-Pitting: Pitting out of reinforced protection layer. -Pitting depth: Pitting through reinforcement layer. -Pitting being: Pitting through texture, the other side sees in the snatch. Causes pitting: -Do not graft snugly sealed formwork, cement water flow loss. -Due to the concrete mortar were stratified when shipped and when pouring. -Due to intermittent, intermittent no omission or due to the thickness of concrete layer too large beyond the lagoon. -By aggregates too large, thick rebar should not penetrate. Repair remedies: -For pitting the face: using brushes, wash the stones in the concrete mortar, then use pitting small pebbles higher grade plaster design and massage. -For deep pitting and iron chisels: used Crow trees clean the stone lies in the region of pitting then graft the formwork (if necessary) to pour concrete mortar small gravel grade higher grade design, compacted -For pitting being: before repair need structural support if needed then transplant formwork and pouring concrete grade higher grade, intermittent technical design.
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