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…used in place of the strain gage.
(5) Loading direction is generally along the 0-degree direction.
(6) Use modified ASTM D5961 per Figure 1-3.
(Note that the layup numbers 1, 2 and 3 correspond to those designated as “quasi
isotropic,” “soft” and “hard” respectively. In addition, the 0°/90° cross-plied laminates
used for the unidirectional materials only…
https://www.wichita.edu/industry_and_defense/NIAR/Research/tencate-tc250/12k-HTS40-2.pdf