KR20180068216A - Multiple complex Sheet Membrane Waterproofing Construction Method for using those methods and manufacturer of the Sheet Membrane Waterproofing System - Google Patents

Abstract

The present invention provides a method for manufacturing a composite waterproofing sheet having a divided protruding shape so that only advantages of an insulation method and a non-insulation method can be effectively exhibited by two waterproofing methods in a single water proofing operation, wherein the insulation waterproofing method (a construction method in which floor concrete and waterproofing layer are separated) and the non-insulation waterproofing method (a construction method in which the entire waterproofing layer is in close contact with the floor concrete) are applied in exposed or non-exposed waterproofing method for the underground structures or rooftops from the past to the present. The present invention also provides a new construction method which simultaneously obtains the insulation and the non-insulation waterproofing construction effects by a single waterproofing operation using the same.

Description

TECHNICAL FIELD [0001] The present invention relates to a method for manufacturing a composite waterproof sheet and a composite waterproof sheet using the same,

The present invention relates to a method of manufacturing a waterproof sheet having a partially protruding block shape for waterproofing an underground structure or a building structure such as a subway, an underground driveway, a roof of a building, a roof of a building, .

More specifically, a base material sheet suitable for the structure condition and waterproof condition of an underground structure or an architectural structure is selected and a point adhesive having a very strong adhesive force and adhesive force as a coating material is partially partitioned on one side of the base material sheet, The present invention also provides a method for producing a waterproof sheet of a composite type in which the waterproof sheet is laminated in the form of a sheet.

On the other hand, in the case of the non-exposed waterproofing construction using the waterproof sheet manufactured as described above, when the non-exposed waterproofing construction is performed with the composite waterproofing material, the structure behavior such as floating settlement due to the expansion and contraction of the concrete after completion of the non- The present invention provides a construction method for preventing the occurrence of frequent waterproof defects due to damages of a waterproof layer adhering to a base concrete due to damage of a base concrete according to the present invention.

In another embodiment, when waterproofing is applied on the roof of a building, waterproofing layer due to vaporization of moisture contained in the concrete after the completion of exposure waterproofing may cause wrinkles or air pockets The present invention relates to a method of manufacturing a composite waterproof sheet which forms a divisional compartment that can fundamentally eliminate a waterproof defect and a composite waterproofing method that can simultaneously achieve an insulation waterproofing and a non-insulation waterproofing using the same.

In the late modern era, many underground or ground buildings enter the city, waterproofing works must be done with waterproofing materials to prevent flooding and leakage of water into underground structures and rooftops. However, if the waterproofing works incorrectly, It is not easy to use due to damage of building structure due to leakage and flooding of the structure, and the life of the structure is shortened.

The above waterproofing material mainly used liquid asphalt waterproofing material at the beginning, and various kinds of rubber based coating material waterproofing material and acryl based coating material waterproofing material were used in accordance with the change of the times.

The coating waterproofing material is formed as a liquid and has a merit that waterproofing effect is obtained without applying joints to the base concrete by applying a waterproofing material to the base concrete with a brush or spray.

As a known method for manufacturing such a coating film waterproofing material, in order to liquefy a polymer chemical substance such as asphalt, rubber or acrylic, it is inevitably prepared by dissolving in volatile organic solvents such as toluene, xylene and benzene. In order to form a waterproof layer with a certain thickness of the coating film waterproofing material, it is applied with a brush or spray, and the coating is applied for 1 hour ~ It is difficult to form a waterproof layer having a uniform thickness and it is often difficult to form a waterproof layer because the waterproof layer is formed by repeatedly applying the waterproof layer in the same manner after drying for 3 hours.

Meanwhile, in recent years, a sheet-like waterproofing material has been used to solve the problems of the above-mentioned coating film waterproofing material.

The sheet waterproofing material is made of asphalt sheet made of asphalt and very thin polymeric synthetic resin film sheet such as PP or PE as a center material, a rubber sheet waterproofing material made of rubber sheet, or a plastic such as PP PE, EVA, The sheet waterproofing material is manufactured at a constant thickness in the factory, and therefore, the thickness of the waterproof layer is constant and the sheet material waterproofing material is excellent in various physical properties such as tensile strength, elongation percentage and tearing strength, The plastic sheet such as the PP, PE, EVA, and PVC, which are the synthetic resin of the asphalt sheet and the PVC, are connected to each other by applying a high heat through the torch-lampe or the like, If the joint is weak and the heat is strong, holes are generated.

In addition, the rubber sheet or acrylic sheet should be coated with a primer prepared by dissolving a rubber base material or acrylic in a volatile organic solvent (toluene, benzene, xylene, etc.) on a connection joint, And there is a risk of fire. Also, there is a problem that frequent defect occurs due to the failure of the connection joint portion. In the roof waterproofing method using the conventional sheet waterproofing material, a waterproof sheet such as an asphalt sheet, a rubber sheet, a plastic sheet, a nonwoven fabric sheet, or the like is adhered to the base concrete on the rooftop of the building structure, (A method of applying a waterproofing material on the entire surface by applying a waterproofing material to the upper part of the waterproofing material such as urethane or urea to have a smooth appearance)

Another construction method is an insulation waterproofing method in which a waterproofing material on the top of a concrete block on the roof is attached to a concrete without a front surface, a waterproofing material is placed on the concrete, and a coating material such as urethane or urea is applied, And the underground waterproofing is mainly applied to the waterproofing by the non-insulated waterproofing method which adheres the waterproof sheet to the whole area of the base concrete.

In other words, from the past to present, the method of roof waterproofing is a total adhesion waterproofing method (non-insulated waterproofing method) in which the entire area of the waterproofing sheet is fully adhered to the base concrete and the front non- Choose one of the two waterproofing methods (insulation waterproofing method) and apply waterproofing.

Conventional waterproof sheets for exposure or non-exposure are plastic sheet waterproofing materials such as rubberized asphalt sheet waterproofing material, rubber sheet waterproofing material, polymer synthetic resin PVC, EVA, PP, PE and TPO. And waterproof sheets using nonwoven fabrics. Conventional waterproofing sheets of various types have been made by attaching the entire area of the base concrete as one body and adopting the adhesive construction (non-insulation method), so that the waterproof layer is in close contact with the base concrete However, if the stretchability of the waterproof layer is not sufficient to accommodate the expansion and contraction of the base concrete, cracks will occur in the base concrete, or if the base concrete is deteriorated and damaged, it will be adhered to the base concrete The waterproofing layer that has been adhered is torn or damaged due to damage caused by the behavior of the base concrete, resulting in leakage and flooding, and the waterproofing function is lost.

In addition, since the background concrete contains a large amount of water in the inside, the vapor pressure is generated due to the release of the internal moisture as the temperature is higher, so that the waterproof layer, which is in close contact with the concrete, (air pocket) is generated in large quantity.

The water vapor pressure at the top of the roof of the building is 0.04kgf / ㎠ at 30 ℃, about 0.12kgf / ㎠ at 50 ℃ and about 0.32kgf / ㎠ at 70 ℃. The vapor pressure of the waterproof layer adheres to the base concrete due to the vapor pressure, and the interface between the waterproof layer and the waterproof layer adhered to each other is dropped. As a result, an air pocket, which is a swelling phenomenon of the waterproof layer, is generated.

When the conventional waterproofing sheet is applied to the roof concrete of the roof by the non-insulation method (full adhesion waterproofing method), when the atmospheric temperature of the rooftop is very cold at the zero temperature in winter and 25 ° C ~ 32 ° C in summer The temperature rises to 65 ° C ~ 75 ° C due to radiant heat, so that the moisture contained in the base concrete is vaporized and vapor pressure is generated, so that the entire surface area of the base concrete is adhered to deteriorate the interface of the waterproof layer The waterproof layer is swollen to cause a large number of wrinkles or an air pocket to be formed, thereby causing waterproofing construction

Conventionally, it is more effective to construct the waterproofing layer from the viewpoint of maintenance after the completion of the construction and to secure the waterproofing construction effect by using the non-insulating method (front adhesive bonding method) rather than the insulating construction method (flooding method) When the waterproof sheet is adhered to the base concrete layer completely, even when the base concrete is dried, since the water contains a large amount of water, residual moisture is vaporized between the concrete base surface and the waterproof layer interface to generate water vapor, Water vapor inevitably causes the waterproof layer to wrinkle or become wrinkled, or the waterproof layer will swell up due to the vaporized water jet, resulting in a large amount of air pockets.

In order to solve these problems, a de-base is formed at intervals of 2m-3m (200cm-300cm) in order to diffuse the water vapor formed between the base concrete and the waterproof layer to the outside, but it is difficult to construct, The appearance was not good to look at and there were many problems because the de-based function did not work properly over time.

In addition, since the waterproof layer is adhered to the base concrete, the interface between the base concrete and the waterproof layer is removed due to vaporization of water contained in the concrete and the waterproof layer is pushed out, and a large number of air pockets are generated Since the waterproof layer which flat and beautifully finished the waterproof construction has many air bags protruding and swelling, the outer surface of the waterproof construction is not smooth, and the waterproof layer is swollen everywhere so unevenly. However, there is a problem that it is necessary to re-open the air pocket (air pocket) protruding and bulging to remove the air and to smoothly repair it.

In case of rooftop waterproofing, there are exposed waterproofing method and unexposed waterproofing method. In case of construction with exposed waterproofing method, rooftop concrete of building structure expands and shrinks. Especially in the case of four seasons, The difference in the temperature of cold winter is large and the behavior (shrinkage and expansion) of the base concrete due to rain or snow is severe, resulting in cracks and the like

When waterproofing is applied by non-insulation method (waterproofing method is applied to the entire surface of the waterproofing material), if cracks occur in the base concrete due to shrinkage and expansion of the building structure, the waterproof layer As the concrete is cracked, it is damaged due to leakage and flooding

In addition, the insulation method (the method of applying the waterproof layer) is not applied to the front concrete with the waterproofing agent adhered to the surface, but it is applied so that the concrete is waterproof even if the concrete cracks due to shrinkage and expansion. The waterproof layer is not stable. However, since the concrete and the waterproof layer are not stable, the waterproof layer is damaged due to the blowing of the wind or the waterproof material is torn or damaged by the strong wind caused by the storm. There are a lot of cases.

If there is insufficient damage to the concrete and the waterproof layer that has been constructed, water leaks to the bottom of the waterproof layer and water leaks to the weak part of the concrete, The location of the watertight layer inundated), and even if the waterproof defect is to be repaired or supplemented, it is difficult to repair the defect because it is difficult to know the exact defect location.

As for the roof waterproofing of the newly constructed architectural structure, waterproofing construction (waterproofing construction) was carried out on the roof concrete structure in the unexposed form and the waterproof performance was secured by pouring concrete to be pressed. However, after the lapse of time, lack of durability of the waterproofing sheet (Water springs) in the waterproof layer due to the poor physical properties of the roof concrete structure, or water leakage due to cracking and cracking behavior of the roof concrete structure.

The waterproofing construction of the underground structure is generally constructed by non-insulation method (the method of constructing the whole surface and the waterproofing layer by adhesion method) as the unexposed type, and the waterproof construction with excellent waterproofing material can cause defects such as leakage and flooding. In spite of the absence of cracks, the defects are often caused by damage to concrete structures due to the behavior of the concrete structure (shrinkage relaxation, settlement) In this case, it is very difficult to repair the defects.

The waterproof construction of the roof of the building structure is a waterproofing layer. It is a non-insulation method (installation of the waterproofing layer on the front side) and a waterproofing layer on the base concrete Method).

The non-insulation method is a method of applying primer to the whole area of the base concrete, adhering the waterproof layer to the whole area and applying it closely, and the insulation method is a method of separating the base concrete and the waterproof sheet.

The present invention provides a waterproofing method which is complementary to the existing waterproofing construction itself due to the loosening of the waterproofing construction itself according to the behavior of the structure even when the waterproofing construction is performed by the insulation or non-insulation method.

KR Patent Registration No. 10-1027595 KR Patent Registration No. 10-0883743 KR Patent Registration No. 10-1659731

As described above, the present invention solves the problems and the construction method of the conventional various waterproofing materials. The present invention provides two waterproofing effects, that is, the effect of the insulating waterproofing construction method and the effect of the non- To provide a new waterproof construction method.

In addition, the present invention solves the problems of the waterproof construction method in the waterproof construction of the roof of an underground structure or an architectural structure, the upper part of an underground parking lot, and the like, and the waterproof construction effect can be further maximized. And a method for manufacturing a waterproofing sheet using the composite waterproof sheet, which simultaneously obtains an insulation composite waterproofing effect and a non-insulation composite waterproofing effect using the same.

In addition, the present invention relates to an insulating waterproofing method (a method of arranging a base concrete and a waterproofing layer) and a non-insulating waterproofing method (an entire waterproofing layer is applied to a base concrete or an underground waterproofing method A method of applying two waterproofing methods such as a method of adhering and adhering to each other and a method of adhering and adhering to each other) The present invention is to provide a new construction method that simultaneously obtains an insulation and a non-insulation waterproof effect by a single waterproof construction.

An object of the present invention is to provide a waterproofing structure that can securely protect a waterproof layer even when a structural damage due to shrinkage and expansion of a concrete structure due to a single waterproofing operation occurs, , Even if a waterproof layer is applied to a base concrete floor containing a little moisture in the base concrete, it is not necessary to install a base (a vent for discharging the saturated vapor) which is necessarily applied in the conventional waterproofing work, A composite waterproof sheet having a convexly protruding shape in the form of a divisional partition which is vaporized and excites between a waterproof layer and a concrete interface to obtain a smooth and flat waterproofing effect without causing an air pocket which is wrinkled or bulging phenomenon, The effect of insulation waterproofing method and non-insulation waterproofing method using this It is to provide a composite sheet waterproof material.

The objects to be solved by the present invention are not limited thereto, and the objects and advantages of the present invention can be clearly understood by those skilled in the art.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a composite waterproof sheet manufacturing method, which can produce various sheets such as asphalt sheet, steel sheet, rubber sheet, plastic sheet, non- (One side) of the base material sheet is provided with a convex-protruding shape in which a dividing section is formed with a constant thickness of 0.5-1.5 mm in a range of 10 cm to 15 cm in a transverse direction with respect to a lateral width (100 cm) And the remaining section is characterized by being produced by dividing the base material sheet into a form in which the point adhesive is not applied in a width of 15 cm to 20 cm.

100 parts by weight of process oil and 10 to 13 parts by weight of polybutene were added to a liquid stirrer capable of applying heat and the mixture was heated to 150 to 180 DEG C to obtain a natural rubber (NR rubber) 30 to 70 parts by weight of a rubber softened with a rubber (SBR rubber) was added and stirred to completely dissolve. Then, 7 to 11 parts by weight of petroleum resin as a tackifier, 8 to 13 parts by weight of polybutene, To 8 parts by weight of cumaron resin and 2 to 7 parts by weight of Cumaron resin were added and stirred to confirm that they were completely melted. Then, 1-2 parts by weight of RD (trimethyl dihydroquinoline) as an antioxidant, SP (Styrenate phenol) 0.5 to 2 parts by weight of a reinforcing agent, 5 to 11 parts by weight of white carbon as a reinforcing agent, 12 to 18 parts by weight of Activated Clay as a filler and 7 to 15 parts by weight of micar powder, Of a volatile organic solvent is added to the pressure-sensitive adhesive A pressure-sensitive adhesive of the mouth.

Such a point adhesive is characterized in that it is good and easily adhered while exhibiting a strong adhesive force in an asphaltic form, an iron plate, an aluminum sheet, a rubber sheet, a wood, a nonwoven fabric sheet, a concrete, a plastic sheet or the like at room temperature.

According to another aspect of the present invention, there is provided a method of manufacturing a composite waterproof sheet, including: forming a base material sheet; A feeding step of feeding and conveying the base material sheet in the longitudinal direction; Forming an adhesive layer in a longitudinal direction of the base material sheet so as to form an interval between the insulating section and the non-adhesive layer in the width direction of the base material sheet; Attaching a release paper to an upper portion of the base material sheet in which a point adhesive having a section formed on the base material sheet is applied in a convex-protruding form; A cooling step of spraying air onto the base material sheet to which the release paper is attached to perform cooling processing; And a step of winding and winding the waterproof sheet that is cooled and cut to a predetermined length and rounding the waterproof sheet, wherein the waterproof sheet is formed in a convex-protruded shape.

When the composite waterproof sheet produced by the above-described manufacturing method is applied, the section where the adhesive is applied and laminated is laminated on the one surface of the base material sheet so as to be spaced apart at regular intervals and protruded, (A method of applying a waterproofing material on the entire surface) is obtained, and a section of the base material sheet on which a point adhesive is not applied and laminated is obtained an insulation construction effect (a method of installing a waterproofing material).

Therefore, the composite waterproof sheet manufactured according to the present invention is characterized in that it is possible to obtain the effect of simultaneously constructing two waterproofing methods such as a non-insulating construction method and an insulation construction while performing a waterproof construction once.

As a method for manufacturing the composite waterproof sheet for exposure, which is another embodiment of the composite waterproof sheet, one plastic resin among plastic resins such as PP, PVC, PE, EVA and TPO is selected as a base material sheet, Extruding a plastic sheet having a thickness ranging from 0.3 mm to 1 mm and withdrawing the sheet; Subjecting the surface of the plastic sheet to a corona discharge treatment and then applying heat to the sheet to form a long-fiber nonwoven fabric; Applying one coating film waterproofing material selected from urethane or urea on the long fibrous nonwoven fabric; So that the waterproof construction is performed.

In the above, The long-fiber nonwoven fabric preferably has a thickness of 0.1 mm to 0.7 mm, a weight of 20 g / m 2 to 300 g / m 2, and a tensile strength of 5 kgf / 5 cm to 60 kgf / 5 cm.

Another feature of the present invention resides in that a composite waterproof sheet is manufactured by excluding a plastic sheet as a polymer synthetic resin and adopting a compression-molded long-fiber nonwoven fabric as a sole material to form a waterproof sheet for exposure.

In the method of applying waterproofing of the complex waterproof sheet according to the present invention, there are a pre-treatment step of arranging the base concrete surface in a clear manner by complementing the laitance and cracks formed on the surface of the base concrete to be applied; A primer applying step of applying a primer on the cleaned concrete surface; (One side) of a base material sheet having a thickness of 0.5 mm to 2 mm and a width of 100 cm (1meter) and a length of 10meters is provided on the primer layer at a thickness of 0.5 mm to 1.5 mm in the longitudinal direction, And the end portions of the composite waterproof sheet and the waterproof sheet, which are composed of a plurality of division sections not coated with a point adhesive, are flattened with each other A composite waterproof sheet attaching step of attaching the composite waterproof sheet so as to be in close contact; A joint part finishing step of attaching a damping band having a thickness of 0.1 mm to 0.5 mm and a width of 10 cm to 15 cm on a plastics sheet coated with a point adhesive on the upper part of the joint part of the composite waterproof sheet; Coating a coating water repellent agent selected from liquid urethane or urea on the composite waterproof sheet at a thickness ranging from 1 mm to 2 mm; And applying a top coating agent for blocking ultraviolet rays to the surface of the coating film waterproofing agent.

In another embodiment of the method for constructing a composite waterproof sheet according to the present invention, a non-exposed waterproof construction method includes: a pretreatment step of neatly arranging a base concrete surface by complementing lattices and cracks formed on a surface of a base concrete to be applied; A primer applying step of applying a primer on the cleaned concrete surface; A base material sheet having a thickness of 0.5 mm to 1.5 mm and a width of 100 cm (1 meter) and a length of 10meters is formed on the primer layer, a thickness in the range of 0.5 mm to 1.5 mm in the longitudinal direction, And a side surface of the composite waterproof sheet and the composite waterproof sheet which are manufactured by forming a plurality of section sections not coated with a point adhesive are formed in the 18 cm to 20 cm section with respect to the width of the width A waterproof sheet attaching step of attaching the waterproof sheet so as to be in flat contact with each other; A connection point for attaching a damping band having a thickness of 0.1 mm to 0.5 mm and a width of 10 cm to 15 cm on the top of the composite waterproof sheet and the composite waterproof sheet, Partial closure phase; And placing the push concrete on the waterproof sheet (waterproof layer) after the completion of the construction.

According to the present invention, one of an asphalt sheet, a rubber sheet, a plastic sheet, and a long fiber nonwoven fabric sheet is used as a mother sheet, and a point adhesive is convexly protruded at a width of 10 cm to 15 cm in the width direction of a base material sheet having a width of 100 cm In the longitudinal direction while applying a long point adhesive in the longitudinal direction to form a width of 15 cm to 20 cm in the transverse direction and not to apply the point adhesive in the longitudinal direction so as to form a section projected to the convex- Insulating waterproofing method (waterproofing method) and non-insulated waterproofing method (waterproofing method) with a single waterproofing construction when the waterproofing work is performed with the composite waterproofing sheet composed of the section where the adhesive is not applied and the area where the adhesive is not applied. (The method of applying the entire area of the waterproofing material), and the advantages of the two kinds of waterproofing methods by a single waterproofing construction Since the effect of simultaneous exertion can be achieved, the concrete can achieve a perfect waterproofing effect continuously without any damage to the waterproof layer even if an underwater settlement, shrinkage expansion, or crack occurs, and the moisture contained in the concrete can be vaporized and expanded The airtightness of the waterproof sheet does not swell up or the air pocket is not formed. Therefore, the waterproofing effect is obtained in a flat and beautiful manner.

The effects of the present invention are not limited to the above-mentioned effects, and effects not mentioned can be clearly understood by those skilled in the art from the present specification and the accompanying drawings

1 is a perspective view showing a composite waterproof sheet in the form of a convex projection according to a first embodiment of the present invention.
FIGS. 2A to 2C are cross-sectional views showing a composite waterproof sheet in the form of a convex projection in which a sheet of asphalt-based material is applied to a base material sheet.
FIGS. 3A and 3B are cross-sectional views showing a composite waterproof sheet in the form of a convex protrusion in which a polymer synthetic resin (plastic) sheet is applied as a base material sheet.
4 is a cross-sectional view showing a composite waterproof sheet in the form of a convex projection in which a nonwoven fabric is applied as a base material sheet.
5A and 5B are views showing an insulating and non-insulating composite waterproof structure using a composite waterproof sheet of a convex-protruding form in which a nonwoven fabric sheet is applied to a base material sheet in the present invention
Fig. 6 is a view for explaining the waterproof sheet for exposure which also serves as an insulating material.
Fig. 7 is a view for explaining a construction method using the convexly projecting composite waterproof sheet. Fig.
Fig. 8 is a view for explaining another method of construction using the convexly projecting composite waterproof sheet.
9 is a view showing an apparatus for manufacturing a composite waterproof sheet in the form of a convex projection according to a preferred embodiment of the present invention

BRIEF DESCRIPTION OF THE DRAWINGS The present invention is capable of various modifications and various embodiments, and specific embodiments are illustrated in the drawings and will be described in detail in the detailed description. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout. A duplicate description will be omitted.

FIG. 1 is a perspective view showing a composite waterproof sheet of a convex-protruding shape formed with a dividing section according to a first embodiment of the present invention.

Referring to FIG. 1, the composite waterproof sheet 10 having a convex-protruded shape according to the present invention is formed by dividing the base material sheet 100 in the transverse direction into sections, (0.5 mm to 1.5 mm) in the form of convex protrusions, and then a long adhesive agent is applied in the longitudinal direction. Subsequently, the adhesive agent is applied to the sections where the adhesive is not applied in the intervals of 15 cm-20 cm And a point adhesive layer (200) configured to divide and intersect the section where the convexly protruded portion and the portion not coated with the pressure sensitive adhesive are separated from each other by applying a point adhesive to a sheet having a width of 100 cm (1 meter) .

More specifically, in the method for producing a composite waterproof sheet according to the present invention, the convex-protruded composite waterproof sheet 10 having the division section of the present invention is manufactured to have a width of 1 m in the lateral direction and a length of 10 m in the longitudinal direction In the manufacturing process, the base material sheet 100 having a width of 1 m in the transverse direction is spaced apart at intervals of 10 cm-15 cm, so that the environment-friendly solvent-free type point adhesive is shrunk to a thickness of 0.5 mm -1.5 mm And the resulting adhesive layer 200 is applied in the longitudinal direction.

That is, since the composite waterproof sheet 10 having the convex-protruding section formed with the section is convexly protruded at a predetermined height (height) in the region where the adhesive layer is laminated, the waterproofing construction with the composite waterproof sheet of the present invention , It is possible to obtain the effect of stably and strongly adhering the protruding point adhesive of the base concrete and the composite waterproof sheet and to obtain the effect of the non-insulating method (the method of adhering the entire surface of the waterproofing material) It is possible to obtain the effect of non-insulation method (method of installing waterproofing material) by using the grounded concrete section and the hollow space.

On the other hand, in the above-mentioned point adhesive, 100 parts by weight of process oil and 10 parts by weight of polybutene are added to a liquid-phase stirrer capable of applying heat, and the rubber obtained by softening natural rubber and synthetic rubber is boiled at 150 to 180 캜, 7 to 11 parts by weight of a petroleum resin as a tackifier, 8 to 13 parts by weight of polybutene, 4 to 8 parts by weight of a pile paper and 2 to 7 parts by weight of a coumarone resin were added and stirred to obtain a completely melted , 1-2 parts by weight of RD (trimethyl dihydroquinoline) as an antioxidant, 0.5-2 parts by weight of SP (Styrenate phenol) as an antioxidant, 5-11 parts by weight of white carbon as a reinforcing agent, 12-18 parts by weight of a filler And 7-15 parts by weight of mica are added and stirred.

Conventional adhesives or adhesives are manufactured by dissolving rubber compounded dough in organic solvents such as toluene, xylene, benzene, etc., and are harmful substances to the human body due to the danger of large-scale fire, paralysis caused by respiration and odor .

The solvent-free type point-sticking adhesive, which is another feature of the present invention, is an environmentally-friendly solvent-free type point-stick adhesive which is not mixed (added) with organic solvents at all. The vegetable or mineral oil is boiled by heating at 150 to 180 ° C, And the mixture is mixed and stirred so as to disperse evenly by adding an antioxidant, a dye, a reinforcing agent and a filler.

The point adhesive thus prepared is maintained in a dead-rolled state at a temperature of 120 ° C. or higher, but has a sticky, semi-solid jelly-like shape having fluidity when cooled to room temperature and exhibits a very strong point-sticking property to concrete, plastic, steel plate and wood .

Rubber (natural rubber and synthetic rubber) is a polymer chemical substance. It is made of natural rubber (NR rubber) or synthetic rubber (SBR rubber) to dissolve mineral oil or vegetable oil by boiling at a high temperature (100-250 ° C) It is impossible to dissolve the rubber in the liquid phase while boiling the oil because there is no melting at all, and the higher the temperature of the boiling oil becomes, the harder the coagulation and hardening becomes.

SIS (Styrene Isoprene Styrene), SBS (Styrene Butadiene Styrene), SEBS (Styrene Ethylene Butadiene Styrene), a rubber-like elastomer and thermoplastic elastomer, are rubber-like resins that dissolve in mineral oil or vegetable oil by boiling at 150-180 ° C However, the rubber-like resin has a problem of high price.

The present invention relates to a process for producing an environmentally friendly solvent-free point adhesive without addition of an organic solvent, in which a rubber is itself softened in oil without using any of SIS, SBS and SEBS which are thermoplastic elastomers and resin dyes, By manufacturing an adhesive, an eco-friendly point adhesive having more excellent physical properties has been produced, and it has also helped cost reduction.

As a result of repeatedly testing the present invention, it was found that the rubber composition obtained by mixing the natural rubber (NR rubber) and the synthetic rubber (SBR rubber) at a ratio of 7: 3 had excellent physical properties, particularly adhesion strength.

That is, when the waterproofing is performed using the composite waterproof sheet according to the present invention, the waterproof sheet is protected when cracks are generated due to shrinkage and expansion of the base concrete, or when concrete failure such as floating settlement occurs, The moisture of the base concrete is vaporized, and the interface between the concrete and the waterproof layer is removed by the vapor pressure. The waterproof layer is prevented from being inflated by the air pockets and the wrinkles are formed. .

In the present invention, a base material sheet 100 is laminated on a base sheet having a width of 100 cm in a width of 10 cm to 15 cm to laminate a point adhesive (protruding) convexly and convexly (protruding) to a constant thickness (0.5 to 1.5 mm) Then, the section is divided into 15 cm-20 cm widths to form a section in which the point adhesive is not laminated, and then the section section is formed by laminating a 10 cm-12 cm section of the point adhesive on the composite section. Was prepared so as to have a plurality of sections coated with a point adhesive in the transverse and longitudinal directions and to be divided into sections so as to form a plurality of sections not coated with the point adhesive.

More specifically, in the composite waterproof sheet of the present invention, four rows of protrusions protruding from a 100 cm-wide mother sheet with a width of 10 cm-15 cm are formed in a lengthwise direction, And the length of the non-formed portion is 15 cm-20 cm wide.

In the present invention, a large number of test steps were performed to confirm that the larger the section not coated with the point adhesive than the section where the adhesive was applied based on the width of the base material sheet, the more stable the effect of the non-insulated waterproofing method, The effect is obtained.

More specifically, the composite sheet according to the present invention is a composite sheet having a larger width in a section where a point adhesive is not applied than a section in which a point adhesive is applied, It was confirmed that there was no damage to the waterproof layer due to the damage and that the diffusion of water vapor due to the water vaporization of the base concrete facilitated smooth removal of wrinkles and air pockets in the waterproof layer

Another feature of the present invention is that the base material sheet 100 applied to the composite waterproof sheet of convex-protruding shape in which the divisional sections are formed can be various sheets manufactured in a sheet state.

FIGS. 2A to 2C are cross-sectional views showing a composite waterproof sheet in the form of a protruding protrusion in which a partition section in which a sheet of asphalt-based material is applied as a base material sheet is formed.

As shown in FIG. 2A, the asphalt is a thermosensitive material having a property of breaking down when the temperature is high and breaking when the temperature is low. Since the asphalt itself can not be made into a sheet, the base material sheet 100a of the asphalt material (Insert type) of PP, PE, or the like, which is very thin (0.02 mm to 0.05 mm) synthetic resin as the center of the asphalt sheet 102, and laminated asphalt on both sides of the plastic film sheet 300 A plastic film sheet 300 such as PP or PE, which is a synthetic polymer sheet, is attached to one side of the asphalt-based sheet 102 as shown in Fig. 2B. Alternatively, as shown in Fig. 2B, The waterproof sheet of the present invention can be produced by applying the asphalt sheet prepared by attaching the plastic film sheet 300 to the base material sheet

A polymeric synthetic resin (plastic) such as PP or PE adhered to the asphalt sheet was laminated on the upper side of the lateral surface of the sheet at intervals of 10 to 12 cm in width in a concavo-convex form to form a convexly protruded point- ), And a section in which the adhesive agent is not applied in a width of 18 cm to 20 cm is formed apart, a composite waterproof sheet of the present invention is produced

FIGS. 3A and 3B are cross-sectional views showing a composite waterproof sheet in which a point adhesive material is divided into convexly protruded shapes by applying a plastic synthetic resin (PP, PE, EVA, PVC, etc.) sheet as a base material sheet

3A, a base material sheet 100b, which is applied to a composite waterproof sheet having a convex-protruding shape divided into sections according to the present invention, includes a base material sheet 100b, which is a polymeric synthetic resin sheet 104, Can be applied. In the case of the plastic sheet 104, the section is spaced apart from the width of 10 to 15 cm from the width of the plastic sheet made of a sheet having a thickness of 0.3 mm to 1 mm, such as PP, PE, EVA, PET, TPO, And the other part of the width of the width is 15 to 20 cm in width and is not coated with a point adhesive, and a divisional partition is formed on the plastic base material sheet And shows the shape of the composite waterproof sheet 10 of the convexly projecting form of the present invention,

Another embodiment of the present invention is a method of waterproofing and waterproofing a floor panel, comprising the steps of: applying a base material sheet laminated on a base concrete in the form of convex protrusions formed by a sectioned section and flattening the base material sheet, The liquid coating film waterproofing material may include a urethane coating waterproofing material, a urea coating waterproofing material, and an acrylic coating film waterproofing material, and the urea coating waterproofing material may include a quick-setting coating film waterproofing agent and a room temperature hardened coating film waterproofing material.

When plastic sheets such as PP, PVC, PE, EVA, TPO, and olefin, which are polymer synthetic resins, are used as a waterproofing material for exposure, the above plastic sheets are coated with liquid urethane and urea which are gambling- The plastic sheet is not suitable as an exposed waterproofing material because the sheet and the coating film waterproofing material are not integrally adhered (adhered). Therefore, the method of applying the coating material waterproofing material on the plastic sheet is avoided.

When a plastic sheet, which is another feature of the present invention, is applied as a base sheet, a plastic resin such as PP, PVC, PE, EVA, TPO or olefin series which is a polymer synthetic resin is drawn out from an extruder by an extruder, (0.1 to 0.5 mm) long filament nonwoven fabric (400) is manufactured by heating and pressing while making a long filament nonwoven fabric (400) having a thickness of 0.1 to 0.5 mm, (Upper part) of the coating film was coated with a waterproofing agent such as urethane and urea.

In the case where the long fiber nonwoven fabric sheet 106, which is another feature of the present invention, is used alone as a base material sheet for waterproofing for exposure, a nonwoven fabric formed sheet 106) exhibits a non-woven fabric in which the surface of the non-woven fabric sheet does not crease and the surface of the non-woven fabric is smooth and slightly stiff.

The nonwoven fabric composite waterproof sheet 10 of the present invention is produced by coating and laminating a pressure-sensitive adhesive on one side (one side) of the compression-molded nonwoven fabric in the form of convex protrusions with a width of 10-15 cm apart in the transverse direction .

When the nonwoven fabric sheet 106 is used alone as the base material sheet 100c, there are many types of nonwoven fabric. Various nonwoven fabrics of the present invention were obtained and repeatedly tested. As a result, The nonwoven fabric having a thickness of 0.7 mm and a weight of 20 g / m 2 to 300 g / m 2 and a tensile strength of 15 kgf / 5 cm to 60 kgf / 5 cm was applied as the base material sheet.

As shown in FIG. 5A, the composite waterproof sheet 10 having the nonwoven fabric sheet 106 of the present invention applied as a base material sheet 100c, When a liquid waterproofing material such as urethane or urea is applied to the upper portion of the attached nonwoven fabric after the adhesion, the nonwoven fabric sheet 106 is strongly impregnated with the liquid waterproofing material while being impregnated into the nonwoven fabric sheet 106, Effect.

If the nonwoven fabric sheet 106 is to be used as a base material sheet, the non-exposed waterproofing construction is completed when the pushing mortar 600 is installed as shown in FIG. 5B.

For reference, a nonwoven fabric refers to a fabric that is not fabricated by spinning and weaving (weaving), that is, a fabric that is not woven. It is defined as a combination of fibers by physical or chemical methods or by applying appropriate water or heat. do.

In the present invention, the composite waterproof sheet of the present invention was tested and tested by applying a nonwoven fabric formed by heat and compression to the base material sheet of the waterproof sheet. As a result, the waterproof sheet was excellent in all properties, I also found it helpful.

6, which is a further feature of the present invention, a method for manufacturing a composite waterproof sheet 10 for exposure, which also serves as a thermal insulation, comprises the steps of forming both sides of a foamed polyester 108 on a base sheet (100d), and a point adhesive is laminated by applying a laminate of a thickness of 0.5 to 1 mm with a width of 10 to 15 cm in the transverse direction of the base material sheet to form a divisionally divided protruding form, and a section without lamination of the point adhesive is 15 -20 cm to form a separation section, thereby producing a composite waterproof sheet in which a divisional section is formed and an adiabatic effect is exerted.

The composite waterproof sheet 10 thus produced and the waterproof sheet were flatly connected and bonded to each other, and then a plastic band having a thickness of 0.1-0.5 mm was laminated on the plastic sheet having a thickness of 0.1-0.5 mm. And waterproofing is carried out by using a waterproof sheet for insulation which also serves as an insulating material by applying or spraying urethane or urea as a liquid waterproofing material.

Another feature of the present invention resides in that when it is desired to perform a non-exposed waterproofing work with a combined waterproofing sheet serving as a heat insulating member, the composite waterproofing sheet serving also as the above- After applying waterproofing by attaching a thin point-adhering plastic sheet band, applying a liquid coating agent on the waterproofing composite waterproofing sheet and placing the pressed concrete on the upper part of the composite waterproofing sheet is completed without waterproofing .

For example, in the base material sheet applied to the composite waterproof sheet of the present invention, a composite waterproof sheet of the convex-protruded shape in which the divided sections of the present invention are formed can be manufactured by applying a sheet made of various materials in addition to the above- The composite waterproof sheet of the present invention can be produced by applying a rubber sheet based on rubber or a fiber sheet woven with natural and synthetic fibers, though not exemplified above.

The waterproofing work of an underground structure or a building structure using a composite waterproof sheet having a convex-protruding shape having the above-described divisional partition structure can be applied to the outside of a concrete structure by a composite waterproof sheet of the present invention, It is a double waterproof construction method that simultaneously exhibits the waterproof construction effect of the insulation method and the waterproof construction effect of the non-insulation method by performing a single waterproof construction. Thus, the underwater structure or the concrete structure of the ground structure is flooded And the effect of completely preventing the inflow of water due to infiltration.

More specifically, the effect of using the composite waterproof sheet of the convex-protruding shape formed by the division of the present invention can be achieved by two waterproofing methods, that is, a construction effect of a non-insulated construction method, It is possible to apply the two kinds of waterproofing construction method (method) in a single waterproofing construction method so as to exhibit the effect of waterproofing construction.

In the composite waterproof sheet of the convex form according to the embodiment of the present invention, a point adhesive having a certain thickness is formed by being laminated in a longitudinal direction on one side of the base material sheet in a protruding shape of 10-15 cm width in the transverse direction, If the adhesive is applied to the concrete to be waterproofed, it is possible to obtain a waterproofing effect of non-insulation (adhesive method) applied by stably bonding the whole area with the base concrete like the case where the whole area of the base concrete is stably adhered (Space) of the waterproof sheet (base material sheet) is spaced apart by 15 cm to 20 cm width in the transverse direction to form a void space in the longitudinal direction in which the pointless adhesive is not applied, so that the composite waterproof sheet is separated ) To obtain the effect of construction with the insulation method (float method) which obtains the effect of construction.

In the conventional waterproof construction method, waterproofing is performed by selecting one of the two construction methods of the insulation construction method and the non-insulation construction method. However, the composite waterproofing sheet of the present invention having the convex- The advantages of the two waterproofing methods, which are the effects of the non-insulated waterproofing method (full bonding method) and the insulating waterproofing method (floodproofing method), are merely the advantages of the insulating or non-insulating waterproofing method. And to provide a new construction method which is not available in the prior art.

The composite waterproof sheet of the convexly protruding shape of the present invention having the division of the present invention requires about half (2/1 or less) of the point adhesive and is waterproof Thereby helping to reduce the manufacturing cost of the sheet.

In the conventional waterproofing method, the total adhesion waterproofing method (non-insulating method) is applied to prevent the waterproof layer from swelling or air pockets and wrinkles due to the water vapor pressure which is evaporated by the water contained in the base concrete, As shown in Fig.

When the waterproofing is performed with the composite waterproof sheet having the convex-protruding shape of the present invention section, water vapor (vapor pressure) expanded due to vaporization of water contained in the base concrete is spread at a constant interval (18 cm to 20 cm width) -1. Mm is spread and dispersed in a region where the point adhesive is not applied, thereby suppressing the occurrence of air pockets due to vaporization of water contained in the base concrete, thereby obtaining a smooth and smooth waterproof construction effect.

Another aspect of the present invention is to provide a composite waterproof sheet of the present invention having a 10 to 12 cm wide pressure-sensitive adhesive layer strongly adhered to a base concrete when the waterproofing construction is completed, Since the section is formed in a state of being adhered to the concrete, there is an advantage that the leakage and the flooding section can be easily found and repaired.

The composite waterproof sheet having the convex-protruding shape of the present invention is formed of a plastic sheet or asphalt sheet such as a polymer synthetic resin such as PVC, PE, PP, EVA, TPO, or PET or a natural and synthetic fiber sheet, Sheets or the like is applied as a base material sheet,

In one embodiment, the base material sheet is prepared by winding a base material sheet having a thickness of 0.3 mm to 1 mm and having a sheet width of 1 m and a width of 300-500 m, and winding the base material sheet on a winding machine. The adhesive was applied with a thickness of 0.5 to 1.5 mm and a lateral width of 10 to 15 cm while the lateral direction was moved by 15 to 20 cm and a release paper was applied while a long point of adhesive was applied in the longitudinal direction in the same shape as the lateral width, After cutting and packing, store and supply according to the order of customer.

Among the above plastic sheets, PVC, PE, PP, EVA, and TPO sheets are preferably used when producing waterproof sheets for exposure or unexamination, and PET sheets are preferably used when fabricating waterproof sheets for abdomen.

7 is a view for explaining a waterproofing method for exposure using a convex-protruded composite waterproof sheet in which a section is formed.

In order to accomplish the above-mentioned object, a method for waterproofing for exposure includes a pretreatment step of neatly arranging a base concrete surface by complementing a laitance and a crack formed on a surface of a base concrete to be applied;

A primer applying step of applying a primer on the cleaned concrete surface;

A base material sheet having a thickness of 0.5 mm to 2 mm and a width of 1 m and a length of 10 m is formed on the primer layer at a thickness of 0.5 mm to 1.5 mm in the longitudinal direction and 10 cm to 12 cm in width, A composite waterproof sheet having a pointed adhesive layer formed integrally with a plurality of partitioned sections not coated with a point adhesive, and a neighboring composite waterproof sheet having an end portion A composite waterproof sheet attaching step of attaching the composite waterproof sheet so as to be in close contact with each other;

A joint part finishing step of attaching a damping band having a thickness of 0.1 mm to 0.5 mm and a width of 10 cm to 15 cm to a plastic sheet coated with a point adhesive on the upper part of the joint part of the composite waterproof sheet;

Coating a coating water repellent agent selected from liquid urethane or urea on the composite waterproof sheet at a thickness ranging from 1 mm to 2 mm;

And applying a top coating agent for blocking ultraviolet rays to the surface of the coating film waterproofing agent.

In the case of a non-visible waterproofing construction, which is another feature of the present invention, the composite waterproof sheet is applied to the base concrete by the above-described method (exposure waterproofing method), and then the urethane and urea, Instead, if you push concrete to be pushed, it will be waterproofed and uncooled.

Referring to FIG. 8, another exposure method for the above-mentioned purpose includes: pre-treating the surface of the base concrete 90 to be waterproofed; (Not shown) at a central position where a composite waterproof sheet 10 and a waterproof sheet are to be joined to each other on a pre-treated basis concrete surface; Thinly applying the primer (20) on the surface of the backing concrete (90) marked with a joint; Attaching a band 30 formed by applying a thin layer of a thin adhesive (0.1-0.5 mm) to a plastic sheet such as PP, PE, Attaching the waterproof sheet (10) and the waterproof sheet in a flat manner with respect to the center line of the upper portion of the band (30) attached thereto; Applying a coating film waterproofing material 40 such as urethane or urea to the upper part of the waterproofing layer to which the waterproofing sheet 10 and the waterproofing sheet 10 are attached flatly; The waterproofing work is completed by applying the ultraviolet shielding top coating agent 50 for protecting the waterproofing material coated with the ultraviolet rays on the upper part coated with the coating film waterproofing material.

In the above-mentioned construction method, if the waterproofing work for unexamined waterproofing is to be carried out, the waterproof sheet is attached to the base concrete as described above, and then the liquid concrete film waterproofing material is not applied, If you put it in place, the desired non-visible waterproofing construction is completed.

The present invention is characterized in that when the composite waterproof sheet of the present invention is adhered to a base concrete, two effects of a non-insulating waterproofing method and an insulating waterproofing method It is possible to obtain an effect of flat construction without the step of the connecting joint portion of the sheet waterproofing material because no air pocket or the like does not occur even if a ventilation is not carried out by installing a debris foundation or the like in a certain area, So as to obtain a smooth and beautiful waterproofing effect after the waterproofing work.

FIG. 9 is a view showing an apparatus for manufacturing a partitioned convexly projecting composite waterproof sheet according to a preferred embodiment of the present invention.

9, the composite waterproof sheet manufacturing apparatus 1 having a convexly protruded portion includes a take-up portion 2 in which the base material sheet 100 is wound round, a point adhesive is fed from the stirring tank 3 to the application portion 4, A piping section 5 for applying a paste to the application section 4, a point-adhesive application section 4 for applying and laminating the point-adhesive transferred to the application section 4 in a lengthwise direction in four rows while applying the adhesive in a width of 10 to 12 cm in the transverse direction, Attaching the release paper (9) to an upper portion of the pressure-sensitive adhesive sheet (200) coated with a point adhesive in a convex-protruding form in the paper (4), cooling the paper 7), and a winding portion 8 for winding and winding the waterproof sheet that has been cooled and moved by cutting the waterproof sheet to a predetermined length and winding it round.

Another aspect of the present invention is to provide a long fiber nonwoven fabric having a thin polyester layer (thickness of 0.1 to 0.7 mm) (one side (one side) of a plastic sheet such as PP, PE, PVC, 10-200 g / m < 2 >) to produce a plastic sheet.

In order to adhere the polyester long-fiber nonwoven fabric sheet to the plastic sheet, it is preferable that the plastic sheet is corona discharge treated to scratch the surface of the plastic sheet, followed by heat-sealing.

In the test process of the present invention, the epoxy adhesive and the adhesive of the rubber base were thinly applied to the plastic sheet to attach the nonwoven fabric sheet. Although the adhesive strength was excellent at the beginning, it was found that the adhesive strength was weakened (160 ° C to 230 ° C), extruding the plastic resin to a predetermined thickness (0.3-1 mm) with a tie die to form a sheet The surface of the plastic sheet was subjected to a scratching treatment while corona discharge treatment was performed and then the polyesters long filament nonwoven fabric was heat treated at a high temperature (180 DEG C to 210 DEG C) And the long fiber nonwoven fabric are bonded, the plastic sheet and the nonwoven fabric are not separated from each other even after a lapse of time, .

Another feature of the present invention is that the method of bonding (bonding) the plastic sheet to the nonwoven fabric is troublesome, and there is no simple method of excluding the plastic sheet and utilizing the long-fiber nonwoven fabric as the parent sheet, , A nonwoven fabric sheet formed by thermoforming and compression molding by heating in the process of producing a long-fiber nonwoven fabric is used alone, and a composite waterproof sheet having a dividing section formed in convex-protruding form by applying a point- .

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

10: Composite waterproof sheet
100: Base material sheet 200 Adhesive layer
100a: Sheets of asphalt material
102: Asphalt sheet 300: Film sheet
100b: Base material sheet applied to the composite waterproof sheet
104: plastics cloth 106: long fiber nonwoven fabric sheet
100c: base material sheet 108 formed of nonwoven fabric sheet: foamed polyester
700: Aluminum foil 100d: Base material sheet formed of aluminum foil
90: Background Concrete 20: Primer
30: Band 40: Waterproof material 50: Top coating material
2: release section 3: stirring tank 4:
5: Line section 7: Cooling section 8: Winding section
9: release paper

Claims (6)

Forming a base material sheet composed of one sheet selected from an asphalt sheet, an iron plate, a rubber sheet, a plastic sheet, and a nonwoven fabric according to a request of a consumer or a condition of a concrete structure;
A feeding step of feeding and conveying the base material sheet in the longitudinal direction;
(100) is formed on one surface of the base material sheet through a plurality of nozzles formed in the application portion (4) from the stirring tank (3) so that the insulating section and the non-projecting study are alternately formed in the width direction of the base material sheet. Cm), a point adhesive layer having a thickness of 0.5-1.5 mm in the range of 10 cm to 15 cm is formed in a protruding form, and the remaining portion is made of a point adhesive layer having a width of 15 cm to 20 cm Forming a pressure-sensitive adhesive layer;
Attaching a release paper (9) to an exposed surface of a point adhesive layer formed on one side of the base material sheet;
A cooling step of spraying air (7) onto the base material sheet to which the release paper is attached to perform cooling processing;
And a winding step of winding the waterproof sheet, which is cooled and moved, into a predetermined length and winding it round,
In the adhesive layer forming step, the partition area where the point adhesive is not applied is broader than the partition area coated with the point adhesive based on the width of the base material sheet, so that the concrete caused by the immersion and cracks of the base concrete It is a non-insulated waterproofing method that can easily remove wrinkles and air pockets on the waterproof layer due to the prevention of damage to the waterproof layer due to damage and the diffusion of water vapor due to water vaporization of the ground concrete, And the second waterproofing sheet has the same characteristics as the first waterproofing sheet.
One of the plastic resins selected from among PP, PVC, PE, EVA and TPO is extruded from an extruder into an extruder Tdie to form a base sheet to be extruded into a plastic sheet having a thickness of 0.3 mm to 1 mm ;
A nonwoven fabric adhering step of applying a heat of corona discharge to the surface of the base material sheet and applying heat at a high temperature to adhere the long fiber nonwoven fabric;
The base material sheet has a protruding shape with a thickness of 0.5-1.5 mm in a range of 10 cm to 15 cm with respect to a lateral width (100 cm) in a lateral direction on one surface of the base material sheet so that the insulating section and the non- Forming a pressure-sensitive adhesive layer on the pressure-sensitive adhesive layer, and forming a pressure-sensitive adhesive layer having a remaining width of 15 cm to 20 cm with no pressure-sensitive adhesive applied;
Attaching a release paper to an exposed surface of the adhesive layer formed on one side of the base material sheet;
A cooling step of spraying air onto the base material sheet to which the release paper is attached to perform cooling processing;
And a winding step of winding the waterproof sheet, which is cooled and moved, into a predetermined length and winding it round,
Wherein the durability of the base material sheet is improved by applying a coating material waterproofing material selected from urethane or urea to the upper surface of the nonwoven fabric after attaching the base material sheet to the concrete surface.
3. The method according to claim 1 or 2,
As the point adhesive, 100 parts by weight of process oil and 10 to 13 parts by weight of polybutene were added to a liquid stirrer capable of applying heat, and 20 to 35 parts by weight of a rubber obtained by softening natural rubber and synthetic rubber while boiling at 150 to 180 캜 was added 7 to 11 parts by weight of a petroleum resin as a tackifier, 8 to 13 parts by weight of polybutene, 4 to 8 parts by weight of a papermaking resin, and 2 to 7 parts by weight of a coumarone resin were added and stirred to confirm complete melting, 1-2 parts by weight of RD (trimethyl dihydroquinoline) as an antioxidant, 0.5-2 parts by weight of SP (Styrenate phenol) as an antioxidant, 5-11 parts by weight of white carbon as a reinforcing agent, 12-18 parts by weight of cray as a reinforcing agent, And 15 parts by weight of water are added to the mixture and stirred.
3. The method of claim 2,
remind Wherein the long fibrous nonwoven fabric has a thickness in the range of 0.2 mm to 0.7 mm and a weight in the range of 20 g / m 2 to 300 g / m 2, and a tensile strength in the range of 15 kgf / 5 cm to 60 kgf / 5 cm.
A preprocessing step of arranging the concrete surface of the concrete by complementing the laitance and cracks formed on the surface of the concrete to be constructed;
A primer applying step of applying a primer on the cleaned concrete surface;
A base material sheet having a thickness of 0.5 mm to 2 mm and a width of 1 m and a length of 10 m is formed on the primer layer at a thickness of 0.5 mm to 1.5 mm in the longitudinal direction and 10 cm to 15 cm in width, A composite waterproof sheet having a pointed adhesive layer formed of a plurality of divisional sections spaced apart from each other by 15 cm to 20 cm in width and having a width of 15 cm to 20 cm, A composite waterproof sheet attaching step of attaching the composite waterproof sheet so as to be in close contact with each other;
A joint part finishing step of attaching a damping band having a thickness of 0.1 mm to 0.5 mm and a width of 10 cm to 15 cm to a plastic sheet coated with a point adhesive on the upper part of the joint part of the composite waterproof sheet;
Coating a coating water repellent agent selected from liquid urethane or urea on the composite waterproof sheet at a thickness ranging from 1 mm to 2 mm;
Applying a top coating for blocking ultraviolet rays to the surface of the coating film waterproofing agent;
Wherein the composite waterproof sheet is formed of a thermoplastic resin.
6. The method of claim 5,
Further comprising the step of attaching a plurality of composite waterproof sheets on the concrete surface, sealing the connection portions with a point-bonding band, and then placing the pressed concrete on the upper surface.

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