Environmental Engineering Reference
In-Depth Information
1.3
1
F81 MESH
BAR 1
BAR 2
BAR 3
LAP WELD
BAR 5
BAR 4
3000 (TYP.)
R.L. 27.C
LAP WELD
STRIPPED ROCK LEVEL
RL: 25.5
ANCHOR BAR
AT 1200 CRS
TOE WALL
ANCHOR BAR
AT 1200 CRS
(a)
1.3
1
F81 MESH
S20-300
300
850
RL.27.0
1500500 WIER
RL.26.5
S12
200
APPROX.
RL.25.5
ASSUMED TOE OF EMBANKMENT
S28 ROCK ANCHOR BAR
AT 1200 CTS. 3000 MIN.
INTO SOUND ROCK.
TOE WALL
2-S28 ROCK ANCHOR BARS
300 APART. 3000 MIN. INTO
SOUND ROCK AT MEASURING
WEIR SLOT.
(b)
F81 MESH
13
1
S20-300
FLEXIBLE WIRE MESH (CHAIN LINK FENCING OR EQUIVALENT.)
PROTECTIVE CONCRETE ON EMBANKMENT / ABUTMENT
CONTACT MIN. THICKNESS 150.
2000
S20
S28 ROCK ANCHOR BAR
AT 1200 CTS. 3000 MIN. INTO
SOUND ROCK
(c)
Figure 13.29.
Steel mesh protection for Clarrie Hall Dam. (a) Meshing layout; (b) abutment detail, river
section; (c) abutment detail, other than river sections (PWD of NSW, 1981).
