Standard Test Method for Performing Laboratory Direct Shear Strength Tests of Rock Specimens Under Constant Normal Force subscription-only BS 812-121 covers the test

BS 812-121 covers the test method for determining the magnesium sulphate soundness value for other size fractions of aggregate

This part of ISO 21940 defines different classes of protection that enclosures and other protective measures provide and describes the limits of applicability for each class of protection

printing and finishing)

From all the available data an environmental description will be generated and compared to that set out in the IEC 60721 series

Standard Test Method for Performing Laboratory Direct Shear Strength Tests of Rock Specimens Under Constant Normal Force subscription-only BS 812-121 covers the test