engleski

STRUCTURAL ART IN STEEL, CONCRETE AND STONE - ARCH BRIDGES DESIGNED BY KRUNO TONKOVIĆ

Professor Kruno Tonković (1911-1989) was the greatest Croatian bridge builder of all times. He was versatile, educated, experienced and brave designer and constructor constantly trying to incorporate in his work a clear esthetic component. He developed a large number of very original structures after a detailed analysis he incorporated the results of this studies in some of his constructed works but some remained for the future to be analyzed. In his lifetime he developed arch structures in concrete up to 400 m span and in steel up to 600 m span. In this paper some of the most beautiful and advanced steel, concrete and stone arch bridge structures designed by Kruno Tonković are shown. Some of his most important bridges include the Liberty bridge in Zagreb over the river Sava (100 m span) in 1953 and the Skradin arch bridge (110 m span) constructed in 1955 with concrete filled steel box arch girder just to mention a few of many remarkable bridges. In this paper it is shown that it was possible to build unique, beautiful, more functional and different bridges, which were superior in all aspects in his time and in some segments even today.

Kruno Tonković; steel arch; concrete arch; stone arch; Skradin Bridge; Liberty Bridge; Korana Bridge; Slunjcica Bridge; Tounjcica Bridge

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