METHOD FOR ANALYZING PRESENT STATE OF BUILDING PARTICULARLY PROPER TO CHARACTERIZING OF LARGE SURFACE

The invention is based on the problem of ascertaining qualitative and quantitative values for determining the status of a building, by optical processes. According to the invention, spectral photographic images of the structure under investigation are recorded and, if necessary, photometric and sens...

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Bibliographische Detailangaben
Hauptverfasser:	RORUFU HERUGERUTO, BUERUNAA SHIYUPORUBERUTO, MANFURETSUTO SHIYORUTSU, YOAHIMU KUREEMAA, PEETERU RUDORUFU, ZETSUBU SHIYUBUAABE, HARUTOMUUTO BAUMUBATSUHA, NIKORAUSU REGUUTOKE
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE CINEMATOGRAPHY ELECTROGRAPHY FIXED CONSTRUCTIONS FORMS HANDLING BUILDING MATERIALS ON THE SITE HOLOGRAPHY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHOTOGRAPHY PHYSICS REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS SCAFFOLDING SHUTTERING TESTING
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Beschreibung
Zusammenfassung:	The invention is based on the problem of ascertaining qualitative and quantitative values for determining the status of a building, by optical processes. According to the invention, spectral photographic images of the structure under investigation are recorded and, if necessary, photometric and sensitometric measurements are made in limited spectral ranges while the structure is illuminated either naturally or artificially. The resultant images are then evaluated. By the expedient choice of location of the spectral ranges and areas photographed, areas of a specific building condition emerge visually more clearly than would otherwise be normal on the structures under examination and these areas are characterised by different building material composition (e.g. concrete, mortar) or areas of differing humidity, impregnation with hydrocarbons or salts and by their surface consistency.