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Design and implementation of stress measurement system for steel structures members

  • Harbin Institute of Technology Shenzhen
  • University of Surrey

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Non-destructive measurement of stress can provide an effective way to explore the service life and performance degradation status of steel structures. In this paper, a measurement system is designed and developed, which includes both hardware and software systems. The hardware system consists of three modules: signal transmitting, signal conversion and signal receiving. The software system consists of four modules: signal storage, signal de-noising, calibration of stress to acoustic time difference factor, and stress calculation. To examine the performance of the system, a group of axial forces are applied on two steel members and axial stresses are measured on designed system. The strain gauge method is used for verification. The results show that the designed system is reliable and agrees with the results from strain gauge method. It has high potential to be applied in the field stress evaluation to monitor the structure, from pre-operation stage to service operation stage.

Original languageEnglish
Title of host publicationMechanics of Structures and Materials
Subtitle of host publicationAdvancements and Challenges - Proceedings of the 24th Australasian Conference on the Mechanics of Structures and Materials, ACMSM24 2016
EditorsHong Hao, Chunwei Zhang
PublisherCRC Press/Balkem
Pages1755-1762
Number of pages8
ISBN (Print)9781138029934
StatePublished - 2017
Externally publishedYes
Event24th Australasian Conference on the Mechanics of Structures and Materials, ACMSM 2016 - Perth, Australia
Duration: 6 Dec 20169 Dec 2016

Conference

Conference24th Australasian Conference on the Mechanics of Structures and Materials, ACMSM 2016
Country/TerritoryAustralia
CityPerth
Period6/12/169/12/16

Keywords

  • Steel members
  • Stress measurement system
  • Stress non-destructive measurement
  • Structural health monitoring
  • Ultrasonic method

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