HASIL PENGAMBILAN DATA KEKAR DILAPANGAN LOKASI 2

Lokasi: Lokasi 2Geometeri Terowongan

Jenis batuan: BatugampingArah kemiringan (af): N 85 E

Blok / elevasi: 165 mdplKemiringan ():52

Diukur oleh: Tim Geoteknik PT. GITinggi Terowongan (h): 4,5 m

Tanggal: 4 September 2013Scanline

Cuaca: CerahArah kemiringan (as): N 66 E

Jam: 10.00 WIBKemiringan (s): 3

Koordinat: 468594.4788Panjang (L): 23 m

: 9115327.024Js: Jarak semu antar kekar (m)

R: Rebound Schmidt Hammer

JCS: Joint Compressive Strength

JRC: Joint Roughness Coefficient

Keterangan kondisi kekar:

st : stepped rough

Sm: stepped smooth

ss : stepped slickensided

pr : planar rough

Ps: planar smooth

pss : planar slickensided

Ur: undulating rough

Us: undulating smooth

uss : undulating slickensided

f : fresh

sw : slightly weathered

mw : moderately weathered

Hw: highly weathered

cw : completely weathered

Rs: residual soil

Cd: closed discontinuity

Fd: filled discontinuity

Od: open discontinuity

Geo: width, wall strength

Fillty: weathering grade

Fillsth: filling strength manual index

un1: discontinuity is very tight and dry.

un2: discontinuity is dry with no evidence of water flow.

un3: discontinuity is dry but shows evidence of water flow.

un4: discontinuity is damp but no free water is present.

un5: discontinuity shows seepage, occasional drops of water.

un6: discontinuity shows a continuous flow water.

f1: filling materials are heavily consolidated and dry.

f2: filling materials are damps, but no free water is present.

f3: filling materials are wet, occasional drops of water.

f4: filling materials show signs of outwash.

f5: filling materials are washed out locally.

f6: filling materials are washed out completely.

rm1: dry walls and roof, no detectable seepage.

rm2: minor seepage, specify dripping.

rm3: medium inflow.

rm4: major inflow.

rm5: high flow.

Jarak semu, Js (m) Arah kemiringan, afKondisi kekarParameter Barton

No kekar Kemiringan, Kemenerusan Kekasaran Kekuatan bidang Bukaan Isian Laluan R JCS (MPa) JRC

1F.A11566