0K�W�9����H��l�m�g�F�����/Z]��`^_緷��`�m*y�!������ 31��%�+�����f��0�RlfX�z�8�n��A��%��N���u��NtH��&�`+���;�"����8�p�p��ʾ�^�)3 ۙ� �p�d�q���šdN�����9� ������Wހ�>����&x���⊞�f��������5�0��qg�~PD� 6V��c^��b[��fwt��X7s�Ћh;z�юF��,��EkGM;�g����$��g&�����k}�O #jDzP6����3� Anderson’s Theory of Faulting Anderson, a structural geologist in the 1950’s, figured out that there is a relationship between the orientations of the principal stress directions near the surface of the Earth and the type of faulting we observe. While recognizing that as a difficult, and perhaps fruitless, task, he nonetheless examines possibilities and proposes his own theory which he admits is not complete. Thrust faults dip 30°, vertical min. Anderson's theory of faulting. ���UxK��,T⶚oHH 49Toward a Theory of Online Learning Figure 2 -24.A model of online learning showing types of interaction. Quantifying Anderson's fault types Robert W. Simpson U.S. Geological Survey, Memo Park, California Abstract. `/w�,�,h��"i�F`"=�9�ƶ�5]�ָ�,�tJ�u��} m@DI��@���IH������B&Wg��%S@��"fb��x��#-�#g�+C�%�ۏ�˵Gg�Aba� It has been known for long that faults arrange themselves naturally into different classes, which have originated under different conditions of pressure in the rock mass. Normal faults dip 60°, vertical max. This classic text offers you the key to understanding short circuits, open conductors and other problems relating to electric power systems that are subject to unbalanced conditions. [The only trivial exception to this is when the wind blows hard.] Terry Anderson This second edition of the Theory and Practice of Online Learning is an updated version of the highly successful 2004 first edition. Anderson's theorem also has an interesting application to probability theory. �6�ʋ�o�q��dk�������1������J�����z�ߎ�J5#�Dq5� �\�״͊�}mt� ���H� Anderson's theory of faulting (1951) explain the relationship between principal stress axes and fault plane. If the parameters are 1.9).4 This being the case, if one wished to predict stress differences in-situ with Eq. Which brings us to the Adaptive Control of Thought, or ACT-R. E M Anderson (1951) divided all faults into three principal types depending upon whether the maximum principal compressive stress,s 1 intermediate principal compressive stress s2 or least principal compressive stress s3 was in the earth's gravitational field. m����{p�������k�U��ytگq�u��4Mi�8�AW�z�g��e��)����y��������0n��I,�I]w��� q�PN���Fzɗ��@b�����������8����� b��P˕n=� z�����bu����c�^���l�e�E҆�x�DK. ؝��v�|ױ�H,������PDQ�%ýA���t��.Cv����R������?���}Wz4�5�1��,��F��挄{�F��=�H_�I�G?�Q��N�[�e��:s�e���;���u�\;�����(��A�y8QF��a�Q=��h �&�>K�y��J���ݕ�l��=ν;�Aޔ_��ς��N�Տ�B�S��ٮ~��)�'чюQ�7�9j���i�q��JԿSmo���cm�R�6,)J�k}�~�ﳮ�)��j8d3fǴt/_/�,�95B� H���>�p^�}����~Xڄ����W�]PhW�Ahm�D�΍�N��e�5.c���`W��;s�n��Ȱ�����9���D}:�����\ɥ@�-% ���f x + 206, with 39 Text-figs. ?rier, 1995], thereby offering a way to distinguish fault-type domains on … Start studying Anderson's Theory of Faulting. a-c) Three types of crack models discussed in the text: (a) elastic model; (b) Dugdale model; (c) small-scale yielding model. ^�� �W��9�&DR9A@�X�h@H�47�30� N�>r,Zx� �3@�q� ���Bc�?����*r��.T����㯆?ߘ�^A,�M��K7� �@�z|���:�С�i�‰>��rnw*H���1Ηf�!���T��|�J6���ʺ��>�>t*�x&��ml�~�v��ը�����ḅE11e�/$�'S��n ]Y��܉� X���A��)�'���NJ��A�%9[�W43f���S�hޔ�k���i� ^e�[�8�"ǯ�j���E����R.�w�{~t�E2¦���Bͦ�:08*��i[�"�-GJ+�����/FtU%-)���S`)%�*<4K�}�fS̙7�bƮ�ӸM�F˿�? Surface of the earth is not confined, and not acted on by shear stresses. xi + 473, with 336 figs. According to the plasticity the- It can be shown mathematically that any system of forces, … All faults have a common function, to extend the crust in … |�T�?��؈�ѐ�(;KVC���Nm!�H��X"�O�(}H�Z�az����x[�b������M�OsK����VV�c 4� � It is hoped that the model and discussion in this and other chapters in this book lead us toward a theory of online learning.Figure 2-1. ���i��'k��zV�i\z��?ٲ#��HC���� �A[���%�zs��� ��@c�FN�����0ew���,q3�D�-���� �^:�-z�QT. Np�P/b:.t�:G�T�V� ��3g,�M��@�_�I�c ͕�ky� �ȃ� ���Y��~!+?��s/m/�S��l.�� �g��Ќ��b�3xa�,�eL���H�J{� �z�y� Figure 2 - 3 .23Educational interactions. By E. M. Anderson. 2) To outline some obvious exceptions to Anderson’s theory and some possible explanations for how these exceptions work. Anderson's theory of faulting In 1951, Anderson recognized that since the principal stress directions are directions of zero shear stress, we can place faults in the context of principal stress. 21.2 Anderson’s Theory of Faulting Around the turn of the century, Anderson realized the significance of Coulomb failure, and further realized that, because the earth’s surface is a “free surface” there is essentially no shear stress parallel to the surface of the Earth. �����Y� �[��l;����z������PU8�J���4|i(��h�H7C�/I���E�TA�q? Pp. W. Bucher (1920, 1921) seems to have independently reached 2) To outline some obvious exceptions to Anderson’s theory and some possible explanations for how these exceptions work. 3. 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