Fig. 15From: Study on mechanism and influential factors of progressive collapse resistance of base-isolated structureThe failure condition of the middle isolation bearing. a δ=24mm, ∆=10.8mm. b δ=44mm, ∆=15.7mm. c δ= 98mm, ∆=20.38mm. d δ=160mm, ∆=15.4mmBack to article page