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<br />18
<br />
<br />TECHNIQUES OF WATER-RESQUR<:ES INVESTIGATI'ONS
<br />
<br />Table 4.-CoeFficients for pipe-arches flowing partlv full-Conlinuttd
<br />
<br />(1)
<br />
<br />(2)
<br />
<br />Ift
<br />
<br />A ""'C.Dt
<br />
<br />R=C.D
<br />
<br />c,
<br />
<br />I
<br />(4) I (5)
<br />
<br />K=Ct~ d..=C..D I Q~-;;q~~,-:;
<br />"
<br />-'--1--- --
<br />c. I c... ! ('q
<br />
<br /> (I) (2) (3) (4) (5)
<br />dlIft A ""CGf)t R=C.D lJOI' d..=C..D Q=CqIJ6/2 dl
<br />K=C,,-
<br />i . ,
<br />,
<br />, C. C, C. C. c. II
<br />
<br />c.
<br />
<br />(3)
<br />
<br />D. Nominal sbe8 11 feet 5 IJtehe8 X 7 feet 3 Inehee aAd 12 feel 10 inches X 8 feet .. hlchell
<br />
<br /> 1
<br /> O. 007 0.014 0,001 0,014 0,004
<br /> ,013 ,021 .002 ,021 ,011
<br /> ,020 ,027 ,003 ,027 .Ol!)
<br /> ,027 ,032 ,004 ,032 ,028
<br />" ,037 ,038 ,006 ,03R ,041
<br /> ,
<br /> ,046 ,044 ,009 ,04a .0;')4
<br /> .057 ,050 ,012 .0.50 .072
<br /> ,068 ,056 ,015 .056 . O~H
<br /> ,079 i ,063 I ,019 ,063 , 1I:l
<br /> ,091 ! ,069 ,023 ,069 ,136
<br />1 , 104 .078 ,028 ,078 I .165
<br /> I ,117 ,085 ,034 ,086 ' ,196
<br /> ,131 ,093 ,040 ,094 ! ,228
<br /> , , 144 ,100 ,046 ,101 ,261
<br />, , 158 ,107 ,053 ' 109 I ,296
<br /> ,173 .115 ,061 , 118 . ;~:J7
<br /> ,188 , 123 ,069 ,127 ,380
<br /> ,203 ,130 ,077 ,136 ,424
<br /> ,218 , 137 ,086 ,144 ,470
<br /> ,233 ,144 ! ,095 ' 1,\3 .517
<br /> ,248 ,151 ! ,105 ,162 .569
<br /> ,264 ,159 , . 11!l ,172 ,622
<br /> ,280 ,166 , 126 ,181 ,676
<br /> j ,29;') ,173 , 136 ,191 I ,732
<br /> I ,311 ,180 , 147 ,200 ! ,789
<br /> , ,328 ,188 ,160 I ,211 ,856
<br /> ,345 .195 ,173 ,222 ,924
<br /> ,363 ,203 ,186 ,233 ,994
<br /> ,380 ,210 ,199 ,244 1. 07
<br /> ,397 ,217 ,213 .255 I. 14
<br /> ,411 ,222 ! ,224 ,264 1. 20
<br />
<br />0, 01
<br />,02
<br />,03
<br />,04
<br />, O.
<br />,06
<br />,07
<br />,08
<br />,09
<br />,10
<br />,1
<br />, 12
<br />,13
<br />,14
<br />. If
<br />
<br />, [6
<br />, 17
<br />,18
<br />,19
<br />,20
<br />,21
<br />,22
<br />,23
<br />,24
<br />,25
<br />,26
<br />,27
<br />,28
<br />,29
<br />,30
<br />,31
<br />,32
<br />:13
<br />, :14
<br />.:{;"",
<br />
<br />. :In I
<br />, :(7
<br />. ;IS
<br />.;m
<br />,40
<br />
<br />, ,11
<br />,42
<br />,4:1
<br />,44
<br />.4;'1
<br />
<br />.4()
<br />.47
<br />,,"
<br />.4!1
<br />,;-111
<br />
<br />.42!l ,227 .235
<br />,440 ,232 ,247
<br />.454 ,237 .258
<br />,46R .241 ,269
<br />,4S4 ,247 ,283
<br />.4un .252 .296
<br />.51;) .257 . aon
<br />.530 ,262 ,32;1
<br />. ;)46 .267 , 3:~7
<br />. ;)61 ,272 , :149
<br />.;'W6 ,276 , :162
<br />. fiU] ,280 , :176
<br />.605 ,284 , a89
<br />.62n ,28H .402
<br />. 1i;~1) ,292 .41(j
<br />.6tlO .296 1 .42!l
<br />. 66ti .:mo ,44:1
<br />.680 , :lO4 I .4:')7
<br />. ()~Fl ,308 ,471 ,
<br /> , I
<br /> -- -_._~---~_.~
<br />
<br />I d=dcpth 01 water, in feet; D=rise, In leet.
<br />
<br />,274 1. 26
<br />,28:1 1. a3
<br />.293 1. a9
<br />, a02 L 46
<br />,:U:1 I. ;-,4
<br />. :124 1. 61
<br />. ;~35 1. 69
<br />, :146 1.77
<br />.3:,7 1. S:,
<br />.369 1. !);~
<br />, :l80 2.0]
<br />.3nl 2, 10
<br />,40:1 2. 18
<br />.4Li 2.27
<br />.427 2. ;~;i
<br />.4:111 2.44
<br />.4,1)1 :t.tJ:l
<br />,46:{ 2. n:l
<br />,476 2,72
<br />
<br /> !
<br /> O. !il I 0,710 ,0311
<br /> . .-,2 ,724 . :~ Hi
<br /> . .~~1 i .7:m , :UH
<br /> . t,4 .71i4 ,112'
<br /> . !);~ .769 ' :124
<br /> . ;i(j .7Sa . :l27
<br /> c" .707 ,:{:lO
<br /> ..J{
<br /> . TiS , Hl1 , :13:1
<br /> . fi9 . S25 , :136
<br /> ,60 ,840 ' 1l1l9
<br /> ,61 _ S;J4 , :342
<br /> ,62 ,867 ,344
<br /> ,6:1 ,881 .347
<br /> ,64 .89;". . :}4H
<br /> .6t, . UOII .:l!)]
<br /> .66 . H21 , . :l!)2
<br /> ,67 . H:~4 . :l'-l4
<br /> ,68 . H46 .:l;l!i
<br />II .ti!) . BoiS . :1:,6
<br />.70 . !l711 .3;,7
<br />,71 ,982 , 1158
<br /> .72 ,994 . :l5n
<br /> ,7:1 L 00.\ ' 1160
<br /> ,74 I. 017 ,361
<br /> .7f, I. 02~' .362
<br /> ,76 1. 039 , 1161
<br /> ,77 1. 048 , a61
<br /> ,7R 1. 058 ,361
<br />Ii .79 1. 068 ,360
<br />,80 1.077 , 1160
<br />I , HI I. 086 . :~.=)!)
<br />, .82 1. 096 .3!i8
<br /> ,81l I. ]();, . :l!)7
<br /> , H4 L 114 . :~.i7
<br /> . ~;i L 12:l . :1;i6
<br /> ,86 L 132 . :1,')4
<br /> . H7 1. 140 . :l1i3
<br /> ,88 I. 149 .3;)2
<br /> ,89 I. 1;')8 . :1!)0
<br /> . !)O I. ]67 . ;14H
<br /> .!Il I. In , :146
<br /> .92 1. 179 .. :142
<br /> . n:l I. I8!) , :139
<br /> . \14 , 1. In! , a36
<br /> . !):) I 1. 197 . :1:l2
<br /> . jl6 1. 20:1 . :;24
<br /> . ~)7 I. 20n i ' :117
<br /> . U8 I. 21.i , :UO
<br /> .!)f1 1.220 ,110:1
<br /> 1. 00 1.226 .297
<br />
<br />0, 484 U.4SS ~. HI
<br />.4HS . ;,01 :t.!JI
<br />. r1l2 :Wd4 " 01
<br /> d,
<br />. ;,26 ~'}- :1. II
<br /> ,I~.
<br />.;w,:m .'i41 " 21
<br /> '.,
<br /> :,.w,:l . ;w.t,r, '., :~ 1
<br />. ;;6G . ;)6\1 ::.41
<br />. ;;so 584 a. ;)2
<br />. ;')9:1 . !in!) a. fj:;
<br />,607 ,614 d, 7::
<br />,620 ,6:m :1. .-.;.-.
<br />. fi;1:~ ,647 :1, !J6
<br />,646 ,664 4, OH
<br />. G;if) .682 4, 20
<br />,67:1 700 4, :~2
<br />,68:1 716 4.42
<br />. tH)4 ,7:ll1 4, .-,:1
<br /> 704 750 4.W,
<br />.7I-w, 767 i 4, 76
<br />.72;; .7S!) 4, HH
<br /> 73:> ; ,806 ii. on
<br />.746 ' H27 '-'.t:;
<br /> 7;;6 , , S4R ;i.:W
<br />,766 ,871 .i. :In
<br />.776 ,894 .J. '-)2
<br />,78:l ,918 .-,. B.w)
<br />,790 . H44 .\ 7S
<br /> 796 .97] ,\ 92
<br />. SO:-l .990 6. f),w)
<br />,810 1. Oil 6, 20
<br />.8],') 1. 06 6, ,,-
<br /> .,.)
<br />,821 1. 10 O..il
<br />,827 1. 1:1 6,6H
<br />.832 I, 17 6. S.-,
<br />,8:18 1. 22 7.0:1
<br /> .'\42 I I .)- 7.24
<br /> ...1
<br />,846 1. :t; 7.4(j
<br />. ,'t')) 1. :{9 7. eu
<br />. S:J.WI 1. 46 7. ~l;l
<br />. S;iH I. .i:l 8, HJ
<br />. S,iS L (}2 S. 4H
<br />. S,')7 I. 71 8, 7.j
<br />. S,')f) 1. S!i II. 14
<br />. ,~.),~, 2. on !l. ;i7
<br />.8:')4 2.22 10. T
<br />, H44 I
<br />.83;, I
<br />, ,~26 I
<br />. SlS !
<br />,810
<br /> -~~~---
<br />
<br />,
<br />--- ------- -~ -~------- -- -------. .--.---- -----
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