Table
1.
Slickline/Dropline
Life
Cycle
Summaries
(After
Berberick
2019
(11)
[4,
5]
Masse
et
al.
2014
(12)
[1]
Provost
1972
(13)
[2,
3]
Sacrison
&
Roberts
2001
(1)
[6
–
9]
Watson
&
Keskimaki
1992
(14)
[2,
3])
No.
Mine
Shaft/ borehole
Pipe
Type
Length
Diameter
Material
Wet/ Dry
Initial Failure Tonnage
Final Failure Tonnage
Failure Cycles/ Status
Tons/ Cycle
Failed Column, Percent
Characteristic
Initial
Failure Mechanism
1
Afton
BG
Steel: Induction Hardened
600
m (1,970)
150
mm
(6
in) Sch80
cc/sc
W
63,700 (70,200)
63,700 (70,200)
1 Not
in service
63,700 (70,200)
100
Grouted
in
place,
folded inward
2
Henderson
Shaft
Steel:
CS
700–884
m (2,300–
2,900
ft)
203
mm (Sin) Sch80
sc
W
NA
NA
NA
Lowermost
sticks
replaced
3
Henderson
Shaft
Steel:
CS
700–884
m (2,300–
2,900
ft)
203
mm (Sin) Sch80
cc
W
NA
NA
NA
Lowermost
sticks
replaced
4
Lucky Friday
Shaft
Steel:
CS
1,890
m (6,200 ft)
150
mm
(6
in) Sch80
cemented sandfill
W
Replace
sweeps
ea.
yr.
5
Lucky Friday
BCS
Steel:
CS
1,505
m (4,940 ft)
150
mm
(6
in) Sch80
see
W
7,400 (8,100)
8
Lower
and remove
6
Meikle
Shaft
Steel
A: Bhn600, Double-walled
256
m
(840
ft)
300
mm
(12
in) Sch80
Agg
51 mm
(2
in)
D
81,600 (90,000)
606,800 (668,400)
8
Not
in service
75,800 (83,600)
100
Impact
on
ports,
joints
7
Meikle
Shaft
Steel
B: Bhn600, Induction Hardened
256
m (840
ft)
300
mm
(12
in) Sch80
Agg
51 mm
(2
in)
D
102,700 (113,200)
102,700 (113,200)
1
In
Use
102,700 (113,200)
25
Impact
on joints
8
Meikle
Shaft
Basalt
Tile
256
m
(840
ft)
300
mm
(12
in) Sch80
Agg
51 mm
(2
in)
D
61,600 (67,900)
463,800 (511,200)
3
In
Use
154,600 (170,400)
25
Impact
on expansion joints
9
Meikle
Shaft
Ceramic/Epoxy
256
m
(840
ft)
300
mm
(12
in) Sch80
Agg
51 mm
(2
in)
D
423,500 (466,900)
423,500 (466,900)
1 Not
in service
423,500 (466,900)
60
Plucking
and scouring
Notes:
In
Use
refers
to
at
time
of
reporting
cc:
concrete,
typ
19
mm
(3/4")
sc:
shotcrete,
typ
10
mm
(3/8")
SCC:
self
consolidating
concrete
BG
-
Borehole
grouted
in
place
BCS
-Borehole
collar-suspended
Shaft
-
Shaft
mounted
18