디지털 사진 (digital image corellation, DIC) 지반 변형 측정

디지털 사진 (digital image corellation, DIC) 지반 변형 측정

영신컨설턴트 (02) 529 8803 ystcha@naver.com 2022 5

 

디지털 사진 기술에 의한 수직 수평방향 지반변형 측정

 

얕은 기초의 지반변형

(a)재하 전, (b)재하 후, (c)지반변형

Visualization of shallow foundation failure mechanism using digital image correlation between (a) unloaded reference image and (b) deformed loaded image captured through transparent side wall, resulting in © 지반변형 a visualization of full-field deformation.

 

파이프 변형

(a) 파이프 변형 DIC visualization of soil–structure interaction of physical model pipelines subjected to normal faulting. The deflected shape and curvature of the model pipeline placed at the glass window, shown as the half-rod section in part (b), was compared with an instrumented full-rod section in the centre of the model container (all dimensions in millimetres) (modified after Saiyar et al. 2011).

Comparison of curvature measured in full section of model pipeline in the middle of the plane strain model using strain gauges with that calculated from the filtered deflected shape of the half-model pipeline section measured at the plane of the transparent window using DIC (modified after Saiyar et al. 2011).

 

철도 궤도 진동

(a) 철도 궤도 진동 측정 DIC subsets defined on a frame of high-speed camera footage of a rail foundation system during the passage of a passenger train travelling at 118 km/h and

 

(b) DIC measurements of transient rail displacement (modified after Murray et al. 2015).