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Lecture11 - Lecture 11 Shear force and bending moment...

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Lecture’11:’Shear’force’and’bending’moment’diagram’ (Ch.’11:1,’11:2,’web’D)’ Rela?onship’between’loads,’shear’force’and’bending’ couples;’shear-force’diagrams’and’bending-moment’ diagrams’ 1’ Beams :’one’of’the’most’important’ structural’element,’support’loading’that’are’ applied’perpendicular’to’the’longitudinal’ axis’ Shear’and’moment’diagrams :’allow’us’ to’see’the’varia?on’of’shear’and’moment’ along’the’axis’of’a’beam.’
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2’ Nega?ve’external’distributed’load**’ **’This’is’opposite’from’the’textbook’ x’ y’ z’ This’is’for’the’textbook±s’coordinate’ system,’the’moment’is’about’z-axis’ and’the’shear’force’is’in’the’y-direc?on’
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3’ V y (z)= dM x (z) dz p y (z)= - dV y ( z ) dz x’ y’ z’ x’ y’ z’ Alterna?ve’coordinate’
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Lecture11 - Lecture 11 Shear force and bending moment...

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