ANALYSIS OF STRESS-STRAIN STATE ELEMENTS LOCK CHAMBER VOLGOGRAD HYDROELECTRIC COMPLEX UNDER DIFFERENT OPERATING CONDITIONS
These observations and measurements of the deformations of the walls of the Volgograd hydroelectric camera gateways in recent years have shown a change of parameters that characterize the state of the buildings and structures. To evaluate the stress-strain state of the walls gateways cameras mathematical finite element models were developed by the lower and upper chambers of gateways based on the block structure and the actual reinforcement. The calculations of the system, «the two chambers, the base and backfill» for six different gateway modes of operation (maintenance and repair, including taking into account the seasonal temperatures and temperature extremes «winter - summer») confirmed that no gateway number 30 or the gateway number 31 is not defective components or structural defects that could create problems in terms of stability and strength of the whole structure. Calculated stresses and strains correspond actually observed, which indicates that the locks are in good operating condition.