DYWIDAG Tie Rods

DYWIDAG Tie Rods
References
DYWIDAG Tie Rods for Military Wharf in Guam
i
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Owner US Navy, Naval Base Guam, USA +++ General Contractor Black Construction Corporation, Guam, USA +++ Architect-Engineer Wilson Okamoto Corporation, Honolulu, Hawaii, USA
DSI Unit DSI USA, BU Geotechnics, Long Beach, CA, USA
DSI Scope Supply of approx. 8,000 m (26,000 ft.) of Tie Rods with Polyken tape wrap
Contents
__________________________________________________
DYWIDAG Tie Rod Applications .................................................04
DYWIDAG Threadbar® Tie Rod Properties .............................06
Replacing A-36 Bars with DYWIDAG Threadbar®..................07
DYWIDAG Threadbar® Tie Rod Corrosion Protection ...........08
Short Tie Rod Connections .........................................................09
Additional
Geotechnical Products from DSI ...............................11
____________________________________________________________
3
DYWIDAG Threadbar® Tie Rod Applications
Typical Applications
4
Tie Back Retaining Wall
with Deadman
Foundation Tie Rods
Bracing for Grade Separation
Large Horizontal Load Resistance
Roof Structures
Tie Rods for Sheet Pile
Constructed Wharf
Roadway Embankment
Stabilization
DYWIDAG Threadbar® Tie Rod Applications
Tie Rods produced from DYWIDAG
THREADBAR® may be used for a
variety of marine applications.
­Construction of marine bulkheads for various docking facilities have,
for many years, benefited from the use of ­DYWIDAG Tie Rods. Facilities such as barge and ship docks as well as
offshore platforms have found
the system to be a cost effective
­alternative to large d
­ iameter A36
Tie Rods with upset threads.
Tie Rods produced from DYWIDAG
­ conomical
THREADBAR® offer various e
and technical advantages:
nEasy handling due to the coarse
thread over the entire length
nUp to almost 50% less weight than
A36 bars.
nNo threadability or assembly
­ roblems resulting from damaged
p
or dirty threads, because of the
rugged hot rolled coarse DYWIDAG
threadform.
nDYWIDAG Tie Rods can be ordered
slightly longer than necessary to
accommodate misalignments on
sheet piling. They can easily
be cut to the desired length
eliminating need to cut and re-weld
upset rods to accommodate length
changes.
5
DYWIDAG Threadbar® Tie Rod Properties
DYWIDAG Grade 75 (ASTM A615) Threadbar®
THREADBAR®
Designation
Maximum
THREADBAR®
Diameter
Yield Stress
Cross Section Area
Yield Load
(fy)
(As)
(fy x As)
Nominal Weight
[in]
[mm]
[in]
[mm]
[ksi]
[MPa]
[in²]
[mm²]
[kips]
[kN]
[lbs/ft]
[kg/m]
#6
#7
#8
#9
#10
#11
#14
#18
#20
#24
#28
19
22
25
29
32
36
43
57
63
75
90
0.86
0.99
1.12
1.26
1.43
1.61
1.86
2.50
2.72
3.18
3.68
22
25
28
32
36
41
47
64
69
81
94
75
75
75
75
75
75
75
75
80
75
75
517
517
517
517
517
517
517
517
552
517
517
0.44
0.60
0.79
1.00
1.27
1.56
2.25
4.00
4.91
7.06
9.62
284
387
510
645
819
1,006
1,452
2,581
3,168
4,555
6,207
33.0
45.0
59.3
75.0
95.3
117.0
168.8
300.0
393.0
529.5
721.5
147
200
264
334
424
520
751
1,335
1,748
2,355
3,209
1.50
2.04
2.67
3.40
4.30
5.31
7.65
13.60
16.91
24.09
32.79
2.23
3.04
3.97
5.06
6.40
7.90
11.38
20.24
25.16
35.85
48.79
Warning: Avoid Welding near A722 steel.
Note:Mill length = 60'-0" for #6 through #24 bars and 48'-0" for #28 bars
DYWIDAG Grade 150 (ASTM A722) Threadbar®
THREADBAR®
Designation
1"
1-1/4"
1-3/8"
* 1-3/4"
* 2-1/2"
* 3"
Maximum
THREADBAR®
Diameter
Ultimate Stress
Cross Section Area
Ultimate Load
(fu)
(As)
(fu x As)
Nominal Weight
[mm]
[in]
[mm]
[ksi]
[MPa]
[in²]
[mm²]
[kips]
[kN]
[lbs/ft]
[kg/m]
26
32
36
46
66
75
1.20
1.44
1.63
2.01
2.79
3.15
31
36
41
51
71
80
150
150
150
155
150
150
1,034
1,034
1,034
1,069
1,034
1,034
0.85
1.25
1.58
2.58
5.16
6.85
548
806
1,019
1,664
3,355
4,419
127.5
187.5
237.0
400.0
774.0
1,027.0
567
834
1,054
1,779
3,443
4,568
3.01
4.39
5.56
9.22
18.20
24.09
4.48
6.53
8.27
13.72
26.36
35.85
* Meets the strength requirements of the A 722.
Warning: Avoid Welding near A722 steel.
Note:Mill length = 60'-0" for 1", 1¼" and 1 " Threadbars and 45'-0" for 1¾", 2½" and 3" bars
Coupler and hexnut develop the full load of the bar ultimate load.
Standard or custom made wedge
washers are available for all sizes.
Bearing plates can be custom made
in any size and from steel material
6
conforming to ASTM A36 or ASTM A572 grade 50.
All bars and accessories can be
produced with double corrosion
protection, hot-dip galvanized, coal-tar
or fusion bonded epoxy coated.
Replacing A36 Round Bars with Threaded Ends to Equivalent DYWIDAG THREADBAR®
DYWIDAG THREADBAR® ASTM A615
A36
A36 BAR
[inches]
3/
4
1
1-1/4
1-1/2
1-3/4
2
2-1/4
2-1/2
2-3/4
3
3-1/4
3-1/2
3-3/4
[mm]
19
25
32
38
44
51
57
64
70
76
83
89
95
Tensile Stress
Area*
[in²]
0.33
0.61
0.97
1.41
1.90
2.50
3.25
4.00
4.93
5.97
7.10
8.33
10.11
[mm²]
215
391
625
910
1,226
1,613
2,097
2,581
3,181
3,852
4,581
5,374
6,523
Yield*
Strength
[kips]
12.0
21.8
34.8
50.7
68.4
90.0
117.0
144.0
177.0
214.9
255.6
299.9
364.0
[kN]
53
97
155
226
304
400
520
641
787
956
1,137
1,334
1,620
Nominal
Weight
[lbs/ft]
1.50
2.67
4.17
6.01
8.18
10.68
13.52
16.69
20.19
24.03
28.21
32.71
37.55
[kg/m]
2.2
4.0
6.2
8.9
12.2
15.9
20.1
24.8
30.1
35.8
42.0
48.7
55.9
Equivalent
THREADBAR®
Size
[mm/designation]
19 (#6) Grade 75
19 (#6) Grade 75
22 (#7) Grade 75
25 (#8) Grade 75
29 (#9) Grade 75
32 (#10) Grade 75
36 (#11) Grade 75
43 (#14) Grade 75
57 (#18) Grade 75
57 (#18) Grade 75
57 (#18) Grade 75
57 (#18) Grade 75
63 (#20) Grade 80
Yield Load
(fy x As)
[kips]
33.0
33.0
45.0
59.3
75.0
95.3
117.0
168.8
300.0
300.0
300.0
300.0
393.0
[kN]
147
147
200
264
334
424
520
751
1,335
1,335
1,335
1,335
1,748
Nominal
Weight
[lbs/ft]
1.50
1.50
2.04
2.67
3.40
4.30
5.31
7.65
13.60
13.60
13.60
13.60
16.70
[kg/m]
2.23
2.23
3.04
3.97
5.06
6.40
7.90
11.38
20.24
20.24
20.24
20.24
24.85
* Round bar with thread cut into bar. For comparison with upset ended tie rods use area of rod x 36 ksi to get yield strength
7
DYWIDAG Tie Rod Corrosion Protection
An important element in the long
term durability of a Tie Rod system is
­corrosion protection. DSI offers various
corrosion protection systems to meet on
site conditions and degree of exposure.
Possible solutions are:
nThe well known DYWIDAG Double
­ orrosion Protection (DCP) System.
C
Ideal for the most aggressive environments
nHot dip galvanizing in accordance
with ASTM A153
nFusion bonded epoxy coating per ASTM A775 or ATSM A934
nCoal tar epoxy
nPetroleum wax tape wrapping
nPolyken 980/955 tape coating system
DCP threadbar® - exposed section
DCP threadbar® - cross section area
Typical Permanent Tie Rod with Double Corrosion Protection (DCP)
(Highly Recommended for Permanent Applications in Agressive Enviroments)
Double C-Channels
Spiral Wrap Spacer
Concrete Deadman
Steel Pipe Welded to Bearing Plate
Protective Cap
Seal
Bearing Plate
Grease or Cement Grout
Sheet Pile
8
DYWIDAG Threadbar®
Factory Injected Cement Grout
Corrugated Plastic Sheath
Short Tie Rod Connection
Short bolts are needed to connect a
standard sheet pile wall or a modular
sheet pile wall to a load distributing
double channel beam. This can be done with DYWIDAG THREADBAR®.
DYWIDAG Tie Rods can also
be prestressed, to align sheet pile walls.
nWide range of accessories available
Features and advantages:
nAvailable with double corrosion
nContinuous coarse DYWIDAG thread
The required length of the bar depends
on the height of the sheet pile profile, the
width of the beam, the plate thickness
and the nut length.
protection system
nApproved by many construction
authorities worldwide
nCan be cut to any length
nConformance to ASTM A615
nWeldable accessories
and ASTM A722
nStock lengths up to 60 ft, but
can be cut to any lengths.
Double C-Channels
Bearing Plate
Hex Nut
Spacer Plate (optional)
Beam Support (optional)
Sheet Pile
9
References
Walker Road Canadian Pacific Railway
Temporary Railroad Diversion Structure in Windsor, Ontario
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Owner Canadian Pacific Railway +++ General Contractor FACCA Inc. 747 County Road, Ruscom, Ontario N0R 1R0 +++
Engineer MTO Contract 2007-3042 Walker Road CPR Grade Separation, Dillon Consulting / Facca Incorporated
DSI Unit DSI Canada Ltd., Eastern Division, Gormley, Canada
SUSPA-DSI Scope Supply of 1000 m of 63 mm diameter GEWI® Threadbar
Additional Geotechnical Products from DSI
(Downloadable versions available at www.dsiamerica.com)
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DYWI® Drill Hollow Bar Systems
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DYWIDAG Micropiles
11
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