Kajian Efektifitas Penggunaan Abu Vulkanik dan Abu Sekam Padi Terhadap Stabilitas Tanah Lempung Ditinjau dari Nilai CBR dan Penggunaan Kuat Tekan Bebas (Unconfined Compression Test)
LAMPIRAN
Universitas Sumatera Utara
SUMMARY TEST RESULT
- Pengujian Index Properties
Sample
Tanah asli
Abu Gunung
Vulkanik
Abu Sekam
Padi
Atterberg limit
PL
IP
20,42%
26,33%
Kadar
air
12,35%
Berat
spesifik
2,6517
LL
46,73%
-
2.6280
NP
NP
NP
13,80%
-
2.5482
NP
NP
NP
8,56%
Lolos saringan No. 200
49,16%
- Pengujian AtterbergLimit, Compaction, dan UCT
Atterberg limit
Sample
Tanah asli
Tanah remoulded
TA 75% + 25% AGV
TA 75% + 25% ASP
TA 75% + 2,5% ASP + 22,5% AGV
TA 75% + 5% ASP + 20% AGV
TA 75% + 7,5% ASP + 17,5% AGV
TA 75% + 10% ASP + 15% AGV
TA 75% + 12,5% ASP + 12,5% AGV
TA 75% + 2,5% AGV + 22,5% ASP
TA 75% + 5% AGV + 20% ASP
TA 75% + 7,5% AGV + 17,5% ASP
TA 75% + 10% AGV + 15% ASP
TA 75% + 12,5% AGV + 12,5% ASP
LL
PL
IP
46,73
37,09
NP
35,18
35,08
34,75
33,95
33,25
30,11
30,87
31,55
31,85
33,25
20,42
22,08
NP
25,75
25,99
26,24
26,20
26,30
24,80
24,90
25,40
25,31
26,30
26,33
8,01
NP
9,43
9,08
8,51
7,75
6,95
5,31
5,96
6,15
6,54
6,96
Compaction
γd maks
Wopt
(gr/cm³)
(%)
1,31
21,25
1.52
25,53
0,93
43,16
1,49
26,22
1.45
28,34
1.43
29,96
1.41
30,17
1.40
32,29
1.21
39,17
1.23
38,62
1.27
36,21
1.28
34,26
1.40
32,29
UCT
Qu
Cu
(kg/cm²) (kg/cm²)
1,38
0,69
0,58
0,29
2,23
1,11
0,63
0,31
2,19
1,09
2,10
1,05
1,99
1,01
1,88
0,94
1,63
0,81
0,57
0,28
0,64
0,32
0,97
0,48
1,24
0,62
1,63
0,81
- Pengujian CBR
Sample
CBR (%)
Tanah asli
12,87
TA 75% + 25% AGV
15,48
TA 75% + 25% ASP
7,42
TA 75% + 2,5% ASP + 22,5% AGV
11,28
TA 75% + 5% ASP + 20% AGV
10,50
TA 75% + 7,5% ASP + 17,5% AGV
9,62
TA 75% + 10% ASP + 15% AGV
8,69
TA 75% + 12,5% ASP + 12,5% AGV
8,43
TA 75% + 2,5% AGV + 22,5% ASP
7,38
TA 75% + 5% AGV + 20% ASP
7,73
TA 75% + 7,5% AGV + 17,5% ASP
7,96
TA 75% + 10% AGV + 15% ASP
8,16
TA 75% + 12,5% AGV + 12,5% ASP
8,43
Universitas Sumatera Utara
Universitas Sumatera Utara
SUMMARY TEST RESULT
- Pengujian Index Properties
Sample
Tanah asli
Abu Gunung
Vulkanik
Abu Sekam
Padi
Atterberg limit
PL
IP
20,42%
26,33%
Kadar
air
12,35%
Berat
spesifik
2,6517
LL
46,73%
-
2.6280
NP
NP
NP
13,80%
-
2.5482
NP
NP
NP
8,56%
Lolos saringan No. 200
49,16%
- Pengujian AtterbergLimit, Compaction, dan UCT
Atterberg limit
Sample
Tanah asli
Tanah remoulded
TA 75% + 25% AGV
TA 75% + 25% ASP
TA 75% + 2,5% ASP + 22,5% AGV
TA 75% + 5% ASP + 20% AGV
TA 75% + 7,5% ASP + 17,5% AGV
TA 75% + 10% ASP + 15% AGV
TA 75% + 12,5% ASP + 12,5% AGV
TA 75% + 2,5% AGV + 22,5% ASP
TA 75% + 5% AGV + 20% ASP
TA 75% + 7,5% AGV + 17,5% ASP
TA 75% + 10% AGV + 15% ASP
TA 75% + 12,5% AGV + 12,5% ASP
LL
PL
IP
46,73
37,09
NP
35,18
35,08
34,75
33,95
33,25
30,11
30,87
31,55
31,85
33,25
20,42
22,08
NP
25,75
25,99
26,24
26,20
26,30
24,80
24,90
25,40
25,31
26,30
26,33
8,01
NP
9,43
9,08
8,51
7,75
6,95
5,31
5,96
6,15
6,54
6,96
Compaction
γd maks
Wopt
(gr/cm³)
(%)
1,31
21,25
1.52
25,53
0,93
43,16
1,49
26,22
1.45
28,34
1.43
29,96
1.41
30,17
1.40
32,29
1.21
39,17
1.23
38,62
1.27
36,21
1.28
34,26
1.40
32,29
UCT
Qu
Cu
(kg/cm²) (kg/cm²)
1,38
0,69
0,58
0,29
2,23
1,11
0,63
0,31
2,19
1,09
2,10
1,05
1,99
1,01
1,88
0,94
1,63
0,81
0,57
0,28
0,64
0,32
0,97
0,48
1,24
0,62
1,63
0,81
- Pengujian CBR
Sample
CBR (%)
Tanah asli
12,87
TA 75% + 25% AGV
15,48
TA 75% + 25% ASP
7,42
TA 75% + 2,5% ASP + 22,5% AGV
11,28
TA 75% + 5% ASP + 20% AGV
10,50
TA 75% + 7,5% ASP + 17,5% AGV
9,62
TA 75% + 10% ASP + 15% AGV
8,69
TA 75% + 12,5% ASP + 12,5% AGV
8,43
TA 75% + 2,5% AGV + 22,5% ASP
7,38
TA 75% + 5% AGV + 20% ASP
7,73
TA 75% + 7,5% AGV + 17,5% ASP
7,96
TA 75% + 10% AGV + 15% ASP
8,16
TA 75% + 12,5% AGV + 12,5% ASP
8,43
Universitas Sumatera Utara