The optimal constant- and varying-thickness arches (CTAs and VTAs) identified from themes 2 and 3, are further investigated through their dynamic behaviour. The scope of this theme is to develop ways to minimise bending (and therefore tension) by assuming that the regolith-based structural material has a low tensile strength. There are mainly three configurations investigated herein: (a) fixed arches; (b) arches fixed on a foundation base that is able to slide; (c) arches fixed on a foundation base that is able to uplift and start rocking, subjected to a dataset of strong ground motions as determined from theme 1. The main objective is to estimate the probability of failure of these configurations in low gravity and select the most appropriate.
