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ASTM F959-07a
Standard Specification for Compressible-Washer-Type Direct Tension Indicators for Use with Structural Fasteners (Includes all amendments And changes 12/31/2010).
Automaticky preložený názov:
Štandardné špecifikácie pre Stlačiteľná - Podložka - Type Priame napínacie indikátory pre použitie s štrukturálnymi Fasteners
NORMA vydaná dňa 1.12.2007
Informácie o norme:
Označenie normy: ASTM F959-07a
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.12.2007
Kód tovaru: NS-57074
Počet strán: 5
Približná hmotnosť: 15 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Anotácia textu normy ASTM F959-07a :
Keywords:
compressible-washer-type, direct tension indicators, DTI, indicators, Compressible washer-type indicators, Direct tension indicators (DTI), Fasteners (metal) specifications, Indicators, Structural building materials/applications specifications, Structural fasteners, Tensile properties/testing metallic materials, ICS Number Code 21.060.01 (Fasteners in general)
Doplňujúce informácie
| 1. Scope | ||||||||||||||||||||||||||||||||
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1.1 This specification covers the requirements for compressible-washer-type direct tension indicators capable of indicating the achievement of a specified minimum bolt tension in a structural bolt. 1.2 Four types of direct tension indicators in nominal diameter sizes ½ through 1 ½ in. are covered: 1.2.1 Type 325—direct tension indicators for use with Specification A 325 or F 1852 Type I bolts, nuts, and washers. 1.2.2 Type 325–3—direct tension indicators for use with Specification A 325 Type 3 bolts, nuts, and washers. 1.2.3 Type 490—direct tension indicators for use with Specification A 490 or F 2280 bolts, nuts, and washers. 1.2.4 Type 490–3—direct tension indicators for use with Specification A 490 Type 3 bolts, nuts, and washers. 1.3 Direct tension indicators are intended for installation under either a bolt head or a hardened washer. (See Research Council on Structural Connections: Specification for Structural Joints Using ASTM A 325 or A 490 Bolts.) 1.4 The following precautionary statement pertains only to the test method portions, Section 12 and Appendix X1 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 and health practices and determine the applicability of regulatory limitations prior to use. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||
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