KR20120127798A - Water soluble color asphalt mortar construction method - Google Patents

Abstract

PURPOSE: A rubber-color asphalt mortar and a construction method are provided to enhance shock resistance and to prevent leakage through crack control. CONSTITUTION: A rubber-color asphalt mortar comprises 13.5-14.7 parts by weight of cement, 13.5-14.7 parts by weight of water-soluble asphalt emulsion, 11.5-12.5 parts by weight of water-soluble asphalt emulsion, 56-56.6 parts by weight of silica and trace amount of dispersing agent. The water-soluble rubber color asphalt mortar additionally includes 3.3-3.7 parts by weight of water. The water-soluble asphalt emulsion comprises 5 parts by weight of latex, 5 parts by weight of level agent(dispersing agent), 3 parts by weight of calcium chloride, and trace amount of coloring agent based on 85 parts by weight of asphalt. A water-soluble rubber color asphalt mortar construction method comprises the following steps: P.C.M water proofing concrete foundation; forming a film by coating primer specialty latex on the concrete foundation; manufacturing water-soluble rubber color asphalt mortar on the film; and curing the water-soluble rubber color asphalt mortal by constructing the same on the floor before the film is dried. [Reference numerals] (AA) Absorption rate(%); (BB) Normal mortar, cement/sand(1:4); (CC) Latex mortar, cement/sand/film bark(1:4:0.2); (DD) Rubber color coat, cement/sand/silica color coat(1:1:4:0.85)

Description

Water soluble color asphalt mortar construction method

The present invention relates to a water-soluble rubber color asphalt mortar as a parking lot floor finishing material to be constructed on concrete, and a construction method thereof.

Recently, the exterior space of residential buildings is tended to be provided as a resting space for residents by creating a theme park through landscaping.

In addition, the demand for the parking lot is increasing due to the rapid development of the economy and the increase in the number of cars owned. The building has become taller and the basement floor has to be designed and used as a parking lot in order to provide an adequate parking area for each household.

However, hardener-based, epoxy-based, urethane-based, epoxy resin mortar-based, etc. are applied in the case of finishing the parking lot floor, and in the case of ground treatment, plain concrete casting, STF, waterproof, etc. are designed without specific criteria according to the taste of the designer. It is a reality that is being deleted or deleted.

Conventional finishes are divided into two types. One is a finish constructed of waterproof + plain concrete + iron trowel finish + hardner, and the other is a finish constructed of iron trowel finish + resin lining (or resin mortar).

First, in the case of finishing materials including waterproof and plain concrete, waterproofing or coating waterproofing on structural slabs in the form of traditional underground parking lot finishing materials, cast bare concrete for pressing concrete and crack control for hard concrete It has a cross-sectional shape to be constructed.

On the other hand, in the case of the finishing material does not contain the concrete, it is an example of improving the strength by thickening or mixing fine aggregates by repeatedly applying a good waterproof and strength resin in order to reduce the burden on waterproof and non-concrete concrete.

Among the two kinds of finishing materials mentioned above, the major and fatal problems of the finishing materials including waterproofing and rootless concrete include cracking and dropping of the finishing layer, which is usually used because of the low strength of 150Kg / ㎠. Only the finishing layer reaches a certain strength under the influence of the surface hardener, and most of the bare concrete is kept at low strength, so that brittle fracture occurs even at a small impact, causing the surface to fall off. In addition, the combination of high slump to improve the workability also accelerates the cracking and dropping by increasing the material separation of the concrete and the high latency on the surface.

The second drawback is that there is a burden on air delay due to the addition of a wet process such as waterproof and plain concrete, and the thickness and weight of 100mm plain concrete adds to the structural burden and increases the basement height, resulting in an increase in frame and excavation construction costs and air increase. Done.

On the other hand, defects of the finishing material that does not contain rootless concrete include leaks due to lifting and cracking. Lifting is a phenomenon caused by the lack of adhesion strength between the base surface and the finish material is mainly generated in the useful finishes such as epoxy, resin mortar-based, urethane-based. The required attachment strength depends on the weight of the vehicle, the speed of travel, the coefficient of friction of the finish, etc., but it is not a problem if the passenger parking lot is 13kg / ㎠ or more.

The properties of resin-based finishes are more than 30kg / ㎠, but it is difficult to construct by maintaining the completely dry condition (water content of 8% and atmospheric humidity of 85%) during site construction, and it is incomplete in removing latencies and removing surface moisture or high humidity of basement. Work in the space often causes defects in site management.

Often cracks (cracks) occur, which is higher than 500kg / cm2 for epoxy finishes, but 180 ~ 240kg / cm2 for concrete design. Such as cracked concrete) will cause cracks.

Even in the case of slight cracks (0.3 mm or less) occurring in concrete structures, epoxy-based and hardner-based flooring materials lacking elasticity can cause cracks due to lack of cracking resistance. It may cause the contamination of the vehicle or the malfunction of the electrical room.

On the other hand, the surface of the resin-based lining has the advantage of selecting a beautiful color and various colors, but the lack of friction generates a slipping sound, and the thinness of the 3mm or thinner coating, the smoothness of the concrete determines the smoothness of the finish to increase the coefficient of friction It has the disadvantage that it needs to be coated with silica sand or mixed with fine aggregates such as silica sand and sand to mortar the resin and construct it with a thickness of about 10mm. This additional complementary work is expensive and adds to the burden on the client.

Asphalt is a construction material that is widely used as a high performance waterproofing material due to its excellent waterproofness, adhesion and crack tracking. However, it is one of the materials that has difficulty in on-site management because it has a drawback that the adhesive force decreases rapidly due to the nature of oiliness on the lower surface of the hassle and wetness that must be always boiled and used.

In recent years, water, asphalt, rubber, water and stabilizers are mixed with a certain ratio to maintain an emulsion at room temperature, so that they are not only excellent in workability but also have water solubility. The application of is increasing.

However, the necessary performances related to the major defects of the parking lot flooring include impact resistance, adhesion, crack tracking, waterproofness and surface friction coefficient. However, since these performance factors have characteristics that are opposite to each other, it is impossible to maintain the best value. Therefore, it is necessary to develop a material having a moderate value for the underground parking lot.

In view of this, cement, sand, silica sand, water, and a coloring agent were mixed in a proportion to water-soluble asphalt to develop water-soluble asphalt mortar. This water-soluble asphalt mortar has a material characteristic that can meet all the performance values such as adhesion, waterproofness, impact resistance, and friction coefficient required for the flooring of the passenger car parking lot, and existing defects such as lifting, leaking, cracking, and sliding. Will be solved fundamentally.

It is an object of the present invention to prevent water leakage through crack control in this background, improve impact resistance, improve cracking and durability, and increase adhesion strength to wet adhesion surface, thereby essentially removing defects on lifting by water-soluble rubber collars. It is intended to provide asphalt mortar and its construction method, through which quality improvement and cost reduction are realized.

The present invention for achieving the above object, in the floor finishing material to be installed on the concrete top, 11.5-12.5 parts by weight of water-soluble asphalt emulsion and 56.0-56.6 parts by weight of silica sand based on 13.5-14.7 parts by weight of cement and 13.5-14.7 parts by weight of sand. A water-soluble rubber color asphalt mortar mixed with a portion and a trace amount of a dispersant and added 3.3-3.7 parts by weight of water was mixed.

Here, the cement and sand are administered to increase strength and increase durability, and silica sand is blended to increase friction and wear resistance.

According to one aspect of the invention, the water-soluble asphalt emulsion, 5 parts by weight of latex, 5 parts by weight of leveling agent, 3 parts by weight of calcium chloride, 2 parts by weight or less of a trace colorant to 85 parts by weight of asphalt.

According to another aspect of the invention, the water-soluble asphalt emulsion, 10 to 20 parts by weight of synthetic rubber latex, 1 to 10 parts by weight of hard polymer, 0.1 to 1.0 parts by weight of emulsifier, 30 to 50 parts by weight of asphalt, 5 to 15 parts by weight of pigment Part, 1-10 parts by weight of modified silicone resin emulsion, 0.05-0.2 parts by weight of paraffin wax compound, 0.1-1.0 parts by weight of stain-resistant resin, 0.005-0.02 parts by weight of dispersant, 11.0-13.0 parts by weight of ion-exchanged water and 0.01-0.1 thickener It includes a weight part.

According to another aspect of the present invention, the construction method of the present invention for achieving the above object, in the floor finishing method for construction on the concrete, the first step of P.C.M waterproofing after cleaning and repair work; A second step of forming a film having a certain strength (0.3 KG / m 3) by applying a primer special latex on the concrete foundation to stabilize the binding after the first step; 13.5-14.7 parts by weight of cement and 13.5-14.7 parts by weight of sand are mixed on the film formed from the second step, 11.5-12.5 parts by weight of water-soluble asphalt emulsion, 56.0-56.6 parts by weight of silica sand and a small amount of dispersant are added thereto. A third step of mixing and stirring 3.3-3.7 parts by weight of water thereto to produce water-soluble rubber color asphalt mortar; And a fourth step of applying and curing the water-soluble rubber color asphalt mortar generated from the third step on the floor before the film formed from the second step is dried. It includes.

According to another aspect of the present invention, a fifth step of applying a thin film of an anti-fouling agent (for example, latex-based coating) several times on the cured water-soluble rubber color asphalt mortar after the fourth step to prevent contamination and improve water resistance; It proceeds further including.

In the existing underground parking lot, water-free concrete to protect the waterproof layer and waterproof layer and iron trowel finish to increase the smoothness of the finish surface were applied, and the hardener or resin-based finish was applied, but the water-soluble asphalt mortar of the present invention was constructed to have a thickness of 10 mm. Water-soluble asphalt precipitated after casting forms a thin layer to act as a waterproofing layer, and the upper asphalt mortar serves as a waterproofing protective layer and floor finishing material to eliminate waterproofing, bare concrete, and iron trowel finish. This results in the reduction of air quality and quality by eliminating the wet process and the side effect of minimizing the depth of excavation by reducing the layer height of bare concrete.

The water-soluble color asphalt mortar of the present invention has the characteristics of cement mortar and water-soluble asphalt, so that it can be applied to the wet surface by being fused with water, and the adhesive force is not degraded due to moisture in the air or slab. Excellent constructability. The ease of on-site management has a quality control effect, thereby fundamentally preventing defects caused by lifting.

In addition, the silica sand and sand in the water-soluble color asphalt mortar of the present invention is exposed to the finish surface to increase the friction force and significantly reduce the risk of noise and the noise caused by the sliding and braking during vehicle rotation and braking.

In addition to reducing the cost of work such as waterproofing and bare concrete trowels, which are carried out at the existing parking lot finishing, the price of the product is less than half as it has the properties of epoxy resin mortar, which reduces the cost. As it acts like a certain amount on crack and deflection of the base slab, there is no need for damage and maintenance due to penetration cracking and leakage, and it is more durable than thin resin coating and lining by constructing with 10mm thickness of wear-resistant material.

By applying cold process without heating asphalt, safety problem and construction by toxic poisonous gas poisoning during operation are simplified. The water-soluble asphalt penetrates and coagulates against the crack of the base slab to compensate for the leakage defect and the durability reduction of the structure.

1 is a graph of immersion time and water absorption rate of the mortar and latex mortar and rubber color coat according to the present invention.
Figure 2 is a construction angle cross-sectional view of the epoxy coating, epoxy lining, hard urethane and epoxy mortar.
Figure 3 is a construction state of the present invention water-soluble rubber color asphalt mortar.
Figure 4 is a construction cross-sectional view of the present invention water-soluble rubber color asphalt mortar.

Hereinafter will be described the principle of water-soluble rubber color asphalt mortar of the present invention. Water-soluble asphalt, which has been improved by stirring rubber and stabilizer on general asphalt, has excellent water resistance, crack tracking, and adhesion, but it is used only as a waterproofing material due to its relatively low impact resistance, strength, and friction.

In addition, cement, fine aggregate, and water-moistened cement mortar have excellent adhesion, strength, abrasion resistance, and friction, but have many cracks due to dry shrinkage, brittle fracture at impact, and no crack follow-up, which causes co-cracking of the base metal. Low is inadequate.

In the case of asphalt concrete, the basement should not be carried through the dump and the construction of heavy equipment is impossible, and the waterproof and crack followability should be less than 100mm thick.

For this reason, water-soluble asphalt + cement mortar + admixture + coloring material + water was stirred and cured to develop water-soluble rubber color asphalt mortar having only two physical properties.

The water-soluble asphalt in the lower layer does not sink after pouring and forms an asphalt waterproof layer on the slab surface. The water-soluble asphalt in the upper layer exhibits the properties of non-shrink mortar by hydration with water, cement, silica sand, and sand, eliminating dry shrinkage cracks and The sand increases the strength and wear resistance of the water-soluble asphalt, so that the sand has both the performance of the waterproofing material and the characteristics of the parking lot floor finish.

Water-soluble rubber color asphalt mortar specimens were applied to the STF concrete surface, and after curing, 1kg of iron balls began to drop from 50cm to 200cm in increments of 50cm.

The mixing ratio of cement, sand, silica sand, water soluble asphalt, and water depends on the material properties of water soluble asphalt mortar, and the impact test, permeability test, tensile test, strength test, and internal resistance of each compounding ratio for the purpose of deriving the mixing ratio for proper performance. As a result of the tests of abrasion test, water absorption, slip resistance, etc., the optimum compounding ratio was close to the following compounding ratio.

13.5-14.7 parts by weight of cement:

13.5-14.7 parts by weight of sand:

Water Soluble Asphalt Emulsion 11.5 ~ 12.5 parts by weight:

Silica 56.0-56.6 parts by weight:

3.3 to 3.7 parts by weight of water:

Trace dispersants;

The cement is preferably 14.1 parts by weight, the sand is 14.1 parts by weight, the water-soluble asphalt emulsion is preferably 12.0 parts by weight, the silica sand is preferably 56.3 parts by weight, the water is preferably 3.5 parts by weight.

For the purpose of verifying the waterproofness and sag resistance of the formulation, a permeability test sample to be immersed in an acrylic water tank of a predetermined size and a separate acrylic water tank to give a deformation amount for sag are added to add a deformation amount of 0.5 mm per day. Permeability and cracking were observed.

Ten days test result was excellent in permeability. However, in the deflection strength test, the waterproofness was maintained at 1.0mm displacement, but cracks occurred while cracking at 1.5mm displacement. Since the allowable amount of deflection of the slab is about 1/300, it can be seen that the construction box is advantageous for maintaining the waterproof layer after initial cracking and initial deflection through sufficient curing of the structural slab.

In order to increase the adhesion between the water-soluble rubber mortar and the slab, the main construction idea is to apply a special latex to the concrete foundation to stabilize the concrete after cleaning and repairing the concrete floor. KG / ㎥) film, and after the water-soluble rubber mortar casting and curing, if the appropriate strength of 50kg / ㎠ or more exerted, to prevent the contamination on the upper exposed surface and to improve the water resistance, the anti-fouling agent, which is a latex-based coating agent It is necessary to apply by thin film.

Hereinafter, the present invention will be described in more detail with examples.

The water-soluble asphalt emulsion is a compound obtained by stirring rubber, surfactant, stabilizer, etc. on general asphalt, and the brand name 'RUBAS' of Ewha Corporation and the name 'CRM asphalt' of Unix Lava Can be used. Water-soluble asphalt emulsions consist of at least 15% by weight of the rubber component and are sufficiently reacted to expand the rubber particles in the asphalt.

However, such water-soluble asphalt emulsions alone have excellent waterproofness, crack tracking, and adhesion, but they have been relatively lacking in impact resistance, strength, and frictional force.

For this reason, cement, sand, water-soluble asphalt emulsion, silica sand, dispersant, and water are stirred to pour and develop water-soluble rubber color asphalt mortar having only two physical properties.

At this time, if the cement is 13.5-14.7 parts by weight, the sand is also preferably 13.5-14.7 parts by weight, and the water-soluble asphalt emulsion should be 11.5-12.5 parts by weight.

In addition, the silica sand should be 56.0 ~ 56.6 parts by weight in order to increase the friction and wear resistance, and in this case 3.3 to 3.7 parts by weight of water, as well as adding a small amount of dispersant in order to have the same viscosity as conventional cement mortar. need.

At this time, the water-soluble asphalt emulsion may be configured to include 85 parts by weight of asphalt, 5 parts by weight of latex, 5 parts by weight of leveling agent, 3 parts by weight of calcium chloride, 2 parts by weight or less of a coloring agent.

Alternatively, 10 to 20 parts by weight of synthetic rubber latex, 1 to 10 parts by weight of hard polymer, 0.1 to 1.0 parts by weight of emulsifier, 30 to 50 parts by weight of asphalt, 5 to 15 parts by weight of pigment, modified silicone resin emulsion 1 to 10 It may contain a weight part, paraffin wax compound 0.05-0.2 weight part, 0.1-1.0 weight part of pollution-resistant resin, 0.005-0.02 weight part of a dispersing agent, 11.0-13.0 weight part of ion-exchange water, and 0.01-0.1 weight part of thickeners.

Here, the second solution generally comprises a synthetic rubber latex. Specific examples of the synthetic rubber latex may be a product of high concentration (69%) below the glass transition temperature of -40 ℃.

In addition to the synthetic rubber latex, a hard polymer having a high glass transition temperature is mixed. Examples of the hard polymer include a synthetic rubber latex, EVA-based or acrylic polymer having a glass transition temperature of 0 to 10 ° C.

When such a hard polymer is mixed, washing resistance can be improved, and the content thereof is preferably 1 to 10 parts by weight of the total composition. If the content is more than 10 parts by weight, the elastic capacity is lowered and may be weak to external impact.

In addition, the water-soluble asphalt emulsion of the second method to be applied to the present invention includes a modified silicone resin emulsion, wherein the "modified silicone resin emulsion" is an acrylic modified silicone emulsion, and the acrylic modified silicone emulsion introduces special properties into silicone. It is defined as a high molecular material formed by polymerizing silicone introduced with a functional group with an acrylic monomer. Such modified silicone resin may serve to improve appearance by surface gloss. The content is 1 to 10 parts by weight of the total composition, if the content is more than 10 parts by weight, the adhesion to the concrete surface is poor and there may be a problem in economic efficiency.

In addition, the water-soluble asphalt emulsion of the second method to be applied to the present invention may further include a colorant, specifically, a white pigment, a red pigment, a green pigment, and the like, but are not limited thereto. In general, the asphalt emulsion for mortar mixing was not easy to add colorant because of poor dispersibility, color difference according to the degree of wetting, and asphalt emulsion and material separation (pigmentation between pigments) easily occur.

To this end, in the water-soluble asphalt emulsion of the second method applied to the present invention, 10 mol of polyoxyethylene alkyl ether (1.33) and 4 mol (HLB of 8.9) are mixed 4: 1 as a nonionic emulsifier. By emulsifying asphalt by strengthening hygroscopicity and hydrophilicity, wetting agent (Sanoff Co. product) is used together to make the colorant sufficiently moisturized when mixing the colorant, and to maintain a constant color and dispersant (Donghae Chemical Industry) Using bent-super, Sannovco 44S), the separation of pigmented pigment and modified asphalt does not occur easily, so that various colors can be expressed.

The total content of the emulsifier is preferably 0.1 to 1.0 parts by weight, and the content of the wetting agent is preferably 0.01 to 0.05 parts by weight. And it is preferable that a dispersing agent is 0.005-0.02 weight part.

The total content of the pigment is 5-15 parts by weight of the total composition. If the content exceeds 15 parts by weight, it is uneconomical and may cause degradation of the property of the modified asphalt. The desired color may be obtained even at about 10%.

In addition, in the water-soluble asphalt emulsion of the second method applied to the present invention, the paraffin wax compound contains 0.02 to 0.2 parts by weight of the total composition, which is prepared by emulsifying paraffin wax (candles), and the surface gloss effect and plastering work. Improve sex. If the content is less than 0.02 parts by weight, the effect is weak and if it exceeds 0.2 parts by weight, the surface may be slipped.

In addition, the water-soluble asphalt emulsion of the second method applied to the present invention may contain a pollution-resistant resin 0.1 to 1.0 parts by weight of the total composition in order to solve the problem of contamination due to the unique adhesion of asphalt. The fouling resistant resin may be an acrylic resin having a high glass transition temperature of 50 to 80 ° C. and a low MFT (film formation temperature) of 0 to 8 ° C., and its effect is less than 0.1 part by weight. If more than 1.0 parts by weight of the surface elasticity falls.

In the water-soluble asphalt emulsion of the second method applied to the present invention, a dispersant is included in an amount of 0.005 to 0.02 parts by weight in the total composition in order to secure dispersibility of inorganic and organic pigments and to prevent entanglement with asphalt.

In addition, the water-soluble asphalt emulsion of the second solution applied to the present invention contains asphalt, ion-exchanged water, thickener, and the like as in the conventional modified mortar for mixing mortar, and includes 30 to 50 parts by weight of asphalt and 11.0 to ion-exchanged water. It is common to add 13.0 weight part and 0.01-0.1 weight part of thickeners.

In addition, in addition to the above compounds, the water-soluble asphalt emulsion of the second method applied to the present invention may further include other additives such as an antifoaming agent, a water reducing agent, a fluidizing agent, a thickener, and the like.

On the other hand, when the water-soluble rubber color asphalt mortar mixed and stirred at the same ratio as above is installed on the floor of the parking lot, the water-soluble rubber color asphalt in the lower layer sinks after pouring and forms an asphalt waterproof layer on the slab surface, and the water-soluble rubber color asphalt in the upper layer is Hydration reaction with water, cement, silica sand, and sand shows the characteristics of non-shrinkage mortar to eliminate dry shrinkage cracks, and silica sand and sand increase the strength and abrasion resistance of water-soluble asphalt, so as to have both the performance of waterproof material and the flooring finish of the parking lot. Will be.

In particular, the water-soluble rubber color coat (rubber color asphalt resin mortar) in the cement mortar structure exhibits the elastic performance, which is the characteristic of rubber and asphalt, to exhibit ductile fracture resistance against cracking and impact, thereby significantly improving the impact resistance. Will be.

Table 1 below shows an example in which rubber color coats and portland cement and sand or sand and silica sand are mixed in a suitable ratio within the range of the ratio as described above.

sample cement Rubber collar coat sand Quartz sand importance Application example First Embodiment  One 0.85 One 4 2.04 Many vehicles Second Embodiment  One 0.85 4 0 1.82 A small vehicle Third Embodiment  One 0.85 3 0 1.81 Press waterproof layer Fourth Embodiment  One One 2 0 1.79 Barn Fifth Embodiment  One 0.5 4 0 1.82

The above rubber color coat has a solids concentration of 60%, a viscosity of 2000 cps or less, a specific gravity of 1.0, and a pH of 9.0. Water was added equally to 3.5 parts by weight, and a color developer was added in a small amount by selecting one of brown, green, reddish brown, and earthy black.

In the mixing method, sand and silica sand are put first and mixing is started. Then add a predetermined amount of cement and continue mixing. After the aggregates are mixed completely uniformly, a rubber color coat is placed and mixed thoroughly to form a water-soluble rubber color asphalt mortar.

Such water-soluble rubber color asphalt mortar is usually applied directly to the concrete floor. To do this, first treat the floor and clean the floor.

That is, the floor treatment removes the stretching material and the latans, cuts the wide cracks, and cuts the wide cracks, and removes the coating material or responds as necessary to the coating material (paint, traffic paint, etc.).

After floor cleaning is done, a primer is applied. That is, after coating 0.3kg / m 2 of water-soluble synthetic rubber dilution solution (latex series) on the concrete foundation, the well mixed water-soluble rubber color asphalt mortar is applied to a predetermined thickness using iron trowel.

When the construction as described above 3.5 hours after the curing reaction is started, after 6 hours the curing reaction is terminated to the extent possible to walk, and after 24 hours is cured to pass the car.

Table 2 below is a test result of applying the adhesiveness of the first embodiment of the present invention and the normal mortar (cement 1: sand 1: silica sand 4: rubber color coat 0.85) samples to various floors. As the type of floor, concrete, ascone, ALC, iron plate, veneer plate, water-soluble rubber color asphalt mortar curing plate (rubber color in Table 2) and the like were used. In the test method, mortar was applied to various floors with a thickness of about 20 mm and dried for 2 weeks, followed by axle tension test.

floor
Kinds
primer
The presence or absence
 Rubber Color Coat (First Embodiment)  General (normal mortar) Adhesive force (kg / ㎡)
 condition Adhesive force (kg / ㎡) condition concrete
none 7.2 Rubber Color Coat Destruction 4.4 primer 8.6 Rubber Color Coat Destruction Ascon
none 6.4 Rubber Color Coat Destruction 6.7 primer 7.5 Rubber Color Coat Destruction ALC
none 5.3 Rubber Color Coat Destruction 1.9 primer 5.9 Rubber Color Coat Destruction iron plate
none 2.3 Rubber Color Coat Destruction 1.8 primer 7.9 Rubber Color Coat Destruction Beniafan
none 1.9 Interfacial separation 1.0 primer 3.8 Interfacial separation Rubber collar
none 7.0 Rubber Color Coat Destruction primer 6.6 Rubber Color Coat Destruction

Table 3 shows the results of testing the rate of change of the length (dry shrinkage) of the first, second and fourth examples, and usually mortar (cement 1: sand 3) samples. The test method is according to JISA1125 (conparate method) and the curing is 28 days.

sample Length change rate
(Drying Length Deformation × 10 ^-4 (%))  First Embodiment 6.29  Second Embodiment 8.31  Fourth embodiment 9.27  Mortar 10.65

Table 4 below shows the results of testing the compressive strength and the bending strength, respectively, by taking samples of 14-day curing and 28-day curing for the first to fifth embodiments and the mortar (cement 1: sand 3). The test method is in accordance with JISR5201.

sample
 14 days of curing  28 days of curing Compressive strength
(kg / ㎠) Flexural strength
(kg / ㎠) Compressive strength
(kg / ㎠) Flexural strength
(kg / ㎠)  First Embodiment 84 40 113 56  Second Embodiment 57 29 103 50  Third Embodiment 67 37 96 46  Fourth embodiment 7 42 91 47  Fifth Embodiment 124 43 153 59  Normal mortar (1: 3: 0: 0) 166 44 164 50

Table 5 and FIG. 1 below test the water immersion and the water absorption, and are the results of comparing the water immersion and the water absorption rate with respect to the first to fifth embodiments and the normal mortar sample. Usually mortar was divided into the ratio of cement 1: sand 3 and the ratio of cement 1: sand 4. As a test method, the permeation test was in accordance with JISA1404, and the sample was immersed at 3 kg / cm 2 water pressure for 1 hour after curing for 21 days, and then the amount of immersion was measured. Absorption test was according to JISA1404 and the samples were cured for 21 days and the water absorption was measured after immersion each time.

sample

Immersion amount (qr)
Absorption rate (after 48 hours,%)  First Embodiment 0.17 0.11  Second Embodiment 1.0 1.30  Third Embodiment 0.5 1.15  Fourth embodiment 0.5 0.71  Fifth Embodiment 1.1 1.87 Normal mortar (1: 3: 0: 0)
Or (1: 4: 0: 0) 49
More than 130 9.69
10.28

Table 6 below shows the impact resistance test as shown in Examples 1 to 5, and 2 m of 1 kg weights for ordinary mortars with different mixing ratios (cement to sand ratio 1: 3, 1: 4). This is the result of testing the impact strength at 4m height. The test method is according to JISA5403. After applying mortar of test object to concrete block with 10mm thickness and curing for 10 days, the weight (diameter 50.8mm, weight 1kg) specified in JISA5403 is dropped at 2m and 4m height, and pie The presence of cracks is measured. As a result of confirming the surface state, it was confirmed that the impact resistance by ductile fracture was improved.

sample
Impact Strength (1kg × 2m Height) Impact Strength (1kg × 4m Height) crack Pie
Depth (mm) Pie diameter (mm) crack Pie depth (mm) Pie diameter (mm)  First Embodiment none 1.5 18 none 2.1 20  Second Embodiment none 1.5 18 none 2.2 22  Third Embodiment none 1.4 17 none 2.3 22  Fourth embodiment none 1.3 18 none 2.1 21  Fifth Embodiment none 1.4 17 none 1.9 21 Normal mortar (1: 3: 0: 0)
Or (1: 4: 0: 0) none
Occur 0.9
1.1 13
15 none
none 1.4
1.9 16
20

Table 7 below is a test of the height of breakage due to iron drop for the first embodiment, and usually mortar (cement to sand ratio 1: 4). The test method is to make a rubber color coat plate (15cm × 15cm × 1cm) without a bottom, and to support it with three iron balls after 10 days of curing. It is a measured one.

 sample  Impact height (cm)  First Embodiment  140  Mortar  35

Table 8 below shows the abrasion resistance test results. The wear amounts were tested for the first to fifth embodiments and for the mortars having different mixing ratios (the ratio of cement to sand 1: 3 and 1: 4). . In the test method, 5mm thick mortar samples were applied to the bottom of the slate plate, and after 21 days of curing, the taper wear tester was tested. The wear wheel was CS-17, the wear count was 1,000 revolutions, and the load was 1 kg.

 sample Wear (qr)  First Embodiment 0.1402  Second Embodiment 0.1440  Third Embodiment 0.1189  Fourth embodiment 0.0962  Fifth Embodiment 0.129 Normal mortar (1: 3)
Or (1: 4) 0.3146
0.2781

Table 9 below shows the results of the test of the slip resistance against the first to fifth examples and ordinary mortars having different mixing ratios (a ratio of cement to sand of 1: 3 and 1: 4). The test method was in accordance with JISA1407. Sample mortar was applied to the bottom of the slate plate with a thickness of 10 mm, and after 7 days of curing, the slip resistance value was measured by a portable skid resistance tester.

sample
Skid resistant Dry floor Wet floor  First Embodiment - 52  Second Embodiment 102 48  Third Embodiment - 54  Fourth embodiment 123 60  Fifth Embodiment - 55 Normal mortar (1: 3)
Or (1: 4) -
- 63
77

Table 10 below shows the results of testing the chemical resistance of the first example and a common mortar sample containing cement and sand in a ratio of 1: 4. In the test method, samples were prepared in accordance with JIS A1172, and after 14 days of curing, the state was observed after 28 days after soaking in each chemical (20 ° C).

 medicine First embodiment
Normal mortar (1: 4) Kinds density(%) Sulfuric acid 5
10 Erosion to expose surface material
Heavily eroded Heavily eroded
Collapse risk Hydrochloric acid 10 The surface is a little soft Heavily eroded Sulfuric acid 10 The surface is a little soft Heavily eroded Caustic soda 10 The surface is slightly discolored The surface is slightly discolored Neutral detergent 10 No change No change Hydrochloric acid 5 No change No change Kerosene - Surface is slightly softened No change

Table 11 below is a test of the thermal insulation, and the results of the thermal conductivity test for the first embodiment, concrete, asphalt for asphalt, steel sheet, and the like.

sample Thermal Conductivity (kcal / m? Hr? ℃) First Embodiment 0.390 concrete 1.30 Floor asphalt 0.38 iron plate 46

In order to further increase the adhesion between the above water-soluble rubber color asphalt mortar and slab, it is necessary to use a separate primer as shown in the adhesion test of Table 2. Water soluble rubber color As a result of asphalt mortar pouring and curing, if the appropriate strength is exerted more than 50kg / ㎠ it is necessary to apply a latex-based anti-fouling agent in a thin film to prevent contamination and improve water resistance.

Table 12 below compares the average structure of the present invention with the construction structure and the advantages and disadvantages of the parking lot floors constructed in various types.

division Epoxy coating
(See Figure 2) Epoxy Lining
(See Figure 2) High Rigid Urethane
(See Figure 2) Epoxy mortar
(See Figure 2) Invention
(See Fig. 3) Construction 1.bottom concrete
2. Liquid waterproof
3.wire mesh
4.free concrete
5.cutting
6. Epoxy coating
(0.3mm) 1.bottom concrete
2. Liquid waterproof
3.wire mesh
4.free concrete
5.cutting
6.Epoxy lining
(3mm) 1.bottom concrete
2. Liquid waterproof
3.wire mesh
4.free concrete
5.cutting
6.urethane
(3mm) 1.bottom concrete
2. Liquid waterproof
3.wire mesh
4.free concrete
5.cutting
6.Epoxy mortar
(5mm) 10.bottom concrete
20.rubber color coat
(10mm)


background
process  S.T.F S.T.F S.T.F Exposed surface treatment Exposed surface treatment lyrics
time More than 24 hours More than 24 hours More than 24 hours More than 27 hours 7 days or more Advantages -Easy to install floor slope
-Easy to install trench
-Good gloss with good gloss of floor
Easy to clean surface -Reduce construction cost
Simple process
-Let's and easy to maintain
Excellent elongation and durability to reduce cracking
Less dust Disadvantages -Severe cracking
-Severe dust generation
Complex process
High construction cost
-Hard repair in case of hardware -Diminishing illuminance due to light absorption at the bottom

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined by the appended claims. It is to be understood that such changes and modifications are within the scope of the claims.

10: floor concrete layer
20: rubber color coat layer
30: latex film layer

Claims (5)

In the floor finishing material to be installed on the concrete top,
To 13.5-14.7 parts by weight of cement and 13.5-14.7 parts by weight of sand, 11.5-12.5 parts by weight of water-soluble asphalt emulsion, 56.0-56.6 parts by weight of silica sand and a small amount of dispersant were added, and 3.3-3.7 parts by weight of water was added thereto and mixed. A water-soluble rubber color asphalt mortar, characterized by comprising a water-soluble rubber color asphalt mortar. The method of claim 1,
The water-soluble asphalt emulsion comprises 5 parts by weight of latex, 5 parts by weight of leveling agent (dispersant), 3 parts by weight of calcium chloride, and a minor amount of coloring agent (2 parts by weight or less), based on 85 parts by weight of asphalt. Water soluble rubber color asphalt mortar. The method of claim 1,
The water-soluble asphalt emulsion is 10 to 20 parts by weight of synthetic rubber latex, 1 to 10 parts by weight of hard polymer, 0.1 to 1.0 parts by weight of emulsifier, 30 to 50 parts by weight of asphalt, 5 to 15 parts by weight of pigment, modified silicone resin emulsion 1 to 10 parts by weight, 0.05 to 0.2 parts by weight of paraffin wax compound, 0.1 to 1.0 parts by weight of a stain-resistant resin, 0.005 to 0.02 parts by weight of dispersant, 11.0 to 13.0 parts by weight of ion-exchanged water, and 0.01 to 0.1 parts by weight of a thickener. Water-soluble rubber color asphalt mortar. In the floor finishing method to be installed on the concrete top,
The first step of waterproofing the PCM after cleaning and refurbishment;
A second step of forming a film having a certain strength (0.3 KG / m 3) by applying a primer special latex on the concrete foundation to stabilize the binding after the first step;
13.5-14.7 parts by weight of cement and 13.5-14.7 parts by weight of sand are mixed on the film formed from the second step, 11.5-12.5 parts by weight of water-soluble asphalt emulsion, 56.0-56.6 parts by weight of silica sand and a small amount of dispersant are added thereto. A third step of mixing and stirring 3.3-3.7 parts by weight of water thereto to produce water-soluble rubber color asphalt mortar; And,
A fourth step of applying the water-soluble rubber color asphalt mortar generated from the third step to the bottom by curing the film formed from the second step before drying; Water-soluble rubber color asphalt mortar construction method characterized in that it proceeds, including. The method of claim 4, wherein
After the fourth step, a fifth step of applying a thin film of an antifouling agent at least twice to prevent pollution and improve water resistance on the cured water-soluble rubber color asphalt mortar; Water-soluble rubber color asphalt mortar construction method further comprising a.

Images