. The theory of the flexure and strength of rectangular flat plates applied to reinforced concrete floor slabs . atent already referred to. Since all forces in a plane may be resolved into componentsalong any pair of axes at right angles to each other it is possibleto provide reinforcement to resist any horizontal tensile stressesin the slab by various arrangements of intersecting belts of rods atzones where these stresses occur. The combination of such belts withradial and ring rods to constitute a large and substantial canti-lever mushroom head at the top of each column affords a veryeffecti
. The theory of the flexure and strength of rectangular flat plates applied to reinforced concrete floor slabs . atent already referred to. Since all forces in a plane may be resolved into componentsalong any pair of axes at right angles to each other it is possibleto provide reinforcement to resist any horizontal tensile stressesin the slab by various arrangements of intersecting belts of rods atzones where these stresses occur. The combination of such belts withradial and ring rods to constitute a large and substantial canti-lever mushroom head at the top of each column affords a veryeffectives and economical arrangement for controlling the distributionof the stresses in the slab, and it places the reinforcement whereit is most ncHHled. It not only has the same kind of advantagethat the continuous cantilever beam has ovvr i\\v siinpU^ girdtM-for long spans, l)ut combines with it the kind of su]KMiority tliat thedome has over the sim])le arch by reason of circumferential stressescall(Ml into play, whicli greatly adds to tlu^ carryiup; capacity of th(^slab. 82 REIXFORCEMEXT OF MUSHROOM TEST SLAB. Fig. 12. ReinforcemeDt of ^.lushroom Slab £ ^ ^
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Keywords: ., bookcentury1900, bookdecade1910, bookidtheoryofflex, bookyear1913
