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Design and implementation of stress measurement system for steel structures members

He, JB, Li, ZH, Teng, J and Wang, Y (2016) Design and implementation of stress measurement system for steel structures members In: 24th Australasian Conference on the Mechanics of Structures and Materials, 2016-12-06 - 2016-12-09, Perth, Western Australia.

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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.

Item Type: Conference or Workshop Item (Conference Paper)
Subjects : Civil Engineering
Divisions : Faculty of Engineering and Physical Sciences > Civil and Environmental Engineering
Authors :
NameEmailORCID
He, JBUNSPECIFIEDUNSPECIFIED
Li, ZHUNSPECIFIEDUNSPECIFIED
Teng, JUNSPECIFIEDUNSPECIFIED
Wang, YUNSPECIFIEDUNSPECIFIED
Date : 2016
Depositing User : Symplectic Elements
Date Deposited : 07 Nov 2016 11:54
Last Modified : 31 Oct 2017 18:54
URI: http://epubs.surrey.ac.uk/id/eprint/812768

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