Publication detail

Prestressed footbridge over Morava River in Kroměříž - strengthening, rehabilitation and measurement using geodetic method in combination with advanced optical methods

KLUSÁČEK, L. SVOBODA, A. BUREŠ, J.

Original Title

Prestressed footbridge over Morava River in Kroměříž - strengthening, rehabilitation and measurement using geodetic method in combination with advanced optical methods

Type

article in a collection out of WoS and Scopus

Language

English

Original Abstract

This paper describes the repair works on the footbridge over the Morava River in Kroměříž, which is of the same structural type (stressed ribbon) as the original footbridge in Prague-Troja, which collapsed in 2017 due to the break-age of corrosion-damaged prestressing reinforcement. The paper focuses on the process and results of the diagnos-tics of the structure, which resulted in the need for static reinforcement. It describes the design of the reinforcement using external cables and its structural representation. Further, it focuses on the structure rehabilitation, which was designed to stop or significantly reduce its degradation. It shows the design, installation and evaluation of the moni-toring system using sensors that measure transformation, temperature and moisture of the concrete. This system was designed to monitor the work of the contractor and it will allow a better prediction of the condition of the foot-bridge during its future service life. The proposed sensor array was combined with geodetic measurements as well as with advanced monitoring based on image analysis, which allowed logical control of the sensors in relation to the effects of the bridge structure. The monitoring of the verification load test using image analysis is particularly prom-ising because of its relatively low cost, simplicity of application and the measured data processing automation.

Keywords

structural strengthening; rehabilitation of pedestrian footbridge; additional prestressing; monitoring; diagnostics; prestressing reinforcement; corrosion

Authors

KLUSÁČEK, L.; SVOBODA, A.; BUREŠ, J.

Released

6. 9. 2022

Publisher

Technische Akademie Esslingen e. V.

Location

Esslingen

ISBN

978-3-8169-3549-0

Book

5. Brückenkolloquium

BibTex

@inproceedings{BUT179048,
  author="Ladislav {Klusáček} and Adam {Svoboda} and Jiří {Bureš}",
  title="Prestressed footbridge over Morava River in Kroměříž - strengthening, rehabilitation and measurement using geodetic method in combination with advanced optical methods",
  booktitle="5. Brückenkolloquium",
  year="2022",
  publisher="Technische Akademie Esslingen e. V.",
  address="Esslingen",
  isbn="978-3-8169-3549-0"
}