For instance, the original plants were said to be mounted on flatbed trailers with reinforced floors.
One entire floor is equipped with wet labs, reinforced floors and vent stacks for early-stage life sciences companies.
But the discovered plants were on heavy transporters intended for tanks, "obviating the need for reinforced floors," the paper said.
The machines, which are about as big as a minivan and weigh roughly twice as much, often require reinforced floors.
The experimental results show a significant increase in shear strength and stiffness of reinforced floors compared to those unreinforced.
The block proved too heavy for the lab at the University of Utah, and in 2015 ended up on reinforced floors at the Museum of Ancient Life at Thanksgiving Point.
The boom has made it easier to rent older warehouses and office buildings, which usually have reinforced floors and higher ceilings needed to accommodate large, heavy telecommunication equipment.
The airports have run into various problems, from having to reinforce floors to support the machines to having to build new electrical substations to power them.
They require extensive plumbing, for example, for multiple showers and toilets; electricity to power the exercise equipment; and soundproofing and reinforced floors to shield neighbors from booming sound systems and the crash of weights.
The reinforced floors of the herbarium are lined with eight-foot-tall gray steel storage areas, known among the world's botanists as "New York Botanical Garden cabinets" for their distinctive fireproof, two-door, gasket-sealed, 52-shelf design.
