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    Concrete defects – Identifying and Repairing Common Issues

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    Concrete restoration refers to the process of repairing damaged or deteriorated concrete to restore its structural integrity and original appearance. Concrete structures like driveways, garages, patios, and commercial buildings are constantly exposed to heavy use, extreme weather, and other environmental factors that can cause cracks, pitting, and deterioration over time. While concrete repair methods can…

  • Prestressed Concrete – Full Details

    Prestressed Concrete – Full Details

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  • Aggregate Crushing Test

    Aggregate Crushing Test

    Procedure Aggregate crushing value (ACV) =  B/A x 100 Where B =  weight of aggregate passing through 2.36 mm sieve A = weight of the surface dry sample taken in mould Note ACV should not be more than 45% for use in concrete other than wearing surfaces, and 30% for concrete used for wearing surfaces…

  • Concrete Honeycombing – Assessing Risks and Repairs

    Concrete Honeycombing – Assessing Risks and Repairs

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    5 Concrete Honeycombing Repair and Detection Techniques

    Concrete Honeycombing Repair is required to treat rough and stony surface that appears on concrete when there are air voids between the course and the aggregate. This happens when insufficient fine material gets into the concrete mixture due to poor mixing or incorrect aggregate grading When poured concrete does not completely fill the formwork, voids…

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