Flat-Jack Tests
The flat-jack test is a semi-destructive technique used to determine the stress state and mechanical behaviour of masonry.
It involves inserting a pressurisable metal pad into a cut made in the wall, allowing the measurement of existing stresses and deformations.
Two variants
The single flat-jack test, which assesses the existing stress, and the double flat-jack test, which enables the estimation of the elastic modulus and the load-bearing capacity of the masonry.
In-situ assessment
Allows in situ assessment of the stress state and mechanical properties of masonry with minimal intervention.
Reliable data
Provides reliable data for diagnostic, rehabilitation, and structural strengthening projects.
Low impact
A quick, cost-effective, and low-impact technique, ideal for existing and historic buildings.
Precise results
Delivers accurate and documented results, enhancing safety and confidence in engineering decisions.
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