ASTM F432-04

Standard Specification for Roof and Rock Bolts and Accessories

ABSTRACT
This specification covers the chemical, mechanical, and dimensional requirements for roof and rock bolts and accessories. Addressed in this specification are double-end threaded and slotted steel bars; fully grouted bolts and threaded bars; mechanical anchorage devices used for point anchorage applications; roof truss systems; partially grouted deformed bolts; formable anchorage devices; and other frictional anchorage devices. All of these products represent various designs used for ground support systems. Threads on bolts or threaded bars may be cold rolled or machine cut on the hot-rolled bars. Bearing and header plates may be strengthened by cold forming or may be hardened by quenching in a liquid medium from above the austenitizing temperature and tempering. Hardened steel washers shall be through hardened by quenching in a liquid medium from above the austenitizing temperature and tempering. Test shall be performed in accordance with the following test methods: tensile strength; elongation; test for bearing and header plates; test for notched bendable bolts; and tests of roof truss components.
SCOPE
1.1 This specification covers the chemical, mechanical, and dimensional requirements for roof and rock bolts and accessories. Addressed in this specification are double-end threaded and slotted steel bars; fully grouted bolts and threaded bars; mechanical anchorage devices used for point anchorage applications; roof truss systems; partially grouted deformed bolts; formable anchorage devices; and other frictional anchorage devices. All of these products represent various designs used for ground support systems. This specification can be revised to address new technologies.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 This hazard statement applies only to Section 10, Test Methods of this specification. This standard does not purport to address the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

• Status: Historical
• Publication Date: 31-Jul-2004
• ICS: 21.060.10 - Bolts, screws, studs
• ICS: 93.020 - Earthworks. Excavations. Foundation construction. Underground works
• Technical Committee: F16 - Fasteners
• Drafting Committee: F16.02 - Steel Bolts, Studs and Nuts

Relations

• Replaces: ASTM F432-95(2001) - Standard Specification for Roof and Rock Bolts and Accessories
• Effective Date: 01-Aug-2004
• Replaced By: ASTM F432-08 - Standard Specification for Roof and Rock Bolts and Accessories
• Effective Date: 01-Dec-2008
• Referred By: ASTM F1789-22 - Standard Terminology for F16 Mechanical Fasteners
• Effective Date: 01-Aug-2004

Standards Content (Sample)

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: F 432 – 04
Standard Specification for
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Roof and Rock Bolts and Accessories
This standard is issued under the fixed designation F432; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* A568/A568M Specification for Steel, Sheet, Carbon, and
High-Strength, Low-Alloy, Hot-Rolled and Cold-Rolled,
1.1 This specification covers the chemical, mechanical, and
General Requirements for
dimensional requirements for roof and rock bolts and accesso-
A 615/A 615M Specification for Deformed and Plain
ries. Addressed in this specification are double-end threaded
Billet-Steel Bars for Concrete Reinforcement
and slotted steel bars; fully grouted bolts and threaded bars;
A 751 Test Methods, Practices, and Terminology for
mechanical anchorage devices used for point anchorage appli-
Chemical Analysis of Steel Products
cations; roof truss systems; partially grouted deformed bolts;
D1248 Specification for Polyethylene Plastics Extrusion
formable anchorage devices; and other frictional anchorage
Materials for Wire Cable
devices. All of these products represent various designs used
F436 Specification for Hardened Steel Washers
for ground support systems. This specification can be revised
F606 Test Methods for Determining the Mechanical Prop-
to address new technologies.
erties of Externally and Internally Threaded Fasteners,
1.2 Thevaluesstatedininch-poundunitsaretoberegarded
Washers, and Rivets
as the standard. The values given in parentheses are for
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2.2 ASME Standards:
information only.
B1.1 Unified Screw Threads
1.3 This hazard statement applies only to Section 10, Test
B1.3M Screw Thread Gaging Systems for Dimensional
Methods of this specification. This standard does not purport
Acceptability—Inch and Metric Screw Threads
to address the safety concerns, if any, associated with its use.
B18.2.2 Square and Hex Nuts
It is the responsibility of the user of this standard to establish
appropriate safety and health practices and determine the
3. Terminology
applicability of regulatory limitations prior to use.
3.1 Definitions:
2. Referenced Documents 3.1.1 bearing plates, plate washers, mine roof plates—
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plates that serve to distribute the load from the exposed end of
2.1 ASTM Standards:
the bolt or threaded bar to the rock face or intermediate
A29/A29M SpecificationforSteelBars,CarbonandAlloy,
member.
Hot-Wrought, General Requirements for
3.1.1.1 header plates—large rectangular bearing plates,
A47/A47M Specification for Ferritic Malleable Iron Cast-
usually 6 in. (152 mm) wide by 16 to 18 in. (406.4 to 457.2
ings
mm) long, or any other shape with an equivalent area, used in
A194/A194M Specification for Carbon and Alloy Steel
substitutionforwoodenheaderblocksforwiderdistributionof
Nuts for Bolts for High-Pressure or High-Temperature
the bolt load than is possible with standard bearing plates.
Service, or Both
3.1.2 bendable bolts—bolts furnished with an altered sec-
A220 Specification for Pearlitic Malleable Iron
tionatsomelocation,tobespecifiedbythecustomer,atwhich
A370 TestMethodsandDefinitionsforMechanicalTesting
the bar will bend.
of Steel Products
3.1.2.1 Discussion—Bending is necessary to permit instal-
A536 Specification for Ductile Iron Castings
lationofbarslongerthanthemineopeningheight.Thisaltered
A563 Specification for Carbon and Alloy Steel Nuts
sectionmaybeproducedbyhotorcoldforging,orbyshearing,
sawing, trimming, machining, grinding, or a combination of
these processes.
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This specification is under the jurisdiction of ASTM Committee F16 on
3.1.3 beveledwashers—washerswhosefacesareatanangle
Fasteners and is the direct responsibility of Subcommittee F16.02 on Steel Bolts,
permitting a headed bolt or threaded bar to be installed at a
Nuts, Rivets, and Washers.
Current edition approved Aug. 1, 2004. Published August 2004. Originally slight angle to the rock face and yet maintained the face of the
approved in 1975. Last previous edition approved in 2001 as F432–95(2001).
bolt head perpendicular to the bolt axis.
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
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Standards volume information, refer to the standard’s Document Summary page on Available from American Society of Mechanical Engineers (ASME), ASME
the ASTM website. International Headquarters, Three Park Ave., New York, NY 10016-5990.
*A Summary of Changes section appears at the end of this standard.
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