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Unformatted text preview: Full and Partial depth Repairs/Patching What It’s the process of restoring damaged or deteriorated areas of concrete slaps, by extracting the sections of the slab which contain those areas and replacing them with patching material. How full depth patching the sections of the slab which contain the deterioration have to be completely extracted and removed. The extraction process has to extend to the bottom of the concrete pavement (sub-base or sub-grade). This is done by isolating the deteriorated area from the rest of the pavement through full depth saw cuts using diamond bladed saws. Then the section would be removed carefully without damaging the rest of the slab by lifting it up or breaking it up in place. Lifting pins which connect the section to be removed with the lifting equipment can be used, or mechanised breakers can be used as well. If the deterioration is severe, then the used, or mechanised breakers can be used as well....
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- Three '10
- 25%, 50 mm, 35 mm, Partial depth patching, spalling Corner, Shallow depth deterioration