pfe.gc.0231
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Essai C. B.R. (Calijornian Bearinq Ratio)<br />
Ou • indice de portance californien •<br />
P ROJ >0, :<br />
LocALisATION<br />
SOND~GE:<br />
ÉCHANTI'L-LON<br />
no.<br />
DE5 cRI P _T_'O~N.-:..<br />
_<br />
CR L C LI t, É. PAR ~<br />
LE :<br />
i·<br />
COMPAC'-P,c;!i'<br />
STD. Cl<br />
MOD.D<br />
rvlETHooE<br />
1<br />
i<br />
C<br />
L<br />
c;<br />
o<br />
2.,DL i<br />
1<br />
1.i\-.G ~<br />
.... .,;<br />
1 •<br />
i' .<br />
,<br />
!<br />
ESSAi<br />
no .<br />
p (5) =<br />
%; Os<br />
CBR=<br />
caR:<br />
r ,<br />
E<br />
- _..__ .<br />
-c.<br />
0..<br />
10<br />
ESSAi no.<br />
V"/" f;"'J11l..<br />
?oi2(s~<br />
P(z.,s)~<br />
P (5) =<br />
h.CS-f!cr),z ;' C.6R =<br />
k'f'jc,..,1 :; CBR =<br />
ne . ( drz$O-.: '-'<br />
fipolcz. ~ l'~i05~<br />
P(z.,S)oo. f''1'/e",' j CbR =<br />
P (5) =<br />
R'i'(jc>~' j CSR =<br />
C'" a..ssoi immid;ot) aprd-s jmb;b;+;on/dr.:.~"':'s:,ccCJ+,o..-)/d0r.~"l_lck.<br />
Rcz.-r'r"lo ....qu.1'.s: __<br />
[;z=:<br />
,<br />
[-Z--'<br />
1<br />
1<br />
.:<br />
o<br />
o<br />
"l<br />
Ua<br />
v-;'j'd'"-,- ~ïl YoJ Lau.<br />
des cleux rapports:<br />
P (2,5)<br />
O,iO<br />
Le c.n.n. est égal au<br />
et P (5)<br />
~<br />
plu!' fort<br />
}J (2,G) l',tanl la pression currcspondo n t à u n cnloncrmcnt de<br />
2,5 mm (:l P (5) celle cono.:spondant a \ln ('1\(onccHH:\\l de j nHI\.
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