a few days ago, Jia solid application for "a self-healing concrete fine crack repair structure", "a new basement roof waterproof moisture proof mildew structure", "a new basement shear wall waterproof moisture proof mildew proof structure" and "an old basement waterproof moisture proof mildew proof structure" four utility model patents passed the review and approval of the national intellectual property office, All of these are authorized, Patent numbers are: ZL 2021 2 0091438.0, ZL 2020 2 3004442.3, ZL 2020 2 3004324.2, and ZL 2020 2 3004364.7, respectively.

A self-healing concrete micro-fine crack repair structure

In the construction process of concrete, affected by design, construction, material selection and maintenance and other factors will produce fine cracks, subsequently induce carbonization, acid-alkali erosion and freezing and melting damage, harmful substances into the structure, the damage is further intensified, and seriously affect the structural safety.

The repair of micro fine cracks in the concrete structure is very critical, but the repair of micro fine cracks is very difficult, especially 0.5mm cracks, whether by grouting injection or surface material sealing have certain defects.

The utility model patent provides a self-healing concrete micro crack repair structure, through a new structural system, the perfect repair of concrete micro cracks, filler does not shrink and strong adhesion force, green environmental protection, and concrete can be beautifully modified.

The fine crack repair structure, through the combination of SA permeable crystalline concrete fine crack repair agent A agent, SA permeable crystalline concrete fine crack repair agent B agent, seepage mortar and clear water concrete protection coating, perfect repair of fine cracks, filler does not shrink and strong adhesion force, long time effective, the same life as concrete, green environmental protection;

At the same time, the repair structure has a self-healing function. When the concrete produces small cracks again, in the case of water entry, the unreacted nano-silicon ions are activated, and rereacts with the free calcium ions in the concrete to generate calcium silicate crystals to repair the small cracks, so as to achieve self-healing.

A new basement roof waterproof and moisture-proof structure

Basement roof is generally the first floor, pavement or planting surface, its general structure for concrete structure floor, waterproof coil and insulation layer, this structure layer in practical engineering application has some disadvantages: waterproof coil construction, easy to catch edge sealing, damage in construction, long-term soaking and aging, causing leakage and leakage, and lead to insulation layer failure and leakage in the basement.

Even if the waterproof coil and insulation layer has not failed, can avoid the entry of liquid water, but it is difficult to effectively prevent gaseous water through concrete penetration into the basement, especially for new projects, gaseous water into the new basement will lead to damp and moldy roof, jiangnan yellow plum weather is particularly obvious, new basement after the above problems, later difficult to deal with, will bring unnecessary construction costs and labor costs.

This patent provides a waterproof, moisture-proof and mildew-proof structure of a new basement roof, equipped with waterproof material layer with water-based permeable crystalline type layer, water-based epoxy resin closed coating layer, waterproof leveling layer and moisture-regulating mildew-proof coating layer.

Water-permeable crystalline waterproof material can greatly improve the tightness and seepage level of the roof base surface. Water-based epoxy closed coating and concrete base surface have high bonding strength, which can withstand huge back water pressure, effectively prevent the internal seepage of liquid water and gaseous water, strong hardness and smooth and beautiful; moisture content, reduce moisture cannot stay on the surface, and has continuous mildew prevention effect.

A new kind of basement shear wall is waterproof and moisture-proof and mildew-proof structure

New shear wall of the basement, is generally waterproof roll outside, that is, the structure from waterproof, external waterproof layer (asphalt roll, polymer roll), to resist the external liquid water into the basement, but waterproof = moisture, when gaseous water into and moisture sinking in the air, shear wall or will have the symptoms of damp and mildew.

The utility model patent provides a waterproof, moisture-proof mildew proof structure of new basement shear wall, successively constructing water-based permeable crystalline waterproof material layer, water-based epoxy resin closed coating layer, polyester cloth layer and heat insulation mildew proof coating layer.

The combination of multiple coatings not only prevents the internal penetration of liquid water and gaseous water in the soil outside the basement shear wall, but also solves the problem of condensation water dew caused by excessive moisture in the basement space, effectively ensuring the waterproof safety of the basement.

An old basement with a waterproof, moisture-proof and mildew-proof structure

Basement position is low, exterior wall and bottom plate are deeply buried underground, water and groundwater in the soil under the action of poor pressure difference through concrete cracks, cracks into the indoor, plus outdoor moisture into, will cause basement damp moldy phenomenon, old basement waterproof layer aging, serious damage, make such problems more prominent.

The existing solutions are generally waterproof structure using rolling materials on the outside of the basement, but when the rolling materials is used in the underground environment for a long time, it is easy to damage and aging, poor protection, short waterproof life and other problems, which makes that the waterproof effect is greatly reduced. Once the leakage occurs, it is difficult to remedy.

This patent provides a waterproof, moisture-proof and mildew-proof structure of an old basement, including concrete foundation surface, water-based permeable crystalline waterproof layer, water-based epoxy resin closed coating layer, heat insulation anti-dew coating layer, moisture-regulating coating layer.

The combination of multiple coating not only blocks the penetration of gaseous water and liquid water outside the basement, but also solves the problem of condensation water dew caused by excessive moisture in the basement space, completely solve the common problems of the old basement damp, dew, mildew, ensure the basement waterproof safety, and enrich the relatively single waterproof structure system in the existing technology, has good practical value.

Up to now, Jiagushi has applied for 29 invention patents, of which 5 have been authorized and 34 utility model patents (29 have been authorized).In the future, Jiagushi will forge ahead and pay more attention to scientific and technological innovation while forging ahead, so as to realize the transformation of more new technologies, new materials and new technology achievements, and boost the development of the industry to a new level.