Critical state characterisation of a natural low-plasticity silt from the Halden NGTS siteEduardo Parra, Katia Boschi, Lluís Monforte, Mohammad RazaviNasab, Priscilla Paniagua, Thi Minh Hue Le, Emir Ahmet Oguz and Marcos ArroyoE3S Web Conf., 730 (2026) 01011DOI: https://doi.org/10.1051/e3sconf/202673001011