Lec19 - o Want to looks for fracture joints and see hoe...

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# University of California, Berkeley Professor Ken Johnson Civil Engineering 70 Engineering Geology Civil Engineering 70 Lecture 19 11/1/07 Assignment 3 Due 11/8/07 in Class Structural Geology Strike and Dip o Method of measuring the orientation of a planar surface Long line is the Strike and the Short Line is the Dip o Strike Measured from North Strike can be measured by quadrant or 0 to 360 N30W = N330 S30E = N150 Dip angle is the angle from Horizontal (#) What Planar Features Do We Map in Engineering Geology o Fold (Axis/Limb) o Faults o Bedding o Joints/Cracks o Road Cuts Building a Tunnel
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Unformatted text preview: o Want to looks for fracture joints and see hoe they intersect your tunnel Strike and Dip o Measure or record orientation in space Understanding where rocks or structures will be found o Design Tool Fracture density/frequency Orientation/Structure Apparent Dip is not measured perpendicular to the strike Lecture 19 1 of 2 11/1/07 Written By Raymond Leung University of California, Berkeley Professor Ken Johnson Civil Engineering 70 Engineering Geology Lecture 19 2 of 2 11/1/07 Written By Raymond Leung...
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This note was uploaded on 04/02/2008 for the course CE 70 taught by Professor Johnson during the Fall '07 term at University of California, Berkeley.

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Lec19 - o Want to looks for fracture joints and see hoe...

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