The role of geotechnical risks in transport infrastructure assetmanagement in a changing climate
Başlık çevirisi mevcut değil.
- Tez No: 795114
- Danışmanlar: DR. ANA HEİTOR
- Tez Türü: Yüksek Lisans
- Konular: Coğrafya, İnşaat Mühendisliği, Geography, Civil Engineering
- Anahtar Kelimeler: Belirtilmemiş.
- Yıl: 2022
- Dil: İngilizce
- Üniversite: University of Leeds
- Enstitü: Yurtdışı Enstitü
- Ana Bilim Dalı: Belirtilmemiş.
- Bilim Dalı: Belirtilmemiş.
- Sayfa Sayısı: 104
Özet
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Özet (Çeviri)
Transport infrastructure asset management is challenging owing to financial constraints and rising demand, and it is becoming more so as a result of climate change. The purpose of this research is to review the current asset management framework for highway infrastructures while taking geotechnical risks into account, and to determine if it is appropriate for performance gaps brought on by changing climate. Additionally, the aim is to provide a straightforward but practical proactive approach for London Orbital Motorway (M25) in response to shifting climatic and environmental circumstances. Increasing temperatures and shifting rainfall patterns, which are key signs of a changing climate, can be considered as triggered factors on geotechnical risks in transportation infrastructure. This is the reason why conventional asset management techniques need to be enhanced in order to cope with these challenging circumstances. The National Highways and Met Office datasets are utilised to present this enhancement. The National Highways database is used to export information of the M25's rock formation as well as records of geotechnical failures including slope instability and subsidence that happened there between 2015 and 2021. The precipitation and temperature records on the times of the related failures occurred are taken from the Met Office's database. Therefore, it is questioned that if there is a relationship between the quantity of failure, weather condition, and the geology. The results show that during periods of rapid precipitation and hot temperatures, tension crack, slope bulge, slip, and subsidence failures are more likely to occur in portions of the M25 motorway where the rock formation is the Thames group. Additional risks brought on by the changing climate to the M25 motorway can be detected and addressed if required care is given where the Thames group is the main rock formation during periods of rapid precipitation and high temperatures in order to prevent the aforementioned geotechnical problems.
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