plus - minus method
TRANSCRIPT
TUGAS PRAKTIKUM METODE SEISMIK I
‘PLUS – MINUS METHOD’
Muhamad Wildan Perdana12201
1. DATA
No. Geophon
eJarak
T forward (s)
T reverse (s)
TSD TS'D' ΔTd Hd
0 0 0 0 0.11638740.19067999
30.0920487
26.52102
1 50.05525999
50.19067999
30.1194439
0.190679993
0.09357695
28.36625
2 100.06983999
60.18816000
40.1225004
0.188160004
0.09384521
28.44757
3 150.08489999
40.18497999
60.1255569
0.184979996
0.09378345
28.42885
4 200.09521999
40.18263999
90.1286134
0.182639999
0.094141728.5374
4
5 250.11345999
10.18053999
30.1316699
0.180539993
0.09461995
28.68242
6 300.12593998
70.17694000
20.12593998
70.17694000
20.089955
27.26832
7 350.13079998
80.16805999
80.13079998
80.16805999
80.087945
26.65902
8 400.14033999
60.16469999
70.14033999
60.16469999
70.091035 27.5957
9 450.14117999
30.15935998
50.14117999
30.15935998
50.0887849
926.9136
5
10 500.14351998
90.15749998
50.14351998
90.15749998
50.0890249
926.9864
11 550.15071998
60.15599998
50.15071998
60.15599998
50.0918749
927.8503
3
12 600.15749998
50.15029998
80.15749998
50.15029998
80.0924149
928.0140
2
13 650.16445999
10.15155998
20.16445999
10.15155998
20.0965249
929.2599
14 700.16679998
80.15029998
80.16679998
80.15029998
80.0970649
929.4235
915 75 0.16913998 0.14771998 0.16913998 0.14771998 0.0969449 29.3872
4 6 4 6 9 1
16 800.17039999
40.14561999
50.17039999
40.14561999
50.096525 29.2599
17 850.17357998
70.13967999
30.17357998
70.13967999
30.0951449
928.8415
7
18 900.17417999
30.13715998
80.17417999
30.13715998
80.0941849
928.5505
7
19 950.17651998
90.12467999
30.17651998
90.12467999
30.0891149
927.0136
8
20 1000.17735998
50.11747998
80.17735998
50.12765263
0.09102131
27.59155
21 1050.17777998
40.10415998
80.17777998
40.12433063
0.08957031
27.1517
22 1100.17945999
10.09203999
30.17945999
10.12100863
0.08874931
26.90283
23 1150.18053999
30.07853999
30.18053999
30.11768663
0.08762831
26.56302
24 1200.18221998
60.05735999
70.18221998
60.11436463
0.08680731
26.31415
25 125 0 00.18221998
60.11104263
0.08514631
25.81065
2. Grafik Time Vs Offset
3. Grafik T SD – T S’D’ Vs Offset
20 40 60 80 100 1200
0.05
0.1
0.15
0.2
0.25
0.3
f(x) = 0.000611284195087719 x + 0.116387358473684
T SD Vs Offset
T SD Vs Offset
Linear (T SD Vs Offset)
Offset (m)
T SD
(s
)
4. Grafik T S’D’ Vs Offset
0 20 40 60 80 1000
0.05
0.1
0.15
0.2
0.25
0.3
f(x) = − 0.000664400115789474 x + 0.194092629473684
T S'D' Vs Offset
T S'D' Vs Offset
Offset (m)
T S
'D' (
s)
5. Grafik TSD - TS'D' Vs Distance
0 20 40 60 80 100 120 140
-0.1
-0.08
-0.06
-0.04
-0.02
0
0.02
0.04
0.06
0.08TSD - TS'D' Vs Distance
TSD
- TS'
D'(s
)
Distance(m)
6. Perhitungan
7. Model Bawah Permukaan
0 10 20 30 40 50 60 70 80 90 100110
120
0
10
20
30
jarak (m)
kedalaman (m)
8. Referensi
Geophysics Expdition 2010 Handbook.