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Аннотация
Aluminium is one of the traditional structural materials. Structures made of aluminium alloys are widely used in the civil engineering for erection of new civil and industrial buildings and reconstruction of the existing ones. It was shown, that the rational height of the transversal arch and amount of the arch's segments changes from 1.76 to 1.94 m from 10.70 to 11.97 m, correspondingly. The corresponding minimum materials consumptions were equal to 6.16, 5.38 and 5.54 kg/m{2}.
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