Article / članak 15

An overview of methods for determining the impact of vibrations from tramway vehicles on nearby buildings

Pregled metoda za određivanje utjecaja vibracija od prometovanja tramvajskih vozila na okolne građevine

authors / autori
Krešimir Burnać, doc. dr. sc. Ivo Haladin

DOI
https://doi.org/10.5592/CO/PhDSym.2022.15

keywords / ključne riječi
vibrations, tramway traffic, buildings, optimization, maintenance
vibracije, tramvajski promet, građevine, optimizacija, održavanje

page range in publication / raspon stanica
187 → 199

publish date / datum publikacije
9/4/2020

abstract / sažetak
Vibrations from tramway operations can potentially cause discomfort for the building residents and occupants and can be dangerous for buildings themselves because of their proximity to the tramway track. Big part of the Zagreb tramway traffic network is located within the historic city centre, at some locations distanced less than 7 meters away from the buildings. Since earthquake in 2020 this issue is even more relevant, and it is processed in detail in this paper. There is also an emphasis on previous research containing a few different measurements (on the tramway track, tramway vehicle and buildings) as a foundation for more detailed research in the future. The purpose of the vibration measurements is to build a model that would define parameters that are connected to different tramway vehicles and tram track. Also, it could predict the change of vibration levels in time, their propagation through the soil as well as the impact of vibrations on the surrounding buildings. That kind of model would serve as a direct indicator and an input to the tramway network operator on how to optimise the needed interventions on the track and in that way additionally lower maintenance costs and increase living standard in the cities.
Zbog blizine tramvajskog kolosijeka, vibracije koje nastaju prilikom prolaska tramvajskog vozila izazivaju nelagodu osobama koje rade i borave u okolnim građevinama, a mogu imati štetan utjecaj i na same građevine. Mreža tramvajskih kolosijeka u gradu Zagrebu svojim velikim dijelom prolazi kroz uži centar grada gdje su na nekim mjestima udaljenosti kolosijeka od obližnjih građevina manje od 7 metara. Nakon potresa 2020. ova problematika još je od većeg značaja te se ona obrađuje u ovom radu. U radu su opisana i prethodna istraživanja koja sadrže više različitih metoda mjerenja (na kolosijeku, tramvajskom vozilu i zgradama) kao temelj za detaljnija istraživanja. Svrha mjerenja je uspostava modela koji bi definirao parametre (koji utječu na razine vibracija) vezane za različita tramvajska vozila i kolosijek, predviđao kretanje razina vibracija u vremenu i njihovo širenje kroz okolno tlo te na koji način takve vibracije utječu na okolne građevine. Takav model bio bi direktni indikator i uputa upravitelju tramvajske infrastrukture kako optimizirati potrebne radove na održavanju i na taj način dodatno smanjiti troškove održavanja mreže.