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Stone and cast stone
Published in Arthur Lyons, Materials for Architects and Builders, 2019
Cast stone is manufactured by either the dry cast or wet cast process. Dry cast stone is formed from zero-slump concrete, which is densely compacted by vibration. The process is used for the repetitive casting of smaller components, which can be removed from the mould immediately after compaction, allowing many units to be made each day. The wet cast stone system is used for the manufacture of larger units, which remain in the mould for 24 hours, and may incorporate anchor fixings and more complex reinforcement.
Labour-intensive processes
Published in M. Levitt, Precast Concrete, 2014
Another point worthy of mention is description. Cast stone is defined as a product made from aggregate(s) and cement to be used in a manner similar to and/or for the same purpose as natural stone, Decriptions such as ‘artificial stone’, ‘art stone’, ‘reconstructed stone’, ‘reconstituted stone’ and ‘synthetic stone’ still persist but are deprecated. There is not only no point in having more than one description for the same thing but there is also a possible legal pitfall in using terms such as ‘reconstructed’ or ‘reconstituted’. Both these words imply that the name that follows the adjective is the sole aggregate. Therefore, the use of another aggregate or a secondary aggregate with the named finish is really a contradiction of terminology. To use the all-embracing definition of, say, ‘cast Portland Stone’ or ‘Cast stone – Portland finish’ or similar allows full licence by the manufacturer to use what he/she likes provided that it is acceptable to the client.
The Dome of the Cuban National Capitol
Published in International Journal of Architectural Heritage, 2022
María Mestre Martí, Pedro M. Jiménez Vicario, Manuel A. Ródenas-López, Víctor Martínez Pacheco
After several schemes, the final project became the work and achievement of the architect Eugenio Rayneri Piedra with help of Ricardo E. Franklyn, architect from Purdy & Henderson Co. of New York,5Engineer Corydon Purdy, a pioneer in steel-frame construction, opened his first offices in Chicago. He associated in 1893 with Engineer Lightner Henderson, the Purdy & Henderson. The firm established their first branch in Manhattan. After the Spanish American War, Purdy & Henderson were one of the first U.S. firms in Cuba to offer their expertise. Their Havana projects included steel-framed edifices clad in concrete-block, cast-stone, natural stone, and reinforced concrete. (Cueto 2020)Other examples in Cuba from Purdy & Henderson engineers are as follows: The Lonja del Comercio building (1909), The Plaza Hotel (1909), The Centro Gallego (1915), The Royal Bank of Canada Building (1919), The Centro Asturiano (1927), The Hotel Nacional (1930) and the Radio Centro CMQ Building (1947) the company to which the procurement contract was awarded. The company was in charge of executing the structure design and the foundation. The works that concluded with the current building began in April 1926. Although all efforts were directed to officially inaugurate the building in January 1928 to host the Sixth International Conference of American States of the Panamerican Union, the Capitol could not open its doors until May 20, 1929.