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Shallow tunnels in sand, particularly those with square cross-sections, are highly vulnerable to seismic activity. Increased depth can lead to higher seismic-induced loads, such as increased hoop forces and bending moments, due to interaction with the surrounding soil.

His work heavily utilizes and finite element analysis (FEA) to understand structural behavior during earthquakes. 1. Seismic Behavior of Tunnels ulascilingir

Studies indicate that TDA, when used as a compressible layer, can be effective in reducing overburden loads on buried structures, though it may also cause additional acceleration amplification at the surface. 3. Key Methodology: Centrifuge Modelling Shallow tunnels in sand, particularly those with square

Based on the search results, Ulas Cilingir is a Senior Geotechnical Engineer and PhD researcher specializing in seismic soil-structure interaction, particularly regarding underground structures like tunnels, anchored sheet pile walls, and offshore monopiles. Key Methodology: Centrifuge Modelling Based on the search

Fully coupled FE simulations are essential to capture the non-linear behaviour of soil, especially when evaluating permanent deformations in tunnel linings. 2. Geotechnical Structure Performance

These structures, often used in waterfronts, face complex seismic demands. Research shows that seismic loads can significantly increase both maximum displacement and bending moments, highlighting the need for proper anchoring and advanced seismic design.

Are you interested in the (centrifuge/FEA) or the results ? Ulas CILINGIR | Senior Engineer | PhD | Research profile