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Cw
:
kPa
pembacaan manometer untuk nilai perlawanan konus (kPa);
Tw
:
kPa
pembacaan manometer untuk nilai perlawanan konus dan geser (kPa);
Kw
:
kPa
selisih dengan (kPa);
Pkonus
:
gaya pada ujung konus (kN);
Ppiston
:
gaya pada piston (kN);
qc
:
kPa
perlawanan konus (kPa);
fs
:
kPa
perlawanan geser lokal (kPa);
Rf
:
%
Tf
:
N/m
Api
:
Dpi
:
angka banding geser (%);
20 cm
2
2
P konus = P pisto qc = Cw x Api Ac
P konus + P gese
geseran total (kPa); luas penampang piston (cm2 diameter piston (cm);
Ac
:
10 cm
Dc
:
35.7 mm
diameter konus sama dengan diameter selimut geser (cm)
As
:
150 cm2
luas selimut geser (cm
Ds
:
Ls
:
35.7 mm 133.5 mm
fs = Cw x Api As
luas penampang konus (cm2
diameter selimut geser (cm)
As = π x D Kw
=
Cw
panjang selimut geser (cm)
Rf = 10
s dan geser (kPa);
P konus = P piston qc = Cw x Api Ac P konus + P geser = P piston fs = Cw x Api As A s = π x Ds x L s Kw
=
Cw - Tw
Rf = 100 x fs qc
KEDALAMAN
Cw
Tw
Kw
qc
fs
fsx20 cm
Tf
m
kPa
kPa
kPa
kPa
kPa
N/m
N/m
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4 4.6 4.8 5.0 5.2 5.4 5.6 5.8 6.0 6.2 6.4 6.6
0 2 2 4 4 6 6 8 8 15 15 20 25 30 20 20 31 35 45 45 55 50 50 75 85 95 155 35 35 20 20 95 95 200
0 4 4 6 6 8 8 12 12 20 20 25 30 35 25 25 40 40 52 56 65 55 55 80 95 100 165 40 40 25 25 115 115 205
0 2 2 2 2 2 2 4 4 5 5 5 5 5 5 5 9 5 7 11 10 5 5 5 10 5 10 5 5 5 5 20 20 5
0 4 4 8 8 12 12 16 16 30 30 40 50 60 40 40 62 70 90 90 110 100 100 150 170 190 310 70 70 40 40 190 190 400
0.00 0.27 0.27 0.27 0.27 0.27 0.27 0.53 0.53 0.67 0.67 0.67 0.67 0.67 0.67 0.67 1.20 0.67 0.93 1.47 1.33 0.67 0.67 0.67 1.33 0.67 1.33 0.67 0.67 0.67 0.67 2.67 2.67 0.67
0.00 5.33 5.33 5.33 5.33 5.33 5.33 10.67 10.67 13.33 13.33 13.33 13.33 13.33 13.33 13.33 24.00 13.33 18.67 29.33 26.67 13.33 13.33 13.33 26.67 13.33 26.67 13.33 13.33 13.33 13.33 53.33 53.33 13.33
0.00 5.33 10.67 16.00 21.33 26.67 32.00 42.67 53.33 66.67 80.00 93.33 106.67 120.00 133.33 146.67 170.67 184.00 202.67 232.00 258.67 272.00 285.33 298.67 325.33 338.67 365.33 378.67 392.00 405.33 418.67 472.00 525.33 538.67
NO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
Rf % 6.67 6.67 3.33 3.33 2.22 2.22 3.33 3.33 2.22 2.22 1.67 1.33 1.11 1.67 1.67 1.94 0.95 1.04 1.63 1.21 0.67 0.67 0.44 0.78 0.35 0.43 0.95 0.95 1.67 1.67 1.40 1.40 0.17