CN216664241U

CN216664241U - Common waterproofing membrane of basement and polymer waterproofing membrane's overlap joint processing structure

Info

Publication number: CN216664241U
Application number: CN202123014257.7U
Authority: CN
Inventors: 杨晓康; 杨靖宇; 李建军; 曹颖平; 李唯; 王晓庭; 李建国
Original assignee: Shanxi Fifth Construction Group Co Ltd
Current assignee: Shanxi Fifth Construction Group Co Ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-06-03
Anticipated expiration: 2031-12-02

Abstract

The utility model relates to a lap joint processing structure of a common waterproof coiled material and a high-molecular waterproof coiled material of a basement, belonging to the technical field of basement waterproof construction. The structure is that a cement-based permeable crystallization waterproof coating layer and a cold bottom sub-oil layer are sequentially coated on the lap joint section of a high-molecular waterproof coiled material, and finally, the waterproof coiled material is bonded and fixed with a common waterproof coiled material. The utility model researches a reasonable lapping processing structure from the characteristics of the common waterproof coiled material and the high-molecular waterproof coiled material and the cutting point of the laying method, solves the problem that the common waterproof coiled material and the high-molecular waterproof coiled material are difficult to lap, has reasonable structure and simple construction, and achieves good effects in the aspects of improving the waterproof engineering quality, shortening the construction period and saving the manufacturing cost.

Description

Common waterproofing membrane of basement and polymer waterproofing membrane's overlap joint processing structure

Technical Field

The utility model belongs to the technical field of building construction, particularly relates to waterproof construction of a basement of a building, and particularly relates to a lap joint processing structure of a common waterproof coiled material and a high-polymer waterproof coiled material of the basement.

Background

Along with the development of society, the type of waterproofing membrane is more and more, and the overlap joint between the different types of waterproofing membrane becomes the weak link of waterproofing work, and how to solve the waterproofing membrane overlap joint of different materials and handle to become the key of guaranteeing the waterproofing work quality. Aiming at the waterproof engineering of the basement of the building, the novel high-molecular waterproof coiled material is selected for the waterproof of the foundation slab, and compared with the common waterproof coiled material, the novel high-molecular waterproof coiled material does not need to be used as a protective layer, so that the construction steps are simplified, and the construction period is also saved; the basement outer wall does not need to be made the protective layer, and simultaneously also because the cost of ordinary waterproofing membrane is low, so basement outer wall generally adopts ordinary waterproofing membrane, will appear ordinary waterproofing membrane and polymer waterproofing membrane's overlap joint problem like this.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a lap joint processing structure of a common basement waterproof roll and a high-polymer waterproof roll.

The utility model is realized by the following technical scheme:

a common waterproof coiled material and macromolecule waterproof coiled material lap joint processing structure of a basement comprises a concrete cushion layer, a basement bottom plate, a basement outer wall and a permanent brick bed film, wherein the permanent brick bed film is tightly attached to the basement outer wall, the surface of the permanent brick bed film is flush with the surface of the basement bottom plate, a cement mortar leveling layer is arranged between the concrete cushion layer and the basement bottom plate, a macromolecule waterproof coiled material is paved on the cement mortar leveling layer, the macromolecule waterproof coiled material extends upwards along the space between the permanent brick bed film and the basement outer wall until the macromolecule waterproof coiled material exceeds the surface of the permanent brick bed film and forms a lap joint section, the lap joint section of the macromolecule waterproof coiled material is bonded and fixed with the basement outer wall and is coated with a cement-based permeable crystalline waterproof coating layer, and the surface of the cement-based permeable crystalline waterproof coating layer is coated with a cold primer oil layer; the basement outer wall upper berth is equipped with ordinary waterproofing membrane, and the lower part of ordinary waterproofing membrane and the macromolecular waterproofing membrane overlap joint section that has painted cement base infiltration crystallization waterproof coating layer and cold substrate oil reservoir bond fixedly.

Furthermore, the cement-based permeable crystallization waterproof coating layer is coated with three layers, and the thickness of each layer is 0.8-1.2 mm.

Furthermore, the common waterproof coiled material adopts SBS modified asphalt waterproof coiled material, and the macromolecule waterproof coiled material adopts non-asphalt-based macromolecule self-adhesive film waterproof coiled material.

The utility model is a reasonable lapping processing structure which is obtained by researching the characteristics of the common waterproof coiled material and the macromolecule waterproof coiled material and the laying method, solves the problem that the common waterproof coiled material and the macromolecule waterproof coiled material are difficult to lap, has reasonable structure and simple construction, and has good effects on improving the waterproof engineering quality, shortening the construction period and saving the manufacturing cost.

Drawings

The accompanying drawings are included to provide a further description of the utility model and are incorporated in and constitute a part of this application, with the exemplary embodiments and description of the utility model being given to illustrate and not limit the utility model.

FIG. 1 is a schematic structural diagram of the present invention.

In the figure: 1-concrete cushion, 2-basement bottom plate, 3-basement outer wall, 4-permanent brick bed film, 5-cement mortar leveling layer, 6-high polymer waterproof coiled material, 7-cement-based permeable crystallization waterproof coating layer, 8-cold bottom oil layer and 9-common waterproof coiled material.

Detailed Description

In order that those skilled in the art will better understand the present invention, a more complete and complete description of the present invention is provided below in conjunction with the accompanying drawings and embodiments. It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict.

As shown in figure 1, a common waterproof coiled material and high polymer waterproof coiled material lap joint processing structure of a basement comprises a concrete cushion layer 1, a basement bottom plate 2, a basement outer wall 3 and a permanent brick bed course 4, wherein the permanent brick bed course 4 is tightly attached to the basement outer wall 3, the surface of the permanent brick bed course 4 is flush with the surface of the basement bottom plate 2, the concrete cushion layer 1 is provided with a cement mortar leveling layer 5, the cement mortar leveling layer 5 is paved with a high polymer waterproof coiled material 6, the high polymer waterproof coiled material 6 adopts a non-asphalt base high polymer self-adhesive film waterproof coiled material, the high polymer waterproof coiled material 6 extends upwards along the space between the permanent brick bed course 4 and the basement outer wall 3 until exceeding the surface of the permanent brick bed course 4 and forming a lap joint section, the lap joint section of the high polymer waterproof coiled material 6 is fixedly bonded with the basement outer wall 3 and coated with a cement base permeable crystalline waterproof coating layer 7 on the surface of the basement outer wall, the cement-based permeable crystallization waterproof coating layer 7 is coated with three layers, each layer is 0.8-1.2mm thick, and a cold-bottom oil layer 8 is coated on the surface of the cement-based permeable crystallization waterproof coating layer 7; the basement outer wall 3 upper berth is equipped with ordinary waterproofing membrane 9, and ordinary waterproofing membrane 9 adopts SBS modified asphalt waterproofing membrane, and the lower part of ordinary waterproofing membrane 9 is fixed with the polymer waterproofing membrane 6 overlap joint section bonding that has been applied with cement base infiltration crystallization waterproof coating layer 7 and cold bottom oil reservoir 8.

The construction method of the lap joint structure of the common waterproof coiled material and the high polymer waterproof coiled material of the basement comprises the following steps:

1) firstly, two batches of bricks exceeding the top elevation of a foundation are built on a permanent brick moulding bed 4 to serve as a temporary brick moulding bed;

2) cleaning a base layer of a foundation slab, sequentially constructing a concrete cushion layer 1 and a cement mortar leveling layer 5, paving a non-asphalt-based high-polymer self-adhesive film waterproof coiled material on the cement mortar leveling layer 5 by adopting a pre-paving and anti-sticking method, and turning up 100mm till the top of a permanent brick moulding bed 4, wherein a turning-up section is lapped on a temporary brick moulding bed;

3) after the foundation and the basement outer wall concrete reach the design strength and the non-asphalt-based polymer self-adhesive film waterproof coiled material is firmly bonded with the concrete, the temporary brick forming die and the outer wall template are disassembled, and the lap joint section of the non-asphalt-based polymer self-adhesive film waterproof coiled material is exposed;

4) cutting an initial 100mm upturning section of the non-asphalt-based polymer self-adhesive film waterproof coiled material;

5) uniformly brushing cement-based capillary crystalline waterproof coating for three times at the lap joint section of the non-asphalt-based high-molecular self-adhesive film waterproof coiled material, wherein the thickness of the coating for each time is 0.8-1.2mm, and after the previous coating is cured, the next coating is performed, and the transverse width of the coating is 100mm, so that a three-layer cement-based capillary crystalline waterproof coating layer 7 is finally formed;

6) after the cement-based infiltration crystallization waterproof coating layer 7 is dried and solidified, brushing cold primer oil once on the surface of the cement-based infiltration crystallization waterproof coating layer to form a cold primer oil layer 8;

7) after the SBS modified asphalt waterproof coiled material of the basement outer wall 3 is laid, the lap joint part of the SBS modified asphalt waterproof coiled material and the non-asphalt-based polymer self-adhesive film waterproof coiled material is heated by a high-pressure blast burner, and after the surface modified asphalt melts a thin layer, the lap joint part of the SBS modified asphalt waterproof coiled material and the non-asphalt-based polymer self-adhesive film waterproof coiled material are adhered to one surface of the lap joint section with the cold primer sub-oil layer 8 to form a firm adhesion system.

The technical solutions in the embodiments of the present invention are clearly and completely described above, and the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. 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.

Claims

1. The utility model provides a structure is handled with polymer waterproofing membrane's overlap joint to ordinary waterproofing membrane of basement, includes concrete cushion, basement bottom plate, basement outer wall and permanent brick fetal membrane, and the setting of basement outer wall is hugged closely to permanent brick fetal membrane, and the surface parallel and level of the surface of permanent brick fetal membrane and basement bottom plate is equipped with cement mortar screed-coat, its characterized in that between concrete cushion and the basement bottom plate: a high-molecular waterproof coiled material is laid on the cement mortar leveling layer, extends upwards along the space between the permanent brick moulding bed and the basement outer wall until the high-molecular waterproof coiled material exceeds the surface of the permanent brick moulding bed and forms a lap joint section, the lap joint section of the high-molecular waterproof coiled material is fixedly bonded with the basement outer wall, a cement-based permeable crystalline waterproof coating layer is coated on the surface of the lap joint section, and a cold-bottom sub-oil layer is coated on the surface of the cement-based permeable crystalline waterproof coating layer; the basement outer wall upper berth is equipped with ordinary waterproofing membrane, and the lower part of ordinary waterproofing membrane and the macromolecular waterproofing membrane overlap joint section that has painted cement base infiltration crystallization waterproof coating layer and cold substrate oil reservoir bond fixedly.

2. The lap joint processing structure of the common basement waterproof roll and the high polymer waterproof roll according to claim 1, characterized in that: the cement-based permeable crystallization waterproof coating layer is coated with three layers, and the thickness of each layer is 0.8-1.2 mm.

3. The lap joint structure of the common basement waterproofing membrane and the high polymer waterproofing membrane according to claim 1 or 2, characterized in that: the common waterproof coiled material adopts SBS modified asphalt waterproof coiled material, and the polymer waterproof coiled material adopts non-asphalt base polymer self-adhesive film waterproof coiled material.