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Rapid repairing material for airport parking apron and preparation method thereof

A technology for repairing materials and aprons, which is applied in the field of rapid repair materials and preparations for airport aprons. It can solve problems affecting the normal operation of the airport, affecting aircraft take-off, cracks on the airport pavement, etc., and achieves enhanced heat resistance and water absorption of materials. Low rate, consistent thermal expansion and contraction coefficient

Active Publication Date: 2020-03-31
广州协堡建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Most of the airport apronways in my country are rigid pavements of cement concrete, which have the characteristics of high strength and good durability. However, after long-term use, the pavement is subjected to long-term loads of aircraft, as well as weather conditions such as wind and snow, alternating cold and heat, etc. Due to the impact of changes and other conditions, cracks, breaks, edges and corners appear on the airport pavement, and even worse, which may affect the normal operation of the airport, and in serious cases, it will affect the take-off of the aircraft.

Method used

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  • Rapid repairing material for airport parking apron and preparation method thereof
  • Rapid repairing material for airport parking apron and preparation method thereof
  • Rapid repairing material for airport parking apron and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0029] The composition ratio of a rapid repair material for airport aprons: 30% of high belite sulfoaluminate cement, 10% of wollastonite powder, 15% of ceramic micropowder, 10% of mica powder, and 0.5% of powder defoamer %, silicone water repellent 0.5%, acrylic acid redispersible latex powder 8%, polycarboxylate superplasticizer 0.5%, lithium carbonate 0.05%, tartaric acid 0.1%, low viscosity HPMC 0.1%, emery 25%, sea Paoyrite fiber 0.05%, polyester fiber 0.2%.

Embodiment 2

[0031] The composition ratio of a rapid repair material for airport aprons: high belite sulfoaluminate cement 38%, wollastonite powder 6%, ceramic micropowder 25%, mica powder 15%, powder defoamer 0.1 %, silicone water repellent 0.1%, acrylic acid redispersible latex powder 5.25%, polycarboxylate superplasticizer 0.1%, lithium carbonate 0.1%, sodium gluconate 0.01%, low viscosity HPMC 0.09%, corundum 10% , Glass fiber 0.15%, polypropylene staple fiber 0.1%.

Embodiment 3

[0033]The composition ratio of a rapid repair material for airport aprons: 42% of high belite sulfoaluminate cement, 3% of wollastonite powder, 20% of ceramic micropowder, 5% of mica powder, and 0.1% of powder defoamer %, silicone water repellent 0.5%, acrylic acid redispersible latex powder 15%, polycarboxylate superplasticizer 0.5%, lithium sulfate 0.07%, sodium citrate 0.08%, low viscosity HPMC 0.1%, corundum 13.4% , ceramic fiber 0.2%, polyacrylonitrile fiber 0.05%.

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Abstract

The invention belongs to the technical field of airport parking lane maintenance, and particularly relates to a rapid repairing material for an airport parking apron and a preparation method thereof.The repairing material is prepared from the following components: high-belite sulphoaluminate cement, wollastonite powder, a powder defoaming agent, a water repellent, quartz powder, acrylic acid redispersible latex powder, a polycarboxylate superplasticizer, a medium-term early strength agent, an early retarder, low-viscosity HPMC, fine aggregates, heat-resistant fibers and polymer fibers. The repairing material disclosed by the invention has high bonding force, and is free from hollowing and cracking after being repaired; the strength can reach C65 or above; the toughness is high, and the impact resistance is more than 20 times that of common concrete; low-temperature cyclic freezing and thawing at -40 DEG C or below can be resisted; acid and salt corrosion resistance; thermal expansionand cold contraction coefficients are consistent; synchronous displacement between cold and hot circulation and original concrete is ensured; and moreover, navigation can be performed only by maintaining for 2 hours after construction, and therefore, the rapid repairing material for an airport parking apron is suitable for rapid maintenance and repair of airport roads.

Description

technical field [0001] The invention belongs to the technical field of airport apron maintenance, and in particular relates to a quick repair material for airport aprons and a preparation method thereof. Background technique [0002] Most of the airport apronways in my country are rigid pavements of cement concrete, which have the characteristics of high strength and good durability. However, after long-term use, the pavement is subjected to long-term loads of aircraft, as well as wind and snow, alternating cold and hot weather, etc. The impact of changes and other conditions has caused cracks, breaks, edge drop and corners on the airport pavement, and even worse conditions, which may affect the normal operation of the airport, and in severe cases, it will affect the take-off of the aircraft. Therefore, for the maintenance of the airport pavement, the task of repairing the airport runway and the repairing of the airport road can be described as a top priority. [0003] The m...

Claims

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Application Information

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IPC IPC(8): C04B28/06C04B111/72
CPCC04B28/06C04B2201/50C04B2111/72C04B14/043C04B18/023C04B14/20C04B2103/50C04B24/42C04B2103/0057C04B2103/302C04B22/10C04B24/06C04B24/383C04B14/324C04B14/4643C04B16/0683C04B24/10C04B14/42C04B16/0633C04B22/147C04B14/46C04B16/0658C04B16/0641
Inventor 华丽陈均侨周常林
Owner 广州协堡建材有限公司
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