CN216076117U

CN216076117U - Ground heating structure that gypsum base mortar was laid

Info

Publication number: CN216076117U
Application number: CN202120982076.4U
Authority: CN
Inventors: 孙艰
Original assignee: Kainuo Qingdao New Building Materials Co ltd
Current assignee: Kainuo Qingdao New Building Materials Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2022-03-18
Anticipated expiration: 2031-05-10

Abstract

The utility model belongs to the technical field of buildings, and provides a floor heating structure paved with gypsum-based mortar, which comprises gypsum-based ground mortar and surface-layer gypsum-based self-leveling mortar, wherein the gypsum-based ground mortar and the surface-layer gypsum-based self-leveling mortar are sequentially poured on the upper part of the ground from bottom to top; elastic waterproof interface agent is sprayed between the surface layer gypsum-based self-leveling mortar and the gypsum-based ground mortar; elastic edgings are arranged at the contact positions of the side edges of the gypsum-based ground mortar and the wall body, and reinforcing ribs are arranged inside the elastic edgings; and a telescopic joint strip is arranged in the surface gypsum-based self-leveling mortar. The floor heating structure paved with the gypsum-based mortar provided by the utility model is low in cost and convenient and fast to construct, and meanwhile, the cracking hollowing is effectively reduced, and the surface impression is improved.

Description

Ground heating structure that gypsum base mortar was laid

Technical Field

The utility model relates to the technical field of buildings, in particular to a floor heating structure paved with gypsum-based mortar.

Background

The ground radiation heating system is widely applied in China, particularly for water heating type floor heating, the central heating mode is adopted, circulating hot water is introduced into the heating pipes paved under floors or floor tiles, heat supplies heat indoors in two modes of convection and radiation, heat dissipation is uniform, and the ground radiation heating system is comfortable, energy-saving and environment-friendly and is the leading technology of the current domestic floor heating system.

In recent years, gypsum-based self-leveling mortar has the advantages of light weight, high strength, high flatness, convenience in construction, no need of special maintenance, difficulty in cracking and the like, and is rapidly popularized in the floor heating backfill leveling industry by gradually replacing cement mortar;

at present, each layer of floor heating structure from the bottom up that most gypsum base mortar was laid is respectively: 1) a floor or ground adjacent to soil; 2) a foam insulation board; 3) a reflective thermal insulation film; 4) a ground heating pipe; 5) backfilling a leveling layer with gypsum-based self-leveling mortar; 6) the ground material layer and the gypsum-based self-leveling mortar backfill leveling layer are formed at one time, and the construction thickness is about 30-60 mm.

One-time molding of gypsum-based self-leveling mortar in a floor heating structure seems simple and actually has more defects, and firstly, the material cost is high because the construction thickness is large; secondly, the foam insulation board and the reflective insulation film are easy to float during pouring, and the floor heating structure is damaged; thirdly, as the base layer is not easy to clean, light impurities or floating ash soil can float in the pouring process, and bubbles are easy to generate; fourthly, the foundation sinks, the construction normative is poor, the local stress and other external factors can cause cracking and hollowing, and the later reworking and maintenance cost is high.

Chinese patent CN201620046679.2 provides a ground heating floor structure that gypsum base self-leveling mortar was laid, this structure is from lower and upper each layer by the floor or with soil adjacent ground (1), gypsum base self-leveling mortar layer (2), foamed plastic heat insulation layer or foamed cement heat insulation layer (3), ground heating pipe (4), gypsum base self-leveling mortar filling layer (5), ground material (6) are constituteed, although also be two-layer gypsum base mortar structure, but there is obvious difference with the present invention, above-mentioned utility model in gypsum base self-leveling mortar filling layer (5) and gypsum base self-leveling mortar layer (2) are not adjacent, the heat insulation layer above the foamed plastic is gypsum base self-leveling one-time pouring shaping equally, the problem of floating slab still can appear.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides the floor heating structure paved with the gypsum-based mortar, which is low in cost and convenient and fast to construct, and meanwhile, the cracking hollowing is effectively reduced, and the surface impression is improved.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a floor heating structure paved with gypsum-based mortar comprises gypsum-based ground mortar and surface-layer gypsum-based self-leveling mortar, wherein the gypsum-based ground mortar and the surface-layer gypsum-based self-leveling mortar are sequentially poured on the upper part of the ground from bottom to top;

elastic waterproof interface agent is sprayed between the surface layer gypsum-based self-leveling mortar and the gypsum-based ground mortar;

elastic edgings are arranged at the contact positions of the side edges of the gypsum-based ground mortar and the wall body;

reinforcing ribs are arranged at indoor external corner positions inside the gypsum-based ground mortar;

and a telescopic joint strip is arranged in the surface gypsum-based self-leveling mortar.

As an improved technical scheme, the plurality of telescopic seam strips are arranged, and the telescopic seam strips are correspondingly arranged at the portal position, the corridor position and the middle position of the living room respectively.

As an improved technical scheme, the elastic edge strips are provided with a plurality of elastic edge strips which are continuously and firmly adhered.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

1. according to the technical scheme, the gypsum-based ground mortar and the surface gypsum-based self-leveling mortar are arranged, and a method of pouring and forming twice is adopted, so that the cost of the gypsum-based ground mortar is low, the material cost is greatly reduced, and meanwhile, the problems of floating plates, hollowing, impurity floating and the like in the one-step pouring and forming process are effectively avoided due to the fact that the slurry is in a creeping state.

2. Elastic waterproof interface agent is sprayed between the surface layer gypsum-based self-leveling mortar and the gypsum-based ground mortar; not only plays a role in permeation and reinforcement, enhances the binding force of bottom layer and surface layer mortar, but also increases the fluidity of the surface layer leveling mortar, and simultaneously makes the formed surface more beautiful;

3. the application of the node structures such as the reinforcing ribs, the telescopic seam strips, the elastic edge strips and the like greatly reduces the cracking probability of non-mortar quality reasons.

In conclusion, the floor heating structure paved with the gypsum-based mortar has low cost, effectively reduces cracking hollowing, improves surface impression, has a simple structure, is convenient and fast to construct, and is beneficial to popularization and use.

Drawings

In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of a floor heating structure paved with gypsum-based mortar;

fig. 2 is a schematic view of the stiffener installation.

In the attached drawing, 1, gypsum-based ground mortar, 2, surface gypsum-based self-leveling mortar, 3, ground, 31, a foam insulation board, 32, a reflective insulation film, 33, a ground heating pipe, 4, a telescopic joint strip, 5, an elastic edge strip, 6, a reinforcing rib, 7, a wall body, 8, an elastic waterproof interface agent, 9 and a ground material layer.

Detailed Description

The technical solution of the present invention will be described in detail with reference to specific examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1-2, the utility model provides a floor heating structure paved with gypsum-based mortar, which comprises gypsum-based ground mortar 1 and surface gypsum-based self-leveling mortar 2, wherein the gypsum-based ground mortar 1 and the surface gypsum-based self-leveling mortar 2 are sequentially poured on the upper part of a ground 3 from bottom to top;

the floor heating structure paved with the gypsum-based mortar is formed by pouring twice, and gypsum-based ground mortar 1 is poured for the first time, and the floor heating structure is characterized in that the water adding amount is slightly low, the slurry is in a creeping state, the cost is lower, the using amount is large, the using amount of surface layer mortar is greatly reduced, and the paving cost is reduced; the surface gypsum based self-leveling mortar 2 is poured for the second time and is used for leveling a datum line;

elastic waterproof interface agent 8 is sprayed between the surface layer gypsum-based self-leveling mortar 2 and the gypsum-based ground mortar 1; not only plays a role in permeation and reinforcement, enhances the binding force of bottom layer and surface layer mortar, but also increases the fluidity of the surface layer leveling mortar, and simultaneously makes the formed surface more beautiful;

elastic edgings 5 are arranged at the contact positions of the side edges of the gypsum-based ground mortar 1 and the wall body; a plurality of elastic edge strips 5 are arranged, and the elastic edge strips 5 are continuously and firmly adhered;

reinforcing ribs 6 are arranged at the indoor external corner parts inside the gypsum-based ground mortar 1; the reinforcing ribs 6 are made of materials with certain toughness and tensile resistance, such as glass fiber grids, and the like, and the reinforcing ribs 6 are arranged on the indoor external corner part which is a stress concentration part before the gypsum-based ground mortar 1 is hardened after being poured;

the surface gypsum-based self-leveling mortar 2 is internally provided with a plurality of telescopic seam strips 4, and the telescopic seam strips 4 are respectively and correspondingly arranged at the door opening part, the corridor part, the middle of the living room and the like;

the application of the node structures such as the telescopic joint strip 4, the elastic edge strip 5, the reinforcing rib 6 and the like greatly reduces the probability of cracking caused by non-mortar quality;

the floor heating structure process that above-mentioned gypsum base mortar was laid is:

firstly, cleaning a base layer surface, ensuring that no obvious light loose particles and pollutants exist, firmly buckling a floor heating pipe 33, firmly and undamaged by a foam insulation board 31 and a reflective insulation film 32, determining a reference control line, sticking an elastic edge strip 5 with the thickness of 5-8mm on a wall surface, and continuously and firmly sticking the edge strip;

pouring the gypsum-based ground mortar 1, debugging the fluidity of the mortar before pouring, not being too thin, enabling the slurry to be in a creeping state, performing auxiliary flattening in the working time, generally submerging a ground heating pipe, judging the specific construction thickness according to the site, and generally reserving the thickness which is at least 15mm lower than a reference control line;

after the gypsum-based ground mortar 1 is poured, arranging a reinforcing rib 6 on the indoor external corner part as a stress concentration part; 5-8mm of telescopic seam strips 4 are arranged at the portal opening part, the corridor part and the middle part of the living room, and after the gypsum-based ground mortar 1 is cured, an elastic waterproof interface agent 8 can be sprayed, the interface agent is uniformly sprayed, and after the construction is finished, people are strictly prohibited to come in and go out;

after the surface of the interface agent is dried, pouring the surface gypsum-based self-leveling mortar 2, adding water according to the product requirement, pouring to a specified height according to a reference control line, generally taking people up after 4-5 hours, and completing the whole operation; after the surface layer is dried and hardened, a ground material layer 9 is arranged for ground use;

wherein the gypsum-based ground mortar 1 should meet the standard requirement of GB/T25181-2019 premixed mortar, the surface gypsum-based self-leveling mortar 2 should meet the standard requirement of JC/T1023-2007 gypsum-based self-leveling mortar, and the elastic waterproof interface agent 8 should meet the standard requirement of JC/T907-2002 concrete interface treating agent;

the ground heating backfill structure adopts a method of pouring and forming twice, the cost of the gypsum-based ground mortar is low, the material cost is greatly reduced, and meanwhile, the problems of floating plates, hollowing, impurity floating and the like in the process of pouring and forming once are effectively avoided because the slurry is in a creeping state.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. The utility model provides a ground heating structure that gypsum base mortar was laid which characterized in that: the mortar comprises gypsum-based ground mortar and surface-layer gypsum-based self-leveling mortar, wherein the gypsum-based ground mortar and the surface-layer gypsum-based self-leveling mortar are sequentially poured on the upper part of the ground from bottom to top;

2. The floor heating structure laid by gypsum-based mortar according to claim 1, characterized in that: the telescopic seam strips are arranged in a plurality of positions and are respectively and correspondingly arranged at the door opening position, the corridor position and the middle position of the living room.

3. The floor heating structure laid by gypsum-based mortar according to claim 1, characterized in that: the elasticity strake is provided with a plurality ofly, just the elasticity strake is pasted firmly in succession.