div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: · PDF fileUse M15 and Fe 415 materials Concrete grade M20 and Check the shear stress Use M15 and Fe 415 materials a src=https:reader034fdocumentsnetreader034viewer20220524065aa002737f8b9a6c178d86a1html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divpwwwedutalksorgpdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: · PDF fileUse M15 and Fe 415 materials Concrete grade M20 and Check the shear stress Use M15 and Fe 415 materials a src=https:reader034fdocumentsnetreader034viewer20220524065aa002737f8b9a6c178d86a1html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divpwwwedutalksorgpdiv