concrete pavement scaling repair
How to repair scaling concrete road? BC type concrete repair material will help you.
Pls check the repair steps:
1)Identifying:
Select area need to be repaired.
2)Cleaning:
Clean out crushed stone, dust etc cleanly within area need to be repaired by high pressure blower gun.
3)Washing:
Thoroughly wash area need to be repaired cleanly by high pressure water gun, It should rush mud out from
operation surface when wash. .
4)Wetting:
After wash cleanly by water,it should keep water in operation surface for a period time.
Fully wetting operation surface, until it is no longer seep water.
5)Cleaning:
Clean water out from operation surface by high pressure blower gun.(If have water,it will seriously affect material adhesive property,compressive strength and beauty)
6)Adding water:
Mix BC type concrete repair material and water then stir, the effect is best when water added 17%-18%.
7)Mixing:
It must fully stir evenly when stir by vertical mixer.
8)Paving:
Pour mixed repair material to operation surface need repair, flattening by darby immediately
More information of BC type concrete repair material:
1)Professional repair cement concrete paving diseases:
honeycomb, pitting, peeling,dusting, freezing and thawing, salt corrosion, exposed aggregate,small crack etc.
2)Four big core advantage:
Practical performance: Fast and convenient repair, 2h can restore traffic
Adhesion performance: Adhesion force≥2.8, don't break and fall off under heavy load
Durable performance:Compression resistance,wear-resisting,waterproof anti-freeze,hydrochloric acid corrosion resistance
Higher strength,beautiful,color of repaired surface is closed to original concrete road,
suitable for all kinds of weather.
3)Application range:
Highways, national roads, provincial roads, tunnels, Municipal roads, urban & rural roads, industrial & mining
factory, parking lots, gas stations, schools, ball park, district roads etc concrete floor.
4)Testing data:
Test items | Unit | Technical requirement | Test result | Individual conclusion | |
Setting time | Initial setting | Min | ≥15 | 25 | Meet requirement |
Final setting | ≤60 | 35 | |||
Compressive strength | 2h | Mpa | ≥20 | 32 | Meet requirement |
1d | ≥30 | 63 | |||
28d | ≥50 | 95 | |||
Pull strength | 28d | Mpa | ≥1.0 | 2.8 | Meet requirement |
Expansion rate | 28d | / | 0.0%-0.1% | 0.02% | Meet requirement |
