PRELIMINARY BORING LOG PT.

SOILENS
PROJECT : HIGH SPEED RAIL WAY DATE : Jan, 21, 2016 to Jan, 23, 2016
- : JAKARTA - BANDUNG DRILLING METHOD : Coring Sampling
CLIENT : J.O. WIJAYA KARYA & TSDI SAMPLING METHOD : Shelby,Piston, Mazier
LOCATION : SUBGRADE SPT : Automatic Hammer
BOREHOLE NO. : 15-ZD-033 DRILLER : Aep Rochmat
ELEVATION : meter LOGGER : Yan Yusuf
COORDINATES : X = 768000.220; Y = 9252398.940 DRAWN : Yan Yusuf
DEPTH : 25.25 meter REVIEWED BY :
GWL : -4.60 meter PAGE : 1 of 1

PENETROMETER
STANDARD PENETRATION TEST DYNAMIC PENETRATION TEST
DEPTH (m)

DEPTH (m)
GRAPHIC
SYMBOL

RQD (%)
SAMPLE

ROCK / SOIL DESCRIPTION

SCR (%)
SPT Graphic DPT Graphic

(kg/cm )

Penetr.

Penetr.

CR (%)
Blows/

Blows/
2

DEPTH

DEPTH
USCS

Blows/30 cm Blows/10 cm
LOG

(m)

(m)
10 20 30 40 60 120 180 240

qu

IF
0.00 FAT CLAY, reddish brown, high to medium
100

1.00
CH plasticity, high dry strength, slow dilatancy,
1.00 lateritic, medium stiff. 1.00 1.50 100

1.70
FAT CLAY, yellowish brown, high to medium 1.70 1.25 1.85 6/30
plasticity, high dry strength, slow dilatancy,
3.00
CH lateritic, medium stiff to stiff.
3.00 2.75
3.70 2.00 3.85 12/30
3.70
4.00 4.15 2.00 93
SILT, tuffaceous, brownish yellow, low
5.00 plasticity, low dry strength, rapid dilatancy,
slightly fine sand, stiff to very stiff. ( 5.00 2.00
completely weathered tuff ) 5.45 4.50 5.60 9/30
5.45
ML
7.00 4.00 7.15 28/30

8.00
8.00 4.50 100
8.30 8.30
SANDY SILT, tuffaceous, light brown, low
plasticity, none dry strength, rapid dilatancy, 9.00 4.50 9.15 48/30
sand is fine grained, hard. ( completely
ML weathered tuff )

11.00 N > 50
11.15 50/27
11.40 11.42 95 55 65 3
TUFF, yellowish brown, very weak rock, silty to
fine sandy character, weakly cemented, 95 45 45 6
highly to completely weathered, friable, non
intact cores, fine pores, massive, hard soil. 13.15 42/30
90 40 46 7

N > 50
15.15 50/22
76 20 20 4
75 25 38 6

N > 50
17.15 50/19
70 15 24 5
50 36 40 3

18.80
TUFF BRECCIA, yellowish brown with gray, 19.15 37/30
weak rock, highly weathered, weakly 74 - - -
cemented by tuff matrix, some andesitic 85 25 36 4
fragment with dia of 2.00-8.00 cm,
subangular, non intact, hard soil. ( broken N > 50
cores due to the drilling activity ) 21.15 50/21
75 10 10 4
66 - - -

N > 50
23.30 23.00 50/14 65 30 30 3
23.60
70 - - -
24.60
N > 50
25.00 25.25 25.15 50/10
END OF THIS BORING
CASING DOWN TO 17.15 METERS DEPTH.

Disturbed Type of Cone Heavy duty Drop hammer distance 76 cm