CN113585795B - Waterproof coiled material damage repairing method - Google Patents
Waterproof coiled material damage repairing method Download PDFInfo
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- CN113585795B CN113585795B CN202110685845.9A CN202110685845A CN113585795B CN 113585795 B CN113585795 B CN 113585795B CN 202110685845 A CN202110685845 A CN 202110685845A CN 113585795 B CN113585795 B CN 113585795B
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- 239000000463 material Substances 0.000 title claims abstract description 144
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000003466 welding Methods 0.000 claims abstract description 102
- 239000003292 glue Substances 0.000 claims abstract description 41
- 239000012790 adhesive layer Substances 0.000 claims abstract description 9
- 239000012528 membrane Substances 0.000 claims description 25
- 238000004078 waterproofing Methods 0.000 claims description 25
- 229920001903 high density polyethylene Polymers 0.000 claims description 23
- 239000004700 high-density polyethylene Substances 0.000 claims description 23
- 238000001125 extrusion Methods 0.000 claims description 9
- 230000000181 anti-adherent effect Effects 0.000 claims description 3
- 238000002347 injection Methods 0.000 description 19
- 239000007924 injection Substances 0.000 description 19
- 239000010410 layer Substances 0.000 description 14
- 239000000565 sealant Substances 0.000 description 13
- 238000010276 construction Methods 0.000 description 6
- 239000002390 adhesive tape Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229920002397 thermoplastic olefin Polymers 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a waterproof coiled material damage repairing treatment method, which relates to the technical field of waterproof coiled material repairing and comprises the following steps: obtaining a repairing area and removing a reverse adhesive layer on the waterproof roll in the repairing area; welding the coiled material repairing block on the repairing area to form a spiral welding track; glue is injected between the coiled material repairing block and the waterproof coiled material; according to the method, the coiled material repairing block is welded on the repairing area to form a spiral welding track, glue is injected between the coiled material repairing block and the waterproof coiled material, the welding strength and the bonding strength between the coiled material repairing block and the waterproof coiled material are greatly increased, and the repairing quality of the waterproof coiled material after damage is improved.
Description
Technical Field
The invention belongs to the technical field of waterproof coiled material repair, and particularly relates to a waterproof coiled material damage repair processing method.
Background
At present, more and more engineering projects are aware of the advantages of the pre-paved anti-sticking waterproof system, and particularly, a waterproof coiled material with an anti-sticking function is paved on a building bottom plate, so that post-cast concrete is directly contacted with the bonding surface of the waterproof coiled material to form a bonding state, and the problem of water channeling is avoided to the greatest extent. Meanwhile, in order to ensure that post-cast concrete can be fully contacted with the waterproof coiled material, the waterproof system is not provided with a waterproof protective layer, so that the subsequent reinforcement binding operation is completely finished in a state that the waterproof layer is exposed. Therefore, the finished product protection work of the waterproof layer becomes a serious task, and a complete repair emergency plan is needed while the high polymer waterproof coiled material with excellent puncture resistance and damage resistance is selected for construction. However, from the current construction technology, no special technology for repairing the high polymer waterproof coiled material exists, and the reasons are as follows:
the difference of the performance of the high-molecular coiled material, the conventional pre-paved and anti-sticky high-molecular waterproof coiled material mainly uses high-density polyethylene (HDPE) or Thermoplastic Polyolefin (TPO), and the two materials are welded by mechanical equipment when being bonded, but the welding modes are different due to different material properties; if the High Density Polyethylene (HDPE) welding temperature window is narrow, the crystallinity is as high as 75 percent, the welding can be carried out only by an up-flow welding machine at present, and the waterproof coiled material forms a welding connection state after being heated by a hot wedge of the machine and being rolled by an external force exerted by an upper layer of idler wheel and a lower layer of idler wheel; like TPO waterproofing membrane welding temperature window very wide again, the degree of crystallinity is lower, can carry out welded connection through hot-blast welding machine or welder at present, through the hot-blast heating of machine and roll through upper portion gyro wheel and reach the back, make waterproofing membrane form the welded connection state. The above-mentioned welding operation is characterized by overlapping seams, i.e. welding from one side of the overlapping seam to the other side, i.e. welding from the free end of one side to the free end of the other side, and the whole waterproof roll is a sheet structure after welding, see fig. 1.
The invention patent with the application number of CN202011438545.2 relates to a HDPE repair technology, and relates to a step S4 of temporarily sealing a broken hole on a membrane surface by using a strong adhesive tape; step S5, adopting HDPE repair blocks to perform extrusion welding repair on the film surface broken hole to form permanent and firm HDPE repair blocks; referring to fig. 2, after the temporary sealing by the strong adhesive tape 102, the welding seam is formed only at the edge of the HDPE repair block 102 by using the squeeze welding repair 103; the repairing mode is forced to solve the problem of welding equipment, and only closed welding can be carried out on the edge of the HDPE repairing block 102, otherwise, the welding width and the closed compactness are influenced due to the limited working face; therefore, under the condition of back water pressure, the edge welding seam of the repairing mode is easy to become leakage hidden trouble.
In addition, because of the temporary random and reliable waterproof coiled material repairing process, the HDPE coiled material is generally adhered by the double-sided adhesive tape on the construction site for simple repairing treatment, and the repairing effect is extremely poor.
Disclosure of Invention
The invention aims to provide a method for repairing and processing the damaged waterproof coiled material, aiming at the defects in the prior art, the method comprises the steps of welding a coiled material repairing block on a repairing area to form a spiral welding track, injecting glue between the coiled material repairing block and the waterproof coiled material, greatly increasing the welding and bonding strength between the coiled material repairing block and the waterproof coiled material, and improving the repairing quality of the damaged waterproof coiled material.
In order to achieve the above object, the present invention provides a method for repairing a damaged waterproof roll, comprising:
obtaining a repairing area and removing a reverse adhesive layer on the waterproof roll in the repairing area;
welding the coiled material repairing block on the repairing area to form a spiral welding track;
and injecting glue between the coiled material repairing block and the waterproof coiled material.
Optionally, the damaged position of the waterproof roll is located at a central position in the repair area.
Optionally, the repair area is circular.
Optionally, the welding the coil material repair block on the repair area to form a spiral welding track includes:
obtaining the coiled material repairing block which can completely cover the repairing area;
aligning the center of the coiled material repairing block to the center of the repairing area and covering the repairing area;
and welding the coiled material repairing block on the repairing area according to the spiral welding track by using an extrusion welding process.
Optionally, the damaged position of the waterproof roll is located in the center of the welding track in the shape of the spiral line, and the damaged position of the waterproof roll is surrounded by the innermost welding track of the welding track in the shape of the spiral line.
Optionally, the spiral welding track enables a spiral cavity to be formed between the coil repairing block and the waterproof coil, and the step of injecting glue between the coil repairing block and the waterproof coil includes: and injecting glue into the spiral cavity.
Optionally, sealant is injected into the spiral cavity by using a glue injection device, so that the spiral cavity is filled with the sealant.
Optionally, the material of the coiled material repairing block is an HDPE coiled material, and an anti-adhesion layer is arranged on the HDPE coiled material.
Optionally, still include to after the injecting glue between the coiled material patch piece with waterproofing membrane:
and removing part of the edge of the coiled material repairing block, wherein the part of the edge is positioned at the outer side of the outermost circle of the welding track of the spiral line shape, and the part of the edge is not connected with the waterproof coiled material.
Optionally, a partial edge of the web patch is cut off with a wallpaper knife.
The invention provides a method for repairing and treating the damage of a waterproof coiled material, which has the beneficial effects that:
1. according to the method, the coiled material repairing block is welded on the repairing area to form a spiral welding track, glue is injected between the coiled material repairing block and the waterproof coiled material, the welding strength and the bonding strength between the coiled material repairing block and the waterproof coiled material are greatly increased, and the repairing quality of the waterproof coiled material after damage is improved;
2. the method adopts an extrusion welding process to effectively connect the coiled material repairing block with the waterproof coiled material and form a spiral cavity for injecting glue, so that the limitation of welding equipment is furthest solved, a continuous sealed repairing structure is formed after the spiral cavity is fully filled with the sealant, and the repairing effect is ensured;
3. the method adopts the HDPE coiled material with the anti-adhesion layer as the coiled material repairing block, and removes the part of the edge of the coiled material repairing block which is not connected with the waterproof coiled material after the glue injection is finished, so that the anti-adhesion layer of the coiled material repairing block and the anti-adhesion layer of the waterproof coiled material form a continuous anti-adhesion structure, and the repairing requirement of the original pre-laid anti-adhesion waterproof system is fundamentally met.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a schematic view of a sheet structure formed after welding of a waterproof roll in the prior art.
Figure 2 shows a drawing of one prior art patent.
Fig. 3 is a diagram illustrating steps of a method for repairing a damaged waterproofing membrane according to an embodiment of the present invention.
Fig. 4 is a diagram illustrating steps of a method for repairing a damaged waterproofing membrane according to an embodiment of the present invention.
Fig. 5 is a view showing the construction steps of a method for repairing a damaged waterproofing membrane according to an embodiment of the present invention.
Fig. 6 is a diagram illustrating steps of a method for repairing a damaged waterproofing membrane according to an embodiment of the present invention.
Fig. 7 shows a schematic cross-sectional structure of fig. 6.
Description of the reference numerals:
in fig. 2:
101. a strong adhesive tape; 102. a HDPE repair block; 103. performing extrusion welding repair;
in fig. 3 to 7:
1. repairing the area; 2. waterproof coiled materials; 3. repairing the coiled material; 4. a helical welding trajectory; 5. a damaged position; 6. a helical cavity; 7. sealing glue; 8. an anti-adhesive layer; 9. a partial edge; 10. And (6) a glue injection port.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The invention provides a waterproof roll damage repairing method, which comprises the following steps:
obtaining a repairing area and removing a reverse adhesive layer on the waterproof roll in the repairing area;
welding the coiled material repairing block on the repairing area to form a spiral welding track;
and injecting glue between the coiled material repairing block and the waterproof coiled material.
The waterproof coiled material repairing method includes the steps that a repairing area can be marked on a waterproof coiled material, a damaged position of the waterproof coiled material is located in the repairing area, a sufficient connecting area is reserved between the edge of the repairing area and the damaged position, a reverse adhesive layer on the waterproof coiled material in the repairing area is scraped by a scraper, the waterproof coiled material in the repairing area is not bonded with a coiled material repairing block covered on the waterproof coiled material repairing area, the coiled material repairing block can be welded on the repairing area by an extrusion welding process, a welding track is spiral, the welding track is a welding line with a certain width formed by welding, a spiral cavity is formed between the waterproof coiled material in the repairing area and the coiled material repairing block by the spiral welding track, the spiral cavity is used for injecting glue, a sealant can be injected into the spiral cavity by using a glue injection gun, the welding strength and the bonding strength between the coiled material repairing block and the waterproof coiled material are greatly increased, and the repairing quality of the waterproof coiled material after the waterproof coiled material is damaged is improved.
Optionally, the waterproof roll is broken at a central position within the repair area.
Specifically, taking the damaged opening on the waterproof coiled material as an example, when the repairing area is defined, the damaged opening is positioned at the center of the repairing area, and a sufficient connecting area is reserved between the edge of the repairing area and the edge of the damaged opening, so that the bonding area can be ensured, and the repairing quality can be improved.
Optionally, the repair area is circular.
In one example, the coiled material repairing block is also cut into a circular shape and covers the repairing area, the circle center of the coiled material repairing block is concentric with the circle center of the repairing area as much as possible, the damaged position is ensured to be also positioned at the center of the coiled material repairing block, and then welding and glue injection are carried out on the periphery of the damaged position, so that the full-adhesion effect on the periphery of the damaged position is formed, and the repairing strength is ensured.
Optionally, welding the coiled material patch on the repair area to form a welding track in a spiral shape comprises:
acquiring a coiled material repairing block capable of completely covering a repairing area;
aligning the center of the coiled material repairing block to the center of the repairing area and covering the repairing area;
and welding the coiled material repairing block on the repairing area according to the spiral welding track by using an extrusion welding process.
Specifically, the center of the coil repairing block is aligned with the center of the repairing area, so that the initial position of welding can be conveniently determined in the subsequent welding process, and the position accuracy of a welding track is ensured.
Optionally, the damaged position of the waterproofing membrane is at the center of the welding track in the shape of a spiral, and the damaged position of the waterproofing membrane is surrounded by the innermost welding track of the welding track in the shape of a spiral.
Specifically, the number of turns of the spiral linear welding track can be confirmed according to position or hydraulic specific requirement, the spiral linear welding track forms the spiral cavity between coiled material repairing block and waterproofing membrane, the inner of spiral cavity is not sealed because the existence of damaged position, the outer end of spiral cavity forms the injecting glue mouth, damaged position is not sealed when injecting glue to the spiral cavity intracavity from the injecting glue mouth, be favorable to the air escape, prevent that the unable discharge of air of spiral cavity hinders sealed gluey colloid full, mechanical construction's drawback has been avoided to the welding mode of this kind of spiral linear welding track in addition, it leads to the ill with closely knit quality to be difficult in end to end department promptly.
Optionally, the welding track of helix shape makes to form the spiral cavity between coiled material mending piece and the waterproofing membrane, and the injecting glue includes between mending piece and the waterproofing membrane to the coiled material: and injecting glue into the spiral cavity.
Specifically, the welding track of helix shape has formed first connection structure between coiled material repair piece and waterproofing membrane, has formed the spiral cavity simultaneously, has formed the second connection structure again after sealed glue of injection in the spiral cavity, and first connection structure and second connection structure realize the coiled material jointly that repair piece and waterproofing membrane are connected, guarantee to repair intensity, improve and repair the quality.
Optionally, a glue injection device is used for injecting the sealant into the spiral cavity, so that the spiral cavity is filled with the sealant.
Specifically, the sealant matched with the materials of the waterproof coiled material and the coiled material repairing block and a matched glue injection gun are adopted for glue injection construction from the glue injection port, so that the sealant is filled in the spiral cavity tightly.
Optionally, the material of the coil repair block is a HDPE coil, and an anti-adhesion layer is arranged on the HDPE coil.
Specifically, the HDPE coiled material with the anti-adhesion layer is used as the coiled material repairing block, and the part of the edge of the coiled material repairing block which is not connected with the waterproof coiled material is removed after glue injection is completed, so that the anti-adhesion layer of the coiled material repairing block and the anti-adhesion layer of the waterproof coiled material form a continuous anti-adhesion structure, and the repairing requirement of the original pre-laid anti-adhesion waterproof system is met fundamentally.
In one example, the HDPE web is a pre-laid reverse-adhesive type polymeric waterproofing web.
Optionally, still include after the injecting glue to between coiled material mending piece and the waterproofing membrane:
and removing part of the edge of the coiled material repairing block, wherein part of the edge is positioned at the outer side of the outermost circle of the welding track of the spiral line shape, and part of the edge is not connected with the waterproof coiled material.
Specifically, the partial edge of the coiled material repairing block is cut along the peripheral edge of the outermost circle of the spiral-line-shaped welding track, and when the partial edge is cut to the glue injection port, the partial edge is cut along the cross section direction of the glue injection port to form an annular cutting line, so that the sealant in the glue injection port is guaranteed to be filled compactly.
Optionally, a wallpaper knife is used to cut off a portion of the edge of the coil patch.
Examples
As shown in fig. 3 to 7, the present invention provides a method for repairing damaged waterproof roll, comprising:
obtaining a repairing area 1 and removing a reverse adhesive layer on the waterproof roll 2 in the repairing area 1;
welding the coiled material repairing block 3 on the repairing area 1 to form a spiral welding track 4;
and injecting glue between the coiled material repairing block 3 and the waterproof coiled material 2.
In the present embodiment, the damaged position of the waterproofing membrane 2 is at the center position within the repair area 1.
In the present embodiment, the repair area 1 is circular.
In the present embodiment, the welding track 4 for welding the coil material repair block 3 to the repair area 1 in a spiral shape includes:
obtaining a coiled material repairing block 3 which can completely cover a repairing area 1;
aligning the center of the coiled material repairing block 3 to the center of the repairing area 1 and covering the repairing area 1;
the coil repairing block 3 is welded on the repairing area 1 according to the spiral welding track 4 by using the extrusion welding process.
In the present embodiment, the damaged position 5 of the waterproofing membrane 2 is at the center of the welding locus 4 in the spiral shape, and the damaged position 5 of the waterproofing membrane 2 is surrounded by the innermost welding locus of the welding locus 4 in the spiral shape.
In this embodiment, the spiral welding track 4 forms a spiral cavity 6 between the coil material repairing block 3 and the waterproof coil material 2, and the glue injection between the coil material repairing block 3 and the waterproof coil material 2 includes: glue is injected into the spiral cavity 6.
In this embodiment, the glue injection device is used to inject the sealant 7 into the spiral cavity 6, so that the spiral cavity 6 is filled with the sealant 7.
In this embodiment, the material of the coil repair block 3 is an HDPE coil, and an anti-adhesion layer 8 is disposed on the HDPE coil.
In this embodiment, still include after the injecting glue to between coiled material repairing block 3 and waterproofing membrane 2:
part of the edge 9 of the coil repair block 3 is removed, the part of the edge 9 is positioned outside the outermost welding track of the spiral-shaped welding track 4, and the part of the edge 9 is not connected with the waterproof coil 2.
In this embodiment, a wallpaper knife is used to cut off a portion of the edge 9 of the web repair block 3.
In summary, when the method for repairing damaged waterproof roll provided by the present invention is implemented, taking the example that a damaged opening appears on a polymer waterproof roll: firstly, a repairing area 1 is obtained by referring to fig. 3, namely, a repairing range is determined, the repairing area is determined according to the shape and size of a damaged opening of a waterproof roll 2, the circular repairing area 1 can be drawn on the waterproof roll 2 by taking the center of the damaged opening as a circle center, the distance of at least 200mm is ensured between one end of the damaged opening, which is farthest away from the circle center, and the edge of the repairing area 1, and a scraper is adopted to scrape a viscose layer on the waterproof roll 2 in the repairing area 1 completely after the repairing area 1 is drawn; then, referring to fig. 4, taking a HDPE coiled material with an anti-adhesive layer, cutting a circular coiled material repairing block 3 capable of covering a repairing area, covering the coiled material repairing block 3 on the repairing area 1, ensuring that the circle center of the coiled material repairing block 3 coincides with the circle center of the repairing area 1 as much as possible, continuously performing welding operation outwards by adopting an extrusion welding process between the coiled material repairing block 3 and the waterproof coiled material 2 by taking the center of a damaged opening as a central point, forming a spiral welding track 4 and ensuring that the damaged opening is surrounded by the innermost welding track of the spiral welding track 4, forming a spiral cavity 6 between the coiled material repairing block 3 and the waterproof coiled material 2 by the spiral welding track 4, wherein the inner end of the spiral cavity 6 is close to the damaged opening, and the outer end of the spiral cavity 6 forms an adhesive injection opening 10; referring to fig. 5, a glue injection gun is used for injecting the sealant 7 into the spiral cavity 6 from the glue injection port 10, so that the sealant 7 is fully and compactly injected into the spiral cavity 6; finally, referring to fig. 6 and 7, the area where the glue cannot be injected at the partial edge 9 of the coiled material repairing block 3 is completely cut by a wallpaper cutter, so that the periphery of the joint of the coiled material repairing block 9 and the waterproof coiled material 2 can be completely contacted with the concrete, and the pre-paving anti-sticking effect of the original design is formed.
While embodiments of the present invention have been described above, the above description is illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (8)
1. A waterproof roll damage repairing method is characterized by comprising the following steps:
obtaining a repairing area and removing a reverse adhesive layer on the waterproof roll in the repairing area;
welding the coiled material repairing block on the repairing area to form a spiral welding track, wherein the welding process of the coiled material repairing block on the repairing area is realized by utilizing an extrusion welding process according to the spiral welding track, so that a spiral cavity is formed between the coiled material repairing block and the waterproof coiled material, and the spiral welding track forms a first connecting structure between the coiled material repairing block and the waterproof coiled material;
and the coiled material repairing block is connected with the waterproof coiled material by the first connecting structure and the second connecting structure together.
2. The waterproofing membrane breakage repairing method according to claim 1, wherein the breakage position of the waterproofing membrane is located at a central position within the repairing region.
3. The method according to claim 2, wherein the repair area is a circular shape.
4. The method for repairing and processing the breakage of a waterproof roll according to claim 1, wherein the welding the repair block to the repair area to form a spiral welding track comprises:
obtaining the coiled material repairing block which can completely cover the repairing area;
aligning the center of the coil patch to the center of the repair area and overlaying the repair area.
5. The waterproofing membrane damage repairing method according to claim 4, wherein the damage position of the waterproofing membrane is located at the center of the welding locus of the spiral shape, and the damage position of the waterproofing membrane is surrounded by the innermost welding locus of the spiral shape.
6. The method of claim 1, wherein the material of the coil repair block is a HDPE coil, and the HDPE coil is provided with an anti-adhesive layer.
7. The method for repairing and processing the breakage of a waterproof roll according to claim 1, further comprising, after injecting glue between the roll repairing block and the waterproof roll:
and removing part of the edge of the coiled material repairing block, wherein the part of the edge is positioned at the outer side of the outermost circle of the welding track of the spiral line shape, and the part of the edge is not connected with the waterproof coiled material.
8. The method of claim 7, wherein a partial edge of the coil patch is cut off by a wallpaper knife.
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| CN202110685845.9A CN113585795B (en) | 2021-06-21 | 2021-06-21 | Waterproof coiled material damage repairing method |
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| CN202110685845.9A CN113585795B (en) | 2021-06-21 | 2021-06-21 | Waterproof coiled material damage repairing method |
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| JP5262276B2 (en) * | 2008-04-30 | 2013-08-14 | 積水ハウス株式会社 | How to repair cracks in concrete structures |
| KR20190053749A (en) * | 2017-11-10 | 2019-05-20 | 선전 쯔중 스하이 테크놀로지 컴퍼니.,리미티드. | A vacuum repairing tool used for crack/seam on surface of object |
| CN107721197B (en) * | 2017-11-10 | 2024-02-06 | 深圳市志纵四海科技有限公司 | Vacuum repairing tool for surface cracks/fractures of object |
| CN109267592A (en) * | 2018-08-24 | 2019-01-25 | 佛山市科顺建筑材料有限公司 | A kind of construction method of metope inner corner trim pre-installed and inverted adhered waterproof roll |
| CN112624221A (en) * | 2020-12-07 | 2021-04-09 | 中城建胜义(深圳)环境科技有限公司 | Operation method for repairing floating cover film with water |
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