ASTM F432-13
(Specification)Standard Specification for Roof and Rock Bolts and Accessories
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; cable bolt systems; expandable rock bolts 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 standard. No other units of measurement are included in this standard.
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.
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Designation:F432 −13
Standard Specification for
1
Roof and Rock Bolts and Accessories
ThisstandardisissuedunderthefixeddesignationF432;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* A416/A416M Specification for Steel Strand, Uncoated
Seven-Wire for Prestressed Concrete
1.1 This specification covers the chemical, mechanical, and
A536Specification for Ductile Iron Castings
dimensional requirements for roof and rock bolts and accesso-
A563Specification for Carbon and Alloy Steel Nuts
ries. Addressed in this specification are double-end threaded
A615/A615MSpecificationforDeformedandPlainCarbon-
and slotted steel bars; fully grouted bolts and threaded bars;
Steel Bars for Concrete Reinforcement
mechanical anchorage devices used for point anchorage appli-
A882/A882MSpecification for Filled Epoxy-Coated Seven-
cations; roof truss systems; partially grouted deformed bolts;
Wire Prestressing Steel Strand
formable anchorage devices; cable bolt systems; expandable
A1011/A1011MSpecification for Steel, Sheet and Strip,
rock bolts and other frictional anchorage devices. All of these
Hot-Rolled, Carbon, Structural, High-Strength Low-
products represent various designs used for ground support
Alloy, High-Strength Low-Alloy with Improved
systems. This specification can be revised to address new
Formability, and Ultra-High Strength
technologies.
A751Test Methods, Practices, and Terminology for Chemi-
1.2 Thevaluesstatedininch-poundunitsaretoberegarded
cal Analysis of Steel Products
asstandard.Nootherunitsofmeasurementareincludedinthis
D6637Test Method for Determining Tensile Properties of
standard.
Geogrids by the Single or Multi-Rib Tensile Method
1.3 This hazard statement applies only to Section 10, Test
D1248Specification for Polyethylene Plastics Extrusion
Methods of this specification. This standard does not purport Materials for Wire and Cable
to address the safety concerns, if any, associated with its use.
F436Specification for Hardened Steel Washers
It is the responsibility of the user of this standard to establish F606Test Methods for Determining the Mechanical Proper-
appropriate safety and health practices and determine the
ties of Externally and Internally Threaded Fasteners,
applicability of regulatory limitations prior to use. Washers, Direct Tension Indicators, and Rivets
3
2.2 ASME Standards:
2. Referenced Documents
B1.1Unified Screw Threads
2
2.1 ASTM Standards:
B1.3MScrew Thread Gaging Systems for Dimensional
A29/A29MSpecificationforGeneralRequirementsforSteel
Acceptability—Inch and Metric Screw Threads
Bars, Carbon and Alloy, Hot-Wrought
B18.2.2Square and Hex Nuts
A47/A47MSpecification for Ferritic Malleable Iron Cast-
ings
3. Terminology
A194/A194MSpecificationforCarbonandAlloySteelNuts
3.1 Definitions:
for Bolts for High Pressure or High Temperature Service,
3.1.1 barrel—a device housing normally either 2 or 3 piece
or Both
cable strand wedges
A220/A220MSpecification for Pearlitic Malleable Iron
3.1.2 bearing plates, plate washers, mine roof plates—
A370Test Methods and Definitions for Mechanical Testing
plates that serve to distribute the load from the exposed end of
of Steel Products
the bolt or threaded bar to the rock face or intermediate
member.
1
This specification is under the jurisdiction of ASTM Committee F16 on
3.1.2.1 header plates—largerectangularbearingplates,usu-
Fasteners and is the direct responsibility of Subcommittee F16.02 on Steel Bolts,
Nuts, Rivets and Washers.
ally 6 in. wide by 16 to 18 in. long, or any other shape with an
CurrenteditionapprovedMay1,2013.PublishedJuly2013.Originallyapproved
equivalent area, used in substitution for wooden header blocks
in1975.Lastpreviouseditionapprovedin2010asF432–10.DOI:10.1520/F0432-
13.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
3
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Available from American Society of Mechanical Engineers (ASME), ASME
Standards volume information, refer to the standard’s Document Summary page on International Headquarters, Three Park Ave., New York, NY 10016-5990, http://
the ASTM website. www.asme.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
F432−13
for wider distribution of the bolt load than is possible with 3.1.14 hardened washers—washersthathavebeenhardened
standard bearing plates. by heat treatment to provide consistency to the torque tension
relation necessary to control installation ten
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: F432 − 10 F432 − 13
Standard Specification for
1
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. A number in parentheses indicates the year of last reapproval. A superscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
1. 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; cable bolt systems; expandable rock bolts 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 standard. No other units of measurement are included in this
standard.
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.
2. Referenced Documents
2
2.1 ASTM Standards:
A29/A29M Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for
A47/A47M Specification for Ferritic Malleable Iron Castings
A194/A194M Specification for Carbon and Alloy Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both
A220/A220M Specification for Pearlitic Malleable Iron
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A416/A416M Specification for Steel Strand, Uncoated Seven-Wire for Prestressed Concrete
A536 Specification for Ductile Iron Castings
A563 Specification for Carbon and Alloy Steel Nuts
A615/A615M Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement
A882/A882M Specification for Filled Epoxy-Coated Seven-Wire Prestressing Steel Strand
A1011/A1011M Specification for Steel, Sheet and Strip, Hot-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-
Strength Low-Alloy with Improved Formability, and Ultra-High Strength
A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
D6637 Test Method for Determining Tensile Properties of Geogrids by the Single or Multi-Rib Tensile Method
D1248 Specification for Polyethylene Plastics Extrusion Materials for Wire and Cable
F436 Specification for Hardened Steel Washers
F606 Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, Direct
Tension Indicators, and Rivets
3
2.2 ASME Standards:
B 1.1 Unified Screw Threads
B 1.3M Screw Thread Gaging Systems for Dimensional Acceptability—Inch and Metric Screw Threads
B 18.2.2 Square and Hex Nuts
1
This specification is under the jurisdiction of ASTM Committee F16 on Fasteners and is the direct responsibility of Subcommittee F16.02 on Steel Bolts, Nuts, Rivets
and Washers.
Current edition approved May 1, 2010May 1, 2013. Published June 2010July 2013. Originally approved in 1975. Last previous edition approved in 20082010 as
F432 – 08.F432 –10. DOI: 10.1520/F0432-10.10.1520/F0432-13.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from American Society of Mechanical Engineers (ASME), ASME International Headquarters, Three Park Ave., New York, NY 10016-5990, http://
www.asme.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
F432 − 13
3. Terminology
3.1 Definitions:
3.1.1 barrel—a device housing normally either 2 or 3 piece cable strand wedges
3.1.2 bearing plates, plate washers, mine roof plates—plates that serve to distribute the load from the exposed end of the bolt
or threaded bar to the rock face or int
...
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