Methodology for Assessing Sustainability Resource of Ecological and Geotechnical Systems of Urbanized and Industrial Territories

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4. Methodology for Assessing Sustainability Resource of Ecological and Geotechnical Systems of Urbanized and Industrial Territories

Abstract

Under the sustainability resource to external influences is understood the ability of the geological environment to maintain its basic geotechnical properties within acceptable or specified limits. Environmental changes, being important accompanying ones, can also be limiting for engineering activities in case of unacceptable changes in engineering-geological and hydrogeological conditions.

The practice of construction in various engineering and geological conditions in Ukraine is replete with examples of negative consequences due to underestimation of the sustainability resource of natural and man-made systems. For example, deformations of the soil base were often observed during the construction of crushed stone pads for foundations on subsiding soils (the cities of Dnipro, Zaporizhzhia, Kharkiv); excessive rise in the level of groundwater in the built-up areas, which arose if poorly permeable soils were not removed before sanding (Kharkiv, Poltava); uplift of a shallow metro station associated with a sharp rise in groundwater levels (Kharkiv); precipitation and surface failures over underground workings (Donbas, Kharkiv), etc. Hence, there is a need to develop methodological methods for optimizing design solutions during construction in complex engineering and geological conditions. Our experience of several decades of engineering surveys for construction in regions with different natural conditions leads to the conviction that the concept of "sustainability resource to external influences" is universal and can be used not only to assess geotechnical risks, but also for geoecological forecasts in urban or industrial agglomerations: the state of the engineering-geological environment with underground structures, the upper part of the underground hydrosphere of cities, the development of exogenous processes, and so on. Maps of resources for the sustainability of territories can be used to solve specific problems of economic development and assess the consequences of anthropogenic impacts. A scheme for the implementation of design and survey work is proposed, taking into account integrated geotechnical and environmental assessments.

9th International Congress on Environmental Geotechnics (ICEG2023)

Sustainability