PRIMARY STRUCTURE, New vs old structure, steel vs concrete, What we use of the old structure vs what we add to the old structure posted by Sven de Smet at 03.06.18, filed under: concrete, steel, STUDIO: porto, back-button PRIMARY STRUCTURE, New vs old structure, steel vs concrete, What we use of the old structure vs what we add to the old structure posted by Sven de Smet at 03.06.18, filed under: concrete, steel, STUDIO: porto, back-button
fig 399A, drawing,