2 ms·
It's less that stairwells need to support the structure than that stairwells need to survive the destruction of the structure, something concrete does remarkabl
by dredmorbius 2y ago
It's less that stairwells need to support the structure than that stairwells need to survive the destruction of the structure, something concrete does remarkably well.
Not turning into an oven is another feature. Heat conductivity of concrete is far lower than that of steel.