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Significance and Use
5.1 This test method provides a means of evaluating acoustic emissions generated by the rapid release of energy from localized sources within an aerial personnel device under controlled loading. The resultant energy releases occur during intentional application of a controlled predetermined load. These energy releases can be monitored and interpreted by qualified individuals.
5.2 This test method permits testing of the major components of an aerial personnel device under controlled loading. This test method utilizes objective criteria for evaluation and may be discontinued at any time to investigate a particular area of concern or prevent a fault from continuing to ultimate failure.
5.3 This test method provides a means of detecting acoustic emission sources that may be defects or irregularities, or both, affecting the structural integrity or intended use of the aerial personnel device.
5.4 Sources of acoustic emission found with this test method shall be evaluated by either more refined acoustic emission test methods or other nondestructive techniques (visual, liquid penetrant, radiography, ultrasonics, magnetic particle, etc.). Other nondestructive tests may be required to locate defects present in aerial personnel devices.
5.5 Defective areas found in aerial personnel devices by this test method should be repaired and retested as appropriate. Repair procedure recommendations are outside the scope of this test method.
1.1 This test method describes a procedure for non-destructive testing using acoustic emission (AE) testing for aerial personnel devices, which do not have a supplemental load handling attachment.
1.1.1 Equipment Covered—This test method covers the following types of vehicle-mounted insulated aerial personnel devices:
188.8.131.52 Extensible boom aerial personnel devices,
184.108.40.206 Articulating boom aerial personnel devices, and
220.127.116.11 Any combination of and .
1.1.2 Equipment Not Covered—This test method does not cover any of the following equipment:
18.104.22.168 Material-handling aerial devices,
22.214.171.124 Digger-derricks with platform, and
126.96.36.199 Cranes with platform.
1.2 The AE test method is used to detect and area-locate emission sources. Verification of emission sources may require the use of other nondestructive test (NDT) methods, such as radiography, ultrasonics, magnetic particle, liquid penetrant, and visual inspection. Warning—This test method requires that external loads be applied to the superstructure of the vehicle under test. During the test, caution must be taken to safeguard personnel and equipment against unexpected failure or instability of the vehicle or components.
Note 1: This test method is not intended to be a stand alone NDT method for the verification of the structural integrity of an aerial device. Other NDT methods should be used to supplement the results.
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.4 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
E94 Guide for Radiographic Examination
E114 Practice for Ultrasonic Pulse-Echo Straight-Beam Contact Testing
E164 Practice for Contact Ultrasonic Testing of Weldments
E569 Practice for Acoustic Emission Monitoring of Structures During Controlled Stimulation
E610 Terminology Relating to Acoustic Emission (Withdrawn 1991)
E650 Guide for Mounting Piezoelectric Acoustic Emission Sensors
E750 Practice for Characterizing Acoustic Emission Instrumentation
E976 Guide for Determining the Reproducibility of Acoustic Emission Sensor Response
E1444/E1444M Practice for Magnetic Particle Testing
F2174 Practice for Verifying Acoustic Emission Sensor Response
ANSI StandardANSI A92.2 Standard for Vehicle-Mounted Elevating and Rotating Aerial Devices Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
ASNT StandardASNT Recommended Practice SNT-TC-1A Available from American Society for Nondestructive Testing (ASNT), P.O. Box 28518, 1711 Arlingate Ln., Columbus, OH 43228-0518, http://www.asnt.org.
ICS Number Code 17.140.20 (Noise emitted by machines and equipment); 53.020.99 (Other lifting equipment)
ASTM F914 / F914M-15, Standard Test Method for Acoustic Emission for Aerial Personnel Devices Without Supplemental Load Handling Attachments, ASTM International, West Conshohocken, PA, 2015, www.astm.orgBack to Top