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  • An integrated approach in the selection of design solutions for strengthening soil foundations in the reconstruction of buildings in the Rostov region

    The problems of the operation of buildings on subsidence soils of the Rostov region are considered. A brief analysis of the methods used to consolidate the soil. Concrete examples of the use of cementation and silicatization of soil bases in the development of reconstruction projects for buildings in the cities of Shakhty and Taganrog, Rostov Region are given. An integrated approach to the choice of technology for fixing the soil base of reconstructed objects is proposed, which provides for the simultaneous consideration of the following factors: - basic physical and mechanical properties of soils; - mineralogical composition of soils; - change in the state of the soil base during the operation of the building (local decompression, erosion, chemical and mechanical suffusion, etc.); - chemical composition and groundwater level, forecast of their change; - terrain, the danger of activation of landslide processes; - the presence of retaining walls and other retaining structures in the zone of influence, assessment of the loads on them in the process of consolidation; - the technical condition of building structures of the building, including its underground part and the blind area; - the status of the reconstructed object. With special care and precaution, it is necessary to choose the technological and design parameters of soil consolidation for cultural heritage sites of federal or regional significance; - technical and economic indicators.

    Keywords: subsidence of soils, strengthening of soils, fixing of soils, cementation, silicatization, Geology, construction, cultural heritage object

  • The Paving Slab Market Analysis and Development Prospects in the Rostov Region

    The paving slab market analysis and development prospects for the Rostov Region are given in this article. The market prospects are considered from the point of view of paving slab manufacturers on their participation in government programs of a modern urban environment formation and improvement. The main changes in the product specifications requirements are considered taking into account the enactment of GOST 17608-2017 instead of GOST 17608-91. We analysed the pricing policy of large manufacturers of paving slabs operating in the Rostov Region. Then we also considered the prospects of paving slab sales for municipal projects and in the private segment. We also reviewed the government programs for creation of a comfortable urban environment and their financing in the Rostov Region, as well as cooperation prospects between the municipal government and business in terms of concession agreements. Finally, we defined the main consumer categories for the paving slabs and the consumption structure of the paving slabs market.

    Keywords: paving flag, paving slabs, improvement, modern urban environment, the formation of a modern urban environment, paving