The results of the evaluation of the reliability of reinforced concrete beams lying on an elastic foundation are presented. The load on the beam is considered as a non-stationary random function. the elastic properties of the foundation are described as a stationary random function. Beam stiffness is considered as a random variable depending on the cubic strength of concrete. https://www.roneverhart.com/Apple-Watch-Ultra-2-GPS-Cellular-49mm-Titanium-Case-with-Blue-Black-Trail-Loop-S-M-MRF53LL-A/