CN109267709B - Deformation joint anti-leakage structure and repairing method thereof - Google Patents
Deformation joint anti-leakage structure and repairing method thereof Download PDFInfo
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- CN109267709B CN109267709B CN201811315651.4A CN201811315651A CN109267709B CN 109267709 B CN109267709 B CN 109267709B CN 201811315651 A CN201811315651 A CN 201811315651A CN 109267709 B CN109267709 B CN 109267709B
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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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
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6806—Waterstops
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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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Abstract
The invention discloses a deformation anti-leakage structure, wherein an elastic filling material is arranged in a deformation joint to form a gasket, and then a sealing paste filling layer is formed by sealing with sealing paste to form elastic sealing of a first layer; covering a flexible waterproof material layer on the deformation joint, pressing two sides of the flexible waterproof material layer into the water stopping grooves, and fixing the flexible waterproof material layer with steel nails through pressing strips to form a second-level elastic seal; through multi-layer sealing, the deformation joint has certain deformation performance and good anti-leakage performance; moreover, the anti-leakage performance is not easy to be damaged due to deformation, and the anti-leakage structure has long service time; the method is used for carrying out anti-leakage repair on the deformation joint of the existing building, is easy to implement and construct, effectively solves the problem of leakage of the deformation joint, can ensure normal use functions of engineering under the condition of not damaging the original structure, and has no influence on the appearance of the original structure after repair.
Description
Technical Field
The invention belongs to the technical field of construction deformation joint leakage construction treatment, and particularly relates to a deformation joint leakage-proof structure and a repair method thereof.
Background
In projects such as roofs, basements, outer walls, corridors, balconies, bridges, subways, high-speed rails, urban rails and the like of buildings, in order to meet the requirements of building deformation, extrusion conflicts of internal stress are solved, and deformation joints are widely applied; however, the arrangement of the deformation joint also brings the problem of leakage;
the deformation joint of the building can be in different forms and different degrees of leakage in the construction and use processes, so that the appearance of the building is influenced, the normal use function of the building is influenced, steel bar corrosion and cement neutralization can be caused by water leakage corrosion, the service life of the building is further shortened, and the normal use of the building and the durability of the structure are endangered. At present, in the process of treating deformation joint leakage, the general method comprises the following steps:
(1) The rigid cement mortar, quick-setting cement, epoxy and other materials are adopted for plugging, the principle of setting deformation joints is to meet the requirement of building deformation, the rigid plugging can restrict the requirement of building deformation, the plugging can be quickly broken by pulling crack deformation to cause damage along with the backward passage of time, and the rigid plugging becomes temporary and leaks again;
(2) Grouting is adopted, wherein the leakage is blocked, the visible leakage is blocked, and new leakage can occur at the other part; the area blocked by grouting is small, the bonding surface is few, and the plugging effect is not thorough.
(3) The method aims at meeting the aim of water diversion of a water receiving tank, shielding a cover plate and the like, water stains can not be seen on the surface of a building, leakage at the back of shielding still exists, the building structure is substantially corroded by water, the durability of the structure is endangered, and the method can not treat the symptoms and the root causes.
From the above, the above method cannot perfectly solve the problem of leakage prevention of the deformation joint; the application discloses a deformation joint anti-leakage structure, which can be used for setting a building in the initial construction process, can also be used for repairing the leakage of the deformation joint in the use process of the building, and also provides a method for performing anti-leakage repair on the deformation joint structure of the existing building in the use process of the building.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the deformation joint anti-leakage structure which is provided with a multi-layer sealing anti-leakage structure, and has good anti-leakage performance and long service life.
The technical scheme adopted for solving the technical problems is as follows:
An anti-leakage structure for a deformation joint comprises the deformation joint, an elastic filling material, a sealing paste filling layer, a flexible waterproof material layer, a pressing strip, steel nails and a structural layer main body positioned at the left side and the right side of the deformation joint; the elastic filling material is filled in the deformation joint; the sealing paste filling layer is coated on the elastic filling material, and the deformation joint space above the elastic filling material is sealed and filled; the flexible material layer covers the upper end of the deformation joint; the structure layer main body on the left side and the right side is provided with a water stopping groove, two sides of the flexible filling material layer are correspondingly pressed into the water stopping groove through pressing strips, and the pressing strips are fixed with the structure layer main body through steel nails.
According to the deformation anti-leakage structure in the technical scheme, the elastic filling material is arranged in the deformation joint, the sealing paste filling layer is sealed, the sealing paste has viscosity, elasticity and waterproofness, the gasket is formed by arranging the elastic filling material, and then the sealing paste filling layer is formed by sealing the sealing paste, so that the elastic sealing of the first layer is formed; covering a flexible waterproof material layer on the deformation joint, pressing two sides of the flexible waterproof material layer into the water stopping grooves, and fixing the flexible waterproof material layer with steel nails through pressing strips to form a second-level elastic seal; the flexible waterproof material layer is arranged, the flexible material has certain elasticity, and is not easy to tear when the deformation joint deforms and misplaces up and down, so that the good sealing performance is maintained; through the sealing of the two layers, the deformation joint has certain deformation performance and good anti-leakage performance; and the anti-leakage performance is not easy to be damaged due to deformation, and the anti-leakage structure has long service life.
In some embodiments, the flexible material layer is divided into a waterproof coating flexible waterproof layer positioned at a lower layer and a waterproof coiled material flexible waterproof layer positioned at an upper layer; a non-woven fabric layer or a glass fiber tire layer is arranged in the waterproof coating flexible waterproof layer. In some embodiments, only one waterproof layer can be arranged, but a lower waterproof coating flexible waterproof layer and an upper waterproof coiled material flexible waterproof layer are arranged, and the two layers can be complemented with each other in waterproof sealing, so that the service life and the anti-leakage performance of the anti-leakage structure are prolonged.
In some embodiments, the flexible filling material layer is provided with a deformation compensation section corresponding to the deformation joint. The deformation compensation section refers to a material layer which is correspondingly arranged in the deformation joint with the unit width and is longer than the unit width; therefore, when the deformation joint is deformed and widened or misplaced up and down, the deformation joint has larger compensation capability for the deformation of the deformation joint besides the elasticity of the deformation joint, and the deformation joint cannot be torn due to the deformation; the adaptability to deformation of the deformation joint is improved, and the service life is prolonged.
In some embodiments, a sealant or sealant is coated over the water stop groove, and the sealant or sealant seals the edges of the steel nails, the pressing strips and the flexible material layer in the water stop groove. The water stopping groove has a water stopping effect, so that external water is not easy to diffuse into a gap below the flexible filling material from the edge; but set up sealant or sealant, can further strengthen this waterproof construction for water can't get into the stagnant water recess, antiseep more thoroughly.
In certain embodiments, the elastic filler material is a foam tape or a foam gel. The elastic filling material is only used as a lining material of the sealing paste filling layer, in some embodiments, other non-foam adhesive tapes or foaming adhesive materials can be used, but the foaming adhesive tapes can be used for foaming adhesive materials, the elastic filling material can be directly sprayed on the inner side wall of the deformation joint through a spray tank, and a lining structure can be directly formed after the elastic filling material is dried and hardened, so that the connection is tight and the use is more convenient; sealing performance can be improved, and construction time is saved.
In certain embodiments, the sealant filling layer is a sealant or sealant having adhesive, elastic, and waterproof sealing properties. The sealing paste filling layer is not limited to a certain type of sealing paste, and all sealing pastes or sealing pastes with viscosity, elasticity and sealing waterproof performance can be used.
In certain embodiments, the bead is a metal bead or a plastic bead. The bead is not limited to metal beads or plastic beads, and any material may be used, except that metal beads and plastic beads have advantages in terms of strength and service life, and in some embodiments, other materials may be used as the bead.
In certain embodiments, the upper surface of the structural layer body has a structural screed, and the water stop groove is disposed on the structural screed or on the structural layer body concrete. In the initial construction process of the building, when the deformation joint is arranged, the deformation joint anti-leakage structure can be directly arranged after the structural layer is arranged; then setting a structural leveling layer and setting decorative surfaces such as ceramic tiles of the decorative layer; however, in the existing building, when the problem of leakage of the deformation joint of the existing building is repaired, certain structural leveling layers are hard, smooth, hard and compact, and have strong anti-leakage performance, or the structure of the structural leveling layers is thick; it is also possible to provide the water stop grooves on the structural screed but it is noted that the steel nails must be nailed, preferably into the structural screed.
The application also provides a repair method of the deformation joint anti-leakage structure, which is used for repairing the deformation joint leakage problem of the existing building, and has small damage to the original structure and good repair effect.
A repair method of an anti-leakage structure of a deformation joint is characterized by comprising the following steps: the method comprises the following steps:
s1, cleaning a basal plane: chiseling off the decorative layers on the upper surfaces of the two sides of the deformation joint, removing the original filling material, and forming concave repairing platforms on the upper surfaces of the two sides of the deformation joint; residual dust and sand sundries on the inner side surfaces of the repair platform and the deformation joint are removed, so that the inner side surfaces of the deformation joint and the repair platform are smooth and clean; in the step, water stopping grooves can be respectively chiseled on the repairing platforms at the two sides of the deformation joint;
s2, caulking by using an elastic filling material: filling joints in the gaps of the deformation joints by adopting elastic filling materials;
S3, filling the layer caulking by using the sealant: the elastic filling material in the step S2 is used as a lining material, the sealing paste is filled into the deformation joint and is smeared on the elastic filling material, and the deformation joint is sealed to form a sealing paste filling layer;
s4, brushing a flexible waterproof layer of waterproof paint: preparing waterproof paint, namely coating the waterproof paint on the surface of the repairing platform to form a bottom waterproof paint layer; a non-woven fabric layer or a glass fiber tire layer is paved above the bottom waterproof coating layer, and a sunken deformation compensation section is arranged corresponding to the deformation joint; then coating waterproof paint on the non-woven fabric layer or the glass fiber tire layer to form a waterproof paint flexible waterproof layer; wherein, it is possible to form a waterproof coating flexible waterproof layer with a plurality of layers of non-woven fabrics or glass fiber tyre layers by repeating the steps after coating the waterproof coating on the non-woven fabrics or glass fiber tyre layers; two side edges of the waterproof coating flexible waterproof layer are correspondingly pressed into the water stopping grooves;
S5, sticking a flexible waterproof layer of the waterproof coiled material: adhering the waterproof coiled material flexible waterproof layer on the waterproof coating flexible waterproof layer, and arranging a sunken deformation compensation section corresponding to the deformation joint; the two side edges of the flexible waterproof layer of the waterproof coiled material are correspondingly pressed into the waterproof grooves;
s6, compacting and sealing the waterproof layer: after the waterproof coating flexible waterproof layer and the waterproof coiled material flexible waterproof layer are pressed into the water stopping grooves, pressing strips are pressed into the corresponding water stopping grooves above the waterproof coiled material flexible waterproof layer and are fixed through steel nails; then sealing the side edges of the pressing strip, the steel nails and the waterproof flexible coating layer and the side edges of the waterproof flexible coating layer of the waterproof coiled material in the water stopping groove by using sealant or sealant;
s7, recovering the facing layer: and after the steps are finished, recovering the decorative layer.
In some embodiments, in step S1, water stopping grooves are respectively chiseled on the repairing platforms at two sides of the deformation joint; this step may be performed after step S2, after step S3, after the waterproof flexible layer of the waterproof coating material is formed in step S4, or after the waterproof flexible layer of the waterproof roll is attached in step S5.
The beneficial effects of the invention are as follows: the invention discloses a deformation anti-leakage structure, wherein an elastic filling material is arranged in a deformation joint, a sealing paste filling layer is sealed, the sealing paste has viscosity, elasticity and waterproofness, a gasket is formed by arranging the elastic filling material, and then the sealing paste filling layer is formed by sealing the sealing paste, so that the elastic sealing of a first layer is formed; covering a flexible waterproof material layer on the deformation joint, pressing two sides of the flexible waterproof material layer into the water stopping grooves, and fixing the flexible waterproof material layer with steel nails through pressing strips to form a second-level elastic seal; the flexible waterproof material layer is arranged, the flexible material has certain elasticity, and is not easy to tear when the deformation joint deforms, such as dislocation up and down, so that the sealing performance is kept good, and the deformation joint has certain deformation performance and good anti-leakage performance through multi-layer sealing; the anti-leakage performance is not easy to be damaged due to deformation, and the anti-leakage structure has long service time, so that the anti-leakage structure can be applied to the setting of the anti-leakage structure of the deformation joint in the initial construction process of a building; the method can also be applied to the existing building to repair the deformation joint with the leakage problem.
The method is used for carrying out anti-leakage repair on the deformation joint of the existing building, is easy to implement and construct, effectively solves the problem of leakage of the deformation joint, can ensure normal use functions of engineering under the condition of not damaging the original structure, and has no influence on the appearance of the original structure after repair.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of a deformation joint leakage-preventing structure according to an embodiment of the present application;
fig. 2 is an enlarged schematic view of the area a in fig. 1.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
The following describes a leak-proof structure for deformation joint and a repairing method thereof in detail with reference to fig. 1 and a plurality of embodiments;
The anti-leakage structure of the deformation joint as shown in fig. 1 comprises a deformation joint 1, an elastic filling material 3, a sealing paste filling layer 4, a flexible waterproof material layer 5, a pressing strip 7, steel nails 8 and a structural layer main body 2 positioned at the left side and the right side of the deformation joint; the elastic filling material 3 is filled in the deformation joint 1; the sealing paste filling layer 4 is smeared and covered on the elastic filling material 3, and the space of the deformation joint 1 above the elastic filling material 3 is sealed and filled; the flexible material layer 5 covers the upper end of the deformation joint 1; the structural layer main body 2 on the left side and the right side is provided with a water stop groove 6, two sides of the flexible filling material layer 5 are correspondingly pressed into the water stop groove 6 through pressing strips 7, and the pressing strips 7 are fixed with the structural layer main body 2 through steel nails 8.
According to the deformation anti-leakage structure in the technical scheme, the elastic filling material 3 is arranged in the deformation joint 1, the sealing paste filling layer 4 is sealed, the sealing paste has viscosity, elasticity and waterproofness, the elastic filling material 3 is arranged to form a gasket, and the sealing paste filling layer 4 is formed by sealing the sealing paste to form the elastic sealing of the first layer; covering a flexible waterproof material layer 5 on the deformation joint 1, pressing two sides of the flexible waterproof material layer 5 into a water stopping groove 6, and fixing the flexible waterproof material layer through a pressing strip 7 and a steel nail 8 to form a second-level elastic seal; the flexible material has certain elasticity, and is not easy to tear when the deformation joint 1 deforms, such as dislocation up and down, so that good sealing performance is maintained, and certain deformation compensation capability is realized; through the sealing of the two layers, the deformation joint has certain deformation performance and good anti-leakage performance; and the anti-leakage performance is not easy to be damaged due to deformation, and the anti-leakage structure has long service life.
In some embodiments, the flexible material layer 5 may be divided into a waterproof coating flexible waterproof layer 51 located at a lower layer and a waterproof roll flexible waterproof layer 52 located at an upper layer; a non-woven fabric layer (not shown) or a glass fiber tire layer (not shown) is arranged in the waterproof coating flexible waterproof layer 51. In some embodiments, only one waterproof layer (waterproof coating flexible waterproof layer 51 or waterproof coiled material flexible waterproof layer 52) may be provided, and in some embodiments, multiple layers (not limited to a double-layer structure) may be provided in combination; the waterproof flexible coating layer 51 positioned at the lower layer and the waterproof flexible coiled material layer 52 positioned at the upper layer are arranged to form a two-layer structure, and the two layers can be complemented with each other in waterproof sealing, so that the service life and the anti-leakage performance of the anti-leakage structure are prolonged. Of course, in some embodiments, the two layers may be reversed; but the upper layer is a waterproof flexible layer 52 of waterproof coiled material, so that the waterproof performance is better and the service life is longer.
In some embodiments, the flexible filling material layer 5 is provided with a deformation compensation section 53 corresponding to the deformation joint 1. The deformation compensation section 53 is that a flexible filling material layer 5 longer than the unit width is correspondingly arranged in the deformation joint 1 with the unit width; therefore, when the deformation joint 1 deforms and widens or is misplaced up and down, besides the elasticity of the material, the deformation joint 1 can be more compensated by the wider flexible filling material layer 5 reserved in advance, and the deformation joint 1 cannot be torn due to deformation; the adaptability to deformation of the deformation joint 1 is improved, and the service life is prolonged. During actual operation, the portion of the deformation compensating section 53 will be depressed downwardly under the influence of gravity as shown in fig. 1; if in some embodiments the sealant layer is thicker, or protrudes beyond the upper end of the deformation joint; the deformation compensating segment 53 does not form the natural sagging pattern shown in fig. 1 but is folded;
In some embodiments, a sealant 9 or a sealant 9 is coated on the water stop groove 6, and the sealant 9 or the sealant 9 seals the steel nails 8, the pressing strip 7 and the edges of the flexible material layer 5 in the water stop groove 6. The water stopping groove 6 has a water stopping effect, so that external water is not easy to diffuse into a gap below the flexible filling material 6 from the edge; but the waterproof structure can be further reinforced by arranging the sealing paste or the sealing glue 9, so that water cannot enter the water stopping groove 6, and the leakage is more thorough.
In certain embodiments, the elastic filler material 3 is a foam tape or foam. The elastic filling material 3 is only used as a lining material of the sealing paste filling layer 4, in some embodiments, other non-foam adhesive tapes or foaming adhesive materials can be used, but the foaming adhesive tapes can be used for foaming adhesive materials, and the elastic filling material can be directly sprayed on the inner side wall of the deformation joint through a spray tank, and can directly form a lining structure after being dried and hardened, so that the connection is tight and the use is more convenient; sealing performance can be improved, and construction time is saved.
In some embodiments, the sealant filling layer 4 is a sealant or sealant having adhesive, elastic, and waterproof sealing properties. The sealing paste filling layer is not limited to a certain type of sealing paste, and all sealing pastes or sealing pastes with viscosity, elasticity and sealing waterproof performance can be used.
In certain embodiments, the bead 7 is a metal bead 7 or a plastic bead 7. The bead 7 is not limited to a metal bead 7 or a plastic bead 7, and any material of the bead 7 may be used, but the metal bead 7 and the plastic bead 7 are more advantageous in terms of strength and service life, and in some embodiments, other materials may be used as the bead 7.
In some embodiments, the upper surface of the structural layer body 2 has a hardened structural screed (not shown) and the water stop groove 6 is provided on the structural screed or on the structural layer body concrete. The structural leveling layer refers to a sediment layer, a slurry layer or a ceramic tile adhesive layer which are paved in advance when the decorative layers such as ceramic tiles are installed; in the initial construction process of the building, when the deformation joint 1 is arranged, the deformation joint anti-leakage structure can be directly arranged after the structural layer main body 2 is arranged; then setting a structural leveling layer, and setting decorative surfaces such as ceramic tiles of the decorative layer above the structural leveling layer; however, in the existing building, when the problem of leakage of the deformation joint of the existing building is repaired, certain structural leveling layers are hard, smooth, hard and compact, and have strong anti-leakage performance, or the structure of the structural leveling layers is thick; it is also possible to provide the water stop grooves on the structural screed but it is noted that the steel nails must be nailed, preferably into the structural screed. In some embodiments, when repairing the existing structure, the structure leveling layer is loose, the structure leveling layer needs to be cleaned at the same time, and the water stopping groove 6 is arranged on the structure layer main body 2; thereby ensuring sealing performance and service life.
In some embodiments, when the deformation joint is arranged or the existing building is repaired, protrusions (not shown) protruding upwards can be arranged at the upper ends of the two sides of the deformation joint 1, so that water can be better prevented from flowing into the deformation joint 1 from the side when the water stopping groove 6 is out of action; the bulge can be formed by setting masonry or concrete in the building construction process; or when repairing the existing building, setting in the process of setting the repairing platform; the structural plane of the other parts of the multi-excavation can be reserved with the bulges, or concrete is added, and the bulges can also be formed.
The application also provides a repair method of the deformation joint anti-leakage structure, which is used for repairing the deformation joint leakage problem of the existing building, and has small damage to the original structure and good repair effect.
A repair method of an anti-leakage structure of a deformation joint comprises the following steps:
s1, cleaning a basal plane: chiseling off the decorative layers 10 on the upper surfaces of the two sides of the deformation joint, removing the original filling material, and forming concave repairing platforms on the upper surfaces of the two sides of the deformation joint 1; residual dust and sand sundries on the inner side surfaces of the repair platform and the deformation joint 1 are removed, so that the inner side surfaces of the deformation joint 1 and the repair platform are smooth and clean; in this step, it is possible to chisel the water stop grooves 6 on the repair platforms on both sides of the deformation joint, respectively;
S2, caulking by using an elastic filling material 3: filling gaps in the gaps of the deformation joints 1 by adopting an elastic filling material 3;
S3, caulking the sealing paste filling layer 4: filling the sealing paste into the deformation joint by using the elastic filling material 3 in the step S2 as a lining material, smearing the sealing paste on the elastic filling material 3, and sealing the deformation joint 1 to form a sealing paste filling layer 4;
S4, brushing a waterproof coating flexible waterproof layer 51: preparing waterproof paint, namely coating the waterproof paint on the surface of the repairing platform to form a bottom waterproof paint layer; a non-woven fabric layer (not shown) or a glass fiber tire layer (not shown) is laid above the bottom waterproof coating layer, and a sunken deformation compensation section 53 is arranged corresponding to the deformation joint 1; then coating waterproof paint on the non-woven fabric layer or the glass fiber tire layer to form a waterproof paint flexible waterproof layer 51; wherein, it is possible to form the waterproof coating flexible waterproof layer 51 having a plurality of layers of non-woven fabrics or glass fiber tire layers by repeating this step after coating the waterproof coating on the non-woven fabrics or glass fiber tire layers; the two side edges of the waterproof coating flexible waterproof layer 51 are correspondingly pressed into the water stopping grooves 6;
s5, sticking a waterproof coiled material flexible waterproof layer 52: adhering a waterproof coiled material flexible waterproof layer 52 on the waterproof coating flexible waterproof layer 51, and arranging a sunken deformation compensation section 53 corresponding to the deformation joint 1; the two side edges of the waterproof flexible layer 52 of the waterproof coiled material are correspondingly pressed into the waterproof grooves 6;
s6, compacting and sealing the waterproof layer 5: after the waterproof coating flexible waterproof layer 51 and the waterproof coiled material flexible waterproof layer 52 are pressed into the water stopping grooves 6, pressing the pressing strips 7 corresponding to the water stopping grooves 6 above the waterproof coiled material flexible waterproof layer 52 and fixing the pressing strips through steel nails 8; then sealing the pressing strip 7, the steel nails 8 and the side edges of the waterproof coating flexible waterproof layer 51 and the side edges of the waterproof coiled material flexible waterproof layer 52 in the water stopping groove 6 by using sealant 9 or sealant 9;
s7, recovering the facing layer: after the above steps are completed, the decorative layer 10 is restored.
In some embodiments, in step S1, water stopping grooves 6 are respectively chiseled on the repair platforms at both sides of the deformation joint 1; this step may be performed after step S2, after step S3, after the waterproof flexible coating layer 51 is formed in step S4, or after the waterproof flexible coating layer 52 is attached in step S5.
In particular to certain embodiments, there are the following points:
the cleaning base surface may be: chiseling off surface decoration layers 10 (ceramic tiles) with the width of more than or equal to 300mm on two sides of the deformation joint 1, sequentially cleaning the original filling materials in the deformation joint 1 from top to bottom, and scrubbing with a steel brush cleaning agent to remove residual sand and dust in the deformation joint 1.
The caulking of the foam (elastic filler material 3) may be: the gap of the deformation joint 1 is filled with foam rubber, the thickness of the foam rubber is generally d/2, and d refers to the thickness of the deformation joint; the foam gel is filled to be full and gapless, and is mainly used as a lining material of the sealant filling layer 4 in the next process.
In certain embodiments, the sealant is caulked: the following detailed process steps may be further included;
(1) Technological process
Cleaning the surface, pasting antifouling adhesive tape, preparing sealing paste, constructing the sealing paste and finishing the sealing paste
(2) Key point of construction
A) Cleaning the surface: firstly, carrying out surface treatment on a sealing interface of the deformation joint 1 by using a hand-held grinding wheel or a wire brush, and if necessary, cutting by using a cutting machine or polishing by using a polishing machine to expose a hard, firm and flat structural layer 2 and ensure the rule of joint surfaces; strictly carrying out surface cleaning treatment, and blowing out dust and residue in the seam by a blower, wherein the substrate is compact, firm, dry, moisture-free, oil-free, dust-free and loosening-free concrete residue and other impurities.
B) And (3) adhering an antifouling adhesive tape paper: and (3) sticking adhesive tape paper to non-sealing areas on two sides of the joint surface before gluing, and removing the pre-stuck adhesive tape paper after the joint of the sealing paste is completed.
C) Preparing a sealing paste: before the sealing paste is used, the sealing paste is inspected to be fine, smooth and bright, has no foreign matters or agglomerated skin, and can be firstly coated on a test section for inspection if necessary. The sealant needs to be fully mixed, and the two components are mixed until the colors are uniform. The mixed paste ensures that the expired paste is not used with the newly mixed paste within the required time, otherwise the sealing quality is seriously affected.
D) And (3) construction of sealing paste: when in construction, the temperature should be above 5 ℃, otherwise, the cohesiveness and the curing speed are affected, the gluing process should be carried out from one direction, the compactness of the glue layer is ensured, the thickness of the glue is more than or equal to 2cm, the phenomena of air bubbles and glue shortage are avoided, and the uneven surface of the glue body should be dipped with soap water before the surface is dried.
E) The finishing requirements of the sealing paste are as follows: the glue surface of the deformation joint 1 after glue application is free of cracks and bubbles, the surface is smooth and flat, glue application is full, glue leakage and degumming phenomena are avoided, and the glue color is uniform and consistent. The sealing paste is firmly bonded with the expansion joint, the bonding joint is neat and smooth, and after curing is completely hardened into an elastomer, the colloid hardness meets the design requirement. Care should be taken before the glue layer is completely hardened, and the glue layer must not be directly stepped on, driven by a car or other destructive actions. In order to perform the sealing effect water-blocking or pressure test, the sealing paste must be cured completely before the sealing paste is cured.
In some embodiments, the flexible waterproof layer 51 of the waterproof paint may comprise the following detailed process steps:
(1) Technological process
Cleaning a base surface, preparing waterproof coating, constructing the waterproof coating with the construction thickness not smaller than 1.2mm, and performing self-inspection on a waterproof coating layer
(2) Key point of construction
A) Cleaning a basal plane: the base surface needs no gaps such as hollowness, cracking, sanding, peeling and the like, and has no clear water and no dust.
B) And (3) preparing a coating: the single-component coating is not required to be prepared, the multi-component waterproof coating is required to be weighed according to the material proportion of manufacturers, stirred and mixed fully and uniformly, and the mixing amount is preferably equal to the construction amount so as to prevent the materials from being exposed for a long time and solidifying.
C) And (3) waterproof coating construction: the primer is uniformly coated on the base surface by using a roller, a scraping plate, a brush and other tools, and the construction is performed for multiple times. And (3) immediately laying non-woven fabrics or glass fiber tires and internally adding matrix reinforcing materials after the first coating, pressing the internally adding matrix reinforcing materials into the slurry by using a trowel, reserving a U-shaped deformation compensation section, preventing a waterproof layer from being pulled apart when the building is deformed, and coating a second coating after the first coating is dried. The interval time between two coating passes is determined by the construction environment and the curing degree of the coating, and the interval time between each coating pass at 20 ℃ is about 4 hours, so that the coating is generally mastered by achieving real drying. And after the previous coating is dried, coating for the third time until the design thickness requirement is reached.
D) Self-checking of waterproof coating: checking whether the coating film is uniformly coated, and the condition of missing coating and exposing bottom is not required, so as to avoid influencing the quality of a coating film layer and repair the found defects in time.
In some embodiments, the flexible waterproof layer 52 of the waterproof roll is adhered, and the following specific process steps may be adopted:
(1) Technological process
Base layer treatment, self-adhesive waterproof coiled material pasting, coiled material lap joint and coiled material head collecting, self-checking and repairing
(2) Key point of construction
A) And (3) base layer treatment: before the self-adhesive waterproof coiled material 52 is adhered, the base layer is checked and accepted, the surface is flat, clean and dry, if defects exist, the treatment is carried out, and the waterproof coiled material construction can be carried out after the qualified treatment.
B) Sticking coiled materials: firstly, determining the pasting sequence and direction of the self-adhesive waterproof coiled material 52, and snapping lines on a base layer, then pasting the coiled material, reserving a V-shaped deformation compensation section in the middle of a seam, wherein the V-shaped and U-shaped are not limited to specific shapes, and only refer to a sagging shape formed by the reserved deformation compensation section 53, and in some embodiments, the self-adhesive waterproof coiled material can also be folded; prevent the waterproof material from being pulled apart when the building is deformed. When the self-adhesive waterproof coiled material is adhered, firstly, the isolating paper is torn off, one surface with viscosity is adhered along the datum line, and then the isolating paper (film) is torn off, the surface of the coiled material is rolled and air is extruded, so that the initial adhesive strength is ensured.
C) Lap joint of coiled material and head of coiling material: the longitudinal and transverse lap joint of the coiled materials is smooth, the lap joint width is 100mm, the coiled materials are compacted by a roller, and the lap joint among the waterproof coiled materials is ensured to be firm. The coiled material receiving head is arranged at the water stopping groove 6.
D) And (3) self-checking and repairing: checking whether all coiled material surfaces are torn, pierced, broken, bubbling and fish mouth, and repairing and compacting the seal by using the coiled material with the length of 100mm larger than the edge of the broken part after cleaning the broken part during maintenance.
In some embodiments, the water stopping groove 6 may be provided by the following specific process steps:
And (3) constructing end heads at two sides of the deformation joint, cutting by using a cutting machine, and chiseling to form a water stop groove 6 with the width of about 50mm and the depth of about 20mm of the structural layer. In some embodiments, the values may be varied according to actual needs; sundries such as scum and dust in a chiseling groove are cleaned up, surface treatment is carried out by a portable grinding wheel or a steel wire brush, if necessary, the surface treatment is carried out by a grinding machine, a hard, firm and flat structural bottom layer is exposed, flatness is ensured, a water stop groove 6 is cleaned by acetone, after a base layer meets the requirement of workpiece strip application, a flexible waterproof layer 5 is embedded into the water stop groove 6, then a metal pressing strip 7 is fixed at two ends by steel nails 8, the waterproof layer 5 is tightly pressed, and the upper opening of the metal pressing strip 7 and the fixed steel nails 8 are sealed by sealant 9.
When the deformation joint leaks, the deformation joint is treated within the range of 300mm on two sides of the joint width based on the economic and construction progress angles, so that a repair platform is formed, the range is clear, the construction is flexible, the large-area construction is avoided, and the cost is increased. Suitable waterproof materials are selected according to local conditions. Through the effective node waterproof treatment, a sealing paste caulking is adopted, two or more flexible waterproof layers (a deformation compensation section 53 is reserved, a waterproof material is prevented from being pulled apart when the building is deformed), a water stopping groove 6 is arranged at the end head, the sealing glue 9 is pressed, and the sealing glue is closed, so that multiple fortification is realized. The caulking of the sealing paste filling layer 4 is the final waterproof guarantee, and has excellent bonding strength, large anti-forming capability and good aging resistance. The waterproof coating flexible waterproof layer 51 and the waterproof coiled material flexible waterproof layer 52 are selected, the two materials of the coating and the coiled material are compatible, and are combined together to form a flexible filling material layer 5 composite whole, so that the waterproof effect of the waterproof layer is greatly improved; the waterproof coating has larger elongation and strong following property on base cracks, can be suitable for various complex construction base surfaces, can be tightly combined with the base surfaces, and can not have the situation of 'one-point leakage and total leakage'; the coating is hard, has high bonding strength, can be constructed on a wet base layer, and has unique applicability to difficult drying of the base layer and construction in rainy seasons; the waterproof coiled material has long service life, high elongation and uniform thickness, has puncture resistance and self-healing property, is resistant to root penetration and chemical and microbial corrosion, and is an ideal I-level waterproof material. The two flexible materials have simple process, convenient maintenance, no toxicity and no smell, and meet the environmental protection requirement. The end is provided with a groove for locking a water source to prevent water channeling, the two ends are provided with steel nails 8 for fixing a metal pressing strip 7, a waterproof layer 5 is pressed tightly, the upper opening of the metal pressing strip 7 and the fixed steel nails 8 are sealed by sealant 9, and the metal pressing strip 7 is protected layer by layer, and the metal soup is fixed.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (10)
1. The utility model provides a movement joint antiseep structure which characterized in that: the waterproof structure comprises a deformation joint, elastic filling materials, a sealing paste filling layer, a flexible waterproof material layer, a pressing strip, steel nails and a structural layer main body positioned at the left side and the right side of the deformation joint; the elastic filling material is filled in the deformation joint; the sealing paste filling layer is coated on the elastic filling material, and the deformation joint space above the elastic filling material is sealed and filled; the flexible waterproof material layer covers the upper end of the deformation joint; the structure layer main body on the left side and the right side is provided with a water stopping groove, two sides of the flexible waterproof material layer are correspondingly pressed into the water stopping groove through pressing strips, and the pressing strips are fixed with the structure layer main body through steel nails.
2. A deformation joint leakage-preventing structure according to claim 1, wherein: the flexible material layer is divided into a waterproof coating flexible waterproof layer positioned on the lower layer and a waterproof coiled material flexible waterproof layer positioned on the upper layer; a non-woven fabric layer or a glass fiber tire layer is arranged in the waterproof coating flexible waterproof layer.
3. A deformation joint leakage preventing structure according to claim 1 or 2, wherein: the flexible filling material layer is provided with a deformation compensation section corresponding to the deformation joint.
4. A deformation joint leakage-preventing structure according to claim 1, wherein: and sealant or sealing paste is smeared above the water stop groove, and the edges of the steel nails, the pressing strips and the flexible material layer are sealed in the water stop groove by the sealant or the sealing paste.
5. A deformation joint leakage-preventing structure according to claim 1, wherein: the elastic filling material is foam adhesive tape or foaming adhesive.
6. A deformation joint leakage-preventing structure according to claim 1, wherein: the sealing paste filling layer is sealing paste or sealing glue with viscosity, elasticity and sealing waterproof performance.
7. A deformation joint leakage-preventing structure according to claim 1, wherein: the pressing strip is a metal pressing strip or a plastic pressing strip.
8. A deformation joint leakage-preventing structure according to claim 1, wherein: the upper surface of structural layer main part has the structure screed-coat, the stagnant water recess sets up on the structure screed-coat or sets up on structural layer main part concrete.
9. A repair method of an anti-leakage structure of a deformation joint is characterized by comprising the following steps: the method comprises the following steps:
S1, cleaning a basal plane: chiseling off the decorative layers on the upper surfaces of the two sides of the deformation joint, removing the original filling material, and forming concave repairing platforms on the upper surfaces of the two sides of the deformation joint; residual dust and sand sundries on the inner side surfaces of the repair platform and the deformation joint are removed, so that the inner side surfaces of the deformation joint and the repair platform are smooth and clean; in the step, water stopping grooves are respectively chiseled on the repairing platforms at the two sides of the deformation joint;
s2, caulking by using an elastic filling material: filling joints in the gaps of the deformation joints by adopting elastic filling materials;
S3, filling the layer caulking by using the sealant: the elastic filling material in the step S2 is used as a lining material, the sealing paste is filled into the deformation joint and is smeared on the elastic filling material, and the deformation joint is sealed to form a sealing paste filling layer;
s4, brushing a flexible waterproof layer of waterproof paint: preparing waterproof paint, namely coating the waterproof paint on the surface of the repairing platform to form a bottom waterproof paint layer; a non-woven fabric layer or a glass fiber tire layer is paved above the bottom waterproof coating layer, and a sunken deformation compensation section is arranged corresponding to the deformation joint; then coating waterproof paint on the non-woven fabric layer or the glass fiber tire layer to form a waterproof paint flexible waterproof layer; wherein, after the waterproof coating is smeared on the non-woven fabric layer or the glass fiber tire layer, the step is repeated to form a waterproof coating flexible waterproof layer with a plurality of layers of non-woven fabrics or glass fiber tire layers; two side edges of the waterproof coating flexible waterproof layer are correspondingly pressed into the water stopping grooves;
S5, sticking a flexible waterproof layer of the waterproof coiled material: adhering the waterproof coiled material flexible waterproof layer on the waterproof coating flexible waterproof layer, and arranging a sunken deformation compensation section corresponding to the deformation joint; the two side edges of the flexible waterproof layer of the waterproof coiled material are correspondingly pressed into the waterproof grooves;
s6, compacting and sealing the waterproof layer: after the waterproof coating flexible waterproof layer and the waterproof coiled material flexible waterproof layer are pressed into the water stopping grooves, pressing strips are pressed into the corresponding water stopping grooves above the waterproof coiled material flexible waterproof layer and are fixed through steel nails; then sealing the side edges of the pressing strip, the steel nails and the waterproof flexible coating layer and the side edges of the waterproof flexible coating layer of the waterproof coiled material in the water stopping groove by using sealant or sealant;
s7, recovering the facing layer: and after the steps are finished, recovering the decorative layer.
10. The repair method of the deformation joint leakage-preventing structure according to claim 9, wherein the repair method comprises the following steps: in the step S1, water stopping grooves are respectively chiseled on the repairing platforms at two sides of the deformation joint; this step is performed after step S2, or after step S3, or after the waterproof flexible layer of waterproof coating material is formed in step S4, or after the waterproof flexible layer of waterproof roll is attached in step S5.
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