CN110056203B - Method for treating water leakage of ground structure - Google Patents
Method for treating water leakage of ground structure Download PDFInfo
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- CN110056203B CN110056203B CN201910234201.0A CN201910234201A CN110056203B CN 110056203 B CN110056203 B CN 110056203B CN 201910234201 A CN201910234201 A CN 201910234201A CN 110056203 B CN110056203 B CN 110056203B
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- E—FIXED CONSTRUCTIONS
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- 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
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Abstract
The invention provides a method for treating water leakage of a ground structure, which comprises the steps of dividing the top surface of a decorative surface layer into at least two areas, and obtaining the water leakage area where the water leakage position is located according to the water leakage position of underground water on the top surface of the decorative surface layer; in the water leakage area, a plurality of first holes are formed downwards from the top of the decorative surface layer, and the hole bottoms of the first holes extend into the bonding layer; and finally, filling a first waterproof plugging material into the inner cavity of at least the first part of all the first holes, which is positioned below the decorative surface layer. A continuous waterproof area is formed at the bonding layer in the area where the water leakage position is located, underground water cannot enter the bonding layer from a crack of the structural layer, and further moisture, humidity and the like cannot enter the decorative surface layer; the water leakage and plugging work can be finished without dismantling the decoration panel in the water leakage area, so that the construction time and the construction cost are saved; the waterproof and leak-stopping effect is good.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a method for treating water leakage of a ground structure.
Background
Water leakage often occurs in a floor structure during use, for example, a basement floor structure. The basement bottom plate is divided into two layers: the water leakage of the bottom plate is usually formed by the cracks of the structural layer and permeates into the combined layer between the structural layer and the decorative surface layer, and the combined layer is made of fine aggregate concrete or other concrete; the anchor coat between architectural surface and the bottom plate structural layer can take place phenomenons such as deformation, shrink or shelling after using a period of time and then the crack appears in anchor coat department, and groundwater can be oozed the crack of architectural surface by the anchor coat gap again, oozes ground from the gap department of architectural surface again, causes basement ground seepage.
The current basement ground leakage stopping main construction method is that firstly, the decorative surface layer of the basement ground leakage area is integrally dismantled, then, the reinforced concrete structure layer of the basement bottom plate is subjected to crack inspection, cracks on the bottom plate are found, then grouting is carried out to the cracks for leakage stopping, and then, the decorative surface layer is poured again, so that all leakage stopping work is completed.
However, the basement ground leakage stopping method is large in workload, time-consuming and labor-consuming because the decorative surface layer is integrally dismantled, and the decorative surface layer is poured again after the bottom plate cracks are grouted and stopped.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects of large workload, time and labor consumption of water leakage and plugging of the ground structure in the prior art.
Therefore, the invention provides a method for treating water leakage of a ground structure, wherein the ground structure comprises a structural layer, a bonding layer and a decorative surface layer which are sequentially arranged on a foundation from bottom to top, the bonding layer is used for fixedly connecting the structural layer and the decorative surface layer, and the method comprises the following steps:
s1: dividing the top surface of a decorative surface layer into at least two areas, and forming a plurality of horizontally spaced second holes from the top of the decorative surface layer downwards on each edge of each area, wherein the bottoms of the second holes at least penetrate through the bottom of the decorative surface layer;
filling a second waterproof plugging material into each second hole;
at least one third hole is formed downwards in the middle of each area of the decorative surface layer; the second waterproof plugging material is waterproof slurry; after filling waterproof slurry into each second hole, in the step S1, observing whether water leaks from the third hole after the waterproof slurry in the second hole is coagulated, wherein if water leaks from the third hole, the water leaking position falls in the area where the third hole is located;
s2: in the area where the water leakage position is located, a plurality of first holes which are formed downwards from the top of the decorative surface layer and are spaced on the horizontal plane are formed, and the hole bottoms of the first holes at least extend into the bonding layer;
s3: and filling a first waterproof plugging material into at least the inner cavity of a first part of all the first holes, which is positioned below the decorative surface layer.
Alternatively, in the method for treating water leakage in a floor structure, in the step S2, the bottom of the first hole is extended into the structural layer through the bonding layer.
Optionally, in the above method for treating water leakage of a ground structure, the ground structure further includes a cushion layer disposed between the foundation and the structural layer, and a bonding layer for fixing the cushion layer and the structural layer;
in step S2, penetrating the bottom of the first hole through the structural layer and into at least the bonding layer;
in the step S3, the first waterproof and leak-stopping material is injected into the adhesive layer through the first hole.
Optionally, in the method for treating water leakage of a ground structure, the first waterproof plugging material is waterproof slurry.
Optionally, in the above processing method for water leakage of a floor structure, in the step S3, a waterproof slurry is injected into an inner cavity of a first portion of the first hole located below the decorative surface layer, and after the waterproof slurry is solidified, an inorganic cementitious slurry is injected into an inner cavity of a second portion of the first hole located in the decorative surface layer.
Optionally, in the method for treating water leakage of a floor structure, the waterproof slurry is any one of acrylic, polyurethane, modified epoxy, silicate slurry, or a mixture of at least two of the acrylic, polyurethane, modified epoxy and silicate slurry; and/or
The inorganic gelled slurry is quick-setting inorganic gelled slurry.
Optionally, in the above processing method for water leakage of a floor structure, in the step S3, the first waterproof plugging material is injected into the inner cavity of the first portion of the first hole by an injection method, and an injection pressure P1 of the first waterproof plugging material satisfies:
P2＜P1less than or equal to 2MPa, wherein, P2Is the leakage water pressure.
Optionally, in the above method for treating water leakage from a ground structure, in the step S3, the first waterproof plugging material is loaded into the syringe in advance, the grouting needle is inserted into the inner cavity of the first portion of the first hole, and the first waterproof plugging material is injected.
Optionally, in the method for treating water leakage of a ground structure, the area is in a grid shape, and two adjacent first holes are arranged at equal intervals.
The technical scheme of the invention has the following advantages:
1. the invention provides a method for treating water leakage of a ground structure, which comprises the steps of dividing the top surface of a decorative surface layer into at least two areas, and judging that the water leakage position falls in the area of the top surface of the decorative surface layer according to the water leakage position of underground water on the top surface of the decorative surface layer; in the area where the water leakage position is located, a plurality of first holes which are formed downwards from the top of the decorative surface layer and are spaced on the horizontal plane are formed, and the hole bottoms of the first holes extend into the bonding layer; and finally, filling a first waterproof plugging material into the inner cavity of at least the first part of all the first holes, which is positioned below the decorative surface layer.
The method for treating the water leakage of the ground structure comprises the steps of judging the water leakage position on a structural layer, forming a plurality of first holes in the top of a decorative layer in the area where the water leakage position is located, filling at least first waterproof plugging materials into the first holes, filling gaps, cracks and the like in a bonding layer by the first waterproof plugging materials, forming a continuous waterproof area at the bonding layer in the area where the water leakage position is located, and preventing moisture, humidity and the like from entering the bonding layer from the cracks of the structural layer so as to prevent the moisture, humidity and the like from entering a decorative surface layer; the water leakage and plugging work can be finished without dismounting the decoration panel in the water leakage area, and the construction time and the construction cost are saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of a basement floor leak provided in embodiment 1 of the present invention;
fig. 2 is a mesh division diagram of a water leakage position for basement floor water leakage determination provided in embodiment 1 of the present invention;
fig. 3 is a schematic view of the arrangement of the basement floor water leakage stopping points provided in embodiment 1 of the invention;
fig. 4 is a schematic view of the waterproof slurry injected into the basement ground water leakage area provided in embodiment 1 of the present invention;
fig. 5 is a schematic view of the waterproof slurry injected into the basement ground water leakage area provided in embodiment 1 of the present invention;
fig. 6 is a mesh division diagram provided in the modified embodiment of embodiment 1 of the present invention.
Description of reference numerals:
1-a ground layer; 2-cushion layer; 3-a tie layer; 4-structural layer; 5-a bonding layer; 6-decorating a surface layer; 7-a first hole; 71-a first part; 72-second part; 8-a second well; 9-a third aperture; 10-basement column.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
In this embodiment, as shown in fig. 1, the ground structure in this embodiment is a basement ground structure, and includes a structural layer 4, a bonding layer 5 and a decorative surface layer 6, which are sequentially disposed on a foundation layer 1 from bottom to top, where the bonding layer 5 is used to connect the structural layer 4 and the decorative surface layer 6. The water leakage of the basement usually occurs because a crack occurs on the structural layer 4, the groundwater enters the combining layer 5 through the crack of the structural layer 4, the groundwater entering the combining layer 5 flows in the combining layer 5 towards the left and the right directions along the crack of the structural layer 4 due to the defects of hollowing, gaps and the like in the combining layer 5 (the water seepage path is the direction indicated by the arrow in figure 1), and the groundwater finally seeps out of the basement decorative surface layer 6 from the crack of the decorative surface layer 6, so that the water seepage or water leakage occurs on the basement ground.
The processing method of the embodiment comprises the following steps:
s1: adopt rectangle net to divide into the different regions of a plurality of the same size with the decorative layer top surface in the region of leaking, as shown in fig. 2, the axis of rectangle net can set up along basement post 10's direction, the location unwrapping wire of the net of being convenient for sets up a plurality of second hole 8 downwards on every rectangular edge, a plurality of second hole 8 sets up at every edge interval of rectangle, the degree of depth in every second hole 8 is greater than or equal to the thickness of decorative cover 6.
For example, each second hole 8 is a circular hole with a diameter of 14mm, and the depth of each second hole 8 is 2cm greater than the thickness of the decorative surface layer 6.
Then, injecting a second waterproof plugging material into each second hole 8, wherein the second waterproof plugging material is specifically waterproof slurry; the waterproof slurry injected into the second holes has fluidity and can flow and permeate from the second holes to adjacent positions along the radial direction, so that the positions between the two adjacent second holes can be filled, after the waterproof slurry is condensed, the second holes and the positions between the two adjacent second holes can be filled, isolation belts are formed on the edges where the second holes of different areas are located, the two adjacent areas are isolated, the thickness of each isolation belt is the depth of the first hole, namely, a continuous water stop grid belt is formed under the decorative surface layer 6, even if the structural layer leaks, at the moment, the underground water can only seep from the inside of the water stop grid belt (namely, the inside of each area) through the structural layer, and the water leakage position on the structural layer is judged.
Then, a third hole 9 is opened in the middle of each rectangular grid, the water outlet condition of the third hole 9 in each rectangular grid is observed after a certain time (for example, after 48 hours), and which third hole 9 in each rectangular grid has water outlet is determined, that is, the water leakage position on the structural layer 4 is located in the rectangular grid where the third hole is located.
For example, if water is discharged from the third hole 9 in the grid a in fig. 2, it is determined that the water leakage position is located below the grid a, and it is determined that the grid a is the area where the water leakage position is located, that is, the grid a is the water leakage grid.
Then, the process proceeds to step S2: a plurality of first holes 7 are formed downwards in the water leakage grid, the plurality of first holes 7 are horizontally arranged in the water leakage grid at intervals, for example, two adjacent first holes 7 are arranged at equal intervals, the hole bottom of each first hole 7 extends into the bonding layer 5, for example, each first hole 7 is a round hole with the diameter of 14mm, and the hole depth of each first hole 7 is 2cm larger than the thickness of the decorative surface layer 6; as shown in fig. 5, the portion of each first hole 7 located below the decorative surface layer 6 is a first portion 71, and the portion located in the decorative surface layer 6 is a second portion 72.
The first waterproof plugging material is filled into the grouting needle cylinder in advance, then the grouting needle head is placed into the first hole 7, and then the first waterproof plugging material is injected into the inner cavity of the first part 71 of each first hole 7, specifically, the first waterproof plugging material is waterproof slurry, for example, the waterproof slurry can be any one of acrylic, polyurethane, modified epoxy, silicate and the like, or a mixture of any two or more of the above. Specifically, the acrylic slurry may be acrylate, the polyurethane slurry may be oil-based polyurethane grouting liquid or water-based polyurethane grouting liquid, and the modified epoxy slurry is modified epoxy resin grouting liquid. The first waterproof plugging material and the second waterproof plugging material can be the same material or different materials.
According to formula P2＝HΔ100 calculation of the leakage Water pressure (where P2Is the leakage water pressure in MPa, HΔThe difference in height between the groundwater level and the top surface of the veneer layer, the water column pressure of the difference in height being the osmotic pressure, since the pressure corresponding to a 100 m water column is about 1MPa), the injection pressure P of the waterproof slurry into the cavity of the first part 71 is set to be the injection pressure P1Should satisfy P2＜P1Less than or equal to 2MPa, and prevents the damage caused by the jacking of the decorative surface layer due to overlarge grouting pressure. After the waterproof paste is injected into the inner cavity of the first portion 71, the paste flows in the left and right directions (as shown in fig. 4) along the hole bottom position of the first hole 7 to fill the voids or cracks and the like in the entire bonding layer 5.
Finally, step S3 is entered: after the slurry in the bonding layer 5 is solidified, i.e. the slurry loses plasticity and does not flow, the grouting needle is removed, the residual waterproof slurry in the first hole 7 is cleaned, and then an inorganic cementing material, for example, a quick-setting inorganic cementing material, is injected into the inner cavity of the second part 72 of the first hole 7. And finishing the water leakage treatment steps of all the basement structures after the rapid-hardening inorganic cementing material is fully solidified. The quick-setting inorganic cementing material is preferably quick-setting plugging cement.
After the basement structure is treated according to the treatment method of the embodiment, a continuous waterproof area is formed at the combined layer 5 in the water leakage area, the underground water cannot enter the combined layer 5 from the crack of the structure layer 4, and further cannot enter the decorative surface layer 6; the water leakage and plugging work can be finished without dismantling the decoration panel in the water leakage area, so that the construction time and the construction cost are saved; in the prior art, only one gap in the structural layer is blocked in the process of blocking the gap, and when secondary cracks occur in the structural layer, the decorative surface layer and the combined layer, pressurized underground water can also permeate into the cracks of the combined layer along the structural layer and then permeate into the cracks of the surface layer from the cracks of the combined layer, so that the probability of secondary water seepage of the ground structure is high; the treatment method of the embodiment has good waterproof and leaking stoppage effects, and when the structural layer 4 cracks again or for multiple times, because gaps and cracks in the bonding layer in the water leakage area are blocked, the probability that the bonding layer generates gaps and cracks again is low, so that the water seepage phenomenon when the structural layer cracks again can be reduced.
As a first alternative to example 1, the axes of the rectangular grid may also not be arranged along the basement column 10, as shown in fig. 6, the axes of the rectangular grid may be arranged offset from the direction of the basement column 10.
As a second alternative embodiment of example 1, in step S1, rectangular meshes may be replaced with meshes having a shape of a square, a triangle, a pentagon, a hexagon, or the like, and the shape of each mesh is not limited, as long as the top of the decorative surface layer 6 in the water leakage region is divided into a plurality of small regions by using a mesh dividing method, a plurality of second holes 8 are formed in the axis of each mesh, and then the waterproof slurry is injected into the second holes 8, and the waterproof slurry is condensed to form a continuous water-stopping mesh belt.
As a further variation, the adjacent two first holes 7 may not be arranged at equal intervals, as long as the waterproof slurry flowing into the first holes 7 can flow and condense at the bonding layer 5, forming a continuous waterproof region at the bonding layer 5.
As a third alternative embodiment of example 1, the third hole 9 may not be formed in the middle of the decorative surface layer 6, and after the waterproof slurry is injected into the second hole 8 to form a continuous water-stop mesh belt, water seepage in each mesh is directly observed, and which mesh has water seepage, that is, the position of water seepage is determined to be in the mesh.
As a fourth alternative embodiment of example 1, it is also possible to inject the waterproof paste directly into the first portion 71 of the first hole 7 and to inject the quick-setting inorganic gelling material directly into the internal cavity of the second portion 72, without using a grouting needle. The quick-setting inorganic cementing material can also be quick-setting concrete, and other inorganic cementing materials can also be adopted, and the setting time is not limited, such as cement, concrete or other slurry of any type.
As a fifth alternative embodiment of example 1, the first waterproof plugging material can also be a plugging agent, such as water glass, a plugging agent, a waterproof agent, a time-keeping agent, a water-tight agent, and the like.
Example 2
The present embodiment provides a method for treating water leakage from a floor structure, which is different from the method for treating water leakage from a floor structure of embodiment 1 in that:
in the step S2, the bottoms of the first holes 7 extend into the structural layer 4, and then waterproof slurry is injected into the cavities of the first portions 71 of all the first holes 7 located below the bonding layer 5, the waterproof slurry flows in the structural layer 4 and gradually loses plasticity to be condensed, so that gaps or cracks in the structural layer 4 are filled, a continuous waterproof area is formed at the structural layer 4 in the water leakage area, and groundwater cannot penetrate into the bonding layer 5 from the cracks of the structural layer 4; and finally, injecting a quick-setting inorganic cementing material into the inner cavities of the second parts 72 of all the first holes 7, which are positioned above the structure layer 4, and completing the water leakage treatment steps of all the basement structures after the quick-setting inorganic cementing material is fully solidified. The water leakage and plugging work can be finished without dismantling the decoration panel in the water leakage area, so that the construction time and the construction cost are saved; the waterproof and leak-stopping effect is good, and when the structural layer 4 is cracked again or for many times, underground water, moisture and the like can not enter the bonding layer 5 from the bonding layer 3.
Example 3
The present embodiment provides a method for treating water leakage from a floor structure, which is different from the method for treating water leakage from a floor structure of embodiment 1 in that:
the basement ground structure also comprises a cushion layer 2 and a bonding layer 3 which are sequentially arranged between the basement layer 1 and the structural layer 4 from bottom to top, in the step S2, the bottom of the first hole 7 extends into the cushion layer 2, then waterproof slurry is injected into the inner cavities of the first parts 71, located below the structural layer 4, of all the first holes 7, the waterproof slurry flows in the bonding layer 3 and gradually loses plasticity to be condensed, gaps, cracks and the like in the bonding layer 3 are filled, a continuous waterproof area is formed at the bonding layer 3 in the water leakage area, underground water cannot enter the bonding layer 3 from the cushion layer 2, finally quick-setting inorganic cementing materials are injected into the inner cavities of the second parts 72, located above the structural layer 4 and the structural layer 4, of all the first holes 7, and after the quick-setting inorganic cementing materials are fully solidified, the water leakage treatment step of all the basement structure is completed. The water leakage and plugging work can be finished without dismantling the decoration panel in the water leakage area, so that the construction time and the construction cost are saved; the waterproof and leak-stopping effect is good, and when the structural layer 4 cracks again or for many times, underground moisture, humidity and the like can not enter the structural layer 4 from the cushion layer 2.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (9)
1. A method for treating water leakage of a ground structure, wherein the ground structure comprises a structural layer (4), a bonding layer (5) and a decorative surface layer (6) which are sequentially arranged on a foundation from bottom to top, the bonding layer (5) is used for fixedly connecting the structural layer (4) with the decorative surface layer (6), and the method is characterized by comprising the following steps:
s1: dividing the top surface of a decorative surface layer (6) into at least two areas, wherein a plurality of horizontally spaced second holes (8) are formed in each edge of each area from the top of the decorative surface layer (6) downwards, and the bottoms of the second holes (8) at least penetrate through the bottom of the decorative surface layer (6);
filling a second waterproof plugging material into each second hole (8);
at least one third hole (9) is formed downwards in the middle of each area of the decorative surface layer (6); the second waterproof plugging material is waterproof slurry; after filling each second hole (8) with waterproof slurry, in the step S1, observing whether water leakage occurs in the third hole (9) after the waterproof slurry in the second hole (8) is coagulated, wherein if water leakage occurs in the third hole (9), the water leakage position falls in the area where the third hole (9) is located; s2: in the area of the water leakage position, a plurality of first holes (7) which are horizontally spaced are formed downwards from the top of the decorative surface layer (6), and the bottoms of the first holes (7) at least extend into the combined layer (5);
s3: and filling a first waterproof plugging material into at least the inner cavity of a first part (71) of all the first holes (7) below the decorative surface layer (6).
2. A method for treating water leakage from floor structure according to claim 1, wherein in step S2, the bottom of the first hole (7) is extended into the structure layer (4) through the bonding layer.
3. The method for treating the water leakage of the ground structure according to claim 2, wherein the ground structure further comprises a cushion layer (2) arranged between the foundation and the structural layer (4), and a bonding layer (3) for fixing the cushion layer (2) and the structural layer (4);
in the step S2, making the bottom of the first hole (7) penetrate through the structural layer (4) and at least extend into the bonding layer (3);
and in the step S3, injecting the first waterproof and leak-stopping material into the bonding layer (3) through the first hole (7).
4. A method for treating water leakage of ground structure according to any of claims 1-3, wherein the first waterproof plugging material is waterproof slurry.
5. The method for treating water leakage in floor structure according to claim 4, wherein in step S3, a waterproof slurry is injected into the inner cavity of the first portion (71) of the first hole (7) below the decorative surface layer (6), and after the waterproof slurry is solidified, an inorganic gel slurry is injected into the inner cavity of the second portion (72) of the first hole (7) in the decorative surface layer (6).
6. The method for treating water leakage of floor structure according to claim 5, wherein said waterproof slurry is any one of acrylic, polyurethane, modified epoxy, silicate slurry, or a mixture of at least two of them; and/or
The inorganic gelled slurry is quick-setting inorganic gelled slurry.
7. The method for treating water leakage of ground structure according to any one of claims 1-3, wherein in the step S3, the first waterproof and plugging material is injected into the inner cavity of the first part (71) of the first hole (7) by injection, and the injection pressure P1 of the first waterproof and plugging material satisfies:
p2 is more than or equal to P1 and less than or equal to 2MPa, wherein P2 is the leakage water pressure.
8. The method for treating water leakage from floor structure according to claim 7, wherein in the step S3, the first waterproof and leak-stopping material is loaded into the syringe in advance, the grouting needle is inserted into the inner cavity of the first portion (71) of the first hole (7), and the first waterproof and leak-stopping material is injected.
9. A method for treating water leakage from a floor structure according to any one of claims 1-3, wherein said area is in the form of a grid, and two adjacent first holes (7) are arranged at equal intervals.
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