Zhōngguó
Pусский
English
Français
Español
About Tunnelling
Why
go underground
How
to go underground
Use
of underground spaces
Case
Histories
Main glossary
Pay line
Search for glossary terms (regular expression allowed)
Begin with
Contains
Exact term
Sounds like
All
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Term
Definition
Pay line
The line or
tunnel
section which constitues limits of payment for excavation and concrete
lining
.
Overbreak
is any excavation beyond the
pay line
, and overrun is any excess concrete placed beyond the pay line.