Abstract
Numerous theoretical as well as experimental investigations are inevitable to guarantee the durability of the stone surface of the sandstone dome of the Frauenkirche (Church of Our Lady). This paper describes a first series of experimental tests of various joint designs with the appropriate joint materials being used. The investigation concentrates on a two-stone solid that is subjected to freeze-thaw-cycling stresses. This report informs about specimen geometry, weathering programmes, applied measurement devices and techniques, forms of joint failure and the test evaluation. Finally an overview of further investigations is given.
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