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ASTM F432-19
Standard Specification for Roof and Rock Bolts and Accessories
Translate name
STANDARD published on 1.12.2019
The information about the standard:
Designation standards: ASTM F432-19
Publication date standards: 1.12.2019
SKU: NS-993198
The number of pages: 22
Approximate weight : 66 g (0.15 lbs)
Country: American technical standard
Category: Technical standards ASTM
The category - similar standards:
Bolts, screws, studsEarthworks. Excavations. Foundation construction. Underground works
Annotation of standard text ASTM F432-19 :
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.
Keywords:
bolts, roof and rock and accessories, rock bolts, roof bolts,, ICS Number Code 21.060.10 (Bolts, screws, studs), 93.020 (Earth works. Excavations. Foundation construction. Underground works)
Additional information
| 1. Scope | ||||||||||||||||||||||||||||||||||||||
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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 bars; fully grouted bolts and threaded bars; mechanical anchorage devices used for point anchorage applications; roof truss systems; partially grouted deformed bolts; bearing plates; 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 all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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