The design of sustainable sewerage infrastructure is fundamental for achieving long-term sustainability goals. Piping systems are essential components in the water supply chain and waste disposal worldwide. Among possible designs concrete pipes, steel cages consisting curved rebars have been predominantly used as reinforcement. However, structural fibres emerged an attractive technical economic...

In this paper, a deep neural network hidden Markov model (DNN-HMM) is proposed to detect pipeline leakage location. A long divided into several sections and the occurs in different section that defined as state of (HMM). The hybrid HMM, i.e., DNN-HMM, consists (DNN) with multiple layers exploit non-linear data. DNN initialized by using belief (DBN). DBN pre-trained built stacking top-down restr...

The effect of non-stationary external forces on the vibration pipelines made composite materials is investigated in paper. A mathematical model pipeline developed, considering viscosity properties structure and base material, axial forces, internal pressure, resistance disturbances. viscoelastic conveying fluid under vibrations constructed based Boltzmann-Volterra integral model. to study a Eul...

Submarine buried pipelines are often laid in trenches backfilled with loose sandy soil, which is intrinsically prone to liquefaction. When liquefaction triggered, the soil tends behave as a viscous fluid vanishing shear strength and very limited ability restrain structural displacement, for instance during occurrence of pipeline flotation. Recently, 2D CFD-based approach analysis pipe flotation...

Purpose: To build a factor model of vibrodynamic loading influence on pipeline reliability based the results laboratory tests carried out taking into account amplitude-frequency characteristics vibration process operating pipeline, obtained during full-scale at railway station. On basis to determine most significant factors affecting pipelines under action and propose ways improve their reliabi...