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of /home/abouaayt/public_html/aboutcivil/answers/qa-plugin/user-management/layer.php why we are giving trapezoidal footing - Civil Engineering Technical Questions Answers - Ask a Civil Engineer
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why we are giving trapezoidal footing
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the stresses from columns are transfered to footing in 45-60 degree angle so stress pattern resembles a trapezoid shape and the excess concrete which will be used in rectangular footing will be useless. it is therefore economical to use trapezoid shape.
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