Layout an equivalent bolting pattern for the crown portion of the tunnel in Problem 10 using 2.5
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Layout an equivalent bolting pattern for the crown portion of the tunnel in Problem 10 using 2.5 cm diameter rebar tensioned to 410 MPa. Specify bolt spacing and length.
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Given Problem 10 data use 25 cm bolts 410 MPa Find Bolt length spacing for Problem 10 equ...View the full answer
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