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CN-122013963-A - Hydrophobic anti-cracking grindstone terrace foundation structure

CN122013963ACN 122013963 ACN122013963 ACN 122013963ACN-122013963-A

Abstract

The invention discloses a hydrophobic anti-cracking terrazzo floor foundation structure, which relates to the field of garage terrazzo, and comprises a base layer, a hydrophobic layer and a resin cloth layer, wherein the base layer is arranged at the bottommost part and is used as a construction foundation, the base layer is a bottom concrete layer, the hydrophobic layer is arranged above the base layer, the hydrophobic anti-cracking terrazzo floor foundation structure is characterized in that the base layer adopts a concrete layer with the strength grade not lower than C25 to provide firm support for a floor, sedimentation deformation is avoided, the resin cloth layer enhances the overall performance of the floor, moisture permeation is prevented, the anti-cracking capability is improved, the terrazzo surface layer adopts solvent-free resin, the bonding force with the resin cloth layer is improved, the overall stability is ensured, and the cracking problem caused by unstable bonding between layers is reduced, so that underground moisture and slight water seepage can be effectively dredged and isolated, underground moisture and the fine water seepage are realized, and a good decorative surface layer is formed.

Inventors

  • XIAO WEI
  • XU YAN

Assignees

  • 耐思福新材料科技(重庆)有限公司

Dates

Publication Date
20260512
Application Date
20260401

Claims (8)

  1. 1. A hydrophobic, crack resistant, terrazzo floor foundation structure comprising: a base layer (1) arranged at the bottommost part as a construction foundation, wherein the base layer (1) is a bottom concrete layer; The hydrophobic layer (2) is arranged above the base layer (1) and is used for dredging underground moisture and slightly permeating water, and the thickness of the hydrophobic layer (2) is larger than 30mm; The resin cloth layer (3) is arranged above the hydrophobic layer (2), and the material of the resin cloth layer (3) comprises felt and cloth; And the grindstone surface layer (4) is arranged above the resin cloth layer (3).
  2. 2. A hydrophobic anti-crack terrazzo floor foundation structure according to claim 1, characterised in that the resin used in the terrazzo facing (4) is a solvent-free resin.
  3. 3. A hydrophobic anti-crack terrazzo floor foundation structure according to claim 1, characterised in that the components of the terrazzo aggregate comprise marble and granite rubble in a ratio of 3:1-5:1.
  4. 4. A hydrophobic anti-crack terrazzo floor foundation structure according to claim 3, characterised in that a layer of interface agent is arranged between the hydrophobic layer (2) and the resin cloth layer (3) and between the resin cloth layer (3) and the terrazzo layer (4), respectively, the thickness of the interface agent being applied in the range of 0.1-0.2 mm.
  5. 5. The hydrophobic anti-cracking terrazzo floor foundation structure according to claim 1, characterized in that the construction method of the hydrophobic layer (2) is as follows: A1, firstly, grinding the bottom concrete, removing surface floating paste, loose particles and the like, controlling the surface evenness of the base layer (1) to be within +/-5 mm, and then repairing defects such as holes, cracks and the like on the surface of the base layer (1), so as to ensure the evenness and firmness of the surface of the base layer (1); A2, finally, scraping the dense holes by using graded sand mixed resin, wherein the dense filling of the holes and the smooth surface are ensured during scraping.
  6. 6. A hydrophobic anti-crack terrazzo floor foundation structure according to claim 5, characterised in that the method of laying the terrazzo face layer (4) is: the resin and the millstone aggregate are uniformly stirred according to a certain proportion during paving, and then the mixture is paved on the resin cloth layer (3), the paving thickness is controlled between 5mm and 10mm, and a scraper is used for scraping the mixture during paving, so that the surface of the millstone aggregate is ensured to be flat; b2, using a heavy grinder to prepare grinding sheets with different meshes, and sequentially grinding the grinding sheets to 150 meshes; B3, kneading slurry and hole filling by using a special hole filling material, filling the slurry and hole filling material into holes of a surface layer, scraping the surface with a scraper, and grinding the surface layer after the hole filling material is dried; b4, matching 300-mesh grinding sheets with a heavy-duty grinder for longitudinal and transverse grinding; B5, using a heavy grinder to prepare grinding sheets with 500-6000 meshes, and carrying out longitudinal and transverse grinding again to ensure that the ground surface of the grinding stone emits light; the polishing is carried out by using special polishing materials to further ensure the stain resistance and the smoothness of the ground, and a proper polishing machine and polishing materials are selected during the polishing, and the polishing is carried out according to a certain sequence and direction, so that a layer of protective film is formed on the surface of the ground; and B7, after finishing all construction contents of the grinding stone, fully paving by using a special protection pad, and protecting a finished product.
  7. 7. The hydrophobic anti-cracking terrazzo floor foundation structure of claim 4, wherein nano silicon dioxide is added in the interface agent, the particle size of the nano silicon dioxide is 10-50nm, the addition amount of the nano silicon dioxide is 1-5% of the mass of the interface agent, anti-slip particles are added in the terrazzo aggregate, the anti-slip particles are quartz sand, the particle size of the anti-slip particles is 0.5-2 mm, and the addition amount of the anti-slip particles is 5-15% of the total mass of the terrazzo aggregate.
  8. 8. The hydrophobic anti-cracking terrazzo floor foundation structure according to claim 6, wherein in the step A4, an early strength agent and an anti-aging agent are added into the graded sand mixing resin, the addition amount of the early strength agent is 1-3% of the mass of the resin, and the addition amount of the anti-aging agent is 0.5-2% of the mass of the resin; In the step B3, nano-rubber powder is added into the hole-filling material, the particle size of the nano-rubber powder is 50-100nm, and the addition amount of the nano-rubber powder is 2-5% of the mass of the hole-filling material; In the step B6, the polishing material is added with a brightening agent, and the addition amount of the brightening agent is 1% -3% of the mass of the polishing material.

Description

Hydrophobic anti-cracking grindstone terrace foundation structure Technical Field The invention relates to a garage grindstone technology, in particular to a hydrophobic anti-cracking grindstone terrace foundation structure. Background The terrazzo terrace is a novel terrace imitating terrazzo terrace construction, the terrazzo terrace is multiple in style and attractive, but some defects still exist, the maximum risk of the terrazzo and the most quality problems are hollowing cracking, particularly the terrazzo of a garage, and sometimes the bottom foundation of an application scene is likely to slightly crack, permeate water and get damp. These problems all lead to cracking of the stone surface. The common practice on the market at present is a steel fiber anti-cracking leveling layer with the thickness of more than 50mm, but the method has uneven and uncontrollable quality of finished products, has various problems in laying, such as basic vibration, tiny cracking, water seepage, moisture regain and the like, which can lead to cracking of a grinding stone surface layer, and can not realize laying with the thickness of less than 50mm, the flatness finally formed by the practice is difficult to control within 2-3 mm, further, the flatness of the surface layer is insufficient, and the material consumption of the surface layer is larger. Disclosure of Invention The invention aims to provide a hydrophobic anti-cracking ground stone terrace foundation structure, which solves the problems that paving of a ground stone terrace with a thickness smaller than 50mm cannot be realized in the prior art, and the flatness finally formed by the method is difficult to control within 2-3 mm, so that the flatness of a surface layer is insufficient and the material loss of the surface layer is large. In order to achieve the above purpose, the invention provides a hydrophobic anti-cracking ground stone terrace foundation structure, which comprises: The basic unit sets up as the construction basis at the bottommost, the basic unit is the bottom concrete layer, and this concrete layer should possess sufficient intensity and stability to bear the effect of each layer of structures of top and load such as vehicle, its intensity level should carry out reasonable selection according to actual use scene and design requirement, generally is not less than C25, and the concrete should pour closely knit, does not have obvious defects such as honeycomb, pitting surface. The hydrophobic layer is arranged above the base layer and is used for dredging underground moisture and slightly permeating water, and the thickness of the hydrophobic layer is larger than 30mm; the resin cloth layer is arranged above the hydrophobic layer, the material of the resin cloth layer comprises felt and cloth, a layer of felt or cloth is integrally paved in the paving process of the hydrophobic layer, the felt or cloth is smooth and wrinkle-free during paving, the felt or cloth is tightly attached to the hydrophobic layer, a compact waterproof and crack-resistant layer is formed, and the overall performance of the terrace structure is enhanced; The grindstone surface layer is arranged above the resin cloth layer. Further, the resin used in the grindstone surface layer is solvent-free resin, has the advantages of environmental protection, no pollution, strong cohesiveness and the like, can effectively improve the cohesiveness between the grindstone surface layer and the resin cloth layer, and ensures the overall stability of the terrace structure. Further, the components of the grindstone aggregate comprise marble and granite broken stone, the proportion of the marble to the granite broken stone is 3:1-5:1, and the grindstone surface layer has good wear resistance and attractive color and texture by reasonably controlling the proportion of the two aggregates. Further, a layer of interfacial agent is respectively arranged between the hydrophobic layer and the resin cloth layer and between the resin cloth layer and the grindstone surface layer, the interfacial agent has good cohesiveness and penetrability, the cohesiveness between the layers can be enhanced, layering, hollowing and the like are prevented, the interfacial agent is uniformly coated, the thickness is uniform, and the coating thickness of the interfacial agent is 0.1-0.2 mm. Further, the construction method of the hydrophobic layer comprises the following steps: Firstly, grinding the bottom concrete to remove surface floating paste, loose particles and the like, controlling the surface evenness of a base layer to be within +/-5 mm, and then repairing defects such as holes and cracks on the surface of the base layer to ensure the evenness and firmness of the surface of the base layer; a2, scraping dense holes by using graded sand mixed resin, wherein the dense filling of the holes and the smooth surface are ensured during scraping. Further, the paving method of the grinding stone surface layer comprise