jacobsz - modulus of subgrade reaction
TRANSCRIPT
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SAICE GEOTECHNICAL DIVISION
MODULUS OF SUBGRADE REACTION
20 June 2012
SW Jacobsz
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l
lE
=
=
1
1
1
=kPa
kPa
1
l
1111
1111
12 =
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E
21
1
=
E
12
2
=
1111
1111
2222 2222
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E
321
1
=
E
312
2
=
E
213
3
= 1111
2222 2222
1111
3333
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l
ll
Ks
=
=
3mkN
mkPa
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250
10
20
100 0,3
30
0,2
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-0.008
-0.006
-0.004
-0.002
0
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() () ()
7 12.8 20
6 12 21
5 11.1 23
4 . 25
3 8.4 30
2 6.5 38
1 4 63
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0
10
20
30
40
50
60
70
0 2 4 6 8
(
)
()
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!
.
,
.
( ).
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qcf DNcNBNq ++= 2.13.0