Standard Test Method for Static Modulus of Elasticity and Poisson's Ratio of Concretein Compression

Standard Test Method for Static Modulus of Elasticity and Poisson's Ratio of Concretein Compression1 1. Scope* 1.l This test method covers determination of () chordmodulus of elasticity (Young's) and (2) Poisson's ratio ofmolded concrete cylinders and diamond-drilled concrete coreswhen under longitudinal compressive stress.Chord modulus ofelasticity and Poisson's ratio are defined in Terminology E6. 1.2 The values stated in cither Sl units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system may not be exact equivalents;therefore，eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in non-con巴复制with the standard. 1.3 This standard does not purport to address all of thesafety concerns，if any,associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bilisy of regaulatory limitations prior to use. 2. Referenced Documents 2.1 ASTM Standards:2 C31/C31M Practice for Making and Curing Concrete TestSpecimens in the Field C39/C39M Test Method for Compressive Strength of Cylin-drical Concrete Specimens C42/C42M Test Method for Obtaining and 'Testing DrilledCores and Sawed Beams of Concrete C174/C174M Test Method for Measuring Thickness of Con-crete Elements Using Drilled Concrete Cores C192/C192M Practice for Making and Curing Concrete TestSpecimens in the Laboratory C617 Practice for Capping Cylindrical Concrete SpecimensE4 Practices for Force Verification of Testing Machines