CN111333376A - Novel underground parking lot waterproof and anti-seepage structure and construction method - Google Patents
Novel underground parking lot waterproof and anti-seepage structure and construction method Download PDFInfo
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- CN111333376A CN111333376A CN202010147721.0A CN202010147721A CN111333376A CN 111333376 A CN111333376 A CN 111333376A CN 202010147721 A CN202010147721 A CN 202010147721A CN 111333376 A CN111333376 A CN 111333376A
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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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
-
- 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
-
- 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
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00146—Sprayable or pumpable mixtures
- C04B2111/00155—Sprayable, i.e. concrete-like, materials able to be shaped by spraying instead of by casting, e.g. gunite
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
Abstract
The invention discloses a novel underground parking lot waterproof and seepage-proof structure and a construction method, wherein the novel underground parking lot waterproof and seepage-proof structure comprises a self-sealing waterproof concrete shear wall and a waterproof mortar layer attached to the outer surface of the self-sealing waterproof concrete shear wall, and the construction method comprises the following steps; selecting raw materials of a self-sealing waterproof concrete mixture; stirring the self-sealing waterproof concrete mixture; pouring self-sealing waterproof concrete; maintaining self-sealing waterproof concrete; cleaning a self-sealing waterproof concrete backfill surface; selecting raw materials of the waterproof mortar layer; preparing waterproof mortar and spraying a waterproof mortar layer; and (5) maintaining and detecting the waterproof mortar layer, and finishing the construction of the whole waterproof and anti-seepage structure after the waterproof mortar layer is detected. The construction process is simple, construction is convenient, the constructed waterproof and anti-seepage structure is compact in structure, high in strength and long in service life, the waterproof and anti-seepage effect can be effectively achieved, and popularization and use are facilitated.
Description
Technical Field
The invention relates to the technical field of underground parking garage waterproofing, in particular to a novel underground parking garage waterproofing and seepage-proofing structure and a construction method.
Background
The waterproof and water leakage problem of the basement of the building is always a common quality problem in the field of buildings, and the common waterproof material cannot meet the requirement of durability aiming at the problem that the basement is easily affected by underground water erosion; the novel material has high manufacturing cost, complex process and high construction difficulty. Therefore, a novel underground parking lot waterproof and seepage-proof structure and a construction method are provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a novel underground parking lot waterproof and anti-seepage structure and a construction method.
In order to achieve the purpose, the invention adopts the following technical scheme:
a novel underground parking lot waterproof and seepage-proof structure and a construction method thereof comprise a self-sealing waterproof concrete shear wall and a waterproof mortar layer attached to the outer surface of the self-sealing waterproof concrete shear wall, wherein the construction method of the self-sealing waterproof concrete shear wall and the waterproof mortar layer comprises the following steps:
s1, selecting raw materials of the self-sealing waterproof concrete mixture:
cement, fly ash, sand, stones, water, white latex, an adhesive, a defoaming agent and a water reducing agent; and the cement, the fly ash, the sand, the pebbles, the water, the white latex, the adhesive, the defoaming agent and the water reducing agent are mixed according to the mixing ratio of cement: fly ash: sand: stone: water: white latex: adhesive: defoaming agent: 295kg of water reducing agent: 70kg of: 945 kg: 945 kg: 150 kg: 5kg of: 10 kg: 1 kg: 2-3 kg;
s2, stirring the self-sealing waterproof concrete mixture:
feeding the proportioned cement, fly ash, sand, pebbles, water, white latex, adhesive, defoamer and water reducer into a concrete stirrer for stirring, and continuously stirring, wherein when the slump of the self-sealing waterproof concrete after stirring and mixing is controlled to be 200-220, the stirring of the self-sealing waterproof concrete mixture is completed, and the self-sealing waterproof concrete is obtained;
s3, building a self-sealing waterproof concrete shear wall template:
building a self-sealing waterproof concrete shear wall template on the edge of the indoor ground of the underground parking lot, and adding reinforcing bars into the template;
s4, pouring self-sealing waterproof concrete:
pouring the self-sealing waterproof concrete into the self-sealing waterproof concrete shear wall template in a pumping mode of an automobile pump, an arm frame pump or a ground pump, and controlling the pouring speed to keep the pouring time of the self-sealing waterproof concrete of every 12 sides within 1 hour;
s5, curing the self-sealing waterproof concrete:
after the completion of step S4, i.e., the pouring of the self-sealing waterproof concrete is completed, the curing is started from 4 hours (summer) or 8 hours (winter), and the curing time is not less than 21 days;
s6, cleaning a self-sealing waterproof concrete backfill surface:
after the step S5 is finished, thoroughly removing loose, skinned, hollowing and powdered base layers existing on the self-sealing waterproof concrete backfill surface, and then removing pollutants such as dust, oil stain and the like;
s7, selecting the raw materials of the waterproof mortar layer:
the cement, the water-based adhesive white latex, the 107 vinyl formal adhesive and the accelerator are mixed in a proportion of 5-8 kg: 0.9 kg: 12 kg: 0.36 kg;
s8, preparing waterproof mortar and spraying a waterproof mortar layer;
putting the proportioned cement, water-based adhesive white latex, 107 vinyl formal adhesive and accelerating agent into a stirring barrel, uniformly mixing and stirring, pouring the uniformly mixed waterproof mortar into a high-pressure spraying machine, spraying the waterproof mortar on the backfill surface of the self-sealing waterproof concrete through a gun head of the high-pressure spraying machine, and keeping the thickness of a waterproof mortar layer to be more than 6 mm;
s9, maintenance and detection of the waterproof mortar layer:
and (3) exposing the waterproof mortar layer in the air for natural curing for 72 hours, carrying out a water spraying experiment on the waterproof mortar layer after the natural curing of the waterproof mortar layer is finished, observing whether water stain phenomenon exists on one side of the self-sealing waterproof concrete far away from the backfill surface, and finishing the construction of the whole waterproof and anti-seepage structure under the condition that the water stain does not exist on one side of the self-sealing waterproof concrete far away from the backfill surface.
Preferably, the thickness of the self-sealing waterproof concrete shear wall is more than 250 mm.
Preferably, in step S1, the water is tap water or drinkable natural water; the cement does not comprise pozzolanic cement, and the particle size of the stones is not greater than 10 mm; the sand is medium coarse sand with the particle size of 0.3-0.5 mm; the mud content of the stones and the sands is not more than 1 percent; the water reducing agent is a polycarboxylic acid water reducing agent.
Preferably, the defoaming agent is a polysiloxane oil defoaming agent.
Preferably, the adhesive is 107 vinyl formal adhesive.
Preferably, in the process of step S4, roughening and removing floating slurry from the construction joint position according to strict standards, washing the construction joint with clean water, and painting a layer of 107 vinyl formal adhesive to prevent water leakage from the construction joint, further on the basis of controlling the casting speed, when the slump of the self-sealing waterproof concrete is reduced to 150mm, vibrating the self-sealing waterproof concrete cast into the self-sealing waterproof concrete shear wall formwork with a vibrating rod, and when the slump of the self-sealing waterproof concrete is lower than 120mm, remixing the self-sealing waterproof concrete.
Preferably, in the process of step S5, in the concrete curing process, watering natural curing is adopted in summer, and cotton quilt covering or wrapping heating curing is adopted in winter, so as to keep the concrete moist and avoid water loss, thereby achieving the curing purpose, and avoiding the cracking of the concrete surface caused by excessive hydration heat; after the self-sealing waterproof concrete shear wall template is removed, the self-sealing waterproof concrete shear wall template is covered by the film, the humidity of the self-sealing waterproof concrete surface in the film is kept, the evaporation of surface moisture is prevented, and the exposure time of the surface concrete is reduced as much as possible.
Preferably, in the process of spraying the waterproof mortar into the waterproof mortar layer in step S7, the spraying frequency of the waterproof mortar on the self-sealing waterproof concrete backfill surface should be controlled not less than 2 times, and the spraying thickness of each time is greater than or equal to 3 mm.
Preferably, in step S9, after the waterproof and impermeable structure is constructed, the side of the waterproof mortar layer exposed to the air is backfilled with backfill soil.
The invention provides a novel underground parking garage waterproof and seepage-proof structure and a construction method, which have the beneficial effects that: the raw materials required by the construction of the waterproof and anti-seepage structure are convenient to purchase, and the cost is saved; in the process of raw material preparation and processing, the automation degree is high, the labor cost is reduced, and uncertain factors of manual control are reduced; the parameters in the construction process are accurate, so that the construction quality is ensured; the construction process is simple, construction is convenient, the constructed waterproof and seepage-proofing structure is compact in structure, high in strength and long in service life, the waterproof and seepage-proofing effects can be effectively achieved, and popularization and use are facilitated.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.
Example 1
A novel underground parking lot waterproof and seepage-proof structure and a construction method thereof comprise a self-sealing waterproof concrete shear wall and a waterproof mortar layer attached to the outer surface of the self-sealing waterproof concrete shear wall, wherein the construction method of the self-sealing waterproof concrete shear wall and the waterproof mortar layer comprises the following steps:
s1, selecting raw materials of the self-sealing waterproof concrete mixture:
cement, fly ash, sand, stones, water, white latex, an adhesive, a defoaming agent and a water reducing agent; and the mixing proportion of the cement, the fly ash, the sand, the pebbles, the water, the white latex, the adhesive, the defoaming agent and the water reducing agent is cement: fly ash: sand: stone: water: white latex: adhesive: defoaming agent: 295kg of water reducing agent: 70kg of: 945 kg: 945 kg: 150 kg: 5kg of: 10 kg: 1 kg: 2.5 kg;
s2, stirring the self-sealing waterproof concrete mixture:
feeding the proportioned cement, fly ash, sand, pebbles, water, white latex, an adhesive, a defoaming agent and a water reducing agent into a concrete mixer for stirring, and continuously stirring, wherein when the slump of the self-sealing waterproof concrete after stirring and mixing is controlled to be 210, the stirring of the self-sealing waterproof concrete mixture is completed, and the self-sealing waterproof concrete is obtained;
s3, building a self-sealing waterproof concrete shear wall template:
building a self-sealing waterproof concrete shear wall template on the edge of the indoor ground of the underground parking lot, and adding reinforcing bars into the template;
s4, pouring self-sealing waterproof concrete:
pouring the self-sealing waterproof concrete into the self-sealing waterproof concrete shear wall template in a pumping mode of an automobile pump, an arm frame pump or a ground pump, and controlling the pouring speed to keep the pouring time of the self-sealing waterproof concrete of every 12 sides within 1 hour;
s5, curing the self-sealing waterproof concrete:
after the completion of step S4, i.e., the pouring of the self-sealing waterproof concrete is completed, the curing is started from 4 hours (summer) or 8 hours (winter), and the curing time is not less than 21 days;
s6, cleaning a self-sealing waterproof concrete backfill surface:
after the step S5 is finished, thoroughly removing loose, skinned, hollowing and powdered base layers existing on the self-sealing waterproof concrete backfill surface, and then removing pollutants such as dust, oil stain and the like;
s7, selecting the raw materials of the waterproof mortar layer:
the cement, the water-based adhesive white latex, the 107 vinyl formal adhesive and the accelerator are mixed according to the mixing ratio of 7 kg: 0.9 kg: 12 kg: 0.36 kg;
s8, preparing waterproof mortar and spraying a waterproof mortar layer;
putting the proportioned cement, water-based adhesive white latex, 107 vinyl formal adhesive and accelerating agent into a stirring barrel, uniformly mixing and stirring, pouring the uniformly mixed waterproof mortar into a high-pressure spraying machine, spraying the waterproof mortar on the backfill surface of the self-sealing waterproof concrete through a gun head of the high-pressure spraying machine, and keeping the thickness of a waterproof mortar layer to be more than 6 mm;
s9, maintenance and detection of the waterproof mortar layer:
and (3) exposing the waterproof mortar layer in the air for natural curing for 72 hours, carrying out a water spraying experiment on the waterproof mortar layer after the natural curing of the waterproof mortar layer is finished, observing whether water stain phenomenon exists on one side of the self-sealing waterproof concrete far away from the backfill surface, and finishing the construction of the whole waterproof and anti-seepage structure under the condition that the water stain does not exist on one side of the self-sealing waterproof concrete far away from the backfill surface.
The thickness of the self-sealing waterproof concrete shear wall is more than 250 mm; the water is tap water or drinkable natural water; the cement does not comprise pozzolanic cement, and the particle size of the pebbles is not more than 10 mm; the sand is medium coarse sand with the particle size of 0.3-0.5 mm; the mud content of the stones and the sands is not more than 1 percent; the water reducing agent is a polycarboxylic acid water reducing agent; the defoaming agent is polysiloxane oil defoaming agent; the adhesive is 107 vinyl formal adhesive.
After the stirring in step S2 is completed, the obtained self-sealing waterproof concrete can satisfy the strength requirement, the 107 vinyl formal adhesive and the opal adhesive can control the internal cracks of the aggregate in the self-sealing waterproof concrete, so that water can not permeate through the internal cracks of the self-sealing waterproof concrete after the self-sealing waterproof concrete is solidified, thereby leading the self-sealing waterproof concrete to have the waterproof function, forming an anti-seepage wall body structure with the waterproof effect, meeting the anti-seepage requirement, because the particle size of sand and stones in the self-sealing waterproof concrete is small, the workability and the slump of the concrete are ensured by the additive and the stirring time, so that in the process of pouring the concrete, the compactness can be achieved by means of the self-flowing, so that the stirred self-sealing waterproof material does not need to be vibrated in the pouring process;
the construction joint is roughened and the laitance is removed according to the strict standards aiming at the position of the construction joint, the construction joint is washed clean by clear water, a layer of 107 vinyl formal adhesive needs to be coated to prevent the construction joint from leaking water, further, on the basis of controlling the pouring speed, when the slump of the self-sealing waterproof concrete is reduced to 150mm, the self-sealing waterproof concrete poured into the self-sealing waterproof concrete shear wall formwork needs to be vibrated by using a vibrating rod, and when the slump of the self-sealing waterproof concrete is lower than 120mm, the self-sealing waterproof concrete needs to be mixed again.
In the concrete curing process, watering natural curing is adopted in summer, cotton quilt covering or wrapping heating curing is adopted in winter, the concrete is kept moist, dehydration is avoided, the curing purpose is achieved, and the cracking of the surface of the concrete caused by overlarge hydration heat is avoided; after the self-sealing waterproof concrete shear wall template is removed, the self-sealing waterproof concrete shear wall template is covered by the film, the humidity of the self-sealing waterproof concrete surface in the film is kept, the evaporation of surface moisture is prevented, and the exposure time of the surface concrete is reduced as much as possible.
In the process of spraying the waterproof mortar layer by the waterproof mortar in the step S7, the spraying frequency of the waterproof mortar on the self-sealing waterproof concrete backfill surface should be controlled not less than 2 times, and the spraying thickness of each time is greater than or equal to 3 mm.
In step S9, after the waterproof and impermeable structure is constructed, the side of the waterproof mortar layer exposed to the air is backfilled with backfill soil.
Experimental example:
constructing a waterproof and impermeable experimental tank with an open end part by using the self-sealing waterproof concrete obtained in example 1, spraying the waterproof mortar obtained in example 1 on the inner surface of the waterproof and impermeable experimental tank to form a waterproof mortar layer, injecting water into the waterproof and impermeable experimental tank, and observing whether water stains are marked on the outer surface of the waterproof and impermeable experimental tank within 12 months after water injection, wherein the observation conditions are as shown in the following table 1:
| time (moon) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| Water mark or not | Is free of | Is free of | Is free of | Is free of | Is free of | Is free of | Is free of | Is free of | Is free of | Is free of | Is free of | Is free of |
Table 1: recording list for water stain and mark on outer surface of waterproof and anti-seepage experiment pool
As can be seen from table 1, the whole structure of the experimental tank for waterproofing and seepage-proofing constructed by the self-sealing waterproof concrete obtained in example 1 has excellent waterproofing and seepage-proofing properties when the waterproof mortar layer is sprayed, i.e. the waterproofing and seepage-proofing structure in example 1 has waterproofing and seepage-proofing properties.
In summary, the following steps: the raw materials required by the construction of the waterproof and anti-seepage structure are convenient to purchase, and the cost is saved; in the process of raw material preparation and processing, the automation degree is high, the labor cost is reduced, and uncertain factors of manual control are reduced; the parameters in the construction process are accurate, so that the construction quality is ensured; the construction process is simple, construction is convenient, the constructed waterproof and seepage-proofing structure is compact in structure, high in strength and long in service life, the waterproof and seepage-proofing effects can be effectively achieved, and popularization and use are facilitated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A novel underground parking lot waterproof and seepage-proof structure and a construction method thereof comprise a self-sealing waterproof concrete shear wall and a waterproof mortar layer attached to the outer surface of the self-sealing waterproof concrete shear wall, and are characterized in that the construction method of the self-sealing waterproof concrete shear wall and the waterproof mortar layer comprises the following steps:
s1, selecting raw materials of the self-sealing waterproof concrete mixture:
cement, fly ash, sand, stones, water, white latex, an adhesive, a defoaming agent and a water reducing agent; and the cement, the fly ash, the sand, the pebbles, the water, the white latex, the adhesive, the defoaming agent and the water reducing agent are mixed according to the mixing ratio of cement: fly ash: sand: stone: water: white latex: adhesive: defoaming agent: 295kg of water reducing agent: 70kg of: 945 kg: 945 kg: 150 kg: 5kg of: 10 kg: 1 kg: 2-3 kg;
s2, stirring the self-sealing waterproof concrete mixture:
feeding the proportioned cement, fly ash, sand, pebbles, water, white latex, adhesive, defoamer and water reducer into a concrete stirrer for stirring, and continuously stirring, wherein when the slump of the self-sealing waterproof concrete after stirring and mixing is controlled to be 200-220, the stirring of the self-sealing waterproof concrete mixture is completed, and the self-sealing waterproof concrete is obtained;
s3, building a self-sealing waterproof concrete shear wall template:
building a self-sealing waterproof concrete shear wall template on the edge of the indoor ground of the underground parking lot, and adding reinforcing bars into the template;
s4, pouring self-sealing waterproof concrete:
pouring the self-sealing waterproof concrete into the self-sealing waterproof concrete shear wall template in a pumping mode of an automobile pump, an arm frame pump or a ground pump, and controlling the pouring speed to keep the pouring time of the self-sealing waterproof concrete of every 12 sides within 1 hour;
s5, curing the self-sealing waterproof concrete:
after the completion of step S4, i.e., the pouring of the self-sealing waterproof concrete is completed, the curing is started from 4 hours (summer) or 8 hours (winter), and the curing time is not less than 21 days;
s6, cleaning a self-sealing waterproof concrete backfill surface:
after the step S5 is finished, thoroughly removing loose, skinned, hollowing and powdered base layers existing on the self-sealing waterproof concrete backfill surface, and then removing pollutants such as dust, oil stain and the like;
s7, selecting the raw materials of the waterproof mortar layer:
the cement, the water-based adhesive white latex, the 107 vinyl formal adhesive and the accelerator are mixed in a proportion of 5-8 kg: 0.9 kg: 12 kg: 0.36 kg;
s8, preparing waterproof mortar and spraying a waterproof mortar layer:
putting the proportioned cement, water-based adhesive white latex, 107 vinyl formal adhesive and accelerating agent into a stirring barrel, uniformly mixing and stirring, pouring the uniformly mixed waterproof mortar into a high-pressure spraying machine, spraying the waterproof mortar on the backfill surface of the self-sealing waterproof concrete through a gun head of the high-pressure spraying machine, and keeping the thickness of a waterproof mortar layer to be more than 6 mm;
s9, maintenance and detection of the waterproof mortar layer:
and (3) exposing the waterproof mortar layer in the air for natural curing for 72 hours, carrying out a water spraying experiment on the waterproof mortar layer after the natural curing of the waterproof mortar layer is finished, observing whether water stain phenomenon exists on one side of the self-sealing waterproof concrete far away from the backfill surface, and finishing the construction of the whole waterproof and anti-seepage structure under the condition that the water stain does not exist on one side of the self-sealing waterproof concrete far away from the backfill surface.
2. The novel underground parking lot waterproof and seepage-proof structure and the construction method thereof according to claim 1, wherein the thickness of the self-sealing waterproof concrete shear wall is more than 250 mm.
3. The novel waterproof and impermeable structure and construction method for underground parking garage according to claim 1, wherein in step S1, the water is tap water or drinkable natural water; the cement does not comprise pozzolanic cement, and the particle size of the stones is not greater than 10 mm; the sand is medium coarse sand with the particle size of 0.3-0.5 mm; the mud content of the stones and the sands is not more than 1 percent; the water reducing agent is a polycarboxylic acid water reducing agent.
4. The novel underground parking lot waterproof and seepage-proofing structure and the construction method thereof according to claim 1, wherein the defoaming agent is polysiloxane oil defoaming agent.
5. The novel waterproof and impermeable structure and construction method for the underground parking garage according to claim 1, wherein the adhesive is 107 vinyl formal adhesive.
6. The novel waterproof and impermeable structure for underground parking lots and the construction method thereof according to claim 1, wherein in the process of step S4, roughening, removing floating slurry, washing with clear water, and painting a layer of 107 vinyl formal adhesive to prevent water leakage of construction joints, further, on the basis of controlling the casting speed, when the slump of the self-sealing waterproof concrete is reduced to 150mm, vibrating the self-sealing waterproof concrete poured into the self-sealing waterproof concrete shear wall formwork by using a vibrating rod, and when the slump of the self-sealing waterproof concrete is less than 120mm, remixing the self-sealing waterproof concrete.
7. The novel waterproof and impermeable structure and the construction method for the underground parking garage according to claim 1 are characterized in that in the process of step S5, in the concrete curing process, watering natural curing is adopted in summer, and cotton covering or wrapping heating curing is adopted in winter, so that the concrete is kept wet to avoid water loss, the curing purpose is achieved, and the cracking of the concrete surface caused by excessive hydration heat is avoided; after the self-sealing waterproof concrete shear wall template is removed, the self-sealing waterproof concrete shear wall template is covered by the film, the humidity of the self-sealing waterproof concrete surface in the film is kept, the evaporation of surface moisture is prevented, and the exposure time of the surface concrete is reduced as much as possible.
8. The structure and method of claim 1, wherein in the step of spraying the waterproof mortar into the waterproof mortar layer in step S7, the number of spraying the waterproof mortar on the backfill surface of the self-sealing waterproof concrete is controlled to be not less than 2 times, and the thickness of each spraying is not less than 3 mm.
9. The novel underground parking lot waterproof and impermeable structure and the construction method thereof according to claim 1, wherein in step S9, after the waterproof and impermeable structure is constructed, backfill is used to backfill the side of the waterproof mortar layer exposed to the air.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072430A (en) * | 1992-12-18 | 1993-05-26 | 北京市西城区双龙装饰公司 | A kind of multifunction inorganic decoration paint |
| CN201972172U (en) * | 2010-12-28 | 2011-09-14 | 天津住宅集团建设工程总承包有限公司 | Underground rigid composite waterproof construction structure |
| CN110451890A (en) * | 2019-08-27 | 2019-11-15 | 广东粤腾建设有限公司 | The impervious leakage-proof construction method of secondary structure |
-
2020
- 2020-03-05 CN CN202010147721.0A patent/CN111333376A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072430A (en) * | 1992-12-18 | 1993-05-26 | 北京市西城区双龙装饰公司 | A kind of multifunction inorganic decoration paint |
| CN201972172U (en) * | 2010-12-28 | 2011-09-14 | 天津住宅集团建设工程总承包有限公司 | Underground rigid composite waterproof construction structure |
| CN110451890A (en) * | 2019-08-27 | 2019-11-15 | 广东粤腾建设有限公司 | The impervious leakage-proof construction method of secondary structure |
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Application publication date: 20200626 |