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1~8-14-2883 a5~S4RM FROM FERRN ENGINEERING SERVICE TO <br />tyi'oject b~ <br />' 1~ <br />frT <br />,i <br />Calculo <br />Abel, 7 <br />)Dint ~ <br />' i Amerii <br />1, <br />= arei <br />=bei <br />p=a11 <br />=malt i <br />24751(44 P.02 <br />By CFA <br />Sheet 1 <br />~ are nest <br />Reined <br />~. terete <br />I <br />y, ACI3' <br />:.I&CtG., <br />mncrie6e c <br />tc balance <br />mi = gartnquaxe to <br />m =leai;thquake sti <br />= coriCrete tensHe <br />=concrete shear <br />=factor o~ safety <br />' butlcbiead! (beam) <br />bulkhrrad shear. <br />momle/it o~'inertia <br />= beatti bending n <br />ll4 u = j'alx'oi>rii beam <br />' I~+! a - ntimitia~ beam <br />It•F „c = ea>~hgtiake be <br />p~, = r>~io! <br />i <br />S ~ set. <br />i T=tensile <br />'W'i= fact©rp <br />' T~Fi_ = Partli <br />'vk <br />1 <br />i <br />on: <br />ul design foi• acid ii*te,dramage: 1998, L Prot VJesbetn iJ.S. Mining-hopactgd <br />lion and Ecological' Risk Assesmeat Taehntlogies, Denver, GO, 36 p ; . <br />titutC, 1!995; BuRdiu$ code tequitrmptts for structural'con~ro~~ (J4CI 3~8.93~' ! <br />R 95:369 p. <br />ilmou, 19$5, Rei~'oiced concrete design, 4th ed Harper & Rowe'i publishers <br />Inmuts: ~ ! <br />npession zone Beath width,. b a, := 1 8 j ~ <br />bartei~ioa Bulkhead depth below surface, B!d :='T~ <br />Maximum forme) height, h i= 8 ~, ft ~ `. <br />'~ <br />Maximum tunnel width, 1:= to ! ft ' ~ <br />I <br />)own pressure (psi) Design water bead H := 218 ! ft ~ ' i <br />s1yp fiber'to rebar Concrete compressive slrengtY~t ~ 3P~~ <br />~~ ~~ nb) . Inbye line of sight water diatatice~ ~ ~ <br />c fluid'.load (lb) Overburden rock density, Y; r := 159:4 ~' ~ <br />length C3(f r)l~ Concrete density, Y ~ := 150 <br />~ength ~2(f ~l'~ <br />j <br />Wa~sheds <br />~! ~: ~ <br />i' ~. <br />~~ ' j <br />~.. <br />',~ <br />iP . <br />,; <br />', <br />p ~' <br />'per: ~: <br />O ~I ~ I. <br />~~~ ' ~ . <br />j 'I, <br />Pct <br />Water density, Y H, .= 62;4 pct ' <br />~kness ($) Minimum concrete rebar cover,m~t ~ ~ <br />( ~ ~ !t <br />kues~ ft) Reber yield strength, fy :_ ~ psi ~ ~ <br />~ ~ ii I:: <br />Allowable pressure gradient' with e ~p <br />' ~'=41r~ <br />.grouting ofbulkhead/rockconta~,i pies' <br />eat (ft-16) ! ~~ <br />i <br />iding, moment (ft-ib) Gravity acceleration, $ := 32.2 ~ . i ' ;! <br />ding moment (ft-lb) <br />bending'moment (ft-1b) <br />ressare head (pst~ <br />ed ~rength pb/ft) <br />qu~retl'strength pb/ft) <br />stiengEh pb~t) <br />', <br />I <br />Maximum credible earthqua9re aCtelergdoa ~ 0.094~g <br />Bulkhead trial thickness, L t ;= 9: $ , <br />Strength reduction factory !~ ! <br />Rebttr flexors'( tensile strength, ~ ~ ~. !: <br />i !~ ~i <br />Rcliar reinforood concrete sheara ~; m ._ ~(~i85~ I <br />!( <br />Plain concrete flexure Strength, ~ ` '- 0'65 ~ ~ <br />>?e`-. <br />Reinforced concrete flexural strengtk,b. rc := Q.85 <br />i. <br />. , ~kdkmela,v19D36]]AN <br />~~, <br />