Bridge Deck Expansion Joint Repair Solution
Bridge deck expansion joint broken:
Bridge deck expansion joint after repaired:
How to repair bridge deck expansion joint so beautiful?
-----Use Huineng concrete bridge QM type repair mortar.
It is a kind of single component special repair material. it is idea for repairing
Highways, National roads, Provincial roads, Municipal bridge deck and bridge
expansion joint cracks.
Advantage:
1.Achieved 1-2 h rapid open traffic
2.Simple construction
3.High strength, good toughness, strong adhesion
4.Waterproof aniti-freeze
5.Seamless with original concrete
6.Small color difference with original concrete
Technical data:
Test items | Unit | Technical requirement | Test result | Individual conclusion | |
Setting time | Initial setting | Min | ≥20 | 25 | Meet requirement |
Final setting | ≤60 | 35 | |||
Compressive strength | 2h | Mpa | ≥20 | 33.0 | Meet requirement |
1d | ≥40 | 66.1 | |||
28d | ≥50 | 90.5 | |||
Flexural strength | 2h | ≥4 | 5.5 | Meet requirement | |
1d | ≥6 | 10.5 | |||
28d | ≥8 | 13.5 | |||
Pulling strength | 28d | Mpa | ≥2.0 | 2.8 | Meet requirement |
Expansion rate | 28d | / | 0.00%-0.1% | 0.01% | Meet requirement |
Repair steps:
Traffic control→Marking out→Joint-cutting→Chiseling→Placing striped cloth
→Cleaning→Welding→Washing→Mixing material→Repairing→Curing→Open to traffic
Package & Storage
1)Package: Paper plastic composite bag packaging, 25Kg/bag.
2)Storage: Store in a cool, dry place, rainproof and moistureproof.
3)Storage period: 9 months
