RUPTURING- DEAL MODES OF RUPTURE PROPAGATION A Mode I opening B: Mode li sliding C: Mode ll tearing Rupture Modes: A Mode l: Extension, B Mode I: In-plane shear normal to tip line, Mode I: In-plane shear parallel to tip line(Almost all natural fractures are mixed mode’)
Rupture Modes: A. Mode I: Extension, B. Mode II: In-plane shear normal to tip line, Mode III: In-plane shear parallel to tip line. (Almost all natural fractures are ‘mixed mode’.) A. Mode I opening B: Mode II sliding C: Mode III tearing RUPTURING – IDEAL MODES OF RUPTURE PROPAGATION
a Fold axis Relationship of joint sets to a major fold alongitudinal joints, b. diagonaljoints c transverse joints, d sheet joints
Relationship of joint sets to a major fold a.longitudinal joints, b.diagonal joints, c.transverse joints, d.sheet joints Fold axis d