Application of Digital Image Correlation and Geodetic Displacement Measuring Methods to Monitor Water Dam Behavior under Dynamic Load
PBN-AR
Instytucja
Wydział Mechatroniki (Politechnika Warszawska)
Informacje podstawowe
Główny język publikacji
en
Czasopismo
Journal of Civil Engineering and Architecture
ISSN
1934-7359
EISSN
1934-7367
Wydawca
David Publishing Company
DOI
Rok publikacji
2015
Numer zeszytu
12
Strony od-do
1496-1505
Numer tomu
9
Identyfikator DOI
Liczba arkuszy
0.5
Autorzy
(liczba autorów: 4)
Pozostali autorzy
+ 2
Autorzy przekładu
(liczba autorów przekładu: 0)
Słowa kluczowe
en
Hydrotechnical structure, structure dynamic load, engineering object displacement, geodetic displacement measurements, digital image correlation
Streszczenia
Język
en
Treść
This paper presents experiment results of the measurement conducted at the Ro��nów Dam power plant. For a course of starting and operating of turbo-plants, downstream face of the dam was monitored in relation to its eventual displacements on direction parallel to the construction axis. For the purpose of the experiment, geodetic measurement techniques and 2D DIC (digital image correlation) method (utilizing photographs of the object recorded with digital camera) were compared with regard to credibility, efficiency and accuracy. The vertical and horizontal displacements were monitored by tachometers measurements. The deformations in x-axis and y-axis on the wall surface was monitored by 2D DIC. It has been noticed that 2D DIC method is a surface method, continuous—not discreet. It allows for continuous observations of surface deformations, which is not possible in case of tachemetric measurements. Despite many advantages, the 2D DIC method lacks unambiguous evaluation of precision and relevance of designated displacements, which is rather significant for possibilities of utilization in technical control of large engineered objects. It should be also marked that the tachometric method is more reliable but is more laborious. Research of this type might comprise additional element for the assessment of the influence of dynamic loads, such as activating turbine water flow, onto the overall condition of the surveyed structure.
Inne
System-identifier
WUTf5ae97505a4540dba82c174974c37ed8
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