ROCK OR CONCRETE
WALL SURFACE
150
150
100
100
50
10 DIA HOLE FOR PASSING THROUGH
OF WIRE FOR NAIL LENGTH CHECKING
( WIRE NOT SHOWN FOR CLARITY )
500
50
MIN.
50
THIN NUT
150
100
> NA
IL HEA
D
>N
AIL
150 x 150 x 20 Tk
GMS PLATE
50
3B16 U-BARS BOTH WAYS
GRADE 30 / 20 CONCRETE OR
30 MPa SPRAYED CONCRETE
SOIL NAIL HEAD
TYPICAL SECTION OF SOIL NAIL HEAD
ON ROCK OR CONCRETE WALL SURFACE
500
200
150
500
200
150
150
NOTES:
150
1. ALL DIMENSIONS ARE IN MILLIMETRES.
2. THE CLEARANCE BETWEEN THE EDGE OF
CENTRAL HOLE AND NAIL STEEL BAR
SHALL BE LESS THAN 2 mm.
3. CONSTRUCTION OF SOIL NAIL HEAD SHALL BE
REFERRED TO PARTICULAR SPECIFICATIONS.
VIEW NORMAL TO SOIL NAIL HEAD
ON ROCK OR CONCRETE WALL SURFACE
4. B DENOTES GRADE 500B RIBBED REINFORCEMENT.
A
TITLE REVISED.
Original Signed
06.2015
-
FORMER DRAWING NO. C2522A.
DRAWING TITLE AND SUB-TITLE
AMENDED.
Original Signed
03.2015
REF.
TYPICAL DETAILS OF
SOIL NAIL
(SHEET 6 OF 8)
¤V¶u⁄{
REVISION
SIGNATURE DATE
CIVIL ENGINEERING AND
DEVELOPMENT DEPARTMENT
SCALE 1 : 10
DATE
JUNE 2009
DRAWING NO.
C2106 / 6A
We Engineer Hong Kong’s Development