Traditional Culture Encyclopedia - Traditional stories - Why were the stairs in the old residential buildings of the past like that? Not the kind of beveled.
Why were the stairs in the old residential buildings of the past like that? Not the kind of beveled.
Picture of the old residential building stairs, the use of reinforced concrete L-type prefabricated tread plate; which is divided into two types, namely, simply supported (tread plate resting on the wall) or cantilevered stress form; picture belongs to the former, prefabricated components are generally grouped by the site of the installation of masonry, and then finish painting. This type of staircase is more economical, but the overall stiffness and seismic performance is poor, the last century, 70, 80's the early use of more common, is not in use.
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