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<br /> <br />e.ls <br />,... <br />,,~ (Flow Chart may be modified by in-service performance data) <br />Cheek the appropriate boxes along flow chart lines to define <br />~~ the durability of rock in question. <br />. I,pe Angeles abrasion point-load Test <br />>40\ <40\ Index Is <300 psi Is >300 psi <br />Reject Compare with Reject Compare wit <br />other tests other tests <br />before before <br />Schmidt Hammer (SHV) <br />SNV<25 SHV>25 <br />Freeze-than Test <br />Visible No visible <br />disintegration disintegration <br />Reject Compare with Reject Compare with <br />other testa other tests <br />before before <br />acceptance acceptance <br />Sulfate.SOUndneas <br />(•aee text) Slake Durability-Two Cycle <br />Loss >10\• Loea <10\~ Loss >5\ Loss <5- <br />Reject Compare with ' Reject Compare with <br />other teats other tests <br />before before <br />acce tance acce ~tance <br />Figure R.2b. Rock durability laboratory flow chart. <br />