X
PLACE CONCRETE AFTER ANCHOR
STAINLESS STEEL STRAP
BLOCK HAS BEEN POURED AND
STAINLESS
SEE DETAIL
STEEL STRAP
150
BENDS SET IN PLACE
STAINLESS STEEL STRAP
SPACER BLOCK
CONCRETE
c
a
a
STAINLESS STEEL RODS
d DIAMETER
150 mm
MIN.
100
CONCRETE
100
80 mm MIN.
ANCHOR BLOCK
a
b
a
X
UNDISTURBED GROUND
UP-THRUST BLOCK
UP-THRUST BLOCK
SECTION
ELEVATION
X
STAINLESS STEEL STRAP
50 x 13 mm
MINIMUM DIMENSIONS
INSIDE RADIUS OF
130 x 85 x 20 mm
MI
N.
100 m m
RADIUS OF BEND
85
MI
N.
50 m m
135 m m M I
N.
ANGLE 80 mm LONG
mm
STRAP=OUTSIDE
13 mm
WELD
STAINLESS STEEL
PIPE SIZE
a
b
c
d
e
100
450
600
750
13
150
150
600
900
900
13
300
200
600
900
1500
13
450
250
900
900
1500
20
600
300
1200
900
1650
20
800
350
1200
1200
1650
25
1000
SPRING LINE
STAINLESS
STEEL ROD
DETAIL
Y
DIA.
CONCRETE
2 DI
A.
MI
N.
THRUST
BLOCK
CONCRETE THRUST
BLOCK
e
UNDISTURBED
GROUND
Y
e
O.D.+600 mm MIN.
UNDISTURBED GROUND
DOWN-THRUST BLOCK
DOWN-THRUST BLOCK
ELEVATION
Y
SECTION
NOTES:
1. CONCRETE SHALL BE PLACED TO WITHIN
50 mm OF THE FACE OF THE BELL.
2. POLYETHYLENE BOND BREAKER TO BE USED
5. THIS BLOCKING DESIGN APPLIES WHERE THE
SOIL HAS A MINIMUM SOIL BEARING CAPACITY
BETWEEN CONCRETE AND FITTINGS.
OF 200 kPa.
3. THIS BLOCKING DESIGN APPLIES ONLY WHERE
6. ALL CONCRETE TO BE 20 MPa.
1035 kPa PRESSURE IS NOT EXCEEDED.
All dimensions are in millimetres unless otherwise shown.
7. ALL BOLTS AND NUTS SHALL BE
STAINLESS STEEL
ENGINEERING AND CONSTRUCTION SERVICES STANDARD DRAWING
CONCRETE THRUST BLOCKS
REV 1
APR 2013
T-1103.020
FOR VERTICAL BENDS
NTS
SHEET 1