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Standard Practice for the Installation of Inductive Loop Detectors (Includes all amendments And changes 9/14/2018).
Automaticky přeložený název:
Standardní postupy pro instalaci z indukční smyčky detektory
NORMA vydána dne 1.7.2012
Označení normy: ASTM E2561-07a(2012)
Poznámka: NEPLATNÁ
Datum vydání normy: 1.7.2012
Kód zboží: NS-45607
Počet stran: 14
Přibližná hmotnost: 42 g (0.09 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
grounding, inductive loop, inductive loop detector, lead-in wire, lead-in cable, loop wire, sealant, splice, wire loop, ICS Number Code 93.080.30 (Road equipment and installations)
Significance and Use |
4.1 This practice provides a method for the in-road installation of an inductive loop detector that consists of wire loops, lead-in wires, and lead-in cable. The practice is intended for installing wires in saw cuts made in the roadway surface and not for installing preformed loops that may be encased in a protective enclosure such as plastic conduit. Typical components of an inductive loop detector system are illustrated in 1.1 This practice describes the recommended procedure for installing inductive loop detectors in sawed slots in roadway pavement for use as a traffic monitoring device or to actuate traffic control devices such as a traffic signal. Although the practice is not intended for installing preformed loops, the practice does contain information of value for this type of loop such as recommendations for the number of turns of loop wire, number and direction of twists in the lead-in wire and cable, splice location (if needed), and grounding options. 1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.3 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 to determine the applicability of regulatory limitations prior to use. |
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