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SAMPLE CALCULATIONS SECTION 13, NO R.B.B. <br />Demonstrating methodology used to calculate results shown in summary tables. <br />= 2500 psi <br />ωc = 150 pcf <br />= 1125 psi <br />= 55.0 psi <br />= 2549117 psi <br />fy = 40000 psi <br />fsall = 20000 psi <br />Es =2.9E+07 psi <br />γs =0 pcf <br />γw =0 pcf <br />n = Es/Ec = 11.38 <br />b = 12 in <br />cover = 2 in <br />′cf <br />′all cfc = 0.45f <br />υ ′c c = 1.1 f <br />′c cE = 57000 f <br />γ 3 <br />SOIL 2 <br />1OTM = 6 s H <br />γ 2 <br />T SOIL 2 <br />1V = V = 2 s H <br />H = 8.5 ft <br />Try wall thickness t = 9.0 in <br />at a depth of H2 =6.5 ft <br />Try vertical steel = #3 @ 4" <br />Ds =0.375 in <br />As =0.331 in2 <br />d1 = t - d2 =1.50 in <br />d2 = cover + (Ds/2)7.50 in <br />= 0 ft-lb Overturning moment due to earth pressure <br />= 0 lb Shear due to earth pressure <br />′cf <br />′all cfc = 0.45f <br />υ ′c c = 1.1 f <br />′c cE = 57000 f <br />γ 3 <br />SOIL 2 <br />1OTM = 6 s H <br />γ 2 <br />T SOIL 2 <br />1V = V = 2 s H <br />W:\Details\Release\Calcs 2019\660 [19v1].pdf 07/28/2020 03:38:34 PM © Pool Engineering, Inc. 2020, Page 6 of 18