Papers read at the Royal Institute of British Architects (1853)
Royal Institute of British Architects · London, Royal Institute of British Architects · leaf 243
curve of pressure is always to fall within the lines dotted on the arch ring, and since the joint of rupture in this example would be at springing we can take the point Z as the point through which the resultant action of the whole half arch passes, and assume the horizontal force Q at crown to act…
Architecture
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
