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HomeMy WebLinkAboutCT 72-18; UNIT 2; PRELIMINARY SOIL INVESTIGATION; 1972-07-31','> LO G OF BORING - Test Pi t #12 w-;::-~ BORING NO. z Q eo:..c ?; ::J Ol >-Z w eo: ELEVATION l-I-,-0 ~z Vl ., I---,' W <{ 6~ I-<1-al Vl UJi= :r:w :::E :::E ' 9 5 u t-W SAMPLING u.. :::E ~ z >u <1-"-<{:J 'Backhoe W w VlZ lXIu METHOD in 0 0 0 ;::~ 0 --,Vl <{:::E -<{ --' >-:;:" 0--, ~~ eo: u ~8 VlU u.. -o~ Dark Gray Silty Sand -loose, dry I: II : I; ; sm : 1 Soil TvnR 3 I;; , I: I-i! ~ I; Brown Silty medium Sand I' I; I; ';1: al'luvial !, 2-6 ' 1 ~ 1 : 1 : . i;: I: I: I firm !: ~ I-1 : ' 3-: S M: : I' ,:: I: . ~ : 4--I: ': '1'" :' I: I' -I: I: ; : [1 1-• !I' 5 -1·1-. :Ii 1:.1:1; I; Soil I ~: I ~ 1 : I' . Type 1 : I ~ I ; I: 6 .: I- Bottom - - - - - - - -- Date: 18 Jul y 1972 Klug -Carlsbad Tract 72-18 Job No. 72-74 By: C. Parker Car lsbad, Cali fornia Plate No. 13 S()IL <I; M4Ta:~14L TI:STI~G·L413()124T()~~ OF NORTH COUNTY INC. ,. , , .. , LOG OF - Pit #13 w -= ~ BORING NO. Test z Q '0< ..c ~ ::> 0> z wO< ELEVATION 0-.-r ..... w ~z l-V) ., 0-0 t-0.. co « '0 ~ Vi rw ::E::E 0::> I::! I- ,....w SAMPLING z 2~ o..u.. «::> .... 0 ~ ::E >-w w </IZ COv METHOD Backhoe V) gO 0 ,....0.. 0 ..... V) «' ::E -« r:;:: 0 ..... ~~ 0< v 'm 0 v>U u.. -cE: o<V Dark Gray Silty Sand 1 Red Brown Silty Sand 2 weakly cemented 3 Light Green Clayey $and 4 weakly cemented 5 6 very difficult digging Soil T 7 ~----~--~--------------------~----~~~--~~~---;----~--~ Date: 18 Jul 1972 By: C. Parker Bottom white formation seen in exposure to south to extend at least + 25 to elevation of level ground-belo Klug -Carlsbad 'Tract 72-1·8 Job No.' 72-7 Carlsbad, 'California Plate No. 14. S()IL &; 'MATI:I:1IAL TI:STINC3 ·LAI3{)~AT{)~'" Of' NORTH CO!JNTY INC. 1 0, I, ;' SCALE d .. HOR. 0151: TO CENTROID ex. VERT. OIST."O CENTROID h • HEIGHT OF' SLICE .Ia a LEN::aTH CF ARCH c:C • ANC?l..e ASSUME <1>" ANGLE OF INTERNN-FR1CTION(o) . .t::. Il UNIT COHESION (pl!of) 'd 'II UNIT WEIGHT '5OH .. ( pc.f) 'd-,. HEIGHT OF WATER b· WIDTH OF SL.ICE R-RADIUS kiwI UNIT WclGHT WATER ('pc;f) . CALCULATE w-WEIGHT-bh'cf C -COHESI9N 'So..G~ MOMENlS RESISTING = R(~.It) + R(b tan.<\» (hl:l-Y.'dw )icos,cS;j FACTOR OF SAFETY = MOMENIf',s DRlVlNG d (bh b') + ex (.i bh IJ 1 ! d I b __ """l..WATER TABLE --. ----- h SOIL AND MATERIAL TESTING LABORATORY 0,. NORTH OOUNTY~ INO. '1 i I 1 i 1 I I 1 I j .j PLATE.IS . ~ . SLOPE STABIL.ITY WORKSHEE"T J"ANBU ANAl.YSIS: ¢~ 34- C a'2.00fsf 'i :. 109 JOc-f. Ha 35 SI.OPE _. , . ,,~, • 'i H tClO r:b. ~ '2.4 , ' ' i C 'I " J , i ,', ' X~,-~ Y-b7. "'\;; . "SCALE I "&20' i 1 I • 1 , 1 ' " , !,' :. i ,,1 ! , ; , I , . • 1 ' .......... --. -'··---··--·---:-"'''·-·'~··r ·~·1-! ..... j , ' i, , 1 ! \ ; I i ' i ' , , . ' I '" Z • I j.. I i, :': I : ': • • • ; . . • I ' : ;: .. ;. : " ; 1 I I , · !, , I ' " j . I , ! i . 1 I , I ' ! " , I , , ! : 1 , , ~ , ! , ' " SOIL AND MATERIAl .. TESTING LABORATORY ;' G' HD"TH aaUNTV. tHG. 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" -:-"'--'. ~"-~ ~:--r}.:~-.-.~.,'-'-,!c~-"",~J-.,-,-.,'J"" -~,'-, '-'---, -.... "":-.---...--......... -... ~ ... -- (,J , -~ I.' .,. " .. . , ',":.;r'. , ........ • 62 HEAD LOSS FACTORS FOR VALUES OF ~CH . 140":"54 --=~pO .62 _.-. 120.71 110 .B4 100 1.00 901.22 801.51 701.94 602.58 503.62 405.44 WITH SAME HEAD LOSS Q VARIES DIREcTLY WITH··C" a.-.".I' .... 12,000 10,000 8.000 7,000 6,000 5,000 4,000 ~,OOO 2,000 1,500 l,ggg BOO 700 600 500 400 300 200 150 100 90 80 70 60 50 40 30 20 t5 . e. Seventeenth Annual Conference "'" (feo+) . f" 1.85 Q. .1 L-fEET 12,000 I Cl.OOO ~iOOO 7,000 6,000 !I,OOO 4,000 1.0. .8 .6 .5 .4, 3,000 . .3 .2 .15 .10 • 08 .06 "';-04 .·04 .03 .02 CONVERSION FACTORS FOR'PIPES I 24000 6 4.06 18 Il'l 3500 8 1.00 20 2 840 10 0.34 ?I 2Yl 286 12 O. I 422 3 120 14 .066 24 4 29 15 .047 30 5 9.7 16 .034 .36 MULTIPLY LENGTH OF PIPE BY 'ITS . PROPER FACTOR TO OBTAIN THE • EOUIVALENT LENGTH OF 8 IHCH PIPE FOR SAME FRICTION LOSS FICURE 1 .2,000 1,!l00 10000 900 800 700 600 500 400 300 200 150 . !~g 80 '70' 60. llO 40 30 20 15 F.LC;.\' DATA' :Z j tt-= 7.' ...... ::I> I ... • ::E 0:-"'0 c( .0 "'0' <5 . ..,-00 !;i ..J_ i 91r 336 4. 390 160 . 6.880 95 8' 1565 F 102450 !l2 123530 .42 14~~00 35 16. c200 30 I~~ 8000 27 2. 9800 24 .. , . Nomograph for the Rapid Calculation of LOlls of Head in Pipes. The use of this chart enables one to see at a glance after the first . correction where the system is over or under designed and these Jines can be changed before too much work is done on .the problem. When several corrections have brought· the unbalanced .head losses. below 5 or 10 feet, a quick check can be made of the ·losses from the . source' to the farthest point of discharge, following at 1.east 'two pa~hs. Thu~ it may be 'found that the losses are well under the head available . and the system need not be. checked further. This is valuable in cases ! ·t . r f ; i' , . f \ ~ , l ,. t t ~. : .... J ~ . t . • J • ~