Laser speckle correlation for monitoring building stone efflorescences

被引：2
|
作者：
Spagnolo, GS
Paoletti, D
机构：
[1] Dipartimento di Energetica, Università di L'Aquila, 67040 Roio Poggio (AQ), Località Monteluco di Roio
来源：
JOURNAL OF OPTICS-NOUVELLE REVUE D OPTIQUE | 1996年 / 27卷 / 03期
关键词：
speckle; decorrelation;
D O I：
10.1088/0150-536X/27/3/007
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Salt weathering affects rocks, building stones, mortars, bricks and paintings. The aim of this paper is to present a digital speckle system that allows to study efflorescence mechanisms on stone samples and, at the same time, to measure the damage due to salt crystals accumulated inside the material. Some tests have been performed on quarry samples with characteristics similar to those of some ancient artifacts of L'Aquila, submitted to accelerated salt crystallisation (NaCl) cycles; preliminary experiments have been effected.
引用
收藏
页码：133 / 137
页数：5
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