# A vertical isolation device with variable stiffness for long-span spatial structures

> Research article (Soil Dynamics and Earthquake Engineering, 2019) · cited 50× · AI/ML

**Wikidata**: [openalex:W2946159279](https://www.wikidata.org/wiki/openalex:W2946159279)  
**Source**: https://4ort.xyz/entity/a-vertical-isolation-device-with-variable-stiffness-for-long-span-spatial-structures