Brick Construction Phased Out: Prefabricated Heavy Steel Solution for Grade 7+ Seismic Zones
Jul 01,2026
High-seismic zones of Grade 7 and above are phasing out brick-concrete buildings. Factory prefabricated heavy steel systems deliver safer, faster, code-compliant construction for industrial, public and residential projects.
With the enforcement of the Regulations on Seismic Administration of Construction Projects, brick-concrete structures are gradually phased out in seismic zones of intensity Grade 7 and above across China. Traditional masonry buildings feature brittle rigidity, heavy self-weight and unstable on-site construction quality, which cannot meet modern high-level seismic fortification standards. As a result,prefabricated heavy steel building systems have become the officially preferred solution for new factories, public buildings and rural houses in earthquake-prone areas.
Prefabricated heavy steel structures adopt Q355 hot-rolled steel frames with excellent ductility and flexible energy-dissipating performance. Compared with brick-concrete buildings, their self-weight is reduced by nearly 70%, greatly lowering seismic reaction force and effectively preventing overall collapse under strong earthquakes. All core steel beams, columns and seismic components are fully fabricated in professional factories through robotic welding and non-destructive testing, ensuring stable and reliable structural quality, far superior to manual masonry and cast-in-place construction.
This standardized prefabricated solution covers BIM seismic optimization design, integrated factory production, safe transportation, modular assembly and special seismic acceptance. It reserves seismic deformation gaps through flexible connection technology, avoids wall falling risks, and improves overall structural safety. Meanwhile, the construction period is shortened by more than 50%, and construction waste is reduced by 80%, meeting both seismic safety and low-carbon green building requirements.
Now widely applied in industrial workshops, logistics parks, schools, hospitals and seismic-resident housing, factory prefabricated heavy steel systems have become the most reliable and cost-effective long-term construction solution for Grade 7 and above high-seismic-intensity zones, replacing traditional brick-concrete buildings.
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