ROCK MECHANICS. Experiment 1 Rock Strength Index Tests A) ... Scratched easily Approximate Compressive Strength 50-100 MPa (Class3) (Table 1) Table 1 ...

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Get PriceIn general the compressive load from a dam on to its foundations will not exceed 10 MPa. The strength of a rock will ... Table - Unconfined compressive strength of rocks.

Get PriceFor interpretation see Meaning of Rock Classes: Rock Mass Rating ... This table is based ... **Rocks with a unixaial compressive strength below 25 Mpa are ...

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Get PriceTable 1. Summary of strength parameters and ... Name of rock : Uniaxial compressive strength (MPa) Strength classification : 1 . AD01 : Porphyritic hornblende-granite .

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Get PriceSTRENGTH OF ROCK. Rock strength can be dependent on many different factors. A scheme devised by M.J. Selby incorporates 7 factors: 1. Strength of intact rock

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Get PriceCommon materials and average ultimate compression and tension strength. ... Trap rock: 20000: 140: 800: 5.5: 1 MPa = 10 6 Pa = 1 N/mm 2 = 145.0 psi ...

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Get Price20 MPa. This low strength range might be influenced by physical characteristics, ... whereas the lowest UCS value is about 1 MPa for the (DW) GW rock. Table 1.

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