Results 1 to 10 of about 8,096 (259)

Remote Bridge Deflection Measurement Using an Advanced Video Deflectometer and Actively Illuminated LED Targets [PDF]

open access: yesSensors, 2016
An advanced video deflectometer using actively illuminated LED targets is proposed for remote, real-time measurement of bridge deflection. The system configuration, fundamental principles, and measuring procedures of the video deflectometer are first ...
Long Tian, Bing Pan
doaj   +4 more sources

Full-Field Bridge Deflection Monitoring with Off-Axis Digital Image Correlation [PDF]

open access: yesSensors, 2021
Video deflectometer based on using off-axis digital image correlation (DIC) has emerged as a robust non-contact optical tool for deflection measurements of bridges.
Long Tian   +3 more
doaj   +2 more sources

A Plastic Optical Fiber Sensing System for Bridge Deflection Measurement [PDF]

open access: yesSensors, 2020
Deflection is one of the key parameters that reflects the state of a bridge. However, deflection measurement is difficult for a bridge that is under operation.
Dong Yang   +3 more
doaj   +2 more sources

AI-Enhanced IoT System for Assessing Bridge Deflection in Drive-By Conditions [PDF]

open access: yesSensors
The increasing traffic on roads poses a significant challenge to the structural integrity of bridges and viaducts. Indirect structural monitoring offers a cost-effective and efficient solution for monitoring multiple infrastructures.
Leonardo Iacussi   +2 more
doaj   +2 more sources

A Bridge Deflection Monitoring System Based on CCD

open access: yesAdvances in Materials Science and Engineering, 2016
For long-term monitoring of the midspan deflection of Songjiazhuang cloverleaf junction on 309 national roads in Zibo city, this paper proposes Zhang’s calibration-based DIC deflection monitoring method.
Baohua Shan   +4 more
doaj   +2 more sources

Influence of Cracking on Deflections of Concrete Box Girder Bridges

open access: yesThe Baltic Journal of Road and Bridge Engineering, 2012
The problem of cracking and long-term deflection in larger-span prestressed concrete box girder bridges exists throughout the world and has restricted the development of long-span concrete bridges to some extent.
Chao Liu, Dong Xu
doaj   +3 more sources

Analysis on the Influence Factors of Construction Linear Control of Continuous Rigid Structure Bridge [PDF]

open access: yesE3S Web of Conferences, 2021
In order to study the influence of prestress on cantilever deflection and construction linear control of continuous rigid frame bridge in construction stage, this paper introduces the significance of continuous rigid frame bridge’s linear control, the ...
Liu Yang   +5 more
doaj   +1 more source

Analysis of Key Technologies of Bridge Damage Detection Based on Visual Recognition [PDF]

open access: yesE3S Web of Conferences, 2021
In the identification of bridge damage in the series of deflection-affecting lines, noise signals due to axle coupling often occur. Removing these noise signals has become a key technique for effectively identifying damage. Taking the main line bridge of
Xixue Tan   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy