This week, SkyriseCities' 'Explainer' takes a look at a highly innovative—and once-popular—construction technology, which has been all but relegated to the dustbin of 20th century history in North America. Faster and more economical than older construction methods, the so-called 'lift slab' technique proved a breakthrough for the mid-century construction industry after its development in 1948. Yet, less than 40 years later, a tragic accident effectively spelled the end of lift slab construction. SkyriseCities has more:
In major building projects, concrete wall and floor slabs are often assembled using the in situ, or cast-in-place, method of construction. But a cheaper and faster alternative, that infamously played a major role in a tragic construction accident, takes the 'raising the roof' expression literally.
You can find the rest of the story on our sister site, SkyriseCities.com.