Standard Specification for Corrugated Aluminum Alloy Structural Plate for Field-Bolted Pipe, Pipe-Arches, and Arches

ABSTRACT
This specification covers corrugated aluminum alloy structural plate used in the construction of pipe, pipe-arches, arches, underpasses, box culverts, and special shapes for field assembly. The pipe, arches, and other shapes are generally used for drainage purposes, pedestrian and vehicular underpasses, and utility tunnels. Structural plates shall be fabricated from flat sheets or plates, corrugated, punched for bolted lap seams and curved to the required radius.
SCOPE
1.1 This specification covers corrugated aluminum alloy structural plate used in the construction of pipe, pipe-arches, arches, underpasses, box culverts, and special shapes for field assembly. Appropriate fasteners are also described. The pipe, arches, and other shapes are generally used for drainage purposes, pedestrian and vehicular underpasses, and utility tunnels. Aluminum box culvert shapes are covered in Specification B864/B864M.
1.2 This specification does not include requirements for bedding, backfill, or the relationship between earth cover load and plate thickness of the pipe. Experience has shown that the successful performance of this product depends upon the proper selection of plate thickness, type of bedding and backfill, controlled manufacture in the plant, and care in the installation. The purchaser must correlate the above factors and also the corrosion and abrasion requirements of the field installation with the plate thickness. The structural design of corrugated aluminum structural plate pipe and the proper installation procedures are given in Practices B790/B790M and B789/B789M, respectively. A procedure for using life-cycle cost analysis techniques to evaluate alternate drainage system designs using corrugated metal pipe is given in Practice A930.
1.3 The values stated in either inch-pound units or SI units are to be regarded separately as standard. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other.

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30-Apr-2012
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ASTM B746/B746M-02(2012) - Standard Specification for Corrugated Aluminum Alloy Structural Plate for Field-Bolted Pipe, Pipe-Arches, and Arches
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: B746/B746M −02 (Reapproved 2012)
Standard Specification for
Corrugated Aluminum Alloy Structural Plate for Field-Bolted
Pipe, Pipe-Arches, and Arches
This standard is issued under the fixed designation B746/B746M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.
A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope A153/A153M Specification for Zinc Coating (Hot-Dip) on
Iron and Steel Hardware
1.1 This specification covers corrugated aluminum alloy
A307 Specification for Carbon Steel Bolts and Studs, 60 000
structural plate used in the construction of pipe, pipe-arches,
PSI Tensile Strength
arches, underpasses, box culverts, and special shapes for field
A325 Specification for Structural Bolts, Steel, Heat Treated,
assembly. Appropriate fasteners are also described. The pipe,
120/105 ksi Minimum Tensile Strength
arches, and other shapes are generally used for drainage
A449 Specification for Hex Cap Screws, Bolts and Studs,
purposes, pedestrian and vehicular underpasses, and utility
Steel, Heat Treated, 120/105/90 ksi Minimum Tensile
tunnels. Aluminum box culvert shapes are covered in Specifi-
Strength, General Use
cation B864/B864M.
A563 Specification for Carbon and Alloy Steel Nuts
1.2 This specification does not include requirements for
A563M Specification for Carbon andAlloy Steel Nuts (Met-
bedding, backfill, or the relationship between earth cover load
ric)
and plate thickness of the pipe. Experience has shown that the
A930 Practice for Life-Cycle Cost Analysis of Corrugated
successful performance of this product depends upon the
Metal Pipe Used for Culverts, Storm Sewers, and Other
proper selection of plate thickness, type of bedding and
Buried Conduits
backfill, controlled manufacture in the plant, and care in the
B209 Specification for Aluminum and Aluminum-Alloy
installation.Thepurchasermustcorrelatetheabovefactorsand
Sheet and Plate
also the corrosion and abrasion requirements of the field
B209M Specification for Aluminum and Aluminum-Alloy
installation with the plate thickness. The structural design of
Sheet and Plate (Metric)
corrugated aluminum structural plate pipe and the proper
B221 Specification forAluminum andAluminum-Alloy Ex-
installationproceduresaregiveninPracticesB790/B790Mand
truded Bars, Rods, Wire, Profiles, and Tubes
B789/B789M, respectively. A procedure for using life-cycle
B221M Specification for Aluminum and Aluminum-Alloy
cost analysis techniques to evaluate alternate drainage system
Extruded Bars, Rods, Wire, Profiles, and Tubes (Metric)
designs using corrugated metal pipe is given in Practice A930.
B666/B666M Practice for Identification Marking of Alumi-
1.3 The values stated in either inch-pound units or SI units
num and Magnesium Products
are to be regarded separately as standard. The values stated in
B695 Specification for Coatings of Zinc Mechanically De-
each system are not exact equivalents; therefore, each system
posited on Iron and Steel
shall be used independently of the other.
B789/B789M Practice for Installing Corrugated Aluminum
Structural Plate Pipe for Culverts and Sewers
2. Referenced Documents
B790/B790M Practice for Structural Design of Corrugated
2.1 ASTM Standards:
Aluminum Pipe, Pipe-Arches, and Arches for Culverts,
Storm Sewers, and Other Buried Conduits
B864/B864M Specification for Corrugated Aluminum Box
This specification is under the jurisdiction of ASTM Committee B07 on Light Culverts
Metals and Alloys and is the direct responsibility of Subcommittee B07.08 on
E29 Practice for Using Significant Digits in Test Data to
Corrugated Aluminum Pipe and Corrugated Aluminum Structural Plate.
Determine Conformance with Specifications
Current edition approved May 1, 2012. Published June 2012. Originally
F467 Specification for Nonferrous Nuts for General Use
approved in 1989. Last previous edition approved in 2007 as B746/B746M–02
(2007). DOI: 10.1520/B0746_B0746M-02R12.
F467M Specification for Nonferrous Nuts for General Use
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
(Metric)
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
F468 Specification for Nonferrous Bolts, Hex Cap Screws,
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. and Studs for General Use
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
B746/B746M − 02 (2012)
F468M SpecificationforNonferrousBolts,HexCapScrews, 3.1.11 special shape—a shape, other than described else-
and Studs for General Use (Metric) where in this section, suitable for fabrication with structural
F568M Specification for Carbon and Alloy Steel Externally plate.
Threaded Metric Fasteners (Metric) (Withdrawn 2012)
3.1.12 structural plate—a corrugated and curved plate
F593 Specification for Stainless Steel Bolts, Hex Cap
whichisfieldassembledwithotherstructuralplatestoformthe
Screws, and Studs
required structure.
F594 Specification for Stainless Steel Nuts
3.1.13 vehicular underpass—a high arch shape with an
F738M Specification for Stainless Steel Metric Bolts,
approximate semicircular crown, large-radius sides, small-
Screws, and Studs
radius corners between sides and invert, and large-radius
F836M Specification for Style 1 Stainless Steel Metric Nuts
invert.
(Metric)
2.2 American National Standards:
4. Ordering Information
B18.2.1 Square and Hex Bolts and Screws, Inch Series
4.1 Orders for material under this specification shall include
B18.2.2 Square and Hex Nuts
the following information as necessary to adequately describe
B18.2.3.6M Bolts, Metric, Heavy Hex
the desired product:
B18.2.4.6M Hex Nuts, Heavy, Metric
4.1.1 Name of material (aluminum alloy structural plate and
accessories),
3. Terminology
4.1.2 Description of structure (see Section 3),
3.1 Definitions of Terms Specific to This Standard:
4.1.3 Number of structures,
3.1.1 arch—a part circle shape spanning an open invert
4.1.4 ASTM designation and year of issue, as B746–___ for
between the footings on which it rests.
inch-pound units or B746M–___ for SI units.
3.1.2 box culvert—a rectangular box with short-radius in
4.1.5 Dimensions of structure (diameter or span and rise,
upper corners and a long-radius crown. It can be with full
and length, etc.) (see 7.2),
invert or with footing pads.
4.1.6 Thickness of plate (see 7.1),
4.1.7 Type of bolts; whether aluminum, stainless steel, or
3.1.3 fabricator—the producer of the components for the
finished product. steel bolts are required or permitted. If not specified, steel bolts
and nuts shall be furnished (see 5.3 and Note 2),
3.1.4 flat plate—sheet or plate used to fabricate structural
4.1.8 End treatment (bevel, skew, grade or slope
plate.
corrections, or other special provision if required by theproject
3.1.5 manufacturer—the producer of the flat plate and
plans or specifications),
accessories.
4.1.9 Special requirements (including extrusion reinforce-
3.1.6 pipe—a conduit having full circular shape; also, in a
ment locations and shapes), if required, and
general context, all structure shapes covered by this specifica-
4.1.10 Certification, if required.
tion.
NOTE 1—Typical ordering descriptions are as follows: (1) Structural
3.1.7 pipe-arch—an arch shape with an approximate semi-
plates and fasteners for two aluminum alloy structural plate pipes, per
circular crown, small-radius corners, and large-radius invert.
ASTM B746–___, 180-in. dia., 0.100-in. plate thickness, each 140-ft
nominal centerline length with end treatment as shown on plans. (2)
3.1.8 pipe, horizontal ellipse—an elliptically shaped pipe
Structuralplatesandfastenersforonealuminumalloystructuralplatepipe
with the horizontal diameter approximately 20 % greater than
arch, per ASTM B746–___, 3860 mm span by 2460 mm rise, 3.81 mm
the nominal diameter. plate thickness, 27.0 m nominal centerline length with square ends.
3.1.9 pipe, vertically elongated—an elliptically shaped pipe
5. Materials
with the vertical diameter up to 10 % greater than the nominal
5.1 Flat Plate—Insofar as applicable, flat plate shall con-
diameter.
form to the requirements of Specification B209 or B209M.The
3.1.10 purchaser—the purchaser of the finished product.
plates shall be fabricated from alloy 5052-H141.The mechani-
cal properties for alloy 5052-H141 shall conform to the
requirements of Table 1.
The last approved version of this historical standard is referenced on
5.2 Extrusions—The extrusions for circumferential or lon-
www.astm.org.
Available from American National Standards Institute (ANSI), 25 W. 43rd St.,
gitudinal stiffeners, or secondary structural components, shall
4th Floor, New York, NY 10036, http://www.ansi.org.
A
TABLE 1 Mechanical Properties of Aluminum Structural Plate, Alloy 5052-H141
Tensile Strength, Yield Strength Elongation, %
Specified Thickness
min (0.2 % offset), min min in 2 in. or
in. mm ksi MPa ksi MPa 50 mm
0.100–0.150 2.54–3.81 35.5 245 24.0 165 6
0.175–0.250 4.44–6.35 34.0 235 24.0 165 8
A
To determine conformance with this specification, each value for tensile strength and for yield strength shall be rounded to the nearest 0.1 ksi (1 MPa) and each value
for elongation to the nearest 0.5%, both in accordance with the rounding method of Practice E29.
B746/B746M − 02 (2012)
TABLE 3 (B746M) Bolt and Nut Requirements
Bolts Nuts
General Dimensions ANSI B18.2.3.6M Heavy Hex ANSI B18.2.4.6M Heavy Hex
A
Steel Bolts and Nuts F568M Class 4.6 A563M Class 5
Zinc Coating A153/A153M or B695 Class 50 A153/A153M or B695 Class 50
Stainless Steel Bolts and Nuts F738M Alloy Group A1, A2, or A4 F836M Alloy Group A1, A2, or A4
Aluminum Bolts and Nuts F468M Alloy 6061-T6 F467M Alloy 6061-T6
Nominal Diameter, metric size M 20 M 20
A
Bolts through Class 8.8 with suitable nuts may be substituted.
TABLE 2 (B746) Bolt and Nut Requirements
Bolts Nuts
General Dimensions ANSI B18.2.1 Heavy Hex ANSI B18.2.2 Heavy Hex
A
Steel Bolts and Nuts A307 A563 Grade A
Zinc Coating A153/A153M or B695 Class 50 A153/A153M or B695 Class 50
Stainless Steel Bolts and Nuts F593 Alloy Group 1, 2, or 3 F594 Alloy Group 1, 2, or 3
Aluminum Bolts and Nuts F468 Alloy 6061-T6 F467 Alloy 6061-T6
3 3
Nominal Diameter, in. ⁄4 ⁄4
A
Bolts conforming to Specifications A325 or A449 with suitable nuts may be substituted.
TABLE 4 Corrugation Requirements
be fabricated from al
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