CN222558196U - Waterproof plugging structure for cracks - Google Patents
Waterproof plugging structure for cracks Download PDFInfo
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- CN222558196U CN222558196U CN202421255977.3U CN202421255977U CN222558196U CN 222558196 U CN222558196 U CN 222558196U CN 202421255977 U CN202421255977 U CN 202421255977U CN 222558196 U CN222558196 U CN 222558196U
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- crack
- expansion groove
- leak
- low
- waterproofing
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- 239000000945 filler Substances 0.000 claims abstract description 16
- 239000003292 glue Substances 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 15
- 239000004593 Epoxy Substances 0.000 claims description 9
- 239000002002 slurry Substances 0.000 claims description 3
- 238000004382 potting Methods 0.000 claims description 2
- 238000004078 waterproofing Methods 0.000 claims 13
- 239000000565 sealant Substances 0.000 claims 4
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 11
- 238000007569 slipcasting Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 229920006333 epoxy cement Polymers 0.000 description 8
- 230000002265 prevention Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009439 industrial construction Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Working Measures On Existing Buildindgs (AREA)
Abstract
本申请涉及防水结构领域，公开了一种裂缝防水堵漏构造，该裂缝防水堵漏构造包括：建筑结构体，具有裂缝，裂缝从所述建筑结构体的第一面贯穿至建筑结构体的第二面，裂缝内填充有通过低压注浆注入的灌注胶；裂缝扩槽，设置在第一面上并沿裂缝的延伸方向挖设于裂缝的顶部，裂缝扩槽中设有扩槽填充物，扩槽填充物用于埋设低压注浆底座并封闭裂缝的顶部；和底部密封物，设置在第二面上并封盖在裂缝的底部上。本申请的裂缝防水堵漏构造防水效果好，能够避免对结构造成二次破坏。
The present application relates to the field of waterproof structures, and discloses a crack waterproof plugging structure, which comprises: a building structure having a crack, the crack extending from the first surface of the building structure to the second surface of the building structure, and the crack is filled with a grouting glue injected by low-pressure grouting; a crack expansion groove, which is arranged on the first surface and dug at the top of the crack along the extension direction of the crack, and an expansion groove filler is arranged in the crack expansion groove, and the expansion groove filler is used to bury the low-pressure grouting base and seal the top of the crack; and a bottom sealer, which is arranged on the second surface and covers the bottom of the crack. The crack waterproof plugging structure of the present application has a good waterproof effect and can avoid secondary damage to the structure.
Description
Technical Field
The application belongs to the technical field of waterproof structures, and particularly relates to a crack waterproof and plugging structure.
Background
The existing traditional grouting process is to pre-embed grouting needles on two sides of a crack, so that the structure can be disturbed by adopting an electric hammer for drilling, especially in the waterproof maintenance of the existing building, the concrete strength of the building with long service life in the past is lower, and if the traditional process is used for grouting, the structure is damaged for the second time. And, the partial slip casting of pre-buried syringe needle is not full also can form new infiltration passageway.
Disclosure of utility model
The application aims to provide a crack waterproof plugging structure with good waterproof effect.
In order to achieve the above object, an aspect of the present application provides a crack waterproof and leak-stopping structure, comprising:
A building structure having a slit penetrating from a first face of the building structure to a second face of the building structure, the slit being filled with a pouring glue injected by low-pressure grouting;
A crack expansion groove arranged on the first surface, the crack expansion groove is dug at the top of the crack and along the extending direction of the crack, the crack expansion groove is internally provided with an expansion groove filler which is used for burying a low-pressure grouting base and sealing the top of the crack, and
And a bottom sealer disposed on the second face and covering the bottom of the slit.
In some embodiments, the crack propagation groove is a V-groove.
In some embodiments, the crack growth groove has a width of 15mm or more and 25mm or less.
In some embodiments, the crack propagation groove has a depth of 15mm or more and 25mm or less.
In some embodiments, the bottom seal is sealed over the bottom of the slit along the direction of extension of the slit, the width of the bottom seal being 100mm or more and 150mm or less.
In some embodiments, the casting compound is injected by a semi-automatic low pressure injector.
In some embodiments, the material of the expansion tank filler and the bottom sealing object is epoxy cement, and/or the material of the pouring glue is epoxy cement slurry.
In some embodiments, the crack prevention and containment structure further comprises a first existing structure layer disposed outside the crack growth groove, and/or,
The crack waterproof and plugging structure further comprises a second existing structural layer arranged outside the bottom sealing object.
In some embodiments, the crack waterproof and plugging structure further comprises a plurality of base mounting grooves which are dug on the crack expanding groove and are arranged at intervals along the extending direction of the crack expanding groove, and the base mounting grooves are filled with pouring glue and used for mounting the low-pressure grouting base during low-pressure grouting construction.
In some embodiments, a distance between two adjacent base mounting grooves is 150mm or more and 300mm or less.
Through the technical scheme, the crack waterproof plugging structure does not need to use an electric hammer to drill holes to pre-embed grouting needles, reduces disturbance to the original structure, and particularly can avoid secondary damage to the structure for long-term buildings with lower concrete strength. In addition, the crack waterproof and plugging structure adopts a low-pressure grouting process to perform grouting treatment on the crack, thereby not only playing a role in reinforcing and reinforcing the crack of the concrete structure, but also playing a role in waterproof. In addition, through digging crack propagation groove at cracked top, both be convenient for the installation of low pressure slip casting base and follow-up slip casting operation, can also make the leakproofness of crack in slip casting work progress better for waterproof construction is more convenient, simple and easy to operate.
Additional features and advantages of embodiments of the application will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain, without limitation, the embodiments of the application. Other figures may be made from the structures shown in these figures without inventive effort for a person of ordinary skill in the art. In the drawings:
FIG. 1 shows a schematic diagram of the structure of a crack and crack propagation groove of the present utility model;
FIG. 2 shows a schematic view of the construction of the crack and bottom seal of the present utility model;
fig. 3 and 4 are schematic views showing structures of embedding a low-pressure grouting base on the crack expanding groove in fig. 1, respectively;
Fig. 5 shows a schematic view of the construction of the low pressure grouting by the semiautomatic low pressure grouting machine at the low pressure grouting base in fig. 4.
Description of the reference numerals
1. Crack of building structure 11
12. Crack expansion groove 121 expansion groove filler
13. Low-pressure grouting base for bottom sealing object 2
3. Semi-automatic low-pressure grouting device
Detailed Description
The following describes specific embodiments of the present application in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the application, are not intended to limit the application.
The concrete pouring quality of the concrete structure which is relatively long in the past is poor, the strength is low, and if grouting needles are embedded along two sides of a crack, the electric grouting machine performs grouting in a waterproof maintenance mode, which is undoubtedly to cause deeper damage to the structure. Moreover, the equipment maintenance cost of the electric grouting machine is relatively high, and equipment blockage is not easy to maintain.
In view of this, as shown in fig. 1 to 5, the present utility model provides a crack prevention and leakage blocking structure including a building structure 1, a crack propagation groove 12, and a bottom sealer 13. The building structure 1 has a slit 11, the slit 11 penetrates from a first surface of the building structure 1 to a second surface of the building structure 1, and the slit 11 is filled with a pouring glue injected by low-pressure grouting. The crack expansion groove 12 is arranged on the first surface of the building structure body 1, the crack expansion groove 12 is dug at the top of the crack 11 and along the extending direction of the crack 11, the crack expansion groove 12 is internally provided with a groove expansion filler 121, and the groove expansion filler 121 is used for burying the low-pressure grouting base 2 and sealing the top of the crack 11. A bottom seal 13 is provided on the second face of the building structure 1 and covers the bottom of the slit 11.
The grouting glue can be injected through low-pressure grouting by a manual grouting device, or the grouting glue can also be injected through low-pressure grouting by a semi-automatic low-pressure grouting device 3, so that an electric hammer is not required to be used for drilling holes in the building structure body 1 to pre-embed grouting needles, disturbance to the original structure is reduced, and particularly, the secondary damage to the structure can be avoided for buildings which are long in time and low in concrete strength. And the construction operation of low-pressure grouting by the manual grouting device or the semiautomatic low-pressure grouting device 3 is convenient and quick, and the equipment cost is low. Meanwhile, the low-pressure grouting mode of the semiautomatic low-pressure grouting device 3 is adopted to apply the capillary action principle, and the pouring glue can be injected into the micro cracks by utilizing pressure and capillary action, so that the defects of dissatisfaction and incompact pouring of the traditional electric grouting mode can be avoided.
In addition, through digging crack propagation groove 12 at the top of crack 11 and carrying out the low pressure slip casting after setting up bottom seal 13 in the bottom of crack 11, the simple operation is convenient. In addition, the crack propagation groove 12 is arranged so that the installation and subsequent grouting operation of the low-pressure grouting base 2 are facilitated, the sealing performance of the crack 11 in the grouting construction process is better, and the waterproof construction is more convenient, simpler and easier to operate.
As shown in fig. 1 to 5, the building structure 1 is a floor slab, the crack-propagation groove 12 extends along the center line of the crack 11 and is dug, and the crack-propagation groove 12 may be a V-shaped groove, a U-shaped groove, a semicircular groove, or the like. When burying the fixation to low pressure slip casting base 2, low pressure slip casting base 2 is pre-buried with the mode of riding the seam on crack expansion groove 12 to fill the groove filler 121 of expanding in the inside and the top of crack expansion groove 12 and carry out pre-buried fixation to low pressure slip casting base 2, can make the fixation of low pressure slip casting base 2 more stable, construction operation is also more convenient simple. And, crack propagation groove 12 is wider relative crack 11's width, is convenient for expand the filling of groove filler 121 for crack 11's leakproofness in the slip casting work progress is better.
It should be noted that the structures of the manual grouting device, the semiautomatic low-pressure grouting device 3 and the low-pressure grouting base 2 are well known to those skilled in the art, and are not a core improvement part of the present application, and thus are not described herein.
The building structure 1 may be a civil building, an industrial building, a road-bridge railway building, a hydraulic building, a history building, or the like. Civil constructions include floors, shear walls, beams and columns, industrial constructions include concrete workshops, concrete structures of warehouses, tanks, pipelines and large-scale equipment foundations, road and bridge railway constructions include concrete pavements, bridge decks, bridge foundations, piers, beams, bridge slabs, guardrails, and concrete linings of high-speed railway track slabs, subways, tunnels and underground passages, hydraulic constructions include dams, ditches, sewage treatment facilities, ports, wharfs, breakwater, floodgates, dams and the like, and historic constructions include ancient constructions of stone relics, wooden structures, brick structures and the like.
Alternatively, the slurry storage capacity of the semiautomatic low-pressure grouting device 3 may be 40-60 ml, and the grouting pressure may be 0.5 mpa-1.6 mpa. The low-pressure grouting base 2 can be a base with four holes, and the diameter of an outlet is 2-6 mm.
In some embodiments, as shown in fig. 1 and 2, the crack growth groove 12 is a V-groove, which can meet the process requirements, minimize damage to the building structure 1, and reduce the amount of growth groove filler 121. Alternatively, the slit expansion groove 12 may have a width of 15mm or more and 25mm or less, preferably 20mm. The depth of the crack growth groove 12 may be 15mm or more and 25mm or less, with a depth of 20mm being preferred.
In some embodiments, the bottom sealing member 13 covers the bottom of the slit 11 along the extending direction of the slit 11, and the width of the bottom sealing member 13 is 100mm or more and 150mm or less, so that the sealing performance of the slit 11 is improved. Wherein the putty layers on both sides of the bottom of the crack 11 need to be shoveled before the bottom seal 13 is provided.
Alternatively, the material of the spread groove filler 121 and the bottom seal 13 may be epoxy cement, for example, modified epoxy repair cement. The potting compound material may be an epoxy cement paste, such as a modified epoxy resin paste. The modified epoxy adhesive has the advantages of aging resistance, corrosion resistance, high curing strength, good permeability with concrete and the like.
In addition, the crack prevention and shut-off construction may also include a first existing construction layer that is relocated outside the crack growth groove 12. And/or the crack prevention and shut-off construction further comprises a second pre-existing construction layer that is relocated outside the bottom seal 13. If the original first existing structural layer and the second existing structural layer are waterproof according to the actual situation of the site, the rearranged first existing structural layer and the second existing structural layer can be waterproof according to specifications and drawing design.
In some embodiments, the crack waterproof and plugging structure may further include a plurality of base mounting grooves (not shown in the drawings) which are dug on the crack expansion groove 12 and are arranged at intervals along the extending direction of the crack expansion groove 12, the base mounting grooves are filled with expansion groove filler and are used for mounting the low-pressure grouting base 2 during the low-pressure grouting construction, and the shape of the base mounting grooves is matched with the shape of the low-pressure grouting base 2.
Optionally, a distance between two adjacent base mounting grooves is 150mm or more and 300mm or less. Thus, as shown in fig. 4, in the construction process, the plurality of low-pressure grouting bases 2 are arranged at intervals along the extending direction of the crack propagation groove 12, and the interval between two adjacent low-pressure grouting bases 2 is 150mm or more and 300mm or less.
The construction process of the crack waterproof and plugging structure of the application will be described below by taking a floor crack as an example:
Base surface cleaning, plate surface crack cutting and crack expanding 12, riding a seam embedded grouting base, plate bottom crack sealing, pouring modified epoxy pouring glue, curing, removing grouting equipment and the grouting base, and recovering the existing waterproof structure.
Specifically, the construction steps of the crack waterproof and plugging structure of the application are as follows:
1. the slit expansion groove 12 is cut along the longitudinal extension direction of the slit 11, and has a width of 20mm and a depth of 20mm.
2. Dust impurities in the crack expansion groove 12 are cleaned, epoxy cement is prepared according to the proportion, the low-pressure grouting bases 2 are embedded in the joint, and the distance between the low-pressure grouting bases 2 is 150 mm-300 mm.
3. And (3) removing the putty layer on the bottom of the plate, and blending the epoxy cement with the required dosage according to the proportion to seal the crack 11, wherein the sealing width is 100-150 mm.
4. After the epoxy cement of the sealed crack 11 and the embedded low-pressure grouting base 2 are solidified, the epoxy cement grouting material is prepared according to the proportion. Because the epoxy grouting material is easy to solidify, the epoxy grouting material is matched and used according to the grouting amount, and the waste of materials which are not used up is avoided.
5. An epoxy grouting material is injected into the crack 11 by the semiautomatic low-pressure grouting device 3 until the crack 11 is filled.
6. And after the modified epoxy grouting material is completely solidified, dismantling the semi-automatic low-pressure grouting device 3 and the low-pressure grouting base 2.
7. And recovering the waterproof structure of the roof and the indoor decoration layer according to the original shape.
In conclusion, the crack waterproof and plugging structure adopts the low-pressure grouting process, so that the crack of the concrete structure is reinforced and strengthened, and the waterproof effect is achieved. When grouting and repairing, the characteristics of good permeability, corrosion resistance, aging resistance and high curing strength of the epoxy material are utilized, and the low-pressure grouting equipment is matched, so that the crack reinforcement and the waterproof performance of the crack waterproof plugging structure are good, the construction equipment is portable, the process is simple, and the equipment is easy to operate.
In the description of the present application, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, or communicable with each other, directly connected, indirectly connected through an intervening medium, or in communication between two elements or in an interactive relationship between two elements, unless otherwise explicitly specified. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421255977.3U CN222558196U (en) | 2024-06-03 | 2024-06-03 | Waterproof plugging structure for cracks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421255977.3U CN222558196U (en) | 2024-06-03 | 2024-06-03 | Waterproof plugging structure for cracks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222558196U true CN222558196U (en) | 2025-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421255977.3U Active CN222558196U (en) | 2024-06-03 | 2024-06-03 | Waterproof plugging structure for cracks |
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| Country | Link |
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| CN (1) | CN222558196U (en) |
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- 2024-06-03 CN CN202421255977.3U patent/CN222558196U/en active Active
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