concrete slab crack repair
There are many types of cracks occur in concrete slabs, such as shrinkage cracks, settlement cracks, frost heaves etc,use this page as a guide to help you decide which repair method is best for your concrete slab crack repair. This section covers choose which material and how to repair concrete slab crack, material features,technical parameter and benefit analysis. Read on to lean the best concrete slab crack repair method.
Concrete slab crack damage: badly cracked and urgently need repair
1.Choose material to repair concrete slab crack:
As for concrete slab crack damage, we suggest you use Huineng brand SC type concrete
repair material.it is high-tech repair material, mainly repair for serious damage in concrete.
2.Why choose SC repair material to repair concrete slab crack?
1)Fast setting,1 hour restore the traffic,reduce traffic jams.
2)Uniform color,joint tightly after repair,no dry shrinkage cracks.
3)High adhesion strength,compressive & flexural strength is 2 times of normal concrete.
4)Good toughness,Impact resistance strength is more than 5 times of normal concrete.
5)Anti-freeze,heat expansion & cold contraction nearly same as grass-root concrete.
3.Technical parameter of SC repair material to repair concrete slab crack(28 days)
Test items | Unit | Technical requirement | Test result | Individual conclusion | |
Setting time | Initial setting | Min | ≥20 | 25 | Meet requirement |
Final setting | ≤60 | 35 | |||
Compressive strength | 4h | Mpa | ≥20 | 33.0 | Meet requirement |
1d | ≥40 | 66.1 | |||
28d | ≥50 | 90.5 | |||
Pulling strength | 28d | Mpa | ≥2.0 | 2.8 | Meet requirement |
Expansion rate | 28d | / | 0.00%-0.1% | 0.01% | Meet requirement |
4.Concrete slab crack repair method:
5.Benefit analysis of SC repair material to repair concrete slab crack:
1)Perfectly filling cracks,water difficultly to enter.If repaired by other ways,
it still is broken slab,weak strength caused water easy enter into.
2)Nice color,color is same as original concrete slab.
3)No dry shrinkage cracks in new and old adhesion area.
4)High adhesion strength,original concrete slab won't be broken.
5)Extend concrete slab service life.
If you are still worry about concrete slab crack repair, Pls call us or send us email, we will help you solve this difficuly problem.
