Metrological Perspective of Ultrasonic Pulse Velocity Measurement Technique

IF 1 4区 工程技术 Q4 INSTRUMENTS & INSTRUMENTATION
MAPAN Pub Date : 2024-07-08 DOI:10.1007/s12647-024-00763-0
Piyush, Sanjay Yadav, P. K. Dubey
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引用次数: 0

Abstract

The nondestructive testing of concrete structures by the measurement of Ultrasonic Pulse Velocity (UPV) is well known and widely used. Concrete is highly porous and attenuating material. Therefore, low-frequency ultrasonic propagation below 200 kHz is preferred for UPV measurement. UPV is estimated by accurately, measuring the transit time and sample travel path. Consequently, the accuracy of UPV estimation is affected by transit time measurement. Transit time is measured using either the counter method or the analog data acquisition method, both of which have different sources of errors. The counter method involves two sources of errors: crystal accuracy and threshold voltage comparison. Similarly, the data acquisition method also encompasses two sources of error: sampling rate and errors due to amplitude resolution of the analog-to-digital converter. This article is related to the analysis of errors and their degree of impact on the UPV measurement.

Abstract Image

Abstract Image

超声波脉冲速度测量技术的计量学视角
通过测量超声波脉冲速度(UPV)对混凝土结构进行无损检测已广为人知并得到广泛应用。混凝土是一种多孔性和衰减性很强的材料。因此,UPV 测量首选 200 kHz 以下的低频超声波传播。UPV 是通过精确测量传输时间和样品移动路径来估算的。因此,UPV 估值的准确性受传输时间测量的影响。过境时间的测量可采用计数器法或模拟数据采集法,这两种方法都有不同的误差来源。计数器法涉及两个误差源:晶体精度和阈值电压比较。同样,数据采集法也包含两个误差源:采样率和模数转换器振幅分辨率造成的误差。本文主要分析误差及其对 UPV 测量的影响程度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
MAPAN
MAPAN 工程技术-物理:应用
CiteScore
2.30
自引率
20.00%
发文量
91
审稿时长
3 months
期刊介绍: MAPAN-Journal Metrology Society of India is a quarterly publication. It is exclusively devoted to Metrology (Scientific, Industrial or Legal). It has been fulfilling an important need of Metrologists and particularly of quality practitioners by publishing exclusive articles on scientific, industrial and legal metrology. The journal publishes research communication or technical articles of current interest in measurement science; original work, tutorial or survey papers in any metrology related area; reviews and analytical studies in metrology; case studies on reliability, uncertainty in measurements; and reports and results of intercomparison and proficiency testing.
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