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Columbus Tubi is a manufacturer of steel tubing used in bicycle frames, located in Settala, in the Province of Milan. The company was founded in 1919 by A.L. Colombo and was taken over by Colombo's youngest son, Antonio, in 1977. [1] It is now a division of Gruppo SPA, which also owns the bicycle manufacturer Cinelli. [2]
7005 is an aluminium wrought alloy [1] used in bicycle frames. Due to its relative ease of welding, it does not require expensive heat treating. It is, however, harder to form, making manufacture more challenging. [2] It has an Ultimate Tensile Strength of 350 MPa, a Fatigue Strength of 150 MPa and a density of 2.78 g/cm 3. [3]
"Properties of Wrought Aluminum and Aluminum Alloys: 6061 Alclad 6061", Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, Vol 2, ASM Handbook, ASM International, 1990, p. 102-103.
Architectural Glass and Aluminum (AGA) is a specialty glazing contractor located in the United States. Architectural Glass & Aluminum provides engineering, design, fabrication, installation, and assembly services for custom glazing systems, such as Curtain Wall , Storefront, Punched Openings, and Window Wall.
The city of Columbus has spread out and around from the original 10 acres (4.0 ha; 0.040 km 2) plot surrounding the Statehouse, making downtown the literal center of the city. Another pivotal element of downtown Columbus is the Scioto River, which snakes directly through downtown.
AIA Columbus is a chapter of the American Institute of Architects. Founded in 1913, it is one of the largest urban components of the American Institute of Architects in the Midwestern United States , with members throughout Central and Southeastern Ohio.
The roof of this industrial building is supported by a space frame structure. If a force is applied to the blue node and the red bar were not present, the resultant effect on the structure would depend entirely on the blue node's bending rigidity, i.e. to its resistance (or lack thereof) to bending; however, with the red bar in place, then assuming negligible bending rigidity of the blue node ...
These doors or gates were hung in two leaves, each about 2.54 m (100 in) wide and 8.2 m (27 ft) high; they were encased with bronze bands or strips, 25.4 cm (10.0 in) high, covered with repoussé decoration of figures. The wood doors would seem to have been about 7.62 cm (3.00 in) thick, but the hanging stile was over 360 millimetres (14 in ...