CN113898202A - Concrete gap repairing and anti-seepage treatment method - Google Patents
Concrete gap repairing and anti-seepage treatment method Download PDFInfo
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- CN113898202A CN113898202A CN202111195800.XA CN202111195800A CN113898202A CN 113898202 A CN113898202 A CN 113898202A CN 202111195800 A CN202111195800 A CN 202111195800A CN 113898202 A CN113898202 A CN 113898202A
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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
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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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
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00293—Materials impermeable to liquids
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Abstract
The invention belongs to the technical field of gap anti-leakage repair, and particularly relates to a concrete gap repair and anti-leakage treatment method, which comprises the following specific steps: s1, opening a pouring pit at one end of the gap: a filling pit is arranged between the two side buffer structures and is positioned at the upper end of a gap between the two side buffer structures, the filling pit is in a symmetrical arc shape, and a sealing flange is reserved on the inner wall of the upper side of the filling pit; s2, forming an anti-seepage groove at the upper part of the pouring pit; s3, pouring a repairing material; s4 laying anti-leakage layer. The construction is carried out in two steps by the cooperation of the filling pit and the anti-seepage groove, so that the construction effect is improved, and different raw materials are adopted in different steps, so that the anti-seepage performance of the repaired concrete can be obviously improved; through the arrangement of structures such as closed inner grooves, the leakage condition is obstructed from the physical structure.
Description
Technical Field
The invention relates to the technical field of gap anti-leakage repair, in particular to a concrete gap repair and anti-leakage treatment method.
Background
The cement concrete is a general name of engineering composite materials formed by mixing cement, sand, stone and the like with water into a whole, and the cement concrete is as follows: the concrete is a general term for engineering composite materials formed by mixing cement, sand, stone and the like into a whole by water, and the term of concrete generally refers to that cement is used as a cementing material, and sand and stone are used as aggregates; the cement concrete, also called as common concrete, is obtained by mixing with water (with or without additive and admixture) according to a certain proportion, stirring, forming and curing, and is widely applied to civil engineering.
Concrete cracks are physical structural changes of concrete structures due to the action of internal and external factors, and cracks are a main cause of reduction in bearing capacity, durability and waterproofness of concrete structures.
The existing concrete crack construction mode is easy to leak after being repaired, causes corrosion damage from the inside and reduces the service life.
Disclosure of Invention
The invention aims to provide a concrete gap repairing and anti-leakage treatment method, which aims to solve the problems that the existing concrete gap construction mode proposed in the background art is easy to leak after repairing, causes corrosion damage from the inside and reduces the service life.
In order to achieve the purpose, the invention provides the following technical scheme: a concrete gap repairing and anti-leakage treatment method comprises the following specific steps:
s1, opening a pouring pit at one end of the gap: a filling pit is arranged between the two side buffer structures and is positioned at the upper end of a gap between the two side buffer structures, the filling pit is in a symmetrical arc shape, and a sealing flange is reserved on the inner wall of the upper side of the filling pit;
s2, forming an anti-seepage groove at the upper part of the pouring pit: an anti-seepage groove is formed in the outer surface of the buffer structure and is positioned on one side, away from the gap, of the filling pit, the anti-seepage groove and the filling pit correspond in position, and closed inner grooves are formed in the two end portions of the anti-seepage groove towards one side of the buffer structure;
s3 pouring repair materials: embedding a filling nozzle into the filling pit, inserting the filling nozzle into the gap, filling a repairing material into the filling nozzle, enabling the repairing material to permeate into the gap, filling the gap, taking out the filling nozzle, continuously filling the repairing material until the filling pit is filled with the repairing material, enabling the upper end of the repairing material to be flush with the upper end of the sealing flange, and solidifying the repairing material;
s4 filling and laying an anti-leakage layer: laying an anti-leakage layer on the solidified repairing material, filling the anti-leakage groove and the closed inner groove with the anti-leakage layer, compacting the anti-leakage layer, injecting waterproof glue into the joint between the anti-leakage layer and the anti-leakage groove, spraying water on the anti-leakage layer once every 8-10 hours, and continuously spraying for 3 days.
Preferably, the sealing flange is in a block shape protruding towards the inner part of the pouring pit, and the sealing flange intersects with one end part of a borderline of the pouring pit.
Preferably, the anti-seepage grooves are formed in the outer surface of the buffer structure in the same depth.
Preferably, the inner wall of the pouring pit is polished in advance, and the surface of the inner wall of the pouring pit is polished by a sander, so that the roughness Ra is less than or equal to 0.8 mm.
Preferably, holes are uniformly chiseled on the inner wall of the polished pouring pit.
Preferably, the aperture of the small hole is set to be 0.6-1cm, the depth of the small hole is 2-4cm, and the distance between centers of adjacent small holes is 4-10 cm.
Preferably, the small hole is in a hollow circular truncated cone shape with a large inner diameter and a small outer diameter, the maximum diameter of the small hole is 1-1.2cm, and the maximum diameter of the small hole is 0.4-0.8 cm.
Preferably, the raw materials of the repair material are 10-12 parts of glass fiber yarn, 30-40 parts of cement, 20-22 parts of pebbles, 6-10 parts of epoxy resin adhesive and 24-30 parts of water according to mass proportion.
Preferably, the raw materials of the anti-leakage layer comprise cement, cement gum, nano polyethylene powder and water, and the cement, the cement gum, the nano polyethylene powder and the water are respectively as follows according to mass proportion: 30-40 parts of cement, 10-12 parts of cement gum, 6-8 parts of nano polyethylene powder and 18-24 parts of water.
Compared with the prior art, the invention has the beneficial effects that:
1) the construction is carried out in two steps by the cooperation of the filling pit and the anti-seepage groove, so that the construction effect is improved, and different raw materials are adopted in different steps, so that the anti-seepage performance of the repaired concrete can be obviously improved;
2) through the arrangement of structures such as closed inner grooves, the leakage condition is obstructed from the physical structure.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention in use;
FIG. 3 is a flow chart of the process of the present invention.
In the figure: 1 a buffer structure, 2 gaps, 3 filling pits, 4 sealing flanges, 5 anti-leakage grooves and 6 closed inner grooves.
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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the 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.
The first embodiment is as follows:
referring to fig. 1-3, the present invention provides a technical solution: a concrete gap repairing and anti-leakage treatment method comprises the following specific steps:
s1 opening a pouring pit 3 at one end of the gap 2: a filling pit 3 is arranged between the two side buffer structures 1, the filling pit 3 is positioned at the upper end of a gap 2 between the two side buffer structures 1, the filling pit 3 is in a symmetrical arc shape, a sealing flange 4 is reserved on the inner wall of the upper side of the filling pit 3, the sealing flange 4 is in a block shape protruding towards the inside of the filling pit 3, and the sealing flange 4 is intersected with one end part of a sideline of the filling pit 3;
s2, arranging an anti-seepage groove 5 at the upper part of the pouring pit 3: an anti-seepage groove 5 is formed in the outer surface of the buffer structure 1, the anti-seepage groove 5 is located on one side, away from the gap 2, of the filling pit 3, the anti-seepage groove 5 corresponds to the filling pit 3 in position, and closed inner grooves 6 are formed in two end portions of the anti-seepage groove 5 towards one side of the buffer structure 1;
the anti-seepage grooves 5 are arranged on the outer surface of the buffer structure 1 in the same depth; pre-polishing the inner wall of the pouring pit 3, and polishing the surface of the inner wall of the pouring pit 3 by a sand grinder to ensure that the roughness Ra is less than or equal to 0.8 mm;
uniformly chiseling small holes on the inner wall of the polished pouring pit 3, wherein the small holes comprise the following two forms:
the first method comprises the following steps: the aperture of the small hole is set to be 0.6-1cm, the depth of the small hole is 2-4cm, and the distance between centers of adjacent small holes is 4-10 cm.
And the second method comprises the following steps: the small hole is in a hollow round table shape with a large inner diameter and a small outer diameter, the maximum diameter of the small hole is 1-1.2cm, and the maximum diameter of the small hole is 0.4-0.8 cm.
S3 pouring repair materials: embedding a filling nozzle into the filling pit 3, inserting the filling nozzle into the gap 2, filling a repairing material into the filling nozzle, enabling the repairing material to permeate into the gap 2, filling the gap 2, taking out the filling nozzle, continuously filling the repairing material until the repairing material fills the filling pit 3, enabling the upper end of the repairing material to be flush with the upper end of the sealing flange 4, and solidifying the repairing material;
the raw materials of the repair material are 10Kg of glass fiber yarn, 30Kg of cement, 20Kg of pebble, 6Kg of epoxy resin glue and 24Kg of water according to the mass proportion.
S4 filling and laying an anti-leakage layer: laying an anti-leakage layer on the solidified repairing material, filling the anti-leakage groove 5 and the closed inner groove 6 with the anti-leakage layer, compacting the anti-leakage layer, injecting waterproof glue into the joint between the anti-leakage layer and the anti-leakage groove 5, spraying water on the anti-leakage layer once every 8-10 hours, and continuously spraying for 3 days. The raw materials of the anti-leakage layer comprise cement, cement gum, nano polyethylene powder and water, wherein the cement, the cement gum, the nano polyethylene powder and the water are respectively as follows according to mass proportion: 30Kg of cement, 10Kg of cement glue, 6Kg of nano polyethylene powder and 18Kg of water.
Example two:
the concrete gap repairing and anti-seepage treatment method comprises the following specific steps:
s1 opening a pouring pit 3 at one end of the gap 2: a filling pit 3 is arranged between the two side buffer structures 1, the filling pit 3 is positioned at the upper end of a gap 2 between the two side buffer structures 1, the filling pit 3 is in a symmetrical arc shape, a sealing flange 4 is reserved on the inner wall of the upper side of the filling pit 3, the sealing flange 4 is in a block shape protruding towards the inside of the filling pit 3, and the sealing flange 4 is intersected with one end part of a sideline of the filling pit 3;
s2, arranging an anti-seepage groove 5 at the upper part of the pouring pit 3: an anti-seepage groove 5 is formed in the outer surface of the buffer structure 1, the anti-seepage groove 5 is located on one side, away from the gap 2, of the filling pit 3, the anti-seepage groove 5 corresponds to the filling pit 3 in position, and closed inner grooves 6 are formed in two end portions of the anti-seepage groove 5 towards one side of the buffer structure 1;
the anti-seepage grooves 5 are arranged on the outer surface of the buffer structure 1 in the same depth; pre-polishing the inner wall of the pouring pit 3, and polishing the surface of the inner wall of the pouring pit 3 by a sand grinder to ensure that the roughness Ra is less than or equal to 0.8 mm;
uniformly chiseling small holes on the inner wall of the polished pouring pit 3, wherein the small holes comprise the following two forms:
the first method comprises the following steps: the aperture of the small hole is set to be 0.6-1cm, the depth of the small hole is 2-4cm, and the distance between centers of adjacent small holes is 4-10 cm.
And the second method comprises the following steps: the small hole is in a hollow round table shape with a large inner diameter and a small outer diameter, the maximum diameter of the small hole is 1-1.2cm, and the maximum diameter of the small hole is 0.4-0.8 cm.
S3 pouring repair materials: embedding a filling nozzle into the filling pit 3, inserting the filling nozzle into the gap 2, filling a repairing material into the filling nozzle, enabling the repairing material to permeate into the gap 2, filling the gap 2, taking out the filling nozzle, continuously filling the repairing material until the repairing material fills the filling pit 3, enabling the upper end of the repairing material to be flush with the upper end of the sealing flange 4, and solidifying the repairing material;
the raw materials of the repair material are 11Kg of glass fiber yarn, 35Kg of cement, 21Kg of pebble, 8Kg of epoxy resin glue and 27Kg of water according to the mass proportion.
S4 filling and laying an anti-leakage layer: laying an anti-leakage layer on the solidified repairing material, filling the anti-leakage groove 5 and the closed inner groove 6 with the anti-leakage layer, compacting the anti-leakage layer, injecting waterproof glue into the joint between the anti-leakage layer and the anti-leakage groove 5, spraying water on the anti-leakage layer once every 8-10 hours, and continuously spraying for 3 days. The raw materials of the anti-leakage layer comprise cement, cement gum, nano polyethylene powder and water, wherein the cement, the cement gum, the nano polyethylene powder and the water are respectively as follows according to mass proportion: 35Kg of cement, 11Kg of cement gum, 7Kg of nano polyethylene powder and 21Kg of water.
Example three:
the concrete gap repairing and anti-seepage treatment method comprises the following specific steps:
s1 opening a pouring pit 3 at one end of the gap 2: a filling pit 3 is arranged between the two side buffer structures 1, the filling pit 3 is positioned at the upper end of a gap 2 between the two side buffer structures 1, the filling pit 3 is in a symmetrical arc shape, a sealing flange 4 is reserved on the inner wall of the upper side of the filling pit 3, the sealing flange 4 is in a block shape protruding towards the inside of the filling pit 3, and the sealing flange 4 is intersected with one end part of a sideline of the filling pit 3;
s2, arranging an anti-seepage groove 5 at the upper part of the pouring pit 3: an anti-seepage groove 5 is formed in the outer surface of the buffer structure 1, the anti-seepage groove 5 is located on one side, away from the gap 2, of the filling pit 3, the anti-seepage groove 5 corresponds to the filling pit 3 in position, and closed inner grooves 6 are formed in two end portions of the anti-seepage groove 5 towards one side of the buffer structure 1;
the anti-seepage grooves 5 are arranged on the outer surface of the buffer structure 1 in the same depth; pre-polishing the inner wall of the pouring pit 3, and polishing the surface of the inner wall of the pouring pit 3 by a sand grinder to ensure that the roughness Ra is less than or equal to 0.8 mm;
uniformly chiseling small holes on the inner wall of the polished pouring pit 3, wherein the small holes comprise the following two forms:
the first method comprises the following steps: the aperture of the small hole is set to be 0.6-1cm, the depth of the small hole is 2-4cm, and the distance between centers of adjacent small holes is 4-10 cm.
And the second method comprises the following steps: the small hole is in a hollow round table shape with a large inner diameter and a small outer diameter, the maximum diameter of the small hole is 1-1.2cm, and the maximum diameter of the small hole is 0.4-0.8 cm.
S3 pouring repair materials: embedding a filling nozzle into the filling pit 3, inserting the filling nozzle into the gap 2, filling a repairing material into the filling nozzle, enabling the repairing material to permeate into the gap 2, filling the gap 2, taking out the filling nozzle, continuously filling the repairing material until the repairing material fills the filling pit 3, enabling the upper end of the repairing material to be flush with the upper end of the sealing flange 4, and solidifying the repairing material;
the raw materials of the repair material are glass fiber yarn, cement, pebbles, epoxy resin glue and water, and the mass proportion of the repair material is 12Kg of glass fiber yarn, 40Kg of cement, 22Kg of pebbles, 10Kg of epoxy resin glue and 30Kg of water respectively.
S4 filling and laying an anti-leakage layer: laying an anti-leakage layer on the solidified repairing material, filling the anti-leakage groove 5 and the closed inner groove 6 with the anti-leakage layer, compacting the anti-leakage layer, injecting waterproof glue into the joint between the anti-leakage layer and the anti-leakage groove 5, spraying water on the anti-leakage layer once every 8-10 hours, and continuously spraying for 3 days. The raw materials of the anti-leakage layer comprise cement, cement gum, nano polyethylene powder and water, wherein the cement, the cement gum, the nano polyethylene powder and the water are respectively as follows according to mass proportion: 40Kg of cement, 12Kg of cement glue, 8Kg of nano polyethylene powder and 24Kg of water.
Detecting the leakage-proof effect of the three embodiments, specifically, cutting the buffer structure 1, the gap 2, the filling pit 3, the leakage-proof groove 5, the repair material and the leakage-proof layer of the three embodiments;
a cover body is arranged from the upper part, the cover body covers the periphery of the anti-seepage groove 5, water is injected into the cover body, and the pressure applied to the water is 0.3MPa for 12 hours.
The results are given in the following table:
| repair material anti-seepage effect | Anti-leakage effect of anti-leakage layer | |
| Example one | Without water seepage | Without water seepage |
| Example two | Without water seepage | Without water seepage |
| EXAMPLE III | Without water seepage | Without water seepage |
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A concrete gap repairing and anti-leakage treatment method is characterized by comprising the following specific steps:
s1, opening a pouring pit (3) at one end of the gap (2): a filling pit (3) is arranged between the buffer structures (1) at the two sides, the filling pit (3) is positioned at the upper end of the gap (2) between the buffer structures (1) at the two sides, the filling pit (3) is in a symmetrical arc shape, and a sealing flange (4) is reserved on the inner wall of the upper side of the filling pit (3);
s2, an anti-seepage groove (5) is arranged at the upper part of the pouring pit (3): an anti-leakage groove (5) is formed in the outer surface of the buffer structure (1), the anti-leakage groove (5) is located on one side, away from the gap (2), of the filling pit (3), the anti-leakage groove (5) and the filling pit (3) correspond in position, and closed inner grooves (6) are formed in two end portions of the anti-leakage groove (5) towards one side of the buffer structure (1);
s3 pouring repair materials: embedding a filling nozzle into the filling pit (3), inserting the filling nozzle into the gap (2), filling a repairing material into the filling nozzle, enabling the repairing material to permeate into the gap (2), filling the gap (2), taking out the filling nozzle, continuously filling the repairing material until the filling pit (3) is filled with the repairing material, enabling the upper end of the repairing material to be flush with the upper end of the sealing flange (4), and solidifying the repairing material;
s4 filling and laying an anti-leakage layer: and laying an anti-leakage layer on the solidified repairing material, filling the anti-leakage groove (5) and the closed inner groove (6) with the anti-leakage layer, compacting the anti-leakage layer, injecting waterproof glue into the joint between the anti-leakage layer and the anti-leakage groove (5), spraying water on the anti-leakage layer once every 8-10 hours, and continuously spraying for 3 days.
2. The concrete gap repairing and anti-leakage treatment method according to claim 1, characterized in that: the sealing flange (4) is in a block shape protruding towards the interior of the pouring pit (3), and the sealing flange (4) is intersected with one end part of a sideline of the pouring pit (3).
3. The concrete gap repairing and anti-leakage treatment method according to claim 1, characterized in that: the depth of the anti-leakage grooves (5) formed in the outer surface of the buffer structure (1) is the same.
4. The concrete gap repairing and anti-leakage treatment method according to claim 1, characterized in that: and (3) polishing the inner wall of the pouring pit (3) in advance, and polishing the surface of the inner wall of the pouring pit (3) by a sander to ensure that the roughness Ra is less than or equal to 0.8 mm.
5. The concrete gap repairing and leakage preventing treatment method according to claim 4, wherein the concrete gap repairing and leakage preventing treatment method comprises the following steps: and uniformly chiseling small holes on the inner wall of the polished pouring pit (3).
6. The concrete gap repairing and leakage preventing treatment method according to claim 5, wherein the concrete gap repairing and leakage preventing treatment method comprises the following steps: the aperture of the small hole is set to be 0.6-1cm, the depth of the small hole is 2-4cm, and the distance between centers of adjacent small holes is 4-10 cm.
7. The concrete gap repairing and leakage preventing treatment method according to claim 5, wherein the concrete gap repairing and leakage preventing treatment method comprises the following steps: the small hole is in a hollow round table shape with a large inner diameter and a small outer diameter, the maximum diameter of the small hole is 1-1.2cm, and the maximum diameter of the small hole is 0.4-0.8 cm.
8. The concrete gap repairing and anti-leakage treatment method according to claim 1, characterized in that: the repairing material comprises, by mass, 10-12 parts of glass fiber yarn, 30-40 parts of cement, 20-22 parts of pebble, 6-10 parts of epoxy resin glue and 24-30 parts of water.
9. The concrete gap repairing and anti-leakage treatment method according to claim 1, characterized in that: the raw materials of the anti-leakage layer comprise cement, cement gum, nano polyethylene powder and water, wherein the cement, the cement gum, the nano polyethylene powder and the water are respectively as follows according to mass proportion: 30-40 parts of cement, 10-12 parts of cement gum, 6-8 parts of nano polyethylene powder and 18-24 parts of water.
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- 2021-10-14 CN CN202111195800.XA patent/CN113898202A/en active Pending
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| JP2010001686A (en) * | 2008-06-23 | 2010-01-07 | Ryozo Hirata | Method of repairing linear crack occurring portion in concrete wall, or method of sealing joint at connection portion of concrete wall |
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| CN113323440A (en) * | 2021-06-10 | 2021-08-31 | 上海凯顿百森建筑工程有限公司 | Concrete gap repairing and anti-seepage treatment method |
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