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R e c o r d o f N a t u r a l W a t e r C o n t e n t
D e t e r m i n a t i o n o n V a r v e d C l a y s
D B R - R - 1 7
S u t h e r l a n d , H .
1 9 4 9 ?
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The
aa.tu~aX water content d e t e r e n a t f o n ~ which w e w e madeshmsd eoaaide~abla
B % f % @ ~ @ n c @ s
between the dark md li&%l a y q p e ,
!Phe
a w k I E ~ ~ F B , w h $ ~ b havea
a e a t e s p ~ o p o ~ t i o n off i n e p a ~ t f c l e s than %he light l a y e ~ o , have a l g a EX
much
$BI@~F n a t u r a l water eonten% % h a %he I f g h t l a y e r g ,It
2s d i f f i c u l t and t e d l s u s t o aubdivid6 -7 l a y e rin aueh a manner as ts ~bt.a%a% a b e i i b a i e n t ~ a t a r l a l %or $ s a t
p w p o s e s ,
The d-k P a g e % ~ (con$&n$ng %he % f n e ~ ~ a t e r 8 a l ) 2.8 u ~ u a k l y
thfeke~ and t h e ~ e 2 s ~ e mare easily 5nvestigated than the 18gh$ b 8 ~ @ ~ ( C O E ~ Q % D % ~ ~ %h@ eD23P88F E ~ & ~ ~ F % E % I ) s
P E V B S % % ~ L $ ~ Q ~ B
0.fn a t w a l water conten% wssrse made l n v m i o u s dark l e y a ~ a , b s t s
being made in a hsp%zsn$al tan& v e ~ % P c a l d k e c t 5 s n k h r s u g h each
0% these l a y e ~ a *
$ a )
In
g e n e ~ a % , there w e ~ e na mmked d8fferenees innatupal w a t e r e s n t ~ n t in a h s r i z o n t a l $ i a ° s ~ t % o a t h o u g h one l ~ y e r o~ pmt oi a layez-, Diffsr~neas whfeh showed 2.n %he t e a % p ~ s u ~ t s wp~ge~e u s ~ & % % y
in
t h e subdl vSs%ons 0% one la ye^^ =d w e ~ g prerBab1y due
ts the difficul%y of a ~ c w a t ~ 1 - y s u b d i v f a n g EL layer of a o P l of aompwatively s m a l l t h f e b e s s ,
The.@ a e p s reggked d i k g e ~ e n e e s %n the d h t~%bu%%on sf n a t w a l w a t e r conteat %n
a
v s ~ L I c ~ 1 & l ~ s e t i o nfa =e d m k The ~ a . $ ~ & l W&BP C O E % ~ ~ I % $ in the
B m k lap^ d e e ~ s a s e a f ~ o a b o t t o a to t o p a f t h e layme Tkxwe a p p a e s to be a s h ~ r p Be~areaLiolab at the j m ~ t f m between the t o p of the fight %a$= and the bottom a f
%he d m k B R ~ @ - P ~
The
w a t e ~ esntesat p r o w e @ a i ~ ~ l y d e c ~ ~ a s e s $"~ccam bst%oa %Q %sp a% a e dBwB Bayer,It
w a s n o t g o a s i b l e ts lnvega%iga$e any v w i a t % o n ofnatural w a t m eontent 2x1 the $.i&k l a y ~ r s ae31 kheae
aePa n o t of suffic$enk t b f ~ h 8 8 8 f e
In
one caae a d m k l a y e rwas
sub-dfvfded i a k o &hx=se thPek-nesees and %Wee water
caneen%
determinatfons wesa mad8 ~ ~ F O B B each o f these t M c h e s ~ @ a e PPQE t h e % e a u % . t b g nine determin-~ 6 f s n s averwe n a t w a l q a t s r cmntent af
107,9$
fop %bePayea w a s ~ b t & n @ & ~ Two t e s t s taken on the complete t B i c h e a ~
CIZ the dark l a y e r gave
na$u~aX
W B ~ P ~ ~ B P con$snts of 167,1$ m dCcn@%usf ona R8g83adla~.xRat;bl~$~% V & % ~ P C ~ n % e n % -.-
( ~ ~ n k d
)d i s t ~ i b n $ f on
$ h a
%hs d a ~ k B&y@egl the a v b ~ a g e gn~t9;t~al w a k e ~ contentfs atach P e a a than the average n&turaE w a t a ~ c s n t a e t
Pn
t h ed w k
lay-ex?oThe deerease frs n a t w a l watex? c ~ n k a a t f r o & bo%%om to kop of a dmk
l a y e p %hs~ero%po suggests a d e c ~ a g a s P n p & n s i z e Biat~lbutisn thou@
tha la ye^^ A d ~ c ~ e a s e of g r d n s i z e d i a t ~ i b ~ a t Z o n through the layer
g t v e s ~ ~ e d a n a ~ to %he Sedfmen%atiow %asky advm@@d by de 6eek fos %%he
fc~mat$on o f vmued clays,
Thf a conclusion n a t m a l l y l e a d s k o
an
attemp$ to ' R L $ B ~ S U F B d f ~ " e c t -P$
%he p a % n size d l s . $ ~ I b u % I ~ n fn $he s u b - d i ~ l d e d 1ayero a d-m%E$ q e % s , T h i g 2s d e a ~ ~ - P b e b in a 8epwake notee
1% is suggested that the w a ~ k d a a c ~ i b e d in %he psecedieg P W Q ~ & ~ $ B bC3 G O ~ % % ~ D U @ ~ a d 6 e v e B ~ p e d ~ f$ W E i 8 $ i e a r ~ ~ P y be
there is
not
au.fficien.$ f f l o m a t i s n as y e t f ~ o m which r 9 g i d csncB~1.sisns CELT3 be 6kPaIEEleIt
is d i f f i e n l tma
$@ghiau8 %a S U ~ = & % V % & ~ %he l & y e r sof
thevmved ela91 to give e & f $ b i ~ n C matea%BaP neaessgpy f o r the t e a t s ,
It
i s the $ma of' p ~ o j a c t , ~ O W ~ Vwh$c%. ~ P e m ~ b e s t be p w a a e d fa a more
~%Bhg e qu%l;ped a b ~ b s r a % o ~ y such as %ha H o n t r e a Raad Labop &%t03?;$~
%en water content determieatf ons ape being raaade, at % m p $ s
at d s t e ~ m i n i n g I f qu%d md p l ~ ~ t i e ~ 1 i m l t s 0.f the m s % s ~ l a l f ~ o m %he
OBVISION 6 F 8881kBBNd R E S E A R C H
W A T E R
CONTENT
TESTS
COMPBB'TED : ODVlSBOWl OF BUtLDfNC R E S E A R C H
NATBQNAL RESEARCH C O U N f l L CHECKED '.
W A T E R
CONTENT
TEST'S
DBYBSIOM OF BUBLDINC R E S E A R C H CHECKED ",
