CN111779303A - Grouting plugging construction method - Google Patents
Grouting plugging construction method Download PDFInfo
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- CN111779303A CN111779303A CN202010631064.7A CN202010631064A CN111779303A CN 111779303 A CN111779303 A CN 111779303A CN 202010631064 A CN202010631064 A CN 202010631064A CN 111779303 A CN111779303 A CN 111779303A
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- grouting
- water
- water outlet
- time
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0203—Arrangements for filling cracks or cavities in building constructions
- E04G23/0211—Arrangements for filling cracks or cavities in building constructions using injection
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/001—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing unburned clay
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/70—Grouts, e.g. injection mixtures for cables for prestressed concrete
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/72—Repairing or restoring existing buildings or building materials
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The application relates to a grouting plugging construction method, which comprises the following steps: step S1, selecting a test area; step S2, drilling a test grouting hole at the crack of the test area, injecting water into the water stopping needle head through a high-pressure grouting machine, and recording the water outlet time of a water outlet point as T1; step S3, ventilating the water stopping needle; step S4, pouring grouting liquid into the water stopping needle head, recording the time of the grouting liquid reaching a water outlet point as T2, and calculating the ratio of T2 to T1 as N; step S5, drilling grouting holes at the cracks, injecting water into the water stopping needle head through a high-pressure grouting machine, and recording the time of water outlet of the last water outlet point as T3; step S6, plugging other water outlet points by a mortar waterproof agent; step S7, pouring grouting liquid into the water stopping needle, wherein the pouring time is T3N; step S8, pull down the stagnant water syringe needle, scribble lost circulation material in the position of demolising, this application has the effect of improving wall body lost circulation effect, extension stagnant water time.
Description
Technical Field
The application relates to the field of waterproof technology, in particular to a grouting plugging construction method.
Background
When a gap occurs in a building, water leakage is likely to occur due to various reasons. The water leakage of the building is mainly caused by improper concrete construction and incompact concrete, and the defects of cracks, honeycombs, holes and the like become main channels of water leakage. Some adopt precast concrete floor, because self fracture or board seam appear the crack, also cause the water leakage very easily.
The existing method for repairing the water leakage of the building mainly comprises the steps of gap filling treatment, brushing waterproof paint again, direct surface treatment and the like.
In view of the above-mentioned related technologies, the inventors believe that although some effects are obtained, these methods are not fundamental, and do not fundamentally block the water leakage path, and the long-term effect is not ideal.
Disclosure of Invention
In order to improve the wall body leaking stoppage effect, the application provides a grouting leaking stoppage construction method.
The grouting plugging construction method provided by the application adopts the following technical scheme:
a grouting plugging construction method comprises the following steps:
step S1, selecting a water seepage area with the water seepage range smaller than 1 square as a test area;
step S2, drilling a test grouting hole at the crack of the test area, burying a water stopping needle head in the test grouting hole, injecting water into the water stopping needle head through a high-pressure grouting machine, observing the condition of a water outlet point, and recording the water outlet time of the water outlet point as T1;
step S3, ventilating the water stopping needle head by a high pressure fan to extrude water in the gap;
step S4, pouring grouting liquid into the water stopping needle head by using a high-pressure grouting machine, observing the condition of the grouting liquid at a water outlet point, recording the time when the grouting liquid reaches the water outlet point as T2, and calculating the ratio of T2 to T1 as N;
s5, positioning a crack at a position with serious leakage, drilling a grouting hole at the crack, burying a water stopping needle head in the grouting hole, injecting water into the water stopping needle head through a high-pressure grouting machine, observing the conditions of water outlet points, recording the water outlet time of the last water outlet point in a plurality of water outlet points as T3, and sequentially marking the water outlet time by Arabic numerals according to the water outlet time of the water outlet points;
step S6, plugging other water outlet points except the water outlet point of the last water outlet by a mortar waterproof agent;
step S7, pouring grouting liquid into the water stopping needle head through a high-pressure grouting machine, wherein the pouring time is T3N;
and step S8, detaching the water stopping needle head, and smearing a plugging material at the detaching position for plugging the grouting hole.
By adopting the technical scheme, the approximate time ratio of grouting to water injection is calculated by carrying out water injection and grouting operation in a test area with a small area, then the water injection is transferred to a large-area water leakage area, water is injected into the wall body firstly, on one hand, the time of water flow reaching each water outlet point along a crack is calculated, the water outlet position is marked, on the other hand, the time is used as a pouring time base number and multiplied by the time ratio N calculated by the test area, the approximate time required by grouting can be obtained, and finally, grouting and plugging are finished by plugging a grouting hole.
Preferably, the grouting liquid comprises, by weight, 27.5% of deionized water, 2.5% of 9020 dispersant, 0.3% of mineral oil defoamer, 2.5% of propylene glycol, 1.5% of cellulose powder, 1.0% of film-forming aid, 34.5% of water-based acrylate emulsion, 0.2% of dimethylethanolamine, 15% of titanium dioxide, 3% of kaolin, 2% of diatom ooze and 10% of zeolite powder.
By adopting the technical scheme, the zeolite powder is added into the grouting liquid, so that the grouting liquid has certain water absorption after solidification, when a small amount of water seeps into the wall after long-term use, a part of water can be absorbed by the zeolite powder, and the water-based acrylate emulsion has good filling property and can tightly fill the gaps of the wall.
Preferably, the grouting hole is formed to be inclined to the wall surface in step S5, and the grouting hole penetrates through the crack.
Through adopting above-mentioned technical scheme, the slip casting hole slope can be so that the slip casting hole is certain angle with the crack and intersects to it is more firm when the installation stagnant water syringe needle.
Preferably, in step S5, a plurality of grouting holes are opened, and the distance between adjacent grouting holes is 1-1.5 m.
Through adopting above-mentioned technical scheme, when the regional area of leaking is great, through seting up a plurality of injected holes, can be so that the slip casting filling effect is better, reduce the thick liquid because the unable circumstances that reaches of path overlength.
Preferably, after the grouting time is reached in step S7, the pressure is maintained for 2 min.
Through adopting above-mentioned technical scheme, resume with constant pressure slip casting 2 minutes after the slip casting time is accomplished, can be so that the slip casting is more abundant, and further extrudees the consolidation to thick liquid in the crack for it is better to fill the effect.
Preferably, step S9 is provided after step S8 is completed, and the sealing treatment is performed on the sealing site with acrylic or waterproof transparent adhesive.
Through adopting above-mentioned technical scheme, seal the shutoff position of stagnant water syringe needle through acrylic acid or waterproof transparent adhesive tape, promote water-proof effects.
Preferably, in step S5, the crack is first sealed by quick-setting cement, and a space for grouting holes is reserved at the position where the hole needs to be punched.
By adopting the technical scheme, the crack is sealed and repaired by the quick-drying cement before water injection, so that the direct outflow from the crack during subsequent water injection can be avoided.
Preferably, in step S5, a plurality of water outlets are marked and connected, and after the grouting in step S7 is completed, the wall surface is irradiated and baked by infrared lamps along the connection path of the water outlets.
By adopting the technical scheme, the water outlet points are marked to be connected with each other, so that the approximate path of the crack is marked, and when the infrared lamp is used for baking the wall surface, the grouting liquid can be accurately heated, so that the solidification of the grouting liquid is accelerated.
Preferably, the range of the infrared lamp baked along the connecting line is about 30CM of the connecting line.
Through adopting above-mentioned technical scheme, because the crack is the curve of buckling generally between two play water points, consequently increase the toasting scope of infrared lamp for toast more thoroughly, the solidification effect of slip casting liquid is better.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the method comprises the steps of firstly carrying out water injection and grouting operation in a test area with a small area, calculating the approximate time ratio of grouting to water injection, then transferring to a large-area water leakage area, injecting water into a wall body, calculating the time of water flow reaching each water outlet point along a crack and marking the water outlet position, multiplying the time by the time ratio N calculated by the test area as a pouring time base number, obtaining the approximate time required by grouting, and finally plugging a grouting hole to finish grouting and leaking stoppage;
2. the zeolite powder is added into the grouting liquid, so that the grouting liquid has certain water absorption after solidification, when a small amount of water seeps into the wall after long-term use, a part of water can be absorbed through the zeolite powder, and the water-based acrylate emulsion has good filling property and can tightly fill the gaps of the wall.
Detailed Description
The present application is described in further detail below.
The embodiment of the application discloses a grouting plugging construction method. The method comprises the following steps of S1, selecting a water seepage wall surface with a water seepage area smaller than 1 square meter as a test area;
step S2, finding a crack of a test area, drilling a test grouting hole at the crack of the test area, burying a water stopping needle head in the test grouting hole, injecting water into the water stopping needle head through a high-pressure grouting machine, observing the condition of a water outlet point, and recording the water outlet time of a certain water outlet point as T1;
step S3, ventilating the water stopping needle head by a high pressure fan to extrude water in the gap;
step S4, pouring grouting liquid into the water stopping needle head by using a high-pressure grouting machine, observing the condition of the grouting liquid at a water outlet point, recording the time of the grouting liquid reaching the same water outlet point as the water outlet point in the step S2 as T2, calculating the ratio of T2 to T1 and recording the ratio as N;
s5, positioning a crack at a position with serious leakage, sealing and repairing the crack by quick-drying cement, reserving a space of a grouting hole at a position needing to be punched, drilling the grouting hole at the reserved crack, wherein the grouting hole is obliquely formed on the wall surface and penetrates through the crack, a plurality of grouting holes are formed according to actual conditions, the distance between every two adjacent grouting holes is 1-1.5 m, a water stopping needle is embedded in the grouting hole, water is injected into the water stopping needle through a high-pressure grouting machine, the condition of water outlet points is observed, the water outlet time of the last water outlet point in a plurality of water outlet points is recorded as T3, and the water outlet time of the last water outlet point is sequentially marked by Arabic numerals according to the water outlet time of the water outlet points, and the water outlet points are marked and connected;
step S6, plugging other water outlet points except the water outlet point of the last water outlet by a mortar waterproof agent;
step S7, grouting liquid into the water stopping needle head through a high-pressure grouting machine, wherein the grouting time is T3N, after the grouting time is up, the pressure is kept unchanged for 2min, after the grouting is finished, the wall surface is irradiated and baked through an infrared lamp along the connection path of each water outlet point, the baking temperature is 50-60 ℃, and the baking range of the infrared lamp along the connection line is about 30 CM; the grouting liquid comprises, by weight, 27.5% of deionized water, 2.5% of 9020 dispersant, 0.3% of mineral oil defoamer, 2.5% of propylene glycol, 1.5% of cellulose powder, 1.0% of film-forming aid, 34.5% of water-based acrylate emulsion, 0.2% of dimethylethanolamine, 15% of titanium dioxide, 3% of kaolin, 2% of diatom ooze and 10% of zeolite powder.
The zeolite powder has more pores and better water absorption, and has good joint filling waterproof performance by taking the water-based acrylate emulsion as the main filling slurry.
Step S8, detaching the water stopping needle head, smearing a plugging material such as a mortar waterproof agent at the detaching position, and plugging the grouting hole; and step S9, sealing the leaking stoppage part by using acrylic acid or waterproof transparent adhesive.
The implementation principle of the grouting plugging construction method in the embodiment of the application is as follows: firstly, calculating the time ratio of grouting liquid to water pouring through a test area, then injecting water and washing a seam in an area needing larger leaking stoppage, then grouting, controlling the grouting time according to the time ratio calculated by the test area to finish grouting and leaking stoppage, and finally knocking off and sealing a water stopping needle.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A grouting plugging construction method is characterized in that: the method comprises the following steps:
step S1, selecting a water seepage area with the water seepage range smaller than 1 square as a test area;
step S2, drilling a test grouting hole at the crack of the test area, burying a water stopping needle head in the test grouting hole, injecting water into the water stopping needle head through a high-pressure grouting machine, observing the condition of a water outlet point, and recording the water outlet time of the water outlet point as T1;
step S3, ventilating the water stopping needle head by a high pressure fan to extrude water in the gap;
step S4, pouring grouting liquid into the water stopping needle head by using a high-pressure grouting machine, observing the condition of the grouting liquid at a water outlet point, recording the time when the grouting liquid reaches the water outlet point as T2, and calculating the ratio of T2 to T1 as N;
s5, positioning a crack at a position with serious leakage, drilling a grouting hole at the crack, burying a water stopping needle head in the grouting hole, injecting water into the water stopping needle head through a high-pressure grouting machine, observing the conditions of water outlet points, recording the water outlet time of the last water outlet point in a plurality of water outlet points as T3, and sequentially marking the water outlet time by Arabic numerals according to the water outlet time of the water outlet points;
step S6, plugging other water outlet points except the water outlet point of the last water outlet by a mortar waterproof agent;
step S7, pouring grouting liquid into the water stopping needle head through a high-pressure grouting machine, wherein the pouring time is T3N;
and step S8, detaching the water stopping needle head, and smearing a plugging material at the detaching position for plugging the grouting hole.
2. The grouting plugging construction method according to claim 1, characterized in that: the grouting liquid comprises, by weight, 27.5% of deionized water, 2.5% of 9020 dispersant, 0.3% of mineral oil defoamer, 2.5% of propylene glycol, 1.5% of cellulose powder, 1.0% of film-forming aid, 34.5% of water-based acrylate emulsion, 0.2% of dimethylethanolamine, 15% of titanium dioxide, 3% of kaolin, 2% of diatom ooze and 10% of zeolite powder.
3. The grouting plugging construction method according to claim 1, characterized in that: in step S5, the grouting holes are formed to be inclined to the wall surface, and the grouting holes penetrate through the cracks.
4. The grouting plugging construction method according to claim 1, characterized in that: in step S5, a plurality of grouting holes are formed, and the distance between every two adjacent grouting holes is 1-1.5 m.
5. The grouting plugging construction method according to claim 1, characterized in that: after the grouting time in step S7 is reached, the pressure is maintained for 2 min.
6. The grouting plugging construction method according to claim 1, characterized in that: after completion of step S8, step S9 is provided to seal the sealed portion with acrylic or waterproof transparent adhesive.
7. The grouting plugging construction method according to claim 1, characterized in that: in step S5, the crack is first sealed by quick-drying cement, and a space for a grouting hole is reserved at a position where the hole needs to be drilled.
8. The grouting plugging construction method according to claim 2, characterized in that: in step S5, a plurality of water outlet points are marked and connected, and after the grouting in step S7 is completed, the wall surface is irradiated and baked by the infrared lamp along the connection path of the water outlet points.
9. The grouting plugging construction method according to claim 8, characterized in that: the baking range of the infrared lamp along the connecting line is 30CM at the left and the right of the connecting line.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010631064.7A CN111779303A (en) | 2020-07-03 | 2020-07-03 | Grouting plugging construction method |
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| CN202010631064.7A CN111779303A (en) | 2020-07-03 | 2020-07-03 | Grouting plugging construction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321465A (en) * | 2021-05-19 | 2021-08-31 | 中国矿业大学 | Shrinkage-compensating cement-based LS-1 grouting material and preparation method thereof |
| CN113738152A (en) * | 2021-09-22 | 2021-12-03 | 苏州佳固士新材料科技有限公司 | Leakage maintenance construction method for water-return beam |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321465A (en) * | 2021-05-19 | 2021-08-31 | 中国矿业大学 | Shrinkage-compensating cement-based LS-1 grouting material and preparation method thereof |
| CN113738152A (en) * | 2021-09-22 | 2021-12-03 | 苏州佳固士新材料科技有限公司 | Leakage maintenance construction method for water-return beam |
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Application publication date: 20201016 |
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