Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 403
Fig. 44. Types of Concrete Steel Arches. ril). This type rests on the theory that the steel rods will resist thecompressive stresses of the rib, while the concrete acts merely as astiffener to prevent the steel from buckling. The Melan type consists of steel ribs embedded in the concreteand…
Architecture · Building · Carpentry
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