【国外标准】 Standard Test Method for Detecting Delaminations in Bridge Decks Using Infrared Thermography
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2024-02-28
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标准简介
适用范围:
4.1 This test method may be used in conjunction with other test methods in determining the general condition of a bridge deck.4.2 Areas indicated as delaminated on overlaid bridge decks may be an indication of lack of bond between the overlay and the underlying bridge deck. This test method may be used in determining specific areas of delaminations requiring repair.1.1 This test method covers the determination of delaminations in portland-cement concrete bridge decks using infrared thermography. This test method is intended for use on exposed and overlaid concrete bridge decks.1.2 A Precision and Bias statement has not been developed at this time. Therefore, this standard should not be used for acceptance or rejection of a material for purchasing purposes.NOTE 1: This test method can be used on asphalt or concrete overlays as thick as 4 in. (100 mm).1.3 This test method uses an imaging infrared scanner and video recorder, mounted on a vehicle, to detect delaminations and debonded areas on bridge decks and to record the information.1.4 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.1.5 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.1.6 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.
标准号:
ASTM D4788-03(2022)
标准名称:
Standard Test Method for Detecting Delaminations in Bridge Decks Using Infrared Thermography
英文名称:
Standard Test Method for Detecting Delaminations in Bridge Decks Using Infrared Thermography标准状态:
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发布日期:
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