concrete plugging construction of a pay-off hole pump hole.
And the buried part positioning and fixing, the steel template 5 installation, the steel template 5 dismantling and other procedures that this embodiment covers, when construction convenient and fast, low to operating personnel's technical requirement, do not need professional carpenters, shelves worker, the general worker can accomplish all operations through simple mating, has further reduced the cost of labor. In addition, because the steel plate is used as a template and is fixedly connected by bolts, the steel template 5 can be effectively closely connected with the original concrete bottom plate after the bolts are screwed, the steel plate has high rigidity and is not easy to generate large deformation, and the quality defects of uneven, mold expansion, slurry leakage and the like easily occurring at the bottom after the concrete casting of the traditional pay-off hole are overcome, and the steel plate is smooth and attractive after the concrete casting is finished.
Example two
As yet another embodiment of the present invention, unlike the first embodiment, the form in the first step of the present embodiment is a 20mm thick wood slab, the slab thickness is 120mm, the slab is C30 concrete, the flue size to be constructed is 380mm×480mm, and the reserved flue opening size is 400mm×500mm. And step two, positioning an embedded part by a ruler measuring method, marking a template which is parallel to the long side wall at four corners of a hole and 50mm away from the long side wall and 50mm away from the short side wall by a marker pen, fixing the embedded plug 1 on a marking point by using a positioning iron nail 3, and installing an embedded nut 4 on the fixed embedded plug 1. In the fifth step, as shown in fig. 5, the steel template 5 is formed by welding two galvanized steel plates with the dimensions of 550mm×500mm and 550mm×100mm, and is in an L shape, and a hole matched with an M14 hexagonal screw is reserved to ensure that the installation position of the steel template 5 is accurate and firm.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present application, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, this is for convenience of description and simplification of the description, but does not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely used for illustration and are not to be construed as limitations of the present patent, and that the specific meaning of the terms described above may be understood by those of ordinary skill in the art according to the specific circumstances.
The foregoing description of the preferred embodiment of the present invention is not intended to limit the invention to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (10)
1. The hole plugging construction method of the concrete floor slab is characterized by comprising the following steps of:
erecting a floor slab template;
positioning and fixing the embedded part at the periphery of the reserved hole;
binding reinforcing steel bars of the main structure floor slab, and performing concrete pouring maintenance to form the floor slab;
removing the floor slab template, and planting ribs on the side walls around the reserved hole;
connecting the embedded part with the mounting part, and fixing the steel template on the floor slab;
after the concrete around the reserved hole is fully wetted, uniformly smearing the periphery of the hole by using plain cement paste;
pouring concrete at the reserved hole, and adopting a film to cover, water and maintain to ensure that the concrete is in a wet state;
removing the steel template and the embedded part when the strength of the concrete to be poured meets the requirement;
and (3) plugging and trowelling the bolt hole formed by the embedded part at the end.
2. The method for plugging holes in a concrete floor according to claim 1, wherein the embedded part comprises an embedded plug and an embedded nut; the positioning and fixing of the embedded part at the periphery of the reserved hole specifically comprises the following steps:
the embedded plugs are arranged on a locating frame, and the positions of the embedded plugs are determined on the floor slab templates through the locating frame;
the positioning iron nails fix the embedded plugs on the floor slab templates;
and taking down the positioning frame, and installing the embedded nut on the fixed embedded plug.
3. The method for plugging holes in a concrete floor according to claim 2, wherein the positioning frame comprises a first positioning angle iron, a second positioning angle iron and a third positioning angle iron which are vertically connected in sequence, and the first positioning angle iron, the second positioning angle iron and the third positioning angle iron are surrounded in a concave shape; four corners of the locating frame are provided with mounting holes which are matched with the end shapes of the embedded plugs.
4. A method for plugging a hole in a concrete floor according to claim 3, wherein the embedded plug is in a shape of a truncated cone, a hole for the positioning iron nail to pass through is formed on the central axis of the embedded plug, and a release agent is coated on the external contact surface of the embedded plug.
5. The method for plugging holes in a concrete floor according to claim 2, wherein a stud is formed at a small end of a round table of the embedded plug, and the stud is screwed with the embedded nut.
6. The method for plugging holes in a concrete floor according to claim 2, wherein the mounting members comprise mounting screws, the mounting members are used for connecting the embedded members, and the fixing of the steel form on the floor comprises the following steps:
abutting the steel template against the floor slab;
and the mounting screw penetrates through the steel template to be connected with the embedded nut.
7. The hole plugging construction method of a concrete floor slab according to claim 6, wherein the removing of the steel form and the embedded part when the strength of the concrete to be poured reaches a requirement comprises the following steps:
after the concrete strength reaches 75% of a design strength standard value, screwing out the mounting screw;
removing the steel template;
and taking out the embedded nuts from the floor slab.
8. The method for plugging holes in a concrete floor according to claim 6, wherein the steel form is formed with a positioning hole, the axis of the positioning hole is coaxial with the central axis of the embedded plug, and the mounting screw passes through the positioning hole.
9. The method for plugging a hole in a concrete floor slab according to claim 1, wherein the concrete poured into the reserved hole is micro-expansive fine stone concrete.
10. The method for plugging holes in a concrete floor according to claim 9, wherein the concrete is poured by a layered hole plugging method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311684507.9A CN117588051A (en) | 2023-12-07 | 2023-12-07 | Hole plugging construction method for concrete floor slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311684507.9A CN117588051A (en) | 2023-12-07 | 2023-12-07 | Hole plugging construction method for concrete floor slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
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