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Sonic Addition-LR 940627 LLeado3 Ul-eA~C 2~U¢$ :~ 'ONI '~tlI:I/SrlONI SYXB.L ~L./qt lsd OSS~ S3.,- edo%~ pgqsn~3 t~ -,~ ££ 3 N15¥ 'sq' gtBI 'O'$'S IV a~¥k 3I~R3 ~ ~3d S~IIIiNVRb %9 -%9:092-3 o ~o v ed~i ':~6~-3 NI$~ ejn3x~mpv $~39~ OS'~ :PJ~A 3~qn3 ~ed ~uesuo3 qL/qL 0£9' H$/te~ II'~ :o~%e~ auo%$ peq~n~3 ~# -,,I ~ 3.N!SV :ez~$ e~e6a~5~V ~s~o3 mn~×~W NOII~aNROJ ~ '$~9VM~OIS 'gN!AYd MiX # 8272 5.00SK ADM~×/AEA I"CS 3500 PSI @ 28 Days PAVING, $~DEWALKS, & FOUNDAT!0N Faximum Coarse Aggregate Size; ASTM C 33 1"- #¢ Crushed Stone Maximum Water/Cement Ratio: 6.40 gal/st .567 !b/lb Minimum Cement Content per Cubic Yard; 5.00 sack~ ~&ximum Placement Slump: S.O inches A~mixture ASTM C-494:. Type A or D Air Entraining Agent'ASTM C-260: 4%- 6% MATERIAL QUANT:TIES PER i CUBIC YARD AT S.S.D. 470 lbs, or 5,0C sacks ASTM C 150 Ty~e I Cement ~8~0 lbs. ASTM C 33 1"- #4 Crushed Stone i352 lbS. ASTM C 33 Concrete Sand 267 lbs. or 32.0 gallons of Water 2.0 ~c 4.0 oz/cwt of ASTM C-4g& Type D SpecifieO Air Content: 4% - 6% placement Slum~: 4.0 + or - 1 inches MIX ~ 02~7 - 5.505K ADMIX i"CS ~0~2 PSI @ 28 Days BUILDING FLOOR StAB Ma~imu~ Coarse A~gregate Size: ASTM C 33 Z''- #~ 2rushed Stcne Maximum Water/Cement Ratio~ 6.0C gal/s~ .S3Z '~/~b Nini~j? Cereni Content per Cubic Y~r~: 5.50 sac~s Maximum ~i~cemen~ Slump: 5.0 qnches AUrixture AST~ C-&94: Type A or D ~A'ERi~L QUANTITIES DER i CUBIC YAR3 AT S.S.D. 5~? !640 ,+u_ -u~ ASTM ~ 33 Con~rete Sac~ ~75 :bs. e~ 33.0 gallons o¢ Wate~ tJ ; ~:aceqent PUMP!KG RECOMMENDATIONS i, 5" minimum diameter lines wich no reduct"oF to smaller lines. 2. Keep rubbe~ hose to absoljte mini~Jm ierGin amd 21an Di~e with ~s few go degree angles as possible. 3. Slumps and test cylinders sPoulO ~e taken ~ d"scnarge end of hose for strength guarantee to be valid. 4. To 2rime pump liras, a minimum cF 8.0 sack g~out should be used ¢o~ lubrication, in t~e case of strength concrete, eouivalent strengtq grout should be used if tPe grout remains in the placement. ~n~:nt pumped a~ Pump ~ixe$ are based Oq mqnimum Cement ~ +~ ground ~evel. AS pump iiqe increases ~r length or helgrt and/ct layout configurat~o~ changes, adUitlor~l cement may be requ~reO to assure strength a-O p~pabilicy at ad~it~ona~ cost to t~e contractor. ,<e ~.re e~qclosqng a~! av~ilable back up data for ire above reference: mix ~esig~, '-~ the ~l'~mmm!')- information iS not ~.v~"lab'e or is rot $,j~-'~'ent,., . ccnfo~maticn, cy'"nders may Pave t~ be m:~de by y^u~ , ~esting ! aDoratory. TEXAS INDbSTRIESo ~ON~RE,, 3ESIGN EVALUATION X~x N~. E~Z71 StrenGth 3~0¢ ~si @ 28 Days ? ~' D)~Pt -~mper~turm Placemert Pe~Cert ~ .......... 28 C~ ....... CJm Mcving NO. Dat~ ,,~"m ~' CO~ Sl~m~ ~'~' Air PS~ ' ~Si E FSi ~v§ AyS Avg of 3 ~ 09t2g/~3 !8 6) 80 4.7 4,' 3380 2553 3465 3465 346S ~70 ~ 09/30/g3 31 68 82 ~.~ N/A 42~0 4330 ~15~ 3811 3810 250 ~ 09/30/93 31 72 ~' ~ 0 N'A 3680 ..... -~ 363~ 3655 3758 3758 SC ~ ,v,~_/g3 18 71 7g 4.v 4.~ 3561 3530 35~5 3735 3785 31 : lOl01/g3 18 57 79 ~ O 4.2 3660 3513 3585 3681 3595 150 B iC/01,'93 18 58 7g ~.~ 3.g 3640 3~31 3635 3673 3588 11 7 10/07/93 LB 57 79 4.7 3.8 3700 368C 3590 3675 3637 ~ '~/~?.,a'~.~.., ~.,~'~ 59 80 ~.. ~ c.i .,,~6~ 3741 3750 3685 ..~q~z 20 ~[~C~ ]C ~' 8~ 5 ' 4.3 ;4KC 3371 3411 3554 3~7 10 i~/C7/g~ ~ ~ ~'~ 5,0 4.1 ........ 34iC 3410 34~v 3530 3523 i! 10/!2/~3 IB 6J 72 5.2 4.2 3750 3810 3785 3644 ~535 5C i~ .u~./g. ~ 5~ 71 5.C ~/A 3Sg0 396C 3975 3672 3723 30 '~ lO/iZ/g3 18 72 -_ ~ 62 ~ 5 312 Zli2 4131 4120 3725 3960 20 ~ -~Y2~y~J '8 ~/A 68 ~,5 4.~ 2~5C 3C2~ 3435 3687 ~$~3 15 iD/22/93 i~ t/A 6~ 5.5 5 I ~3C 3ci0 3320 3662 3625 ..... ~ 58 : ~ 5.1 ~4v 3C42 ]g~O 3627 3282 100 ~7 !0/2~/g3 12 82 ~6 K.2 N/A 2921 3493 3210 3602 3~27 550 !8 !~/25/93 12 S2 85 5.C N/A 3713 376C 3735 3509 3345 ~0 19 10129/03 i~ ~: 7~ ~ n ~ S 3570 q~3C 370j ~'4 ................ 3548 263 2S .d/2~/~J 12 43 58 4.5 5.3 3950 4103 4125 3635 3820 _21 i~!2g/~3 -~'* 53 .~ A..~K 5.:. ~.bu"-" 4~v'~'~ c135 3657 3943 22 i~/~9.t~3 12 55 73 5.2 E C 42~ 4390 4310 3687 4147 160 23 13/29/g3 !2 ~ 7! ~ ~ ' ' - ~ .... -.~ 405~ ~002 4G25 3702 4!47 50 ~C ;C/29/92 lA ~,?~ 67 5 ~ ~.8 3472 3~52 '"'~ 3691 -' '' .- - J*~- 3932 20 25 i!/0E/93 18 N,/~ 66 7.2 N/~ 3412 3~33 342S 3681 3535 20 ~ 11/08/93 18 ~5 59 4.; ~.~ 347C 33E3 3415 3670 3432 ii0 27 i!/~8/93 ~ "~ 57 5.0 .... _. ,~ ~.? 34~3 q;~n 3370 J~3~ 3402 80 28 ~1/18/g3 18 ~../A 61 5.~ c.C 3850 380C 3825 3665 3837 50 ~3 '!/68/93 18 *,.* cc ~ ~ 4.8 3580 3686 3538 3664 3608 lOC 30 li..~/~ ~8 ~./A 57 5.5 4.7 3350 3410 3385 2555 3613 50 COMMENTARY OF STATISTICAL EVALUATION 0~ CONCRETE DESIGN _~.~_~ Mix No. E8271 Strength 3000 ps~ @ 28 Days Paragraph 5.~ of ACI 318-89 prcv-':des that as data becomes available during construction, the amount Dy which (f'cr) must exceed the specified value oF ,, .may De reouce~, proviOed: (a) 30 or more test results are available and average o~ test ~esults exceeds that require~ by Section 5.3.2.1, usin~ a standarO deviation calculated in ~ccorUance w~th Section 5.3.i.1, or ~:D) ~5 to 29 test results are available and average of test resdlts exceeds that required by Section 5,3.2.i, using a stanUa.~d Oevlation calculated in ~ccordance witi~ Section 5.3.1.2. The required average compressive strength ~as been calcblaCed usin~ a ~* ~-~ at'on calculate~ in accordance w~th _.an.~.d day~ ACI 318-89 Section 5.3.1.~ cr Section 5.3.i.2 ~nd is the larger value o~ t~ese calculations f' ~ f= * ~.34(SD) - 3000 - !.34(00305) = 3409 - f' + 2.33(SD) - 530 = 3000 v 2.33(003C5) - 500 ~ 3211 SdMMARY 0~ STATISTICAL ANALYSIS 28 DaY Test Data NumDer OF Tests .......................... 30 Maximum Value ............................ ~310 p~" Minimum Value ............................ 30gc os~ Range .................................... 1220 psi Average Strength ......................... 3655 ps~ Standaro Deviation ....................... 305 2si ReQ~ire~ Average Strength to satisfy m~n~m orcbability cona~tions of AC! 318-89 Section 5.3.2.1 ............... 340g psi Desig~ excess beyond cade requiremerts.. 246 ps~ TEXAS INDUSTRIES, [4£. CCkCRE~E OES[SN EVAlUATiON ~8 Day T~st Da~a T_.. P a.~t ~emp~_ratura ~iacamert =a,cePt ~$ Cay Cum Mov-nc ~ , ~ .. 5~7~ ' ZO/ZTF93 45 N/A 7q ~ P N/A 5240 ~ ~: 5305 530~ ~305 130 2 ~D/28/9~ 45 N/A 7Z 4.7 N/A 5590 5)22 5455 5~8S 5380 270 4 ZZiC~Ig3 L2 63 68 5.5 NiA 5[10 '~ -- = ~t~.~ ~ .... wA ~4AV 4516 4475 ~!30 491~ 70 5 .... .~ ~o,~'~_ 4~. ...:t ,A 59 4.5 N/A 5172 ~280 5225 51~1 4g~:_~ 7 .!/l~/=l__ ~,. .... ~ N/~ -.07 5 O N/A 4550 .~_..~.r, 4580 50~8 4793 260 2 ll/C~/~ 46 N/A ~8 5.2 N/A ~750 c870 c8ZC 5027 4~05 120 :. ~_9~9J ~6 :,,-~'~*,.~ 5.~ k/A 5776 57C 5720 5Z3c 5C70 ~ "~'~/~ 4~ '" 68 ,.,.= ~ N/. ~ 5878 6ZS; 5985 ~192 5505 233 22 :1/~9/~ L8 ~6 55 ~.2 N/A ~4~0 4670 4EB3 51~'~ 5485 ....... ,,¢¢. 60 5.D N/~ 5386 $~55 52'. .... .- ~'/23193 ~5 ·" ¢~ 5 ? N/A 5~!C 5070 5043 5~9~ 49~2 6Q .... .~,, ~, . . 61 5.~ N/A 4790 4855 '~ ...... ~ 45 5~ .... 5245 ~ 49B0 170 '- ~-z~,'o: 46 '" :~ 5 2 ,,,~'~ 5020 4Bg~ 5005 :'=~ ~S68 30 ~8 ., /~'c~ *~ N/A 72 5.0 N/~ 53~0 5530 5443 91~4 5163 -' 4~ 5223 ....... t6 N/~ q C ~,'~ *~ 5270 5i58 5172 --~ c~.~ ~F'35 5:2,~ 4B~8 290 '" ?~ 'c~ ~5 %/A 60 5.2 N/A 5022 5303 5150 5; ;= 4875 .~3 _:/u~/' vi' ~ '"'~ '"' 4~- ..,~. ,A. 54 5 .5 ).J/A ~762, 4553 :~.u 5C32 ~ ~2~-:/~ 4~ N/A ~ ~ r N/~ 5442 5213 5325 511g 5062 233 ZE 12/15/~3 46 %'; 57 5 .C N/A 5270 545,3 5363 5:_2~ ~t32 25 ..... r. ,~.. t2 N/A 55 5 S N/A 5000 ~51.: 5~5: ~t:~4 ~313 516 27 ........ · :; . k/.q 5582 :~'3 5595 ~S: 5433 ;~. ~-, ........... =~ = = N/A 4~60 5240 513.3 ~149 : ' ~ 282 .,~'~ 02/28/94 ~l ~,/'~ 54 5.2 fii'A ~54~ ~630, 55E~ ~254 5427 .?C 31/3L/'9~ 42 %.,'A 56 5-~ NiA 54~2 5570 5~20 5175 540,2 130 COMNENTARY OF STATISTICAL EVALjATION 0F CONCRETE DESIGN..~LT___S Mix No. GO040 Strength 3500 PS4 ~ 28 Oay~ ~' .a~: becomes available during Daragra? 5.5 o-" .,v~ 318-89 provides that ~s ¢ ~ ' construction, the amount by which (f' ) mist exceed the specified value of cr (f'.) may oe red.~ced~, ~-ovioed: (~) 30 or more ;est results are available and average of test results exceeds that requireU by Section 5.3.2.'.,, u~"',qg a standar~ deviation calculate~ in accordance with Section 5.3.l.!, or (s) ~5 tc 29 test results are available and avera~ of test results exceeds that requi~ed by Sectiop 5.3.2 ', using a Standa~.: deviation calculated ir ~ccordance with Sectio~ 5.3.1.2. The required averag~ compressive strength nas been calculatec using a s%ancard deviation calculated iq accordance with ACI 3Z8-89 Section 5.3,1.~. or Section 5.3,~.2 ant "s the 'arger value 06 t?,ese calculations ¢' = f' + 1.34(SD) = 3500 + 1.34(00402) -- 4.039 f' - f' + 2,33(SD) 503 ~ 3500 * 2.33(00402) 50~ - 3937 SUMMARY OF STATISTICAL ANALYSIS 28 ]ay Test Data Num~e- of Tests .......................... ~aximu¢ Value ............................ 5gB5 3~i ~nimum Val~e ............................ 4~40 Range .................................... 17¢5 Average Strength ......................... ~176 ~i StanCaro Deviation ....................... 402 Required Average Strength to satisfy m~ni~m p-obaDii~cy conditions ~¢ ACi 318-89 Section 5,3.2,! ............... 403~ psi n:~n excess ~eyu,d co requ rements !37 i TEXAS IN~US?R[ES. [NC, CONCRETE CE$:GN EVA.UATION D~:e: 36i27!9~ *' Stat~s%ics ComDil~o =~on :~depe~f~n: L~r~t?y Test S~eci~en$ *~ ~agg: 1 Mix ~0. G8272 St-er~th 3520 psi ~ 28 Day~ Test m'art T~m~e~ture P laCe~.ert Pe-Ceqt ....... 28 Day ....... C~- Movin9 NC. Oa~e Nc ~mb Cot Si~'P ~ ~i~ PS: i ~SI 2 PSi Av~ Av~ Av~ ~ 3 2 i~/22/93 46 ~,'~ 53 5,7 5.2 4D70 4~80 4~Z5 4355 4355 1i2 3 ; ~/2~/'93 46 N/A 53 5.5 5.~ 4373 4420 4395 ~368 ~3~8 50 4 1i/2~/93 45 N/.c 63 ~.5 5.0 467C 4580 4625 443~ 4382 ~ ~,/ ..... N/A 65 ~ 5 ~.S 492C 4830 4875 4~ZZ 4632 6 i~/23/G3 46 N/~ 72 5.2 ~.4 446C 4340 4400 45G~ 463] 7 !Z/'}C/9~ 46 N/A 52 ~ : 4.~ 3650 3882 3765 4396 ~3~7 23C ~ ,'~ -.' ~.~ ~3~D 24~ 4285 4382 4153 95 : Z2/C~/93 ~5 t'/A 66 5.~ 4.E 4!60 3923 c340 4344 423~ 2~C 10 Z2/C8/93 3L 54 5~ 5. ~ 5.~ 5230 539C 53i0 ~4~1 45~5 ~! 12/08/93 31 57 57 5.5 4.8 4530 4552 4590 4454 4~47 120 ........ i~ 3i ~ 55 5.2 4 ~ ~470 .... ~ 4580 4465 482~ ~20 L~ ~2/08,/~] 21 ~9 63 5.7 4.6 ~370 439G 4380 4~5~ 4517 ~C '".- i~iSm/Oim · - .....q' 62 64 5,0 ~ .-~ ~88C: 4920 48~0 448~ 46~7 20 ~5 12/09/~3 ~' 65 6C 5.2 4.5 ~20 ~5~0 5535 4559 4935 16 ~/~C/g3 .... Z2 63 ?~ 5.~ N/A ~]3g 4210 4270 .':.4_' 48~8 120 '' 12/1C/9.3 18 N/A 73 4.C 3742 -' 5.3 3510 3625 4487 4477 230 19 ~E/17/93 ~2 fi2 65 ~.2 N./A ~16C 4~30 4145 4426 3812 3C ......~q 12/ZC'/93 '~ N/A 63 2 7 >~/~ ~86C :~',~0 4~35 --~_'4-' 4249 --P' -~.'~/:'7/¢~..- -- _c'" 58 ~ -:.0 N/~ 3800 3760 3780 4~19 4257 ~ ')/~t~ ,~. 56 64 5.2 Wz ~103 ~130 &IO3 ~a3~ 23 !2./2~/93 iZ 42 47 5.g N/J. 3820 3B73 3845 436C 3906 5~ 24 Z2/30,'93 12 52 58 3.2 N/~ 56~ 577~ 56~5 4435 4547 i~C 25 C!/!gi~a [Z 57 59 4.5 N/A 40~0 418~ 4135 44~3 4558 26 Ol/!l/9~ 12 65 71 4.7 N/A 4170 4230 ~200 4414 4677 27 01./!2/9~ ~2 63 65 5.C N/~. ~09D 396C 4C25 440D 4120 130 2~ U!. :~,'~ ~ N/A ~5 S.5 4.~ ~322 4140 408D 439~ diC2 i20 ......... ~-~C 4580 4590 4395 4232 ..... -_~, ,- ~ N/~ ~8 6.2 - 3 361C 4~50 40~5 4~84 ~235 CCMMENTAR, .F STATISTICAL EVA~UAT:ON CF CO;,_AETE DESIGN RESULTS Mix No. G8272 Strength 3500 psi @ 28 Days ='ara~rapY ~ 5 o¢ AC-" 3~L0-89 3rovides tY. at as Oata Deccmes available ourir, g coq_~truction the amount by w,qich ;~' ) must exceed the speci¢iea value of ~ '' c_.r ' (f .~ ma)' be reOuced, provided: (a) 30 or more test results are ava'laDle and averm§m of test results exceeds that required by Section 5.3.2.1, using a standard deviet!on calculated in accordance with Section S.3.1.1, or (D) 15 to 29 test results are avaiiaDle and average ef test results exceeds that requlreo by Sect-'.on 5.3.2.~_, using a Standard deviation calcu'a%ed in accordarce with Section 5.3,1.2. The -equired average compressive strength has been calculated using a sta~.dard deviatioq calculated ~n accorcance with AC: 316-89 Sectiop S.3 '.! or Section 5.3.1.2 anc is t,qe 'urger value of these calculations f' - f' + i.34(SD) - 3500 + 1.34(00520) = 41~07 f' ~ f' + Z.33(SD) 500 cr ~ 3500 = 4212 SUMMARY 0~ STATISTICA. ANALYSIS 28 Day Test Data Number of Temts .......................... 30 Maximum Valde ............................ 56g~ p~q Minimum Value ............................ 3625 ~q Range .................................... 2070 psi Average Strength ......................... 4384 psi Standard Deviat~¢n ....................... ~?0 ~si Requ~rec Average Streng~r to satisfy minimum probability conditions of ACZ 318-89 Section 5.3.2.1 ............... 4712 msi ~esig~ excess beyond code recuirements.. !72 ps~ T[XA$ !NDUSTRIE$, [NC. CONC~£T£ OE$!GN EVALuATiDN ~tx N=. K0047 Strength 4650 ps~ ~ 28 Days 28 Djy ~est Data TESt 3]a"t 'empe~a'.;re Placement Percent ....... ~8 Day ....... CJm No. ,.3at~ NO. A~b COn $1u~.p ~f Air PSi 1 ~Si 2 PS[ Avg ArQ Avg ~f 3 ~an~e i :~/25/95 i~ ~7 72 3.7 ~/A 48~0 4950 490C 49C0 ~030 · ~,~,79~ 5i ~8 4 5 N/A 5D~2 ~BSO 4970 493~ ~g35 J .-~. ,9~ 5C ,~ 4.5 N/A 42lC _~4~r: 4295 4722 ~722 ~ ,~/~/gJ ~8 5~ 75 4.7 ~/A 462C 4480 4SS0 4679 4~05 .4~ ~ 1i/C~/93 lB 54 75 4,~ N/A A31C 4390 4350 46~3 ~398 BO 6 1~!34/93 ~e 62 74 5.0 N/A 4220 4300 4260 4S54 ~3~7 BO 7 .~/v~/~3 Z8 63 74 4 7 N/A ..... . 4~=0 4720 4535 c566 4A[5 [70 8 ii/04/~] i8 53 74 ~:.0 N/A ~39g 437C 4380 ~543 4425 o ....Li/Dgl'g3 ~ 58 65 3 ~ b./A 53L0 :48~ 5395 46.,t .... 4833 · ~r i~/~o/~3 ..... 18 N/A 70 6,0 N/A 5CiO 5igO 5'0n_-u 4684 ~958 11 11ii~/93 !8 53 58 4,7 N!A 450C 4670 4630 ~579 504Z 8C i~ 11/ii/93 LB =~, 70 5 .O '~,~'A ~220 ClSO 4i65 4627. ~425 7C [4 il/[!/g~ 18 ~ 70 ~.~ N/A 47C$ 459C 4645 ~626 c443 112 15 'i/i!/~) 18 5! B~ 5,0 N/A 5012 493~ 4970 465! 4600 '6 ii/ii/~3 16 51 69 4 7 ,%/A c~gG 4~3C 471S 4655 4777 i~ ...... _i/.~./"~. 3! ~9. 69 3.7. N/A 5480 5660 5570 47C3 5085 160 i~ il/i7/93 31 57 6! 4.7 N/A 50ge 5133 51!0 ~731 5132 40 19 ~%/~C/9~ iB 46 66 ~.5 N/A 4970 ~OBC 5015 47~6 5232 2~ ll/20/g~ ~8 46 67 4.5 N/A 490C 475~ ~8~3 4750 4g55 ~' :'/~Oic~ "~ ~' 66 '" k/A 4~26 ~gSG 4900 ' '~q ~'' i~ , . 22 i.j__/~z _ 42 6~ 4 7 N/A 5(;23 4980 5000 ~768 2% 1i/20./93 18 41 64 E.O ' 'A 511~ -- ,~/' 517~ 51~C ~785 5013 24 !i/22/03 18 ~0 ~2 4.5 N/A 5312 526C 5285 4805 ~!42 50 25 11/23793 18 N/A 59 4.3 N/'A ..¢~:~ 5490 54~5 48~1. 5293 ~0.. 25 1~/08/93 31 52 60 4.C N/~ 5560 5730 5695 4864 5475 70 27 ~2/30i~3 3[ 43 ~i ~.7 fl/A 5060 4952 50C5 ~66~ 5382 28 01/11/94 ~3 55 65 5.0 N/A 5570 529C 543C 488~ 5377 29 3i/14/94 ~3 56 62 4.0 N/A 4760 ~110 4035 48~' 5i23 350 30 Ci/20/~4 31 42 51 4.5 %'/A 5730 5840 57~5 4~i 5383 COMMENTARY OF STAT. ISTI_CAL EVALUATION OF CONCRETE DESIGN Mix NO. KOOk7 Strength 4GOt psi ~ 28 Days Paragraph 5.5 of ACZ 318-89 Drovides tqat as Oata becomes available during constructio-, the amount by which (f'cr) must excee~ the specified value of (f'~) may be reduced, provided: ~: q0 or more test results are availab'e an~ average of tess results exceeds that required by Section 5.3.2.1. using a stanCard ~evlation calculated in accordance with Section 5..~.'.I, or ,b~ 1o to test results are available and average of te~t results exceeds that required ~y Sectlo~ 5.3.2.1. ~sin9 a st~c~aro oeviation calculateo ~ accordance wqth ~l.2. }Ye reo,irec aJe-a~e compressive strength has DeeF calcji&~ec sta-dayJ dev!ac-:--:n calculated in accorUarce w~th 4.CZ 3i8-89 5.3.'.' e~ Section 5.3,1.2 apo is the large~ val~e o¢ these f' : f' + 1.34(SD~ Cr C = 4000 - 1.34(00~31) = 457~ f' : f' + 2,33(SD) - 500 mr c - 4000 = ~504 SUMMARY OF STATISTZCAL ANALYSIS 28 Day Test Data Number of Tests .......................... 30 Maximum value ............................ 578~ ps M;qimum Value ............................ 4185 Range .................................... 160C p~i Average Strength ......................... ~g21 Standard Oeviation ....................... &31 Required Average Strength to satisfy n~n¢~,m proOabiliCy ccnO~tiocs of AC] 318-89 Sectio~ 5.3.2.~ ............... 4578 m~i Design excess beyond code requirements.. 2~3 ~i