TY - GEN
T1 - Long-term structural behavior of inner-city segmental tunnel linings investigated by an innovative structural monitoring
AU - Rauch, F.
AU - Fischer, O.
N1 - Publisher Copyright:
© 2023 The Author(s).
PY - 2023
Y1 - 2023
N2 - In the prognosis of internal forces in segmental tunnel linings engineers face major uncertainties. This is due to e.g. the complex load-bearing behavior and simplified assumptions in calculations. It leads to an unclear reliability of segmental linings, which is unfavorable especially in challenging loading conditions e.g. due to high-rise buildings in the vicinity of inner-city tunnels. Hence, a better insight into the real structural behavior and the actual internal forces is desirable. So far no standardized or well-established structural monitoring system exists for segmental linings. This is why a new innovative structural monitoring system for long-term measurements has been developed. The monitoring system is applied to the segmental linings of a newly build inner-city tunnel. The development process, the instrumentation and the functionality of the system are presented as well as measurement results. Finally, insights into the real structural behavior gained by the measurements are given and findings are discussed.
AB - In the prognosis of internal forces in segmental tunnel linings engineers face major uncertainties. This is due to e.g. the complex load-bearing behavior and simplified assumptions in calculations. It leads to an unclear reliability of segmental linings, which is unfavorable especially in challenging loading conditions e.g. due to high-rise buildings in the vicinity of inner-city tunnels. Hence, a better insight into the real structural behavior and the actual internal forces is desirable. So far no standardized or well-established structural monitoring system exists for segmental linings. This is why a new innovative structural monitoring system for long-term measurements has been developed. The monitoring system is applied to the segmental linings of a newly build inner-city tunnel. The development process, the instrumentation and the functionality of the system are presented as well as measurement results. Finally, insights into the real structural behavior gained by the measurements are given and findings are discussed.
UR - http://www.scopus.com/inward/record.url?scp=85160325175&partnerID=8YFLogxK
U2 - 10.1201/9781003348030-302
DO - 10.1201/9781003348030-302
M3 - Conference contribution
AN - SCOPUS:85160325175
SN - 9781003348030
T3 - Expanding Underground - Knowledge and Passion to Make a Positive Impact on the World- Proceedings of the ITA-AITES World Tunnel Congress, WTC 2023
SP - 2510
EP - 2518
BT - Expanding Underground - Knowledge and Passion to Make a Positive Impact on the World- Proceedings of the ITA-AITES World Tunnel Congress, WTC 2023
A2 - Anagnostou, Georgios
A2 - Benardos, Andreas
A2 - Marinos, Vassilis P.
PB - CRC Press/Balkema
T2 - ITA-AITES World Tunnel Congress, ITA-AITES WTC 2023 and the 49th General Assembly of the International Tunnelling and Underground Association, 2023
Y2 - 12 May 2023 through 18 May 2023
ER -