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schmidit hammer
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Element: Date of testing:Date & time of placing:Conrete class: Cement content (kg/m3): SKETCH / DESCRIPTION:Hammer orientation: Tester (Signature): Rebound values:1 1Number of values: 2Standard Deviation:Average 1 MPa"5% value": 1 MPaREMARKS:Indicative strengthNo: .NJ HPSCHMIDT HAMMER TEST