The notable torsion effects of the surface ground motion above the alluvialvalley are illustrated and the torsion effects become stronger as the frequency of the incidence is higher.
沉积盆地地表运动有强烈的扭转效应，并且此扭转效应随盆地变软和入射波频率的增高而增强。
2
Comparison analysis for antiplane surface motion features between the circular-arc cross-section alluvialvalley and the single overburden layer is investigated in details in this paper.