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Abstract

The comparison of different procedures for measuring the mechanical parameters of solid masonry units is presented. The difficulties related to the use of classical measurement devices, such as strain gauges or displacement transducers, are highlighted. The principles of ESPI (Electronic Speckle Pattern Interferometry) are summarised and the use of optical interferometric method in comparison with common measuring techniques is discussed. The experimental results obtained show the effectiveness of this technique in the case of low stiffness materials and small specimens. The quantitative evaluation by ESPI measurements of the mechanical characteristics of solid softmud bricks is also proposed.

Additional information

Authors: MIRABELLA ROBERTI G, Politecnico di Milano (IT);BINDA L, Politecnico di Milano (IT);FACCHINI M, JRC Ispra (IT)
Bibliographic Reference: Paper presented: 4th International Masonry Conference, London (GB), October 23-25, 1995
Availability: Available from (1) as paper EN 39349 ORA
Record Number: 199511633 / Last updated on: 1995-12-12
Category: PUBLICATION
Original language: en
Available languages: en