Abstract
One of the most important tasks in designing and constructing reclamation network structures on loess subsidence soils is to ensure their long-term trouble-free operation. The improvement of methods for the design of hydraulic structures on subsidence foundations requires further study of very complex physical processes occurring in the foundations of structures during their construction and operation. This is confirmed by the fact that even if all the requirements and recommendations of regulatory documents for the design of irrigation systems on subsiding soils are observed, the deformations of the foundations of structures often significantly exceed the calculated ones, which can cause a loss of serviceability of irrigation structures. This determines the need for further study peculiarities of interaction of irrigation structures with their subsidence bases. This article is devoted to this problem, in particular, to the study of the influence of stress redistribution in wetted subsidence foundations of hydraulic structures on the stressed state of their elements and the stress-strain state of loess subsidence foundations on the models of float bets of hydraulic structures in the Karshi steppe.
Highlights
Improving the reliability of hydraulic structures on collapsible soils can be achieved by improving their designs and improving soil properties foundations
Deformation of loess subsidence soils depends on two main factors - moisture and stress state of the massif
In literature [13], the experimentally obtained values of stresses in the loess subsidence soils of the foundations of structures from the pressure transmitted by the structures are given, both maximum, arising on a given horizon, and corresponding to the period of their stabilization
Summary
Improving the reliability of hydraulic structures on collapsible soils can be achieved by improving their designs and improving soil properties foundations.
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