CN113152922A - Novel device and method for repairing wallboard cracks through magnetic mortar - Google Patents
Novel device and method for repairing wallboard cracks through magnetic mortar Download PDFInfo
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- CN113152922A CN113152922A CN202110396201.8A CN202110396201A CN113152922A CN 113152922 A CN113152922 A CN 113152922A CN 202110396201 A CN202110396201 A CN 202110396201A CN 113152922 A CN113152922 A CN 113152922A
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- grouting
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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
Abstract
The invention provides novel equipment and a method for repairing wallboard cracks by using magnetic mortar, which can be used for repairing cracks appearing in floors and walls, particularly internal cracks, and have great advantages in repairing cracks with water leakage in toilets. The attractive force in the magnetic mortar can prevent the mortar from being scattered by water flow, the magnetic mortar is guided by the attractor, the filling accuracy is improved, the influence of gravity on gap filling in the horizontal direction is reduced, the mortar utilization rate is improved, materials are saved, and the compactness of the mortar at the gap is increased. Meanwhile, the deep small cracks are filled in a segmented mode through the grouting guide pipe, the filling degree of the cracks is improved, and the probability that the internal cracks expand again and water leakage occurs again in the later period is reduced.
Description
Technical Field
The invention relates to novel equipment and a method for repairing cracks of a wallboard by using magnetic mortar, and belongs to the technical field of repairing of cracks of wall surfaces and floor slab building structures.
Background
In the daily use of newly built houses and some old houses, for the buildings which mostly use concrete as wall boards and floor slab materials, the problems of cracks and water leakage after cracks are caused by the factors of insufficient thickness of the floor slab, poor proportioning of the concrete and over-high construction speed are common and frequent.
At present, the adopted crack repairing method is mostly to paint waterproof paint on the surface of a floor slab, paste a steel plate on the surface or pour resin adhesive into the crack by using a syringe. But the surface repair can not repair the inside of the crack, and can only prevent the water vapor and carbon dioxide substances from further damaging the internal concrete and steel bars; the cost of adding steel plates outside the concrete is high, the process is complicated and the attractiveness is poor; the method of pouring the adhesive is simpler and more convenient than the using method, but the situation of insufficient filling still exists, and meanwhile, the method is used for pouring the adhesive on the floor slab with the existing slag layer, such as: when floor slab is filled in the washroom, waste is generated to a certain extent. Therefore, a novel device and a method for repairing cracks of a wallboard by using magnetic mortar are necessary.
Disclosure of Invention
The invention provides novel equipment and a method for repairing wallboard cracks by using magnetic mortar, aiming at the problem of repairing the cracks of the floor and the wall at present. The attractive force in the magnetic mortar can prevent the mortar from being scattered by water flow, the magnetic mortar is guided by the attractor, the filling accuracy is improved, the influence of gravity on gap filling in the horizontal direction is reduced, the mortar utilization rate is improved, materials are saved, and the compactness of the mortar at the gap is increased. Meanwhile, the deep small cracks are filled in a segmented mode through the grouting guide pipe, the filling degree of the cracks is improved, and the probability that the internal cracks expand again and water leakage occurs again in the later period is reduced. The method has the advantages of low price of the adopted materials, easy acquisition, repeated use of the device, simple and convenient operation in construction, and wide engineering practice significance and application prospect.
In order to achieve the technical features, the invention is realized as follows: a novel device for repairing wallboard cracks by magnetic mortar comprises an ultrasonic detector for detecting specific positions, trends and length and width data of cracks in a floor slab;
the grouting device is communicated with a grouting hole processed at the position of the crack through a grout outlet pipe;
the magnetic mortar repair structure comprises attractors for guiding magnetic mortar injected into the crack, wherein the attractors are arranged in the crack extension direction according to the crack trend and are positioned on one side or two sides of the repair structure, and a plurality of attractors with different areas, shapes or magnetic sizes can be used for comprehensive arrangement according to actual conditions.
The cracks are mostly positioned in the plane of the floor slab or the wall surface structure, or in the position with poor integrity due to pipeline laying, and at the corners of the structure plane junction, and the use of the building is influenced when the cracks are obviously cracked or water leakage occurs in the water inlet pipe or the water discharge pipe and seeps out from the cracks, wherein the floor slab positioned in the toilet consists of a slag layer and concrete layers on two sides of the slag layer.
When a plurality of cracks exist, the cracks are communicated into a whole through a certain number of drill holes, the radius of the drill holes is smaller than 2cm, and specific data are determined according to the particle size of magnetic mortar used for repairing and the specific condition of the cracks.
The magnetic mortar is prepared by adding iron powder and epoxy resin materials into mortar according to a certain proportion, the specific proportion is determined according to actual conditions, but the basic properties of the magnetic mortar are ensured.
The magnetic mortar can be attracted by an attractor, the attractor is made of a magnet with certain magnetism, the magnetism of the attractor is determined according to the thickness of a floor slab and the depth of a crack, the magnet adopts a permanent magnet or an electromagnet according to the actual situation, the electromagnetism and the magnetism can be controlled through the number of turns of a coil, the current or the area of the magnet, and the shape of the magnet can be selected from a cylinder, an L shape or a cube according to the position of the crack;
the attractors are arranged in the crack extending direction and positioned on one side or two sides of the repairing structure according to the crack trend, and meanwhile, a plurality of attractors with different areas, shapes or magnetic sizes can be used for comprehensive arrangement according to actual conditions;
the crack end has been arranged and has been stored up thick liquid ware, and its lower part is the rectangle or has the nonmagnetic board of regular round hole, and nonmagnetic board upper portion is fixed with the cylindrical thick liquid pipe groove that stores up the same with the round hole diameter, stores up thick liquid pipe groove nonmagnetic board one side and is provided with the check door that can make the magnetism mortar get into, stores up thick liquid pipe groove top simultaneously and has the cylindrical adjustable resistance that covers the scope that stores up thick liquid pipe groove and locate completely.
The grouting holes are drilled on the upper side or the lower side of the floor slab according to actual conditions and used for grouting by a grouting device, the diameter of each grouting hole is determined according to the grouting amount calculated by crack data and the required grouting speed, and the hole depth is determined by the specific position of a crack;
the grouting device is a grouting device which can be filled with magnetic mortar inside and can extrude the magnetic mortar out through the mortar outlet pipe to perform grouting repair on cracks;
the diameter of the grout outlet pipe is determined according to the diameter of the grouting hole, and when a larger gap exists after the grout outlet pipe is placed in the grouting hole, the gap is filled by using a rubber gasket;
the grout outlet pipe can be externally connected with a grouting guide pipe and used for filling in stages when the cracks are deep and the deep cracks are difficult to fill completely through one-time grouting.
The grouting guide pipe is characterized in that one side of the grouting guide pipe is provided with a rubber joint which can be seamless and is tightly sleeved on the outer side of the grout outlet pipe, the grouting guide pipe which is made of a sizing hose subjected to anti-rust treatment is connected through the rubber joint, the diameter of the grouting guide pipe can be determined according to the width of a crack, the length of the grouting guide pipe is determined according to the length of the crack, meanwhile, when the grouting guide pipe is long, flexible magnets or magnet particles can be placed in the grouting guide pipe, and when the flexible magnets are placed in the grouting guide pipe, the flexible magnets are drawn out after grouting is finished, and the grouting is carried out again to fill the interior of the grouting guide pipe.
When the grouting hole is positioned at the lower side of the floor slab, an anti-dropping plate is arranged at the grouting hole after the grouting of the grout outlet pipe is finished or an accelerator is added into the magnetic mortar at the later stage of grouting, wherein the anti-dropping plate is a nonmetal plate with a separable rubber plug at the upper part and high hardness, the diameter of the rubber plug is determined according to the diameter of the grouting hole, the nonmetal plate can be placed into the grouting hole and does not drop, and a contact part of the nonmetal plate and the structure is coated with a release agent in advance;
the crack is positioned at the position where the pipeline is arranged on the wall, when the pipeline is broken and leaks water, the sleeve is arranged in the water pipe after the valve is closed to drain water, and when the height of the sleeve is higher than the bottom surface to the broken position of the water pipe, waterproof mortar is injected into the sleeve to repair the water pipe; and meanwhile, repairing cracks at the wall.
The sleeve is a pipeline with a larger radius, a pipeline with a smaller radius is arranged in the pipeline with the larger radius, the radius difference value of the pipeline is larger than 2mm, the upper part of the sleeve is closed, the lower part of the sleeve is provided with a grouting hole and a grout outlet, and meanwhile, the sleeve is made of water-soluble and flexible water-soluble high polymer;
the waterproof mortar is cement mortar containing a waterproof agent inside or finished cationic neoprene waterproof and anticorrosive material, wherein the cement mortar is prepared from the following raw materials in parts by weight: sand: water: the water repellent =1:2.569:3.28: 0.05.
The method for repairing the cracks by adopting the novel device for repairing the cracks of the wallboard by using the magnetic mortar comprises the following steps:
step1.1: preparing materials: preparing materials and equipment required by crack filling, wherein the materials and equipment comprise an ultrasonic detector, raw materials required by magnetic mortar, drilling equipment, an attractor, a mortar storage device, a grouting device, a rubber gasket and a grouting guide pipe;
step1.2: and (3) crack detection: inspecting the crack through an ultrasonic detector, and determining the trend, width and length parameters of the crack;
step1.3: preparing in the early stage of grouting: determining the position, depth and diameter of a grouting hole according to actual conditions, drilling holes, communicating the grouting hole into a whole through the drilling holes when a plurality of cracks exist, cleaning the cracks by using a small industrial dust collector after the drilling is finished, plugging the surfaces of the cracks by adopting a traditional method when the cracks are wholly positioned outside a wall body or the communication area with the outside is too large, then determining an arrangement method of attractors according to the positions of the cracks and the grouting holes, arranging a local surface layer when the thickness of a floor slab is large and the magnetism cannot meet the requirement of attracting magnetic mortar, arranging a grout storage device at the tail end of the crack, directly arranging and fixing the tail end of the crack when the tail end of the crack is communicated with the outside, and selectively drilling holes and aligning the grout storage device to the drilling holes for fixing when the tail end of the crack is positioned inside the structure;
step1.4: preparing magnetic mortar: adding iron powder and epoxy resin materials into the mortar according to a certain proportion to prepare magnetic mortar, and testing the performance of the magnetic mortar to ensure that the magnetic mortar is normally used in a filling stage;
step1.5: grouting: the magnetic mortar is placed into a grouting device, when the crack is deep and the deep crack is difficult to completely fill by one-time grouting, a grouting guide pipe is placed first, after the grouting, a flexible magnet is drawn out to carry out secondary grouting on the interior of the grouting pipe, and when a large gap exists after the grout outlet pipe is placed, a rubber gasket is used for filling the gap and then grouting is carried out; repairing the crack by magnetic mortar under the attraction of a magnet, enabling redundant magnetic mortar to enter a mortar storage pipe groove of a mortar storage device from the end part of the crack, and grouting by a grouting method when the tail end of the crack is too narrow;
step1.6: and (3) drilling hole repairing: selectively adding an accelerating agent into the magnetic mortar or arranging an anti-dropping plate in the later stage of grouting, repairing each drill hole after the strength of the mortar is reached if the accelerating agent is added, and taking away the non-metal plate and repairing each drill hole after the strength of the magnetic mortar reaches a certain strength if the anti-dropping plate is arranged; meanwhile, spraying waterproof paint according to actual conditions, and finally recovering the original appearance of the floor slab;
step1.7: and (3) monitoring at a later stage: when the repairing position is a water leakage position of the toilet, detecting the repairing effect within a certain time period to ensure that no water leakage occurs again;
when the water pipe repair is involved, the method is characterized by comprising the following steps:
step2.1: preparing materials: preparing materials and equipment required for filling cracks, wherein the materials and equipment comprise an ultrasonic detector, raw materials required by magnetic mortar, raw materials required by waterproof mortar, drilling equipment, a sleeve, an attractor, a slurry storage device, a slurry injector, a rubber gasket and a slurry injection guide pipe;
step2.2: checking the water leakage position, determining the positions of water leakage points and wall gaps, and removing a small part of wall to remove a part of pipeline at the water pipe interface;
step2.3: the sleeve with the diameter close to that of the pipeline is placed into the water pipe through the connector, waterproof mortar is injected into the interlayer part of the sleeve through the sleeve grouting hole, the grouting hole and the slurry outlet hole are closed on one side close to the main part of the sleeve after the grouting is finished, and the pipeline is repaired so that water can pass through the pipeline formed by the waterproof mortar;
step2.4: after the waterproof mortar reaches a certain strength, water is introduced to dissolve the sleeve, and the condition that the pipeline does not leak water again is confirmed;
step2.5: repairing the wall crack by the steps of claims Step 1.1-Step 1.7.
The invention has the following beneficial effects:
1. according to the invention, the magnetic mortar is adopted to fill the cracks in the floor slab and the wall structure, and the attractor is used to guide the flow of the magnetic mortar, so that the filling accuracy is increased, the mortar utilization rate is improved, the material is saved, the compactness of the mortar at the cracks is increased, and the possibility of secondary cracking at the later stage is obviously reduced;
2. the cohesive force in the magnetic mortar used by the invention can prevent the mortar from being dispersed by water flow, thereby improving the engineering efficiency when repairing the crack with water leakage, ensuring that the integral property of the magnetic mortar is not influenced, ensuring the effect of repairing the crack and improving the durability of the repaired structure;
3. according to the invention, the grouting guide pipe is used for filling the deep small cracks in a segmented manner, so that the filling degree of the cracks is improved, and the possibility of re-expansion or water leakage of the internal cracks in the later stage is reduced;
4. according to the invention, the magnetic mortar at the tail end of the crack can be guided through the mortar storage device, so that redundant water vapor entering the magnetic mortar at the initial stage of grouting is removed, the sufficient degree of crack filling is further improved, and meanwhile, the redundant magnetic mortar is stored, so that the overflow of the magnetic mortar is prevented, and the material is saved;
5. the magnetism of the attractor and the magnet in the pulp storage device can be controlled, the magnetism can be determined according to actual conditions, the application range of the device is improved, and a targeted arrangement method can be provided for structures with different thicknesses.
Drawings
The invention is further illustrated by the following figures and examples.
FIG. 1 is a general schematic view of a novel apparatus and method for repairing cracks in wallboard by using magnetic mortar according to the present invention.
FIG. 2 is a schematic view of a slurry storage tank according to the present invention.
Fig. 3 is a schematic view of the grouting device according to the invention.
FIG. 4 is a schematic view of an external grouting guide pipe of a grout outlet pipe according to the present invention.
In the figure: the device comprises a crack 1, a slag charge layer 3, a concrete layer 4, magnetic mortar 7, an attractor 8, a grouting hole 9, a mortar storage device 10, a mortar storage pipe groove 11, a one-way door 12, an adjustable resistor 13, a grouting device 14, a mortar outlet pipe 15, a grouting device 16, a rubber gasket 17 and a grouting guide pipe 18.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-4, a novel device for repairing cracks of a wallboard by using magnetic mortar comprises an ultrasonic detector for detecting specific position, direction and length and width data of a crack 1 in a floor slab; the grouting device 14 is used for grouting the interior of the crack 1, and the grouting device 14 is communicated with a grouting hole 9 machined in the position of the crack 1 through a grout outlet pipe 15; the crack repairing structure comprises an attractor 8 used for guiding magnetic mortar 7 injected into the crack 1, wherein the attractor 8 is arranged in the crack extending direction according to the trend of the crack 1 and is positioned on one side or two sides of the repairing structure, and a plurality of attractors 8 with different areas, shapes or magnetic sizes can be used for comprehensive arrangement according to actual conditions. According to the invention, the magnetic mortar is adopted to fill the cracks in the floor slab and the wall structure, and the attractor is used to guide the flow of the magnetic mortar, so that the filling accuracy is increased, the mortar utilization rate is improved, the material is saved, the compactness of the mortar at the cracks is increased, and the possibility of secondary cracking at the later stage is obviously reduced.
Furthermore, the cracks 1 are located in the plane of the floor or wall structure, or in the positions with poor integrity due to pipeline laying, and at the corners of the structure plane junction, and influence the use of the building when obvious cracks occur or water leakage occurs in the water inlet pipe or the water discharge pipe and seeps out from the cracks, wherein the floor located in the toilet is composed of a slag layer 3 and concrete layers 4 on two sides of the slag layer.
Further, when a plurality of cracks 1 exist, the cracks 1 are communicated into a whole through a certain number of drill holes 6, the radius of the drill holes 6 is smaller than 2cm, and specific data are determined by the particle size of the magnetic mortar 7 used for repairing and the specific conditions of the cracks 1.
Furthermore, the magnetic mortar 7 is prepared by adding iron powder and epoxy resin materials into the mortar according to a certain proportion, the specific proportion is determined according to actual conditions, but the basic properties of the magnetic mortar 7 are ensured.
Further, the magnetic mortar 7 can be attracted by an attractor 8, the attractor 8 is made of a magnet with certain magnetism, the magnetism of the magnet is determined according to the thickness of the floor slab and the depth of the crack 1, the magnet adopts a permanent magnet or an electromagnet according to actual conditions, the electromagnetism and the ferromagnetism can be controlled through the number of turns of a coil, the current or the area of the magnet, and the shape of the magnet can be selected from a cylinder, an L shape or a cube according to the position of the crack 1. The method is characterized in that an ultrasonic detector is adopted to detect the cracks needing to be repaired, the positions, the widths and the length data of the cracks are determined, and when the cracks are multiple and the distance between every two cracks is small, the cracks can be communicated into a whole through drilling holes, so that the grouting efficiency is improved, and the number of grouting holes is reduced.
Furthermore, the attractors 8 are arranged in the crack extending direction and on one side or two sides of the repair structure according to the trend of the crack 1, and meanwhile, a plurality of attractors 8 with different areas, shapes or magnetic sizes can be comprehensively arranged according to actual conditions. When the crack is large in communication area with the outside, grouting can be performed after primary sealing, so that magnetic mortar is prevented from seeping out during grouting, and meanwhile, the magnetic mortar is prevented from flowing out when the crack is located outside a vertical surface of the structure.
Furthermore, the position and the diameter of a grouting hole are determined according to the obtained data and the thickness of the repaired structure, and drilling is carried out, wherein the grouting hole is selected to be at a position with a larger crack or a position with obvious water leakage.
Further, the tail end of the crack 1 is provided with a slurry storage device 10, the lower portion of the slurry storage device is a rectangular or nonmagnetic plate with regular round holes, the upper portion of the nonmagnetic plate is fixed with a cylindrical slurry storage pipe groove 11 with the same diameter as the round holes, one side of the nonmagnetic plate of the slurry storage pipe groove 11 is provided with a one-way door 12 capable of enabling magnetic mortar 7 to enter, and the top of the slurry storage pipe groove 11 is provided with a cylindrical adjustable resistor 13 which completely covers the range where the slurry storage pipe groove is located. Attractors which are made of magnets and are different in size are arranged along the direction of the crack, the magnetic size of the attractors can be controlled by the size of the magnets, the voltage of the electromagnets or the number of turns of the coils, and the magnetic mortar can be influenced by the attraction of the magnets during grouting.
Further, the grouting holes 9 are drilled on the upper side or the lower side of the floor slab according to actual conditions and used for grouting by a grouting device 14, the diameter of each grouting hole is determined according to the grouting amount calculated by crack data and the required grouting speed, and the hole depth is determined by the specific position of a crack;
furthermore, the grouting device 14 is a grouting device 16 capable of filling magnetic mortar 7 therein, and is capable of pressing out the magnetic mortar 7 through a mortar outlet pipe 15 to perform grouting repair on the crack 1;
further, the diameter of the grout outlet pipe 15 is determined according to the diameter of the grouting hole 9, and when a large gap exists after the grout outlet pipe 15 is placed in the grouting hole, the gap is filled with a rubber gasket 17;
furthermore, the grout outlet pipe 15 can be externally connected with a grouting guide pipe 18 for performing staged filling when the crack 1 is deep and the deep crack 1 is difficult to be completely filled by one-time grouting.
Furthermore, a rubber joint which can be seamless and is tightly sleeved outside the grout outlet pipe 15 is arranged on one side of the grouting guide pipe 18, the grouting guide pipe 18 which is made of a sizing hose subjected to rust prevention treatment is connected through the rubber joint, the diameter of the grouting guide pipe can be determined according to the width of a crack, the length of the grouting guide pipe can be determined according to the length of the crack, flexible magnets or magnet particles can be placed into the grouting guide pipe 18 when the grouting guide pipe is long, and the flexible magnets are drawn out after grouting is finished to fill the interior of the grouting guide pipe again when the flexible magnets are placed.
Further, when the grouting hole 9 is located at the lower side of the floor slab, after grouting is finished through the grout outlet pipe 15, an anti-falling plate floor slab is arranged at the grouting hole 9 or an accelerator is added into the magnetic mortar 7 at the later stage of grouting, wherein the anti-falling plate floor slab is a nonmetal plate with a separable rubber plug at the upper part and high hardness, the diameter of the rubber plug is determined according to the diameter of the grouting hole 9 and can be placed into the grouting hole 9 without falling off, and a contact part of the nonmetal plate and the structure is coated with a release agent in advance;
furthermore, the crack 1 is positioned at a position where a pipeline is arranged on the wall, when the pipeline is broken and leaks water, a sleeve is arranged in the water pipe after the valve is closed to drain water, and when the height of the sleeve is higher than the bottom surface to the broken position of the water pipe, waterproof mortar is injected into the sleeve to repair the water pipe; meanwhile, the crack 1 at the wall is repaired. The magnetic mortar is poured into the grouting device and grouting is carried out, the radius of the grout outlet hole ensures that the grout outlet hole can be placed in the grouting hole and does not have a large gap, and meanwhile, a rubber gasket with the thickness capable of being determined according to actual conditions is arranged outside the grout outlet hole to ensure that the magnetic mortar does not flow out in the grouting process.
Furthermore, when the crack is deep and the deep crack is difficult to be completely filled by one-time grouting, the grouting guide pipe is firstly placed and then connected with the grout outlet pipe for filling in stages, and the grouting hole part is completely filled by the grouting device after the sectional filling is finished, so that the filling integrity of the crack is improved.
Furthermore, the sleeve is a pipeline with a larger radius, a pipeline with a smaller radius is arranged in the pipeline with the larger radius, the radius difference value of the pipeline is larger than 2mm, the upper part of the sleeve is closed, the lower part of the sleeve is provided with a grouting hole and a grout outlet, and meanwhile, the sleeve is made of water-soluble and flexible water-soluble high polymer;
further, the waterproof mortar is cement mortar containing a waterproof agent inside or a finished cation neoprene waterproof and anticorrosive material, wherein the cement mortar is prepared from the following components in parts by weight: sand: water: the water repellent =1:2.569:3.28: 0.05.
Example 2:
the method for repairing the cracks by adopting the novel device for repairing the cracks of the wallboard by using the magnetic mortar comprises the following steps:
step1.1: preparing materials: preparing materials and equipment required by crack filling, wherein the materials and equipment comprise an ultrasonic detector, raw materials required by magnetic mortar, drilling equipment, an attractor, a mortar storage device, a grouting device, a rubber gasket and a grouting guide pipe;
step1.2: and (3) crack detection: inspecting the crack through an ultrasonic detector, and determining the trend, width and length parameters of the crack;
step1.3: preparing in the early stage of grouting: determining the position, depth and diameter of a grouting hole according to actual conditions, drilling holes, communicating the grouting hole into a whole through the drilling holes when a plurality of cracks exist, cleaning the cracks by using a small industrial dust collector after the drilling is finished, plugging the surfaces of the cracks by adopting a traditional method when the cracks are wholly positioned outside a wall body or the communication area with the outside is too large, then determining an arrangement method of attractors according to the positions of the cracks and the grouting holes, arranging a local surface layer when the thickness of a floor slab is large and the magnetism cannot meet the requirement of attracting magnetic mortar, arranging a grout storage device at the tail end of the crack, directly arranging and fixing the tail end of the crack when the tail end of the crack is communicated with the outside, and selectively drilling holes and aligning the grout storage device to the drilling holes for fixing when the tail end of the crack is positioned inside the structure;
step1.4: preparing magnetic mortar: adding iron powder and epoxy resin materials into the mortar according to a certain proportion to prepare magnetic mortar, and testing the performance of the magnetic mortar to ensure that the magnetic mortar is normally used in a filling stage;
step1.5: grouting: the magnetic mortar is placed into a grouting device, when the crack is deep and the deep crack is difficult to completely fill by one-time grouting, a grouting guide pipe is placed first, after the grouting, a flexible magnet is drawn out to carry out secondary grouting on the interior of the grouting pipe, and when a large gap exists after the grout outlet pipe is placed, a rubber gasket is used for filling the gap and then grouting is carried out; repairing the crack by magnetic mortar under the attraction of a magnet, enabling redundant magnetic mortar to enter a mortar storage pipe groove of a mortar storage device from the end part of the crack, and grouting by a grouting method when the tail end of the crack is too narrow;
step1.6: and (3) drilling hole repairing: selectively adding an accelerating agent into the magnetic mortar or arranging an anti-dropping plate in the later stage of grouting, repairing each drill hole after the strength of the mortar is reached if the accelerating agent is added, and taking away the non-metal plate and repairing each drill hole after the strength of the magnetic mortar reaches a certain strength if the anti-dropping plate is arranged; meanwhile, spraying waterproof paint according to actual conditions, and finally recovering the original appearance of the floor slab;
step1.7: and (3) monitoring at a later stage: when the repairing position is a water leakage position of the toilet, detecting the repairing effect within a certain time period to ensure that no water leakage occurs again;
when the water pipe repair is involved, the method is characterized by comprising the following steps:
step2.1: preparing materials: preparing materials and equipment required for filling cracks, wherein the materials and equipment comprise an ultrasonic detector, raw materials required by magnetic mortar, raw materials required by waterproof mortar, drilling equipment, a sleeve, an attractor, a slurry storage device, a slurry injector, a rubber gasket and a slurry injection guide pipe;
step2.2: checking the water leakage position, determining the positions of water leakage points and wall gaps, and removing a small part of wall to remove a part of pipeline at the water pipe interface;
step2.3: the sleeve with the diameter close to that of the pipeline is placed into the water pipe through the connector, waterproof mortar is injected into the interlayer part of the sleeve through the sleeve grouting hole, the grouting hole and the slurry outlet hole are closed on one side close to the main part of the sleeve after the grouting is finished, and the pipeline is repaired so that water can pass through the pipeline formed by the waterproof mortar;
step2.4: after the waterproof mortar reaches a certain strength, water is introduced to dissolve the sleeve, and the condition that the pipeline does not leak water again is confirmed;
step2.5: repairing the wall crack by the steps of claims Step 1.1-Step 1.7.
Claims (10)
1. The utility model provides a novel equipment of wallboard crack is repaired to magnetism mortar which characterized in that: the device comprises an ultrasonic detector for detecting specific position, direction and length and width data of a crack (1) in the floor slab;
the grouting device comprises a grouting device (14) used for grouting the interior of the crack (1), wherein the grouting device (14) is communicated with a grouting hole (9) processed at the position of the crack (1) through a grout outlet pipe (15);
the crack repairing structure comprises an attractor (8) used for guiding magnetic mortar (7) injected into the crack (1), wherein the attractor (8) is arranged in the crack extending direction according to the trend of the crack (1) and is positioned on one side or two sides of the repairing structure, and a plurality of attractors (8) with different areas, shapes or magnetic sizes can be comprehensively arranged according to actual conditions.
2. The novel magnetic mortar equipment for repairing wallboard cracks of claim 1, wherein: the cracks (1) are located in the plane of the floor or wall surface structure or at the positions with poor integrity due to pipeline laying and at the corners of the structure plane junction, and the use of the building is affected when the cracks are obviously cracked or water leakage occurs in a water inlet pipe or a water drainage pipe and seeps out from the cracks, wherein the floor located in the toilet consists of a slag layer (3) and concrete layers (4) on two sides of the slag layer.
3. The novel magnetic mortar equipment for repairing wallboard cracks of claim 1, wherein: when a plurality of cracks (1) exist, the cracks (1) are communicated into a whole through a certain number of drill holes (6), the radius of the drill holes (6) is smaller than 2cm, and specific data are determined by the particle size of magnetic mortar (7) used for repairing and the specific condition of the cracks (1).
4. The novel magnetic mortar equipment for repairing wallboard cracks of claim 3, wherein: the magnetic mortar (7) is prepared by adding iron powder and epoxy resin materials into mortar according to a certain proportion, the specific proportion is determined according to actual conditions, but the basic properties of the magnetic mortar (7) are ensured.
5. The novel magnetic mortar equipment for repairing wallboard cracks of claim 1, wherein: the magnetic mortar (7) can be attracted by an attractor (8), the attractor (8) is made of a magnet with certain magnetism, the magnetism of the attractor is determined according to the thickness of a floor slab and the depth of a crack (1), the magnet adopts a permanent magnet or an electromagnet according to actual conditions, the electromagnetism and the ferromagnetism can be controlled through the number of turns of a coil, the current or the area of the magnet, and the shape of the magnet can be selected from a cylinder, an L shape or a cube according to the position of the crack (1);
the attractors (8) are arranged in the crack extending direction and at one side or two sides of the repairing structure according to the trend of the crack (1), and meanwhile, a plurality of attractors (8) with different areas, shapes or magnetic sizes can be comprehensively arranged according to actual conditions;
the utility model discloses a mortar storage device, including crack (1) end, its lower part is the non-magnetism board of rectangle or regular round hole, and non-magnetism board upper portion is fixed with cylindrical mortar storage tube groove (11) the same with the round hole diameter, and mortar storage tube groove (11) non-magnetism board one side is provided with one-way door (12) that can make magnetism mortar (7) get into, and it has cylindrical adjustable resistance (13) that cover the scope of mortar storage tube groove department completely to store up mortar tube groove (11) top simultaneously.
6. The novel magnetic mortar equipment for repairing wallboard cracks of claim 1, wherein: the grouting holes (9) are drilled on the upper side or the lower side of the floor slab according to actual conditions and are used for grouting by a grouting device (14), the diameter of each grouting hole is determined according to the grouting amount calculated by crack data and the required grouting speed, and the hole depth is determined by the specific position of a crack;
the grouting device (14) is a grouting device (16) capable of filling magnetic mortar (7) inside and capable of extruding the magnetic mortar (7) through a mortar outlet pipe (15) to perform grouting repair on the crack (1);
the diameter of the grout outlet pipe (15) is determined according to the diameter of the grouting hole (9), and when a large gap exists after the grout outlet pipe (15) is placed in the grouting hole, the gap is filled by using a rubber gasket (17);
the grout outlet pipe (15) can be externally connected with a grouting guide pipe (18) and used for performing staged filling when the crack (1) is deep and the deep crack (1) is difficult to be completely filled by one-time grouting.
7. The novel magnetic mortar equipment for repairing wallboard cracks of claim 6, wherein: the grouting pipe is characterized in that a rubber joint which can be seamless and is tightly sleeved on the outer side of the grout outlet pipe (15) is arranged on one side of the grouting pipe (18), the grouting pipe (18) which is made of a shaping hose subjected to rust prevention treatment is connected through the rubber joint, the diameter of the grouting pipe can be determined according to the width of a crack, the length of the grouting pipe can be determined according to the length of the crack, flexible magnets or magnet particles can be placed into the grouting pipe (18) when the grouting pipe is long, and the flexible magnets are drawn out after grouting is finished to fill the grouting pipe.
8. The novel magnetic mortar equipment for repairing wallboard cracks of claim 1, wherein: when the grouting holes (9) are positioned at the lower side of the floor slab, after grouting of the grout outlet pipe (15) is finished, an anti-dropping plate is arranged at the grouting holes (9) or an accelerator is added into the magnetic mortar (7) at the later stage of grouting, wherein the anti-dropping plate is a nonmetal plate with a separable rubber plug at the upper part and high hardness, the diameter of the rubber plug is determined according to the diameter of the grouting holes (9), the nonmetal plate can be placed into the grouting holes (9) and does not drop off, and a release agent is coated on the contact part of the nonmetal plate and the structure in advance;
the crack (1) is positioned at a pipeline position on the wall, when the pipeline is broken and leaks water, a sleeve is arranged in the water pipe after the valve is closed to drain water, and when the height of the sleeve is higher than the bottom surface to the broken position of the water pipe, waterproof mortar is injected into the sleeve to repair the water pipe; and simultaneously repairing the crack (1) at the wall.
9. The novel magnetic mortar equipment for repairing wallboard cracks of claim 8, wherein: the sleeve is a pipeline with a larger radius, a pipeline with a smaller radius is arranged in the pipeline with the larger radius, the radius difference value of the pipeline is larger than 2mm, the upper part of the sleeve is closed, the lower part of the sleeve is provided with a grouting hole and a grout outlet, and meanwhile, the sleeve is made of water-soluble and flexible water-soluble high polymer;
the waterproof mortar is cement mortar containing a waterproof agent inside or finished cationic neoprene waterproof and anticorrosive material, wherein the cement mortar is prepared from the following raw materials in parts by weight: sand: water: the water repellent =1:2.569:3.28: 0.05.
10. The method for repairing the cracks of the wallboard by using the novel magnetic mortar equipment for repairing the cracks of the wallboard, which is disclosed by any one of claims 1 to 8, is characterized by comprising the following steps of:
step1.1: preparing materials: preparing materials and equipment required by crack filling, wherein the materials and equipment comprise an ultrasonic detector, raw materials required by magnetic mortar, drilling equipment, an attractor, a mortar storage device, a grouting device, a rubber gasket and a grouting guide pipe;
step1.2: and (3) crack detection: inspecting the crack through an ultrasonic detector, and determining the trend, width and length parameters of the crack;
step1.3: preparing in the early stage of grouting: determining the position, depth and diameter of a grouting hole according to actual conditions, drilling holes, communicating the grouting hole into a whole through the drilling holes when a plurality of cracks exist, cleaning the cracks by using a small industrial dust collector after the drilling is finished, plugging the surfaces of the cracks by adopting a traditional method when the cracks are wholly positioned outside a wall body or the communication area with the outside is too large, then determining an arrangement method of attractors according to the positions of the cracks and the grouting holes, arranging a local surface layer when the thickness of a floor slab is large and the magnetism cannot meet the requirement of attracting magnetic mortar, arranging a grout storage device at the tail end of the crack, directly arranging and fixing the tail end of the crack when the tail end of the crack is communicated with the outside, and selectively drilling holes and aligning the grout storage device to the drilling holes for fixing when the tail end of the crack is positioned inside the structure;
step1.4: preparing magnetic mortar: adding iron powder and epoxy resin materials into the mortar according to a certain proportion to prepare magnetic mortar, and testing the performance of the magnetic mortar to ensure that the magnetic mortar is normally used in a filling stage;
step1.5: grouting: the magnetic mortar is placed into a grouting device, when the crack is deep and the deep crack is difficult to completely fill by one-time grouting, a grouting guide pipe is placed first, after the grouting, a flexible magnet is drawn out to carry out secondary grouting on the interior of the grouting pipe, and when a large gap exists after the grout outlet pipe is placed, a rubber gasket is used for filling the gap and then grouting is carried out; repairing the crack by magnetic mortar under the attraction of a magnet, enabling redundant magnetic mortar to enter a mortar storage pipe groove of a mortar storage device from the end part of the crack, and grouting by a grouting method when the tail end of the crack is too narrow;
step1.6: and (3) drilling hole repairing: selectively adding an accelerating agent into the magnetic mortar or arranging an anti-dropping plate in the later stage of grouting, repairing each drill hole after the strength of the mortar is reached if the accelerating agent is added, and taking away the non-metal plate and repairing each drill hole after the strength of the magnetic mortar reaches a certain strength if the anti-dropping plate is arranged; meanwhile, spraying waterproof paint according to actual conditions, and finally recovering the original appearance of the floor slab;
step1.7: and (3) monitoring at a later stage: when the repairing position is a water leakage position of the toilet, detecting the repairing effect within a certain time period to ensure that no water leakage occurs again;
when the water pipe repair is involved, the method is characterized by comprising the following steps:
step2.1: preparing materials: preparing materials and equipment required for filling cracks, wherein the materials and equipment comprise an ultrasonic detector, raw materials required by magnetic mortar, raw materials required by waterproof mortar, drilling equipment, a sleeve, an attractor, a slurry storage device, a slurry injector, a rubber gasket and a slurry injection guide pipe;
step2.2: checking the water leakage position, determining the positions of water leakage points and wall gaps, and removing a small part of wall to remove a part of pipeline at the water pipe interface;
step2.3: the sleeve with the diameter close to that of the pipeline is placed into the water pipe through the connector, waterproof mortar is injected into the interlayer part of the sleeve through the sleeve grouting hole, the grouting hole and the slurry outlet hole are closed on one side close to the main part of the sleeve after the grouting is finished, and the pipeline is repaired so that water can pass through the pipeline formed by the waterproof mortar;
step2.4: after the waterproof mortar reaches a certain strength, water is introduced to dissolve the sleeve, and the condition that the pipeline does not leak water again is confirmed;
step2.5: repairing the wall crack by the steps of claims Step 1.1-Step 1.7.
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Application publication date: 20210723 Assignee: Hongchuang (Yichang) Architectural Design Co.,Ltd. Assignor: CHINA THREE GORGES University Contract record no.: X2023980031470 Denomination of invention: Equipment and method for repairing cracks in wallboard with magnetic mortar Granted publication date: 20220517 License type: Common License Record date: 20230116 |
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Assignee: Hongchuang (Yichang) Architectural Design Co.,Ltd. Assignor: CHINA THREE GORGES University Contract record no.: X2023980031470 Date of cancellation: 20230721 |