NOTATIONS

         <i class="emphasis">a</i> = depth of equivalent rectangular stress block as defined in <a class="chapterjump"> href="portalcontent.asp?bkid=15249&destid=738#738"> target="_parent">Sec. 4A.2.4. 1</a><i class="emphasis">A</i><sub<i class="emphasis">c</i></sub> = area of core of spirally reinforced compression member measured to outside diameter ofspiral<i class="emphasis">A</i><sub<i class="emphasis">g</i></sub> = gross area of concrete section g<i class="emphasis">A</i><sub<i class="emphasis">s</i></sub> = area of tension steel reinforcementarea of steel per unit width of slab or plate<span class="inlinemediaobject"><img alt="Image from book"> border="0"> height="19"> id="IMG_473"> src="https://images.books24x7.com/bookimages/id_15249/p30001e73g4_30001vpp.png"> title=""> width="19"></span> = area of compression steel reinforcement<i class="emphasis"> A</i><sub<i class="emphasis">st</i></sub> = total area of longitudinal reinforcement<i class="emphasis">b</i> = width of cross section<i class="emphasis">b</i><sub<i class="emphasis">w</i></sub> = web of cross section<i class="emphasis">c</i> = distance from extreme compression fiber to neutral axis<i class="emphasis">d</i> = distance from extreme compression fiber to centroid of tension reinforcement

<i class="emphasis">         d<span class="unicode">?</span></i> = distance from extreme compression fiber to centroid of compression reinforcement<i class="emphasis">         d</i><sub<i class="emphasis">c</i></sub> = thickness of concrete cover measured from extreme tension fiber to center of bar or wire located closest thereto<i class="emphasis">         E</i><sub<i class="emphasis">c</i></sub> = modulus of elasticity of concrete<i class="emphasis">         E</i><sub<i class="emphasis">s</i></sub> = Young s modulus of steel<i class="emphasis">         EI</i> = flexural stiffness of compression member<i class="emphasis">    ...