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<br />REINFORCED CONCRETE <br /> <br />. <br />~ <br />. <br />~ <br />~ <br />3 <br />. s <br />'. <br />;:: <br />jl <br />'0 <br />~ <br />~ <br />. <br />" <br />0 <br /> <br /> <br />99 <br /> <br />__,- <br /> <br />- <br /> <br />100 <br /> <br />150 <br /> <br />\lorking load (yw) (or Equivalent Fluid Weight) (pen <br /> <br />200 <br /> <br />250 <br /> <br />300 <br /> <br />SO <br /> <br />S t rl:ng th Oe~ i 9n <br /> <br />n~2.. <br /> <br />. 9 <br />;,4 <br />(over 1/2' <br />'I,vertlcal bars <br />........ f~ ~ 2500'psl <br />'f~ ~ concrete <br />~ompres- <br />,ive Hrcn<)th <br />Bar SPilC i ng ~ I Z" <br />___ t ~ wall <br />thIckness <br />ASSUMPTIONS <br /> <br /> <br />" <br /> <br />Oouble <br />spacln9 <br />;lllowed for #6 <br />bars (ll8" max.) <br /> <br />StGN <br /> <br /> <br />......tfH. <br />........... t ~ 10" <br />--~ - <~"" <br /> <br />---. <br />-- - <br /> <br />Figure 11.10 Ultimate strength design for -10'" reinfOl'ced concrete walls. (Reference 26). <br /> <br />. <br />~ <br />~ , <br />~ <br />~ <br />~ <br />" <br />~ <br />. <br />;:: <br />'0 <br />~ <br />'0 4 <br />.:' <br />~ <br />. <br />" <br /> <br />PLAIN MASONRY BLOCK <br />(Unreinforced) - <br /> <br />\Jorklng Stress Oesign <br />fmt .. allOl<able suess in <br />tensio.... in m.>sonry <br />_ wall tnicklle,s <br /> <br /> <br />'j,,,'!;;;;:"~1 <br /> <br />PH <br /> <br />~lilQ1L <br />H <br />t <br />frrot <br />fn,t <br />PI' <br /> <br />ASSUMP~ <br />" 8'-0" <br />8" <br />z4 ps; (nO grout) <br />III p" (sol id grout) <br />Iw>l <I (psn <br /> <br />o 50 100 150 200 lSO 300 <br />WorkIng Load (yw) (or' Equivalent Fluid ....eight) (pd) <br /> <br />Figure 11.11 Working stress design for 8" unreinforeecl masonry block walls. (Refer<mce 26). <br />