CN-122013959-A - Regenerated runway stone surface strengthening method and construction method suitable for indoor decorative plate

CN122013959ACN 122013959 ACN122013959 ACN 122013959ACN-122013959-A

Abstract

The invention discloses a method for reinforcing the surface of regenerated runway stones suitable for indoor decoration plates and a construction method, wherein the method comprises the steps of coating glue on the front surface of a plate of a regenerated runway Dan Gui to fill holes, sand holes and gaps on the stone surface, wherein hole-filling glue used for coating glue comprises oxide micro powder, the volume ratio of the oxide micro powder in the hole-filling glue is 30-50%, and the paved regenerated runway stones are polished by using an acid polishing solution. According to the invention, the oxide micro powder with good wear resistance is added into the stone pore filling glue, and the regenerated decorative board is polished by the acid polishing solution after being installed, so that the oxide content of the surface filled with the regenerated runway stone is further improved, the wear resistance and the acid resistance of the surface of the regenerated runway stone are improved, and meanwhile, the polishing glossiness is ensured, so that the regenerated runway stone meets the use requirement of an indoor decorative board.

Inventors

ZHANG TENG
LIU CHUNZE
WANG LIXIONG
ZHENG LIBIN
JIANG YINI
PAN JIE
CAO JING
ZHU NAN
ZOU ZHENGRONG
SHI YIJUN

Assignees

上海市建筑装饰工程集团有限公司

Dates

Publication Date: 20260512
Application Date: 20260205

Claims (10)

1. A surface strengthening method of regenerated runway stones suitable for indoor decoration plates is characterized in that holes, sand holes and gaps on stone surfaces are filled with glue on the front surface of a Dan Gui-grid plate of a regenerated runway, hole filling glue used for glue filling comprises oxide micro powder, the volume ratio of the oxide micro powder in the hole filling glue is 30-40%, the regenerated runway stones after paving are polished by using acid polishing liquid, the water absorption rate of the polished regenerated runway stones is lower than 1.5%, the acid resistance is higher than 97%, and the average Mohs hardness is not lower than 6.
2. The method for reinforcing a surface of a regenerated runway stone suitable for an interior decoration panel according to claim 1, wherein the oxide fine powder is at least one of silica fine powder and alumina fine powder, and has a particle size of 0.5-2 μm.
3. The method for reinforcing a surface of a regenerated runway stone suitable for an interior trim panel according to claim 1 or 2 wherein the pore-filling glue comprises a commercial epoxy-based pore-filling glue and an oxide micro powder.
4. The method for reinforcing a surface of a regenerated runway stone suitable for an interior trim panel according to claim 1 or 2 wherein the pore-filling glue comprises a commercial polyurethane-based pore-filling glue and an oxide micro powder.
5. The method for strengthening the surface of the regenerated runway stone applicable to the interior decoration board according to claim 1 or 2, wherein the acidic polishing solution comprises citric acid, grinding powder and water, and has a pH value of 2-3.
6. The construction method of the regenerated runway stone suitable for the indoor decorative plate is characterized by comprising the following steps of: S1, separating and cutting the runway stone wool to obtain a plate with a required specification; S2, covering glue on the front surface of the runway Dan Gui grid plate to fill holes, sand holes and gaps on the stone surface to obtain a runway stone regenerated decorative plate, wherein the hole-filling glue used for covering the glue comprises oxide micro powder, and the volume ratio of the oxide micro powder in the hole-filling glue is 30-40%; S3, paving and pasting construction on site on the runway stone regenerated decorative board by adopting cement mortar according to the typesetting requirements of the decorative board, and reserving expansion joints; S4, slotting and caulking, namely re-slotting and cleaning expansion joints between the runway stone regenerated decorative plates by using a stone seam cutter to ensure that the width of the seam is uniform; and S5, polishing the paved runway stone regenerated decorative plate by using an acidic polishing solution to finish construction.
7. The method for constructing a regenerated runway stone suitable for use as an interior trim panel according to claim 6, wherein the step of laying the regenerated runway stone trim panel in step S3 comprises: S31, cleaning and leveling the concrete base layer; S32, snapping lines, namely snapping the cross control lines on the concrete base layer, leading to the bottom of the wall surface, finding out the elevation of the surface layer according to the horizontal control lines of the wall surface plus 0.5m, and popping up the horizontal elevation lines on the wall; Step S33, brushing cement paste and paving a mortar combined layer, namely sprinkling water to wet a concrete base layer, brushing an plain cement paste layer, pulling a cross control line, paving a leveling layer by using dry cement mortar with the ratio of 1:2-1:3, and controlling the thickness to be 3-4 mm higher than the horizontal line of the surface layer when a runway stone specification block is put on; Step S34, the runway stone regeneration decorative plate is soaked in water in advance, the surface is dried in shade and no water is left, then paving is started from the intersection point of the cross control lines, firstly, the runway stone regeneration decorative plate is paved on a paved leveling layer by aligning the control lines, a wood pad on the runway stone regeneration decorative plate is knocked, after the mortar is compacted to the paving height, the runway stone regeneration decorative plate is lifted aside, whether the mortar surface is matched with the runway stone regeneration decorative plate is checked, if empty drums are found, the mortar is filled for reality, then, the paving is formally carried out, a layer of cement paste is fully scraped on the back surface of the runway stone regeneration decorative plate, then the runway stone regeneration decorative plate is paved, four corners are simultaneously dropped down during the paving, a rubber hammer or a wood pad on the runway stone regeneration decorative plate is used for leveling according to the horizontal line, and the first piece is paved, and the runway stone regeneration decorative plate is sequentially paved towards two sides and the retreating direction.
8. The construction method of regenerated runway stone for indoor decoration according to claim 6, wherein the oxide micro powder is at least one of silica micro powder and alumina micro powder, and the particle size is 0.5-2 μm.
9. The construction method of regenerated runway stone for indoor decoration board according to claim 6, wherein the components of the acidic polishing solution in the step S5 comprise citric acid, grinding powder and water, and the pH value is 2-3.
10. The construction method of regenerated runway stone for indoor decorative boards according to claim 5, wherein after the surface of the regenerated runway stone decorative board is completely dry and solid, the regenerated runway stone decorative board is subjected to secondary glue coating before mechanical grinding.

Description

Regenerated runway stone surface strengthening method and construction method suitable for indoor decorative plate Technical Field The invention relates to the technical field of runway stone regeneration, in particular to a regenerated runway stone surface strengthening method and a construction method suitable for an indoor decorative plate. Background The runway stone of the airport mainly comes from the breaking and dismantling process of the flight area and the apron area in the airport rebuild, and comprises cement pavement, asphalt pavement, road shoulders, runway and other waste concrete dismantled from the flight area and the apron area. If the waste concrete is piled up and buried according to construction waste, not only the land resource is occupied, but also secondary pollution is caused. In fact, although the friability of airport runway stones increases after many years of use at high frequency, they are still excellent in various physical properties such as hardness and modulus, and also have high recycling value. Through scientific classified collection and secondary processing, a part of waste airfield runway stones can be converted into various building materials such as concrete decorative plates, stone-like curbstones, assembled pavement, regenerated fillers and the like, and the waste airfield runway stones are directly applied to airfield reconstruction or extension engineering. The concrete decorative board is used as an interior decoration material, has higher requirements on glossiness, and needs polishing treatment on the decorative board after the concrete decorative board is installed. However, the airfield runway stone is used as recycled concrete, has a large number of surface pores and high water absorption, and is generally processed by adding pore filling glue to reduce the water absorption. However, the commercial pore filling glue is usually an organic matter such as epoxy resin or polyurethane, and the filling place not only can reduce the wear resistance and the acid resistance of the surface of the runway stone, but also can not meet the requirements of indoor decorative materials on the wear resistance and the acid resistance of the regenerated decorative board of the runway stone. This problem limits the scale application of the airfield runway stone recycled trim panel. Disclosure of Invention Aiming at the defects in the prior art, the invention provides a regenerated runway stone surface strengthening method and a construction method suitable for an indoor decorative plate, wherein oxide micro powder is added into filling glue of a hole, and the surface is polished by acid polishing liquid after the regenerated decorative plate is installed, so that the oxide content of the surface filled with the regenerated runway stone is further improved, the wear resistance and acid resistance of the surface of the regenerated runway stone are improved, the polishing glossiness is ensured, and the regenerated runway stone meets the use requirement of the indoor decorative plate. In order to achieve the above purpose, on the one hand, the invention provides a method for reinforcing the surface of regenerated runway stones suitable for indoor decorative plates, wherein the front surface of a Dan Gui-grid plate of the regenerated runway is covered with glue to fill holes, sand holes and gaps on the stone surface, the hole-filling glue used for covering the glue comprises oxide micro powder, the volume ratio of the oxide micro powder in the hole-filling glue is 30-40%, the paved regenerated runway stones are polished by using an acidic polishing solution, the water absorption rate of the polished regenerated runway stones is lower than 1.5%, the acid resistance is higher than 97%, and the average Mohs hardness is not lower than 6. According to the invention, the pore-filling glue containing the oxide micro powder is used for pore-filling treatment on the surface of the regenerated runway stone, so that on one hand, the porosity of the surface of the regenerated runway stone can be reduced, the water absorption rate of the stone is reduced, on the other hand, the volume ratio of the oxide micro powder in the pore-filling glue is 30-40%, the volume ratio is too low, the wear resistance and the acid resistance of the filling material cannot meet the application requirements, and if the volume ratio is too high, the filling material is difficult to uniformly disperse in a matrix, and meanwhile, the binding force of colloid and stone is reduced. The acidic polishing solution can polish the stone surface to improve the oxide content of the stone surface, and further improve the wear resistance and acid resistance of the regenerated runway stone surface. Further, the oxide micro powder is at least one of silica micro powder and alumina micro powder, and the particle size is 0.5-2 mu m. The oxide micropowder with the particle size can be better and evenly dispersed in a colloid matrix. F