ASTM C1568-08(R2020) pdf download

ASTM C1568-08(R2020) pdf download

1.1 This test method covers a procedure to determine the mechanical uplift resistance of concrete and clay roof tiles,which relates to the wind resistance of an air-permeable roof tile system as applied to a roof. 1.2 The procedure covers mechanically-fastened attachment systems, adhesive-set attachment systems, and mortar-set at-tachment systems, or combinations of attachment systems, that

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ASTM C1426-14(R2020) pdf download

ASTM C1426-14(R2020) pdf download

1.1 Polarimeters and polariscopes used for measuring stress in glass are described in Test Methods F218, C148, and C978.These instruments include a light source and several optical elements (polarizers, optical retarders, filters, and so forth) that require occasional cleaning, realigning, and calibration. The objective of these practices is to describe the calibration and verification procedures

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