ASTM D7250/D7250M - 16 - Standard Practice for Determining Sandwich Beam Flexural and Shear Stiffness

ASTM D7250/D7250M - 16

Standard Practice for Determining Sandwich Beam Flexural and Shear Stiffness

Status : Current   Published : April 2016



1.1 This practice covers determination of the flexural and transverse shear stiffness properties of flat sandwich constructions subjected to flexure in such a manner that the applied moments produce curvature of the sandwich facing planes. Permissible core material forms include those with continuous bonding surfaces (such as balsa wood and foams) as well as those with discontinuous bonding surfaces (such as honeycomb). The calculation methods in this practice are limited to sandwich beams exhibiting linear force-deflection response. This practice uses test results obtained from Test Methods C393/C393M and/or D7249/D7249M.

1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

1.2.1 Within the text the inch-pound units are shown in brackets.

1.3  This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Standard NumberASTM D7250/D7250M - 16
TitleStandard Practice for Determining Sandwich Beam Flexural and Shear Stiffness
Publication Date01 April 2016
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors Core shear modulus, Flexural stiffness, Sandwich construction, Sandwich deflection, Shear rigidity, Shear stiffness
File Size167 KB

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