TAN 31- STONEMASONRY MATERIALS AND SKILLS

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TAN 31: STONEMASONRY SKILLS AND MATER1ALS:A methodology to survey sandstone building facades

Fig 14 Diamond core drilling to extract small-diameter plug ofstonejom damaged masonry (Photo: BGSONERC)

Fig 15 Detail ofsandstone core showing decay in the outerfew centimeters (Photo: BGSONERC)


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