Comparisons are made between the well-known non destructive technique of flat-jack used in masonry and the recently introduced PNT_G penetrometer, best suited to in situ measurements of mortar strength. A method is proposed for determining the stress-strain response law of masonry walls subjected to vertical loads by means of PNT-G on mortar joints and axial tests on the blocks. The technique gives the best results in case of weak mortar respect to blocks
Comparison of non destructive in situ techniques for vertical load strength assessment in masonry walls
SASSU, MAURO;
1995-01-01
Abstract
Comparisons are made between the well-known non destructive technique of flat-jack used in masonry and the recently introduced PNT_G penetrometer, best suited to in situ measurements of mortar strength. A method is proposed for determining the stress-strain response law of masonry walls subjected to vertical loads by means of PNT-G on mortar joints and axial tests on the blocks. The technique gives the best results in case of weak mortar respect to blocksFile in questo prodotto:
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