Territory Stories

Report on Alice Springs underground water Investigations

Details:

Title

Report on Alice Springs underground water Investigations

Creator

Smith, E. R.

Collection

E-Publications; E-Books; PublicationNT; Report ; 5/1957

Date

1957

Language

English

Publisher name

Northern Territory Administration

Place of publication

Darwin

Series

Report ; 5/1957

Format

1 volume (various paging) : 30 cm.

File type

application/pdf

Copyright owner

Northern Territory Government

Parent handle

https://hdl.handle.net/10070/228830

Citation address

https://hdl.handle.net/10070/673677

Page content

Technical Report WRD57005 Viewed at 00:02:40 on 18/02/2010 Page 14 of 16. l.~ The size of' gravel to be used fo .f'-,~.~.~~'-l;o-~~ll' , ... ~,_.).,asC~ll,,\1"~~""'1 is governed by the sieve analysis of the aqu -- "--'_ ~ =",,~ and tl!8 slot width of thE; sc:ee3D u8<3d. The deal .:.:;:cavel pC0k is one of uniform size which will not oaGS the screen slots and corresponding to the w1jor proportion of the Dt'-tur::<l C;l'::lvel excludeft by the screen. Rarely is it economically p~actiu3ble to obtain such a unifoPtTI gruvel. Thel'efoI'e, tb.e ~lStHl11;:l ~:~doi,tcd practice _ and one quite: satisf'actor-y - is to obtdin c~ [llt1 v<;1 i(~ which the minimum erain size will be L'etninec1 by tile Rc,",",cn "rod the maximum grain size is approximately twice the .GC1~~elJ slot width, 01" t.\itice the diatoetel' of the smaller size of 2:1'8v,~;1 llsaQ. A wide v81'intion of gravel si~e is lnost Ll11.:1B'Jil'i.,blc 0.3 :i t reduces Tle:rmeability. rl:he more unifoPu1 the i~l'ov{;l the ;j~=tt~I' ,.I-;(] a finer gl~avcl pack is u8u&.11y {nOr"::; cffe-:;tive tL.o.n G;. COU:C'~;~l' gravel; e~g. where sieve analysis of ~ln aquif6~ iThlic~tbs a screen slot of' .OllGq (ap'PPOXi{Jldtely- 3/6J.f tr) :"! :3;,1i t:'~:J.le L:1"8'tl~1 H1iXtUl.~0 fOl' packinc: wo111.-: -Dt; OT':-'; PJjt,~in2rl on .; 1/1(;91 3Cl",::,~n [.ntJ par.;si Df.3 0 .~ It SCl:'\j"t~n Oi' p0chny;s .sliL:htl~! 12{L;:'~(' ..


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