|
<br />
<br />TYPE
<br />I
<br />
<br />CRITICAL OEPTH
<br />AT INLET
<br />
<br />ll..::..l. ( 15
<br />D .
<br />h4/"c<I.0
<br />Sa > Sc
<br />
<br />II
<br />
<br />CRITICAL DEPTH
<br />AT OUT,LET
<br />
<br />h,~, (15
<br />
<br />"4/h, < 1.0
<br />So < Sc
<br />
<br />III
<br />
<br />TRANQUIL FLOW
<br />THROUGHOUT
<br />
<br />hiD' (1.5
<br />
<br />h./DII.O
<br />h./h,>J.O
<br />
<br />..,
<br />~.
<br />
<br />I-- L.
<br />
<br />EXAMPLE
<br />,Iv'
<br />O. CAcV2,\h.-z+ alii -de -l'If,.z.)
<br />
<br />7}'~ ::,,,_
<br />" ~:,/:;,' '~~';-2~":" ~~,~ ,_=::=.:---....~.
<br />,)[1it. ...--....."'''''(j)T"
<br />:: ~:.ik;6::" -.,"-"\. _.'." -.,".',:':.:-':.' ;;.,l~\:
<br />(D":-':'::_,:~:;;" Datum/" SO ,"c.~.:
<br />.,;""'::}:,;:..:,>',
<br />
<br />
<br />I-lw
<br />
<br />o.CA,VZ,(, +a JIf._d -.. -h 1
<br />" '20 -c ... f..,
<br />
<br />L
<br />
<br />'~~?j~', D\7--~:-~.~~-TGJ:r;:1h4
<br />."::;~~';CVT7;J, Ootum:T So ~",:,
<br />"'-:,',': .
<br />
<br />Llw o.C.,v'Z'(h,+a, ~-..-.. -.., l
<br />~ 29 ,...,.. I"
<br />}PT~S@=;:~ ~7T'~::~%:;;.', n..o ~_...
<br />, ",'n.., ,'.,"' , . lj ~., "','-, ',.".r dC'ff'. ~]...,
<br />';'}':~".,i.!""."",<,,,+ Diltum~ "'S~ '~""" '. -"t.. .:; ':~:
<br />.>: . ','
<br />,,:',-, ~: ":::~i,~:~~,;
<br />
<br />TYPE
<br />IV
<br />
<br />SUBMERGED
<br />OUTLE T
<br />
<br />~>1.0
<br />
<br />. h.,lD > 1.0
<br />
<br />V
<br />
<br />RAPID FLOW
<br />AT INLET
<br />
<br />hl-Z . I!S
<br />D > .
<br />
<br />h./Dfl.O
<br />
<br />VI
<br />
<br />FULL FLOW
<br />FREE OUTFALL
<br />
<br />hl-z '> Ui
<br />D
<br />h./D: 1.0
<br />
<br />EXAMPLE
<br />o.c., Iz, ~9iJL
<br />'V 1+ (C
<br />
<br />~'n.. ~~r~/'r~~;X~;';i:,~;,,~,,:.,..R,/,;}~tf::;~i<
<br />',," ,;:j-.J.'f,~,.,,"""M\""';"'k't '''~'~'':\''~;''/i:}'"~~'':'~'
<br />'.". ..: .j,( ~ '..,~ ,; ,",~"" ',,"" .., -:' .",' ,':':')' ""',"_:~ ;;'.'-. ::. ",:.. .:', ...,~, ,~;:/". ";' ,;.
<br />~f,~~~i. o.',m/ sof'
<br />
<br />;ti~'~J~, ~y O.C~Z,(h,-.)
<br />............".....W.o.
<br />~.." '.';', : ";"',:',:-"0-
<br />;~~:,~!.;~~;?,,:. - Ootum/
<br />
<br />
<br />:'.:':';;;;1."
<br />.:.':i~"j~
<br />
<br />So
<br />
<br />''',''
<br />
<br />~' ,,;:-. o.C"VZ,(h,-..- h,..,I
<br />I ~. '
<br />~ . \ .
<br />~t ~~;',. L
<br />.~," h.\ '~:;~ ' ,
<br />" " 1;','-I9r;'t.l ,...".... "1\.~.~, j_ ~ !I' .~}
<br />\, "'-\':'\5(~.' D/-'...1:.~~,.'~:~.'..,"I: 'I ';'
<br />y,t. ,. ,% "T \ ", "....... ~~..i'l r' > "'''.~ "3 h4
<br />;:.~ , ,".~' , .", '., ,., .:......,.,. ,.,.:..:. .
<br />.. ,""-:-" "-',m"?'"" .'
<br />0-, l"(,,..l.' '^' "'0
<br />~l.~~<i") ';,{~i'
<br />1,"'r.';11,_~'J
<br />
<br />Figure 1. - - Classification of culvert flow.
<br />
<br />\
<br />
|