Investor Presentaiton
No
Location Lithology
Morphology &
topography
Result of Soil Slope Stability Analyses in the Study Area
Factor of Safety
&
Soil/Rock
Properties
Remarks
Type of Failure
On the top of the
Soil of
Kalijambe,
1
andesite
Village,
breccia
Moderately steep
to steep slope
(14%-55%),
Structural Hills
H = 11.7 m
W = 20 m, L = 12.2
m
slope = 73°,
c = 8.2 kg/cm²
f = 5º, g = 10.04
rotational
slope there are
debris slide
0.448
(unstable)
some houses
and farming.
Soil of
Kertosari
2
andesite
Village
slope,
20%),
Moderately steep
(14%-
H=19,1 m,
W = 20 m,
= 26.5 m,
L
debris slide
slope rotational
breccia
Structural Hills
= 46°
kg/cm²
c = 8.9
0.62 (unstable),
Terracing for
footpath.
This slope is
located near to
the main road
Purworejo-
Magelang, On
Bowles (1991) the top of the
f = 12°, g = 11.83
slope, there are
perrenials
Yogyakarta, 3 October 2019
NI
E, MINERAL AND ENERGY
CIENCE,
ICEMINE 2019View entire presentation