CN215669744U - Masonry structure basement seepage slip casting repair structure - Google Patents
Masonry structure basement seepage slip casting repair structure Download PDFInfo
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- CN215669744U CN215669744U CN202122075891.5U CN202122075891U CN215669744U CN 215669744 U CN215669744 U CN 215669744U CN 202122075891 U CN202122075891 U CN 202122075891U CN 215669744 U CN215669744 U CN 215669744U
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Abstract
The utility model provides a masonry structure basement leakage grouting repairing structure, and relates to the field of building leakage treatment; a masonry structure basement leakage grouting repairing structure comprises a masonry wall with a plurality of cracks, a backfill soil layer surrounding the outer side and the bottom of the masonry wall, and a waterproof curtain between the masonry wall and the backfill soil layer; the masonry wall is provided with a plurality of first grouting holes, and the first grouting holes are filled with solidified plugging mortar; the first grouting hole penetrates through the whole masonry wall and is communicated with the waterproof curtain; the utility model adopts a multiple waterproof line formed by 'surface-interior combination and comprehensive treatment', combines a pressure grouting technology with a surface treatment technology, adopts the pressure grouting of cement grout and chemical grout behind the wall, combines the chemical grout in the wall to fill cracks, and is assisted with the waterproof treatment of the back water surface, thereby effectively treating the large-area water leakage of the basement of the masonry structure and the basement of the general building and achieving the effective and stable waterproof effect.
Description
Technical Field
The utility model relates to the field of building leakage treatment, in particular to a masonry structure basement leakage grouting repairing structure.
Background
The existing basement masonry structure easily causes leakage due to settlement of a foundation or long-term influence of external factors, and greatly influences the life of residents.
To the seepage condition of basement masonry structure, prior art adopts the mode of slip casting more. But small grouting needles such as M8/M10 are adopted for grouting, so that the grout only stays on the surface; or after a slurry barrier is formed on the back surface and cannot enter the structure back, a deep leakage source cannot be solved, so that the reverse osmosis probability is greatly increased; and on the structure surface of the backside, the stability of the grouting material is not favorable due to the influence of dry shrinkage for a long time, and the waterproof failure is easily caused under the action of various environments.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome at least one defect (deficiency) of the prior art, and provides a masonry structure basement leakage grouting repairing structure, a waterproof curtain is formed in a masonry structure layer, and a stable waterproof structure on the back water surface is combined, so that an effective and stable waterproof effect is achieved.
The utility model adopts the technical scheme that the masonry structure basement leakage grouting repairing structure comprises a masonry wall with a plurality of cracks, a backfill soil layer surrounding the outer side and the bottom of the masonry wall and a waterproof curtain between the masonry wall and the backfill soil layer; the masonry wall is provided with a plurality of first grouting holes, and the first grouting holes are filled with solidified plugging mortar; the first grouting hole penetrates through the whole masonry wall and is communicated with the waterproof curtain.
In the utility model, the inner side of the masonry wall is a back water surface, namely the masonry wall is in an indoor environment, and the surface of the backfill soil layer is a water facing surface, namely the backfill soil layer is in an outdoor environment; the backfill soil layer is often washed by water flow, and water seepage is easily caused; a plurality of first grouting holes are drilled from the inner side of the masonry wall and penetrate through the whole masonry wall, slurry is input from the first grouting holes and permeates into a backfill soil layer close to one side of the masonry wall, the backfill soil layer is filled with holes formed by water flow scouring, after the slurry is solidified, the backfill soil layer permeated with the slurry forms a waterproof curtain, upstream water flow can be prevented from permeating into a room, and an effective waterproof effect is achieved.
Further, the waterproof curtain comprises backfill soil, solidified cement slurry filled in gaps of the backfill soil and waterproof slurry filled in capillary holes of the backfill soil.
Cement slurry is injected into the backfill soil layer close to one side of the masonry wall through the first grouting hole, so that the backfill soil layer is filled with a water seepage channel and a cavity, the muddy foundation is reinforced, and the permeation of underground water is blocked; after the cement paste is solidified, the waterproof paste is injected through the first grouting channel, so that the waterproof paste is filled in each pore or capillary hole of the water seepage channel, which cannot be reached by the cement paste, and the water seepage path is blocked, thereby playing the roles of plugging and preventing seepage.
The cement paste is preferably an aqueous solution of a mixture of 32.5# ordinary portland cement and clay; after the clay is added into the cement, the colloid is full, so that the filling of the gaps of the soft soil foundation is facilitated. In addition, a proper amount of water glass can be added into the cement slurry to shorten the cement-based setting time.
The waterproof slurry is acrylate grouting material, which is hydrophilic gel based on acrylate and consists of two components, namely resin and initiator to form homogeneous grouting material. The viscosity is almost as low as that of water, and the rubber-like gel which has higher strength, can be expanded when meeting water and is impermeable can be formed after solidification.
Furthermore, the first grouting holes are distributed in the masonry wall according to a quincunx pattern.
The mode of plum blossom mold cloth hole for first injected hole can the homodisperse in the brickwork wall, when the slip casting, arranges through reasonable hole site, can make the thick liquid fully diffuse, reaches every leakage point or hole, makes waterproof curtain reach waterproof effect well.
Furthermore, a plurality of second grouting holes are arranged on the periphery of the crack in the masonry wall, and the depth of each second grouting hole is two thirds of the thickness of the masonry wall; and the second grouting hole is filled with solidified plugging mortar.
The waterproof curtain can prevent water flow from permeating into the masonry wall so as to prevent indoor leakage, and filling and plugging are performed on cracks of the masonry wall, so that the waterproof performance of the masonry structure can be further improved; specifically, chiseling masonry wall inside surface, arranging a plurality of second injected holes around the crack, carrying out the packing of acryl resin thick liquids through second injected hole toward masonry wall internal crack and space etc. probably cause the place of seepage, make whole masonry wall water-proof effects further promote after solidifying. And after the grouting of the acrylic resin slurry is finished, plugging the second grouting hole by using plugging mortar.
Furthermore, the second grouting holes are distributed at the periphery of the crack according to a quincunx pattern.
The second grouting holes are distributed at the periphery of the crack according to a quincunx pattern, so that the acrylic resin slurry can be uniformly diffused, and a better leaking stoppage effect is achieved.
Furthermore, a water-back surface waterproof layer is further arranged on the inner side of the masonry wall.
The brickwork wall inboard is as indoor wall, establishes the surface of a poor water waterproof layer in its inboard, as last waterproof line, promotes masonry structure's water-proof effects further.
Furthermore, the back water surface waterproof layer comprises a polymer waterproof mortar leveling layer, a polymer cement waterproof coating layer, a back water pressure waterproof coating layer and a cement mortar protective layer which are sequentially arranged on the inner side of the masonry wall.
The wall surface of the masonry wall is uneven, and a polymer waterproof mortar leveling layer needs to be coated so as to facilitate subsequent waterproof construction; the polymer cement waterproof coating layer is used as a main waterproof layer, the back water pressure waterproof coating layer can resist soil body lateral water pressure coating, the stability of the waterproof layer is ensured, the cement mortar protective layer plays a role in protecting the waterproof layer, and the using effect and the service life of the waterproof layer are ensured.
Furthermore, glass fiber cloth is arranged in the polymer cement waterproof coating layer.
The glass fiber cloth can improve the strength of the polymer cement waterproof coating.
Further, the thicknesses of the polymer waterproof mortar leveling layer, the polymer cement waterproof coating layer, the back water pressure waterproof coating layer and the cement mortar protective layer are respectively 10mm, 2mm and 15 mm.
Compared with the prior art, the utility model has the beneficial effects that: the utility model adopts a multiple waterproof line formed by 'surface-interior combination and comprehensive treatment', combines a pressure grouting technology with a surface treatment technology, adopts the pressure grouting of cement grout and chemical grout behind the wall, combines the chemical grout in the wall to fill cracks, and is assisted with the waterproof treatment of the back water surface, thereby effectively treating the large-area water leakage of the basement of the masonry structure and the basement of the general building and achieving the effective and stable waterproof effect.
Drawings
Fig. 1 is a sectional view of a masonry repair structure according to the present invention.
Fig. 2 is a partially enlarged view of a sectional view of a repairing structure of the masonry according to the present invention.
In the drawings are labeled: backfill soil layer-100, waterproof curtain-200, masonry wall-300, polymer waterproof mortar leveling layer-400, polymer cement waterproof coating layer-500, back water pressure waterproof coating layer-600 and cement mortar protective layer-700.
Detailed Description
The drawings are only for purposes of illustration and are not to be construed as limiting the utility model. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
As shown in fig. 1-2, a masonry structure basement leakage grouting repair structure comprises a masonry wall 300 having a plurality of cracks and a backfill layer 100 surrounding the outside and bottom of the masonry wall 300, and a waterproof curtain 200 between the masonry wall 300 and the backfill layer 100; the masonry wall 300 is provided with a plurality of first grouting holes (not shown in the figure), and the first grouting holes are filled with solidified plugging mortar; the first grout hole penetrates the entire masonry wall 300 and communicates with the waterproof curtain 200.
In the present invention, the inside of the masonry wall 300 is a back surface, i.e. the masonry wall 300 is in an indoor environment, and the surface of the backfill layer 100 is a facing surface, i.e. the backfill layer 100 is in an outdoor environment; the backfill soil layer 100 is often washed by water flow, and water seepage is easily caused; drilling a plurality of first grouting holes from the inner side of the masonry wall 300 to penetrate through the whole masonry wall 300, inputting slurry from the first grouting holes to penetrate into the backfill soil layer 100 close to one side of the masonry wall 300, filling holes formed by the backfill soil layer 100 due to water flow scouring, and after the slurry is solidified, forming the waterproof curtain 200 by the backfill soil layer 100 penetrated with the slurry, so that upstream water flow can be prevented from penetrating into a room, and an effective waterproof effect is achieved.
In this embodiment, the waterproof curtain 200 includes backfill soil, cured cement slurry filled in gaps of the backfill soil, and waterproof slurry filled in capillary pores of the backfill soil; the first grouting holes are distributed in the masonry wall 300 according to a quincunx pattern.
Cement slurry is injected into the backfill soil layer 100 close to one side of the masonry wall 300 through the first grouting holes, so that water seepage channels and cavities are filled, the silt foundation is reinforced, and underground water seepage is blocked; after the cement paste is solidified, the waterproof paste is injected through the first grouting channel, so that the waterproof paste is filled in each pore or capillary hole of the water seepage channel, which cannot be reached by the cement paste, and the water seepage path is blocked, thereby playing the roles of plugging and preventing seepage.
The cement paste is preferably an aqueous solution of a mixture of 32.5# ordinary portland cement and clay; after the clay is added into the cement, the colloid is full, so that the filling of the gaps of the soft soil foundation is facilitated. In addition, a proper amount of water glass can be added into the cement slurry to shorten the cement-based setting time.
The waterproof slurry is acrylate grouting material, which is hydrophilic gel based on acrylate and consists of two components, namely resin and initiator to form homogeneous grouting material. The viscosity is almost as low as that of water, and the rubber-like gel which has higher strength, can be expanded when meeting water and is impermeable can be formed after solidification.
The quincunx hole arrangement mode enables the first grouting holes to be uniformly distributed in the masonry wall 300, and during grouting, the grouting holes are arranged through reasonable hole positions, so that slurry can be fully diffused to reach each leakage point or hole, and the waterproof curtain 200 achieves a good waterproof effect.
In this embodiment, a plurality of second grouting holes are further disposed around the crack in the masonry wall 300, and the depth of the second grouting holes is two thirds of the thickness of the masonry wall 300; the second grouting hole is filled with solidified plugging mortar; and the second grouting holes are distributed at the periphery of the crack according to a quincunx pattern.
The waterproof curtain 200 can prevent water from permeating into the masonry wall 300 so as to prevent indoor leakage, and filling and plugging are performed on cracks of the masonry wall 300, so that the waterproof performance of the masonry structure can be further improved; specifically, chiseling the surface of masonry wall 300, arranging a plurality of second grout holes around the crack, filling the acrylic resin slurry through the second grout holes to the places where cracks and gaps in masonry wall 300 possibly cause leakage, and further promoting the waterproof effect of whole masonry wall 300 after solidification. And after the grouting of the acrylic resin slurry is finished, plugging the second grouting hole by using plugging mortar.
The second grouting holes are distributed at the periphery of the crack according to a quincunx pattern, so that the acrylic resin slurry can be uniformly diffused, and a better leaking stoppage effect is achieved.
In this embodiment, a waterproof layer of a back water surface is further disposed on the inner side of the masonry wall 300; the back water surface waterproof layer comprises a polymer waterproof mortar leveling layer 400, a polymer cement waterproof coating layer 500, a back water pressure waterproof coating layer 600 and a cement mortar protective layer 700 which are sequentially arranged on the surface of the masonry wall 300; the polymer cement waterproof coating layer 500 is also provided with glass fiber cloth.
The inside of masonry wall 300 is as indoor wall, establishes the surface of a poor water waterproof layer on its surface, as last waterproof line, promotes masonry structure's water-proof effects further. Specifically, a polymer waterproof mortar leveling layer 400 is coated on the masonry wall 300, so that waterproof construction can be performed better in the following; the polymer cement waterproof coating layer 500 serves as a main waterproof layer, the back water pressure waterproof coating layer 600 can resist soil lateral water pressure coatings, the stability of the waterproof layer is ensured, and the cement mortar protective layer 700 plays a role in protecting the waterproof layer, so that the using effect and the service life of the waterproof layer are ensured. The glass fiber cloth can improve the strength of the polymer cement waterproof coating.
In this embodiment, the thicknesses of the polymer waterproof mortar leveling layer 400, the polymer cement waterproof coating layer 500, the back water pressure waterproof coating layer 600 and the cement mortar protective layer 700 are 10mm, 2mm and 15mm, respectively.
During construction, the wall is first grouted. Drilling a plurality of first grouting holes on the inner side surface of the masonry wall 300 to penetrate through the whole masonry wall 300, wherein the first grouting holes are distributed according to a quincunx pattern, cement slurry is injected through the first grouting holes, the cement slurry permeates into a backfill soil layer 100 close to one side of the masonry wall 300, gaps and holes in the backfill soil layer 100 are filled, after the cement slurry is solidified, acrylate grouting material is injected through the first grouting holes, capillary holes or fine gaps which cannot be permeated by the cement slurry are filled, a waterproof curtain 200 is formed by the first grouting holes, the backfill soil layer 100 and the cement slurry, and upstream water flow is prevented from permeating; and (4) finishing the grouting after the wall, taking out the grouting nozzle in the first grouting hole, and plugging the first grouting hole by adopting plugging mortar.
Next, a grouting is performed into the wall. Cutting cracks in the masonry wall 300, arranging second grouting holes at the peripheries of the cracks, arranging the second grouting holes according to a quincunx pattern, wherein the depth of the second grouting holes is two thirds of that of the masonry wall 300, injecting acrylic resin slurry into the masonry wall 300 through the second grouting holes, and filling the cracks and gaps in a penetrating manner, so that the overall waterproof effect of the masonry wall 300 is improved; and the second grouting hole is also blocked by adopting plugging mortar after grouting is finished.
And finally, laying a waterproof layer on the back water surface. After grouting is completed behind and in the wall, the surface of the masonry wall 300 is smoothed and a waterproof layer is constructed.
In the embodiment, multiple waterproof lines formed by 'surface-interior combination and comprehensive treatment' are adopted, the pressure grouting technology and the surface treatment technology are combined, cement grout and chemical grout are injected under pressure behind the wall, the cracks are filled by the chemical grout in the wall, and then the waterproof treatment of the back water surface is assisted, so that the large-area water leakage of the basement of the masonry structure and the basement of the common building can be effectively treated, and the effective and stable waterproof effect is achieved.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention claims should be included in the protection scope of the present invention claims.
Claims (9)
1. A masonry structure basement leakage grouting repairing structure is characterized by comprising a masonry wall with a plurality of cracks, a backfill soil layer surrounding the outer side and the bottom of the masonry wall, and a waterproof curtain between the masonry wall and the backfill soil layer; the masonry wall is provided with a plurality of first grouting holes, and the first grouting holes are filled with solidified plugging mortar; the first grouting hole penetrates through the whole masonry wall and is communicated with the waterproof curtain.
2. The masonry structure basement seepage grouting repair structure according to claim 1, wherein the waterproof curtain comprises backfill soil, cured cement paste filled in gaps of the backfill soil and waterproof paste filled in capillary holes of the backfill soil.
3. The masonry structure basement leakage grouting repair structure according to claim 1, wherein the first grouting holes are arranged in a quincunx pattern in the masonry wall.
4. The masonry structure basement leakage grouting repair structure according to claim 1, wherein a plurality of second grouting holes are further arranged at the periphery of the cracks in the masonry wall, and the depth of each second grouting hole is two thirds of the thickness of the masonry wall; and the second grouting hole is filled with solidified plugging mortar.
5. The masonry structure basement seepage grouting repair structure of claim 4, wherein the second grouting holes are arranged in a quincunx pattern around the crack.
6. The basement leakage grouting repair structure for masonry structures according to any one of claims 1 to 5, wherein a water-proof layer is further arranged on the inner side of the masonry wall.
7. The masonry structure basement seepage grouting repair structure of claim 6, wherein the back water waterproof layer comprises a polymer waterproof mortar leveling layer, a polymer cement waterproof coating layer, a back water pressure waterproof coating layer and a cement mortar protective layer which are sequentially arranged on the inner side of the masonry wall.
8. The masonry structure basement seepage grouting repair structure of claim 7, wherein a fiberglass cloth is further arranged in the polymer cement waterproof coating layer.
9. The masonry structure basement seepage grouting repair structure of claim 8, wherein the polymer waterproof mortar leveling layer, the polymer cement waterproof coating layer, the back water pressure waterproof coating layer and the cement mortar protective layer have thicknesses of 10mm, 2mm and 15mm respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122075891.5U CN215669744U (en) | 2021-08-30 | 2021-08-30 | Masonry structure basement seepage slip casting repair structure |
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| CN202122075891.5U CN215669744U (en) | 2021-08-30 | 2021-08-30 | Masonry structure basement seepage slip casting repair structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114525800A (en) * | 2022-02-28 | 2022-05-24 | 苏州佳固士新材料科技有限公司 | Leakage treatment method for basement raft plate |
| CN114837451A (en) * | 2022-05-09 | 2022-08-02 | 北京漏邦房屋修缮工程有限公司 | Water stop structure for maintaining leakage water of brick-concrete masonry structure and construction method |
| CN115467549A (en) * | 2022-09-13 | 2022-12-13 | 中国一冶集团有限公司 | Repairing method for deep foundation pit basement exterior wall curtain combined with shallow grouting |
-
2021
- 2021-08-30 CN CN202122075891.5U patent/CN215669744U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114525800A (en) * | 2022-02-28 | 2022-05-24 | 苏州佳固士新材料科技有限公司 | Leakage treatment method for basement raft plate |
| CN114837451A (en) * | 2022-05-09 | 2022-08-02 | 北京漏邦房屋修缮工程有限公司 | Water stop structure for maintaining leakage water of brick-concrete masonry structure and construction method |
| CN115467549A (en) * | 2022-09-13 | 2022-12-13 | 中国一冶集团有限公司 | Repairing method for deep foundation pit basement exterior wall curtain combined with shallow grouting |
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Address after: 703b, block C, Xiangnian Plaza, Qiaoxiang Road, Shahe street, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: Keshun Building Repair Technology Co.,Ltd. Address before: 703b, block C, Xiangnian Plaza, Qiaoxiang Road, Shahe street, Nanshan District, Shenzhen, Guangdong 518000 Patentee before: Guangdong Keshun repair Construction Technology Co.,Ltd. |
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