阅读说明：本技术 一种抗流挂橡胶沥青防水卷材及施工方法 (Anti-sagging rubber asphalt waterproof coiled material and construction method ) 是由 孙侃 于 2020-03-23 设计创作，主要内容包括：本发明公开了一种抗流挂橡胶沥青防水卷材及施工方法,包括泡沫混凝土层、非固化橡胶沥青涂层、无碱玻纤网格布和防水卷材,泡沫混凝土层铺覆在结构层表面,非固化橡胶沥青涂层涂覆在泡沫混凝土层上,非固化橡胶沥青涂层表面粘覆无碱玻纤网格布,防水卷材粘结于无碱玻纤网格布上。本发明采用非固化橡胶沥青防水涂料可长期保持黏性膏状体,具有蠕变性能封闭基层裂缝和毛细孔,能适应复杂的施工作业面；与空气接触后长期不固化,始终保持黏稠胶质的特性,自愈能力强、碰触即粘、难以剥离。(The invention discloses an anti-sagging rubber asphalt waterproof coiled material and a construction method thereof. The non-cured rubber asphalt waterproof coating can keep a viscous paste for a long time, has creep property for sealing base cracks and capillary holes, and can adapt to complex construction operation surfaces; the self-healing adhesive does not solidify for a long time after contacting with air, always keeps the characteristics of sticky colloid, has strong self-healing capability, is sticky when being touched and is difficult to peel.)

1. An anti-sagging rubber asphalt waterproof roll, which is characterized by comprising: the waterproof coating comprises a foamed concrete layer, a non-cured rubber asphalt coating, alkali-free glass fiber mesh cloth and a waterproof coiled material, wherein the foamed concrete layer is paved on the surface of a structural layer, the non-cured rubber asphalt coating is coated on the foamed concrete layer, the alkali-free glass fiber mesh cloth is adhered on the surface of the non-cured rubber asphalt coating, and the waterproof coiled material is adhered on the alkali-free glass fiber mesh cloth.

2. The anti-sagging rubber asphalt waterproof coiled material as claimed in claim 1, wherein the waterproof coiled material is a polyethylene polypropylene waterproof coiled material or an elastomer modified asphalt coiled material or a plastomer modified asphalt coiled material or a self-adhesive coiled material or a wet-laid coiled material.

3. The anti-sagging rubber asphalt waterproof coiled material as claimed in claim 1, wherein the thickness of the structural layer is 6.9-9.8 mm.

4. The anti-sagging rubber asphalt waterproof roll as claimed in claim 1, wherein the thickness of the foamed concrete layer is 1.5 to 2.7 mm.

5. The anti-sagging rubber asphalt waterproofing membrane according to claim 1, wherein the thickness of the non-cured rubber asphalt coating layer is 1.5 to 2.7 mm.

6. The anti-sagging rubber asphalt waterproof coiled material as claimed in claim 1, wherein the thickness of the alkali-free glass fiber mesh cloth is 0.6-0.8 mm.

7. The anti-sagging rubber asphalt waterproof roll as claimed in claim 1, wherein the thickness of the waterproof roll is 1.6 to 2.9 mm.

8. The construction method of the anti-sagging rubber asphalt waterproof roll material as claimed in claim 1, comprising:

b, construction of an additional layer of the A details:

before construction, the position of the additional layer is determined, the width of the additional layer at the external corner and the peripheral edge of the pipeline is not less than 250mm, the additional layer is laid at the position of the external corner, the gutter and the like of the pipeline at the water falling port and the roof. Brushing non-cured rubber asphalt waterproof paint during construction, and paving a matrix reinforcing material in the coating or adhering alkali-free glass fiber mesh cloth on the surface of the coating;

b construction of non-cured layer

Construction by knife coating

The coating is put into special equipment for heating, the heated and melted coating is poured into a construction barrel, the coating is poured on a base surface during plane construction, a tooth-shaped scraper blade is used for scraping, and the thickness of the coating is combined with the requirements of relevant specifications. The blade coating construction should be formed once to a specified thickness, and the width of each blade coating should be larger than about 100mm of the coiled material or the protective isolation material;

construction by spraying

After the coating is heated to reach a preset temperature, starting special spraying equipment, checking whether a spray gun operates normally or not, starting the spray gun to perform trial spraying, and performing large-area spraying when the normal state is reached, wherein the overlapping width of the coating films on the same layer is 30-50 mm. Adjusting the distance between the nozzle and the base surface and the spraying pressure to ensure that the spraying thickness is uniform, and the width of each spraying operation surface is about 100mm larger than that of the coiled material or the protective isolation material;

c, adhering and paving a coil layer:

according to the temperature of construction environment and the characteristics of non-solidified rubber asphalt waterproof coating material, the time and method for paving and pasting coiled materials are selected,

after each width of coating is finished, immediately pasting the coiled material, wherein the lapping width of the coiled material is not less than 100mm, and the paved coiled material is smooth, straight and free from wrinkles;

construction of protective layer

After the composite waterproof layer is constructed and qualified through inspection, the protective layer is constructed in time.

The block material, cement mortar or fine stone concrete is used as a protective layer, and a plastic film, geotextile and the like are arranged between the protective layer and the composite waterproof layer to be used as an isolating layer.

Technical Field

The invention relates to the technical field of waterproof construction, in particular to an anti-sagging rubber asphalt waterproof coiled material and a construction method.

Background

Waterproof coiled material, roll waterproof material made of asphalt, rubber or other organic materials, is commonly called asphalt felt or asphalt felt. It has good waterproof property and better flexibility. The waterproof roll is required to have good water resistance, stability against temperature change, certain mechanical strength, extensibility and fracture resistance, certain flexibility and aging resistance, and the like. The waterproof roll is a curlable sheet-shaped waterproof material. Is one of important varieties in waterproof materials of building engineering. At present, the engineering waterproof structure is mainly used for paving waterproof coiled materials, the waterproof coiled materials are solid in the using process, and the waterproof coiled materials cannot completely seal surface cracks and capillary holes of a structural layer and cannot adapt to a complex construction operation surface.

Disclosure of Invention

The invention provides an anti-sagging rubber asphalt waterproof coiled material, which aims to solve the problem that the waterproof coiled material in the prior art cannot completely seal surface cracks and capillary holes of a structural layer.

The technical scheme adopted by the invention for solving the technical problems is as follows: the anti-sagging rubber asphalt waterproof coiled material comprises a foamed concrete layer, a non-cured rubber asphalt coating, alkali-free glass fiber gridding cloth and a waterproof coiled material, wherein the foamed concrete layer is paved on the surface of a structural layer, the non-cured rubber asphalt coating is coated on the foamed concrete layer, the alkali-free glass fiber gridding cloth is adhered to the surface of the non-cured rubber asphalt coating, and the waterproof coiled material is adhered to the alkali-free glass fiber gridding cloth.

The waterproof coiled material is a polyethylene polypropylene waterproof coiled material or an elastomer modified asphalt coiled material or a plastomer modified asphalt coiled material or a self-adhesive coiled material or a wet-laid coiled material.

The beneficial technical effects of the invention are as follows:

the non-curing rubber asphalt waterproof coating is simple in structure, is prepared by mixing and modifying rubber, asphalt and special additives serving as main raw materials, keeps the creep property of a viscous paste for a long time in an application state, can seal base cracks and capillary holes, and can adapt to complex construction operation surfaces; the self-healing adhesive does not solidify for a long time after contacting with air, always keeps the characteristics of sticky colloid, has strong self-healing capability, is sticky when being touched and difficult to peel, and still has good adhesive property at the temperature of minus 20 ℃. The non-curing rubber asphalt waterproof coating needs to use special heating melting equipment, if spraying is needed, a spraying machine is also needed, the coating is heated to a flowable state by using hot melting equipment, and then a blade coating method or a spraying method can be selected for construction according to actual construction environment and conditions.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural view of the present invention.

In the figure, 1 a structural layer, 2 a foam concrete layer, 3 a non-cured rubber asphalt coating, 4 alkali-free glass fiber mesh cloth and 5 a waterproof coiled material.

Detailed Description

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect. The description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.

As shown in fig. 1, an anti-sagging rubber asphalt waterproof roll comprises: the waterproof structure comprises a foamed concrete layer 2, a non-cured rubber asphalt coating 3, an alkali-free glass fiber mesh fabric 4 and a waterproof coiled material 5, wherein the foamed concrete layer 2 is paved on the surface of a structural layer 1, the non-cured rubber asphalt coating 3 is coated on the foamed concrete layer 2, the alkali-free glass fiber mesh fabric 4 is adhered on the surface of the non-cured rubber asphalt coating 3, the waterproof coiled material 5 is adhered on the alkali-free glass fiber mesh fabric 4, and the waterproof coiled material is a polyethylene polypropylene fiber waterproof coiled material or an elastomer modified asphalt coiled material or a plastomer modified asphalt coiled material or a self-adhesive coiled material or a wet-laid coiled material.

As a specific example, the thickness of the structural layer is 6.9-9.8 mm. The technical effect is best, and the problems that the surface cracks and capillary holes of the structural layer of the waterproof roll cannot be completely sealed are solved.

As a specific example, the thickness of the foamed concrete layer 2 is 1.5 to 2.7 mm. The technical effect is optimal.

As a specific example, the thickness of the non-cured rubberized asphalt coating 3 is 1.5 to 2.7 mm. The technical effect is optimal.

As a specific example, the alkali-free glass fiber mesh 4 has a thickness of 0.6 to 0.8 mm. The technical effect is optimal.

As a specific example, the thickness of the waterproof roll 5 is 1.6 to 2.9 mm. The technical effect is optimal.

The non-cured rubber asphalt waterproof coating adopted by the invention is prepared by mixing and modifying rubber, asphalt and special additives serving as main raw materials, and can keep a viscous paste in an application state for a long time, so that the novel waterproof coating is a novel waterproof material with creep property. The coating can seal base cracks and capillary holes and can adapt to complex construction operation surfaces; the self-healing adhesive does not solidify for a long time after contacting with air, always keeps the characteristics of sticky colloid, has strong self-healing capability, is sticky when being touched and difficult to peel, and still has good adhesive property at the temperature of minus 20 ℃. The non-curing rubber asphalt waterproof coating needs to use special heating melting equipment, if spraying is needed, a spraying machine is also needed, the coating is heated to a flowable state by using hot melting equipment, and then a blade coating method or a spraying method can be selected for construction according to actual construction environment and conditions.

The construction method comprises the following steps:

b, construction of an additional layer of the A details:

before construction, the position of the additional layer is determined, the width of the additional layer at the external corner and the peripheral edge of the pipeline is not less than 250mm, the additional layer is laid at the position of the external corner, the gutter and the like of the pipeline at the water falling port and the roof. The non-curing rubber asphalt waterproof coating is coated during construction, the thickness of the coating is not less than 1.5mm, and a matrix reinforcing material is spread in the coating or alkali-free glass fiber mesh cloth is adhered to the surface of the coating.

B construction of non-cured layer

Construction by knife coating

The coating is put into special equipment for heating, the heated and melted coating is poured into a construction barrel, the coating is poured on a base surface during plane construction, a tooth-shaped scraper blade is used for scraping, and the thickness of the coating is combined with the requirements of relevant specifications. The blade coating method is used for construction, the thickness is specified by one-time forming, and the width of each blade coating is about 100mm larger than that of a coiled material or a protective isolation material.

Construction by spraying

After the coating is heated to reach a preset temperature, starting special spraying equipment, checking whether a spray gun operates normally or not, starting the spray gun to perform trial spraying, and performing large-area spraying when the normal state is reached, wherein the overlapping width of the coating films on the same layer is 30-50 mm. The distance between the nozzle and the base surface and the spraying pressure are adjusted to ensure that the spraying thickness is uniform, and the width of each spraying operation surface is about 100mm larger than that of the coiled material or the protective isolation material.

C, adhering and paving a coil layer:

according to the temperature of construction environment and the characteristics of non-solidified rubber asphalt waterproof coating material, the time and method for paving and pasting coiled materials are selected,

and after each width of coating is finished, immediately pasting the coiled material, wherein the lap joint width of the coiled material is not less than 100mm, and the paved coiled material is smooth, straight and free from wrinkles.

Construction of protective layer

After the composite waterproof layer is constructed and qualified through inspection, the protective layer is constructed in time.

The block material, cement mortar or fine stone concrete and the like are used as protective layers, and plastic films, geotextiles and the like are arranged between the protective layers and the composite waterproof layers to be used as isolating layers.

The beneficial technical effects of the invention are as follows:

the non-curing rubber asphalt waterproof coating is simple in structure, is prepared by mixing and modifying rubber, asphalt and special additives serving as main raw materials, keeps the creep property of a viscous paste for a long time in an application state, can seal base cracks and capillary holes, and can adapt to complex construction operation surfaces; the self-healing adhesive does not solidify for a long time after contacting with air, always keeps the characteristics of sticky colloid, has strong self-healing capability, is sticky when being touched and difficult to peel, and still has good adhesive property at the temperature of minus 20 ℃. The non-curing rubber asphalt waterproof coating needs to use special heating melting equipment, if spraying is needed, a spraying machine is also needed, the coating is heated to a flowable state by using hot melting equipment, and then a blade coating method or a spraying method can be selected for construction according to actual construction environment and conditions.

The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.