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Development of a Russian rolled steel variety

  • December 25, 2018

Many plants in the Urals, following the example of Putilovsky, rolled iron profiles in Russian measures, and plants under construction in the south, as a rule, organized rental in metric measures.

Commission n. A. Bellyubsky took into account not only Russian reality, but also the experience of Austria and Germany in the rental of profiles.

According to the Putilov plant, at the end of the XX in. The welding iron he produced had a temporary resistance of 30-39 kg/cm2. Temporary resistance of cast steel, which the plant supplied four varieties.

In 1892. This plant delivered rental for the construction of bridges and metal structures with a temporary resistance of 37-40 kg/mm2 and a relative extension of 26-30%.

In 1905. The Ministry of Railways has ordered that for bridges cast steel had a tension of a gap of at least 37 kg/mm2. Moreover, in the new technical conditions, the dynamic impact of trains was taken into account.

In the second half of the XX and early XX in. Metal structures developed and formed in reliable and staticly clearly working design schemes. They occupied a leading position in the construction of industrial buildings, were indispensable in the construction of public buildings, railway and ordinary bridges. Metal structures were used for specific needs of the heavy industry, chemical production, shipbuilding and other industries., The second

In the literature on reinforced concrete, published before the revolution and partially in the Soviet years, 89 g are usually accepted by the initial date of the history of reinforced concrete in Russia., year of widely known experiments in St. Petersburg on Preobrazhensky Plaster. Indeed, experiments 89 g. gained wide fame in Russia: special reports were published, a brochure of Professor N was published. A. Bellyubsky with a detailed description of the experiments.

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