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Table 2 Comparison of coaxial double ring test geometries

From: Edge strength of core drilled and waterjet cut holes in architectural glass

Test setup Standard Loading ring diameter (mm) Reaction ring diameter (mm) Specimen dimensions (mm2)
EN CDR R45 EN 1288-5:2000 18 90 100 × 100
EN CDR R400 EN 1288-2:2000 600 800 1000 × 1000
Present research None (based on other researches) 51 127 250 × 250