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2024-02-01_REVISION - M1973021 (2)
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2024-02-01_REVISION - M1973021 (2)
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Last modified
2/1/2024 12:43:10 PM
Creation date
2/1/2024 11:22:34 AM
Metadata
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Template:
DRMS Permit Index
Permit No
M1973021
IBM Index Class Name
Revision
Doc Date
2/1/2024
Doc Name Note
Adequacy Response 1
Doc Name
Adequacy Review Response
From
Holcim/HDR
To
DRMS
Type & Sequence
TR9
Archive
No
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Geotechnical Stability Exhibit <br /> Engineering Evaluation of Highwall Design for the South Quarry of the Morrison Quarry <br /> <br /> January 2024 | 14 <br />Table 5 – Summary of Recent Point Load Testing <br />Boring Run Depth <br />(ft.) <br />Rock <br />Type <br />Corrected <br />PL Strength <br />Index <br />(psi) <br />Approx. <br />Compressive <br />Strength <br />(psi) <br />Shape <br />Statistical <br />UCS <br />Average <br />(psi) <br />HDR-002 24,25 105.5- <br />115.0 <br />Talc <br />Gneiss <br />148.6 3397 <br />Axial <br />6149.5 <br />624.3 14257 <br />224 5106 <br />173.1 3938 <br />680.5 15615 <br />295.8 6817 <br />Diametral <br />45.4 1054 <br />363.3 8283 <br />282.9 6455 <br />300.5 6839 <br />HDR-004 17- <br />19 <br />61.4- <br />71.4 <br />Grn. <br />Gneiss <br />911.8 20771 <br />Axial <br />9724.33 <br />348.9 7967 <br />177.8 4072 <br />158.1 3650 <br />1197.3 27245 <br />622.8 14154 <br />Diametral <br />90.5 2056 <br />741.3 16847 <br />512.9 11656 <br />131.8 2995 <br /> <br />Direct shear testing was performed on a total of 14 samples in accordance with ASTM D5607. <br />Samples were tested using either natural fracture points or saw cuts, and with normal stresses <br />approximately equivalent to in situ conditions. Refer to Table 6 below for a summary of the test <br />results. <br />
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