AEC & BIM Knowledgebase Integrated Structural Engineering International Design Codes TSC 2018 TSC 2018 TSC 2018 is explained in detail under this title. Earthquake Ground Motion General Ultimate Strength Design Principles (USD) Concrete Element Design Building Base and Building Height Building Height Category Building Importance Factor Building Performance Levels Building Performance Requirements Requirement / Design Assumptions Seismic Design Category. Structural Irregularities from Earthquake Effect Next TopicEarthquake Ground Motion Related TopicsGeneralUltimate Strength Design Principles (USD)Concrete Element DesignBuilding Base and Building HeightBuilding Height Category ×