CN211448766U

CN211448766U - Pre-laid waterproof drainage protection assembled composite board

Info

Publication number: CN211448766U
Application number: CN202020087081.4U
Authority: CN
Inventors: 高举; 高晴
Original assignee: Beijing Jianzhong New Material Technology Co ltd
Current assignee: Beijing Jianzhong New Material Technology Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-09-08
Anticipated expiration: 2030-01-15

Abstract

The application discloses a pre-laid waterproof drainage protection fabricated composite board, which comprises a non-woven fabric cushion layer, a drainage layer, a waterproof layer made of a waterproof material and a mortar layer made of quartz sand which are sequentially arranged; the non-woven fabric cushion layer is directly bonded with the drainage layer through hot melting, the drainage layer is directly bonded with the waterproof layer through hot melting, and the waterproof layer is bonded with the mortar layer through hot melting and squeezing. The utility model provides a waterproof drainage protection assembled composite sheet of formula of spreading in advance forms the integration composite sheet through hot melt and bonding process between each layer, has reduced the process when the construction, has saved the manpower to the gluey sand layer of superiors and concrete direct bond, gluey sand layer and concrete belong to the material of the homogeneous consubstantial body, so can be with a concrete perfect combination whole, can not appear droing and scurry the bad phenomenon of water.

Description

Pre-laid waterproof drainage protection assembled composite board

Technical Field

The utility model belongs to the technical field of the building, especially, relate to a waterproof drainage protection assembled composite sheet of formula of spreading in advance.

Background

In the prior art, in the structural design of a tunnel engineering or a basement bottom plate of a building, the design of a drainage structure and a waterproof structure cannot coexist. In the structural design of a basement bottom plate, a primary waterproof layer is usually laid on a cement cushion layer with the thickness of 20cm, and the common method is 3mm +4mm SBS; finally, laying a waterproof protective layer; in subway tunnel engineering, a layer of non-woven fabric is usually laid on an original soil layer, and a waterproof board or a drainage board is laid on the non-woven fabric, so that the effect of preventing water or draining water in a tunnel is achieved. Under the two application scenes, corresponding waterproof or drainage designs are made, but when construction is carried out according to the two designs, the construction procedures are too complex and cumbersome, so that the phenomenon of low construction efficiency is caused; in addition, in the tunnel engineering, a layer of concrete needs to be laid on the outermost layer, and the effect of combining the traditional waterproof board or drainage board with the concrete is not good, so that the risk of water leakage and water leaping can be caused.

Therefore, how to improve the traditional waterproof and drainage plate and keep the drainage and waterproof functions on the premise of reducing the working procedures is a problem which needs to be solved urgently by people in the field at present.

SUMMERY OF THE UTILITY MODEL

The application provides a pre-laid waterproof drainage protection fabricated composite board, which comprises a non-woven fabric cushion layer, a drainage layer, a waterproof layer made of a waterproof material and a mortar layer made of quartz sand which are sequentially arranged; direct bonding through the hot melt between non-woven fabrics bed course and the drainage blanket, the drainage blanket passes through the hot melt direct bonding with the waterproof layer, bonds through the hot melt is sticky crowded with gluing between waterproof layer and the gluey sand layer.

The non-woven fabric mat is in contact with the foundation soil layer, and the foundation soil layer is an original soil layer or a tamped soil layer.

The above, wherein the adhesive is a pressure sensitive adhesive.

The adhesive extrusion is butyl rubber.

As above, wherein the non-woven fabric mat is made of a polymer material.

As above, wherein the polymer material is polypropylene.

As above, wherein the polymer material is terylene.

As above, the polymer material is chemical fiber.

The waterproof material is polyvinyl chloride.

The above, wherein the water repellent material is a thermoplastic polyolefin.

The application has the following technical effects:

(1) the application provides a waterproof drainage protection assembled composite sheet of formula of spreading in advance forms the integration composite sheet through hot melt and bonding technology between each layer, has reduced the process when the construction, has saved the manpower to the gluey sand layer of superiors and concrete direct bond, gluey sand layer and concrete belong to the material of the homogeneous consubstantial body, so can be with a whole of concrete perfect combination, can not appear droing and scurry the bad phenomenon of water.

(2) In the waterproof drainage protection assembled composite sheet of formula of spreading in advance that this application provided, non-woven fabrics direct contact plays waterproof layer and drainage blanket function, effect that is not destroyed can be better, life-span is longer than traditional.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic structural view of a pre-laid waterproof drainage protective fabricated composite panel provided herein;

1-non-woven fabric cushion layer; 2-a drainage layer; 3, a waterproof layer; and 4, forming a mortar layer.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment provides a waterproof drainage protection assembled composite sheet of formula of spreading in advance, the composite sheet of an integration is become in scientific and reasonable's construction, and through the performance of material itself between each layer, permanent, firm combination is in the same place, mutual protection to reach better waterproof, the effect of drainage and be applied to in the construction operation, reduced the construction process.

The prefabricated waterproof drainage protection composite board is laid on a foundation soil layer, the foundation soil layer is an original soil layer of a subway tunnel or a tamped soil layer below a basement bottom plate, and as shown in figure 1, the prefabricated waterproof drainage protection composite board comprises a non-woven fabric cushion layer 1, a drainage layer 2, a waterproof layer 3 and a mortar layer 4 made of quartz sand, wherein the non-woven fabric cushion layer, the drainage layer 2, the waterproof layer 3 and the mortar layer are laid in sequence.

Specifically, one surface of the drainage layer 2 facing the non-woven fabric cushion layer 1 is a convex surface with protrusions, and the convex part of the convex surface is in contact with the non-woven fabric cushion layer, so that a certain distance is reserved between the non-convex part of the convex surface and the non-woven fabric, and a drainage channel is formed.

Further, the surface of the drainage layer 2 facing the waterproof layer is a concave surface, and the concave surface is in contact with the waterproof layer 3.

Specifically, wherein directly bond through the hot melt between non-woven fabrics bed course 1 and the drainage blanket 2, drainage blanket 2 directly bonds through the hot melt with waterproof layer 3, bond through the hot melt is sticky crowded between waterproof layer 3 and the mortar layer 4, lay the waterproof drainage protection assembled composite sheet of formula of laying in advance on the foundation layer during the use, the lower surface of non-woven fabrics bed course 1 covers on the foundation layer, then directly pour the concrete on the mortar layer 4 of the waterproof drainage protection assembled composite sheet of formula of laying in advance.

Furthermore, the adhesive is pressure-sensitive adhesive or butyl adhesive, wherein the pressure-sensitive adhesive has low curing temperature, good viscosity and good temperature resistance. Butyl rubber has super weather resistance, long-term adhesion, no curing in the whole life, very strong size stability and followability, no solvent and asphalt are added in the production, and the construction is simple.

Specifically, the non-woven fabric cushion layer 1 may be made of polypropylene, polyester or chemical fiber products.

The drainage layer 2 is made of high-density polyethylene material. The high-density polyethylene material has good heat resistance and cold resistance, good chemical stability, higher rigidity and toughness and good mechanical strength. The dielectric property and the environmental stress cracking resistance are also better.

The waterproof layer 3 is a waterproof roll made of a waterproof material. Illustratively, the waterproof material is one or more of polyvinyl chloride, thermoplastic polyolefin, ethylene-vinyl acetate copolymer, and high-density polyethylene.

Further, polyvinyl chloride has high chemical resistance (resistance to concentrated hydrochloric acid, 90% sulfuric acid, 60% nitric acid, and 20% sodium hydroxide), and is excellent in mechanical strength and electrical insulation.

Furthermore, the thermoplastic polyolefin is an elastomer material consisting of rubber and polyolefin, and has the advantages of excellent dynamic fatigue resistance, good wear resistance, high tear strength and small compression permanent deformation; and the method also has the characteristics of simple processing technology, short period and low energy consumption.

Furthermore, the ethylene-vinyl acetate copolymer has no water absorption, moisture resistance and good water resistance. It is resistant to corrosion of chemicals such as seawater, grease, acid and alkali, and has antibacterial, nontoxic, odorless and no pollution. No joint, and easy processing such as hot pressing, cutting, gluing, laminating, etc. High rebound resilience and tensile strength, high toughness and good shock resistance and buffering performance. Excellent heat insulation, heat preservation, cold protection and low temperature performance, and can resist severe cold and solarization. The sealed foam hole has good sound insulation effect.

The construction sequence of the application specifically comprises the following steps:

laying a pre-laid waterproof drainage protection assembled composite board: wherein, the pre-laid waterproof drainage protection assembled composite board is laid on the foundation soil layer, and the non-woven fabric cushion layer in the pre-laid waterproof drainage protection assembled composite board is directly contacted with the foundation soil layer.

Pouring concrete: and pouring concrete on the mortar layer in the laid pre-laid waterproof drainage protection assembly type composite board.

According to the structure, the non-woven fabric cushion layer, the drainage layer, the waterproof layer made of the waterproof material and the mortar layer made of the quartz sand form the integrated waterproof and drainage composite board through a reasonable construction process. One side non-woven fabrics bed course and basic soil layer direct contact of this composite sheet, another face gluey sand bed and concrete direct contact have reached better waterproof drainage effect.

The application has the following technical effects:

(2) In the waterproof drainage protection assembled composite sheet that this application provided, non-woven fabrics direct contact to the base face, plays waterproof layer and drainage blanket function, effect that is not destroyed can be better, life-span is longer than traditional.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application. It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. A pre-laid waterproof drainage protection fabricated composite board is characterized by comprising a non-woven fabric cushion layer, a drainage layer, a waterproof layer made of waterproof materials and a mortar layer made of quartz sand which are sequentially arranged; the non-woven fabric cushion layer is directly bonded with the drainage layer through hot melting, the drainage layer is directly bonded with the waterproof layer through hot melting, and the waterproof layer is bonded with the mortar layer through hot melting and squeezing.

2. The pre-laid waterproof and drainage protective fabricated composite board of claim 1, wherein the non-woven mat is in contact with a base soil layer, the base soil layer being a raw soil layer or a rammed soil layer.

3. The pre-laid waterproof and drainage protective composite assembled panel of claim 1 wherein said adhesive is extruded as a pressure sensitive adhesive.

4. The pre-laid waterproof and drainage protective fabricated composite board of claim 1, wherein the glue extrusion is butyl glue.

5. The pre-laid waterproof and drainage protective composite assembled panel of claim 1, wherein the non-woven mat layer is made of a polymeric material.

6. The pre-laid waterproof and drainage protective fabricated composite board of claim 5, wherein the polymeric material is polypropylene.

7. The pre-laid waterproof and drainage protective assembled composite board of claim 5, wherein the polymeric material is polyester.

8. The pre-laid waterproof and drainage protective fabricated composite board of claim 5, wherein the polymeric material is chemical fiber.

9. The pre-laid waterproof and drainage protective fabricated composite board of claim 1 wherein the waterproof material is polyvinyl chloride.

10. The pre-laid waterproof and drainage protective fabricated composite board of claim 1 wherein the waterproof material is a thermoplastic polyolefin.