CN216949635U

CN216949635U - Waterproof reinforced structure of old house in coastal area

Info

Publication number: CN216949635U
Application number: CN202220236864.3U
Authority: CN
Inventors: 魏红超; 曾石田; 侯明星
Original assignee: Zhejiang Luban Building Materials Polytron Technologies Inc
Current assignee: Zhejiang Luban Building Materials Polytron Technologies Inc
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-07-12
Anticipated expiration: 2032-01-28

Abstract

The utility model discloses a waterproof reinforcing structure for an old house in a coastal area, which comprises a concrete base surface, wherein a crack of the concrete base surface is filled with low-foaming strong-bonding elastic polyurethane grout, a surface self-repairing waterproof mortar coating is arranged on the concrete base surface, a water-based modified asphalt waterproof coating layer is arranged on the self-repairing waterproof mortar coating, a heat-insulating coating layer is arranged on one side of the water-based modified asphalt waterproof coating layer, which is far away from the self-repairing waterproof mortar coating, and a transparent waterproof adhesive coating layer is arranged on the surface of the heat-insulating coating layer; the low-foaming strong-bonding elastic polyurethane grouting is arranged in the concrete, and the low-foaming strong-bonding elastic polyurethane grouting and the concrete basal plane are provided with the synergistic effect of a self-repairing waterproof mortar layer, a water-based modified asphalt waterproof coating layer, a heat insulation coating layer and a transparent waterproof glue coating; not only can the reinforcement, leakage stoppage and water prevention be carried out from the inside, but also the self-repairing waterproof mortar is used for reinforcing the concrete.

Description

Waterproof reinforced structure of old house in coastal area

Technical Field

The utility model relates to the technical field of water prevention, in particular to a waterproof reinforcing structure for old houses in coastal areas.

Background

The geographical environment and the climate environment of the coastal region have great influence on the service life of the building, and the building is easy to crack and damage due to repeated expansion and contraction of heat and cold caused by high temperature generated by strong sunshine and seawater; the difference between the salt concentration of the seawater and the salt concentration of the building easily causes the calcium loss of the building to influence the strength; in addition, various salts in seawater enter the building to generate repeated crystallization and expansion, so that the building is subjected to physical and chemical dual damage; and electrochemically damaged structural support generated after the crack reaches the steel bar structure. Especially, the safety problem is serious when the waterproof layer of the old house in the coastal area is aged and the building structure is damaged.

In order to solve the problems, the prior art is to carry out hydrophobic and waterproof coating construction on the outer surface of a building and achieve the external isolation effect on the corrosion of the building and seawater. In the actual process, the whole building in the coastal region receives the repeated actions of high salinity, high moisture, cold and hot alternation and the like, and the waterproof hydrophobic coating is easy to age and lose efficacy to cause further damage to the building.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a waterproof reinforcing structure for an old house in a coastal area, which solves the problem that the climate, namely the water environment, damages the building in principle. Avoid cold and hot in turn to rise with heat and contract with cold damage promptly, accomplish simultaneously isolated moisture and salinity to the repeated erosion of building, ensured the safety of building.

The technical scheme of the utility model is as follows:

the waterproof reinforcing structure comprises a concrete base surface, wherein the crack of the concrete base surface is filled with low-foaming strong-bonding elastic polyurethane grouting by a grouting machine, so that the crack is filled with an elastic material, and the structure is integrated. The concrete base surface is provided with a surface self-repairing waterproof mortar coating, the self-repairing waterproof mortar coating is provided with a water-based modified asphalt waterproof coating layer, one side of the water-based modified asphalt waterproof coating layer, which deviates from the self-repairing waterproof mortar coating, is provided with a heat insulation coating layer, and the surface of the heat insulation coating layer is provided with a transparent waterproof adhesive coating.

Furthermore, the self-repairing waterproof mortar coating is arranged into two layers and comprises a first self-repairing waterproof mortar layer and a second self-repairing waterproof mortar layer, the thickness of the first self-repairing waterproof mortar layer is smaller than that of the second self-repairing waterproof mortar layer, and bonding between the first self-repairing waterproof mortar layer and the concrete base surface is improved. And the coating directions of the first self-repairing waterproof mortar layer and the second self-repairing waterproof mortar layer are mutually vertical. The self-repairing mortar can self-repair in a humid environment after the self-repairing waterproof mortar is driven to crack after the base layer cracks, so that water and salt can be prevented from invading again. And provides a reliable base layer for the waterborne modified asphalt coating. The coating directions are mutually perpendicular to prevent the connection of cement pores, and the effect is improved.

Further, the thickness range of the water-based modified asphalt waterproof coating layer is 1.5-2.0 mm.

Furthermore, the thickness range of the heat insulation coating layer is 0.5-1.0 mm.

Further, the thickness range of the transparent waterproof adhesive coating is 0.3-0.5 mm.

The utility model has the beneficial effects that: the concrete is internally provided with low-foaming strong-bonding elastic polyurethane grouting, and the concrete basal plane is provided with the synergistic effect of a self-repairing waterproof mortar layer, a water-based modified asphalt waterproof coating layer, a heat insulation coating layer and a transparent waterproof glue coating; the waterproof structure has the advantages that the leaking stoppage and the water are reinforced from the inside, the self-repairing waterproof mortar is used for reinforcing concrete, the water is isolated through the water-based modified asphalt waterproof coating, the heat insulation and heat preservation coating protects the internal structure from receiving the alternating action of cold and heat, the waterproof reinforcing effect of the transparent waterproof adhesive is achieved, and the excellent practical value is achieved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

in the figure: 1. a concrete base surface; 2. grouting low-foaming strong-bonding elastic polyurethane; 3. self-repairing waterproof mortar coatings; 301. a first self-healing waterproof mortar coating; 302. a second self-repairing waterproof mortar coating; 4. a water-based modified asphalt waterproof coating layer; 5. a heat insulation coating layer; 6. and (5) a transparent waterproof glue coating.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand for those skilled in the art, and will thus define the scope of the utility model more clearly and clearly.

As shown in fig. 1, the waterproof reinforcing structure for the old house in the coastal region comprises a concrete base surface 1, a low-foaming strong-bonding elastic polyurethane grouting layer 2, a self-repairing waterproof mortar coating layer 3, a first self-repairing waterproof mortar coating layer 301, a second self-repairing waterproof mortar coating layer 302, a water-based modified asphalt waterproof coating layer 4, a heat insulation coating layer 5 and a transparent waterproof glue coating layer 6.

Example (b):

as shown in figure 1, a face waterproof reinforcement structure in old house in sea area, including concrete base face 1, pour into low foaming at concrete base face 1 inside and bond elasticity polyurethane grout 2 by force, low foaming bonds elasticity polyurethane grout by force and carries out the shutoff of driving water to the old house internal type crack of the sea of being close, especially the characteristic that bonds by force, can guarantee to reduce the secondary expansion damage to building concrete structure when the shutoff, and bond by force and its elastic effect guarantees that grout can bond the reinforcement to internal structure and guarantee that the concrete is inside to be formed with the structure of concrete and polyurethane grout closely combined. The corrosion of seawater and underground water to the interior from bottom to top is avoided, and the reinforcing steel bar structure in the concrete can be well protected.

As shown in fig. 1, the self-repairing waterproof mortar coating 3 is arranged on the concrete base surface 1, active substances in the self-repairing waterproof mortar coating can release self-healing factors when encountering damage of the coating, so that the coating is repaired, the self-repairing waterproof mortar is used, a small amount of self-healing factors are released, the self-healing factors enter concrete fine cracks under the action of water to be crystallized and solidified, and the interior of the concrete is reinforced. Has dual functions of prevention and reinforcement.

As shown in fig. 1, in order to ensure a good waterproof reinforcing effect, the self-repairing waterproof mortar coating includes a first self-repairing waterproof mortar layer 301 and a second self-repairing waterproof mortar layer 302, the thickness of the first self-repairing waterproof mortar layer 301 is smaller than that of the second self-repairing waterproof mortar layer 302, the coating directions of the first self-repairing waterproof mortar layer 301 and the second self-repairing waterproof mortar layer are mutually perpendicular, and the total dosage is 2000g/m²And on the left and right sides, two layers of construction are carried out at intervals of 1 day, the first layer is subjected to type-entering infiltration reinforcement, and the second layer is subjected to prevention and self-healing of later-stage rupture. The construction in the vertical direction ensures that the two-layer construction can completely compact the concrete surface, and the compactness of the coating is improved.

As shown in fig. 1, the waterborne modified asphalt waterproof coating layer 4 is arranged above the self-repairing waterproof mortar layer 3, the thickness range is 1.5-2 mm, the spraying setting can be carried out through a roller or spraying equipment, the waterborne modified asphalt waterproof coating is a flexible coating, the bonding force is strong, the elasticity is increased, the waterproof mortar layer can be perfectly attached to the surface of the self-repairing waterproof mortar layer, the waterproof mortar layer can be protected after the damage of an external waterproof layer can be blocked, the sea breeze is avoided, and the ions in the water vapor can damage the self-repairing waterproof mortar layer.

As shown in figure 1, a thermal insulation coating layer 5 is arranged on one side of the water-based modified asphalt waterproof coating layer 4, which is far away from the self-repairing waterproof mortar layer 3, and the thickness range of the thermal insulation coating layer 5 is 0.5-1.0 mm. The heat insulation coating is composed of hollow microspheres and nano microcrystallines, and can play a role in heat insulation and reflection, so that the damage to a building structure and a waterproof layer caused by expansion with heat and contraction with cold of a building is reduced under the conditions of high illumination near the sea and strong wind cooling.

As shown in fig. 1, a transparent waterproof adhesive coating 6 with a thickness of 0.3-0.5 mm is arranged above the heat insulation and preservation coating layer 5 and can be coated and arranged by a roller; transparent waterproof glue can form the hydrophobic isolation layer that the one deck is fine and close and transparent again on the surface, and its hydrophobic effect guarantees that the waterproof layer outside is together insurance again to the effect of thermal-insulated heat preservation is guaranteed to transparent texture.

The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.

Claims

1. The utility model provides a face waterproof reinforcement structure in marine area old house, includes concrete base face (1), its characterized in that, the crack department of concrete base face (1) is annotated along the crack and is established low foaming strong bonding elastic polyurethane grout (2), be provided with surface selfreparing waterproof mortar coating (3) on concrete base face (1), be provided with waterborne modified asphalt waterproof coating (4) on selfreparing waterproof mortar coating (3), one side that waterborne modified asphalt waterproof coating (4) deviate from selfreparing waterproof mortar coating (3) sets up thermal-insulated heat preservation dope layer (5), thermal-insulated heat preservation dope layer (5) surface sets up transparent waterproof glue coating (6).

2. The waterproof and reinforcing structure for the old house in the coastal region, according to claim 1, is characterized in that the self-repairing waterproof mortar coating (3) is provided with two layers, and comprises a first self-repairing waterproof mortar coating (301) and a second self-repairing waterproof mortar coating (302), the thickness of the first self-repairing waterproof mortar coating (301) is smaller than that of the second self-repairing waterproof mortar coating (302), and the coating directions of the first self-repairing waterproof mortar coating (301) and the second self-repairing waterproof mortar coating (302) are perpendicular to each other.

3. The waterproof and reinforcing structure for the old house in the coastal region according to claim 1, wherein the thickness of the water-based modified asphalt waterproof coating layer (4) is 1.5-2.0 mm.

4. The waterproof and reinforcing structure for the old house in the coastal region according to claim 1, wherein the thickness of the heat insulation and preservation coating layer (5) ranges from 0.5mm to 1.0 mm.

5. The waterproof and reinforcing structure for the old house in the coastal region according to claim 1, wherein the thickness of the transparent waterproof glue coating (6) is in the range of 0.3-0.5 mm.