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On the Construction of Iron Roofs: A Theoretical and Practical Treatise
No preview available - 2016
On the Construction of Iron Roofs: A Theoretical and Practical Treatise ...
No preview available - 2015
15 cotan 9 cotan abutment angle irons arch calculating the strains cast iron central strut centre compound truss compressive strain construction of iron crown DETAILS OF DITTO determine the strain determine the thrust diagonal bars direct strain distance distributed load DITTO DITTO dome employed equal feet flanges foregoing formula half arch hence horizontal force horizontal strain horizontal thrust inclined truss iron roofs lattice girders lineal foot load per lineal main compression member plate point of support primary truss required to determine riveted roof structures secondary truss semi-arch series of triangles shown in Fig simple truss span strains produced strut c d strut d g Summing the strains tensile strain tension member tension rods tie bars tie rod total load total strain transmitted triangular girder uniformly distributed versine vertical force vertical member W sin e Warren girder weight wrought iron