UNIVERSITY HASSAN FIRST ARCHITECTURE, ENGINEERING & CONSTRUCTIONcan cause compressive stresses to form between block joints.” The result can be cracking and even crushing of the legacy brick and mortar adjacent to the newly repaired surfaces, ultimately causing more harm than good to the original structure. That’s where Dr. Fassi’s innovative mindset has come into play. Recognizing the problems encountered during restoration of historic buildings, he began researching ways to reduce the negative effects of stress shielding several years ago. One of his first tasks was collection of legacy material to perform baseline physical and mechanical testing. But he soon found that extraction of sufficient material for analysis can be a roadblock when dealing with sensitive archaeological

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