- Pitting outside: Pitting reinforced outer protective layer.
- Deep Ro: Ro reinforced through the bearing.
- Pitting scrutinizes: Pitting through the structure, take it in show the other side.
The cause pitting:
- Do formwork transplantation is not tight, flowing water loss cement.
- due to the concrete mortar segregation during transport and when emptying.
- Do not dress carefully, dress omission or by the thickness of the concrete layer is too large beyond dress.
- Because aggregate is large, thick steel rod should not pass through it.
measures repair:
- for pitting: use wire brush clean the stones in the basket, then use small gravel concrete mortar higher marks design and rubbed flat plaster.
- for deep pitting: Use iron chisels and crowbars was cleaning the stone is located in the basket and then transplant formwork (if necessary) small gravel concrete mortar designed grade higher grade, compaction
- for pitting scrutinizes: Before the fix should prop textures if necessary and then transplant the formwork and concreting higher label design label, thoroughly compacted.
đang được dịch, vui lòng đợi..