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pool 1201 N. Tustin Avenue <br /> engineering Anaheim, CA 92807 <br /> ine. Fax:(714) 630-6114 <br /> Phone: (714) 630-6100 <br /> SWIMMING POOL CALCULATIONS NOTATION <br /> f :specific compressive strength of concrete(psi) <br /> weight of concrete(pct) <br /> fc,tl =0.45f,' : allowable extreme fiber stress in compression for concrete(psi) ACI 318-99 Section A.3.1(a; <br /> u, =1.1 f ; permissible shear stress carried by concrete(ps)ACI 318-99 Section A.3.1(b)1 <br /> E, = 57000 f :modulus of elasticity of concrete(psi) ACI 318-99 Section 8.5.11 <br /> fy =40000 :specified yield strength of reinforcement(psi) <br /> fs,,,=20000 [GRADE 40,50],24000[GRADE 60] :permissible tensile strength in reinf.(psi) ACI 318-99 Section A.3.21 <br /> E,=29000000 :modulus of elasticity of reinforcement(ps) ACI 318-99 Section 8.5.21 <br /> Ys :equivalent fluid pressure of soil(pcf) <br /> In= Es :modular ratio of elasticity <br /> E, <br /> b :width of compression face of member(in) <br /> cover :3 in.minimum for Concrete cast against and permanently exposed to earth. ACI 318-99 Section 7.7.1(a)1 <br /> SEE CALCULATION METHODOLOGY.. <br /> H :tbtal height of pool wall including bond beam(ft) <br /> RBB :distance from top of bond beam to surface of water(ft.) <br /> R : Radius of pool wall curvature(ft) <br /> A :thickness of pool wall at particular height(n) <br /> d=t-cover-(D,I2). :distance from extreme compression fiber to centroid of tension reinforcement(in) <br /> H, ;top depth of particular section(ft) <br /> H2 :bottom depth of particular section(ft) <br /> OTM,c,L = 1y.H, :over-turning moment(ft-lbs) VW, = 2 y,H, :shear(Ibs) <br /> MR :Moment Resisting(ft-Ibs) <br /> OTMW�d :over-turning moment due to additional vertical load(ft-Ibs)-SEE BOUSSINESQ ANALYSIS <br /> Vba, :shear due to additional vertical load(Ibs)-SEE BOUSSINESQ ANALYSIS <br /> MT=OTMSO,u+OTMIo d+MR :Net Moment(ft-Ibs) <br /> VT=Vsoa+V Wd :Net Shear(Ibs) <br /> As :area of nonprestressed tension reinforcement(in2) <br /> D, :Diameter of reinforcement(n) <br /> P= A. :ratio of tension reinforcement <br /> bd <br /> k=VFpnf+2jon—pn 1=1-3 <br /> ft= cid :average stress in the steel (psi) <br /> to= 2Mr •maximum compressive stress at the top of the compressive zone(psi) <br /> V = bd : design shear stress(psi) <br /> PerACI 318-11 Section RIA,The Alternate Design Method of the 1999 Code may be used in place of the applicable <br /> sections of the 2011 code. <br /> W:1DetailsiRe1easelCa1cs 2013NIOONC CBC2013[0.401.pdf 10/09/2013 01:28:50 PM 0 Pool Engineering, Inc.2013, Page 30 of 51 <br />