Πλοήγηση ανά Θέμα "Cyclic loads"
Αποτελέσματα 1-19 από 19
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CFRP strengthening of steel pipe elbows subjected to cyclic loading
(2016)In order to ensure safe operation and structural integrity of pipeline and piping systems, it is sometimes necessary to strengthen specific sections of pipelines and piping systems. Recognizing the variety of mode failures ... -
Dented externally-pressurised pipes subjected to cyclic axial loading
(2019)The present paper describes a numerical investigation of the mechanical response of externally-pressurized dented stainless-steel pipes, subjected to reverse cyclic axial loading. This is the first part of a large-scale ... -
Dependence of friction coefficient on the resolution of asperities in metallic rough surfaces under cyclic loading
(2017)In this paper the friction mechanism that is developed between metallic rough interfaces with irregularities of different scales, submitted to cyclic loading is studied. The main purpose of the paper is to investigate how ... -
Finite element analysis of cyclically-loaded steel pipes during deep water reeling installation
(2016)Thick-walled steel pipes during their installation in deep water are subjected to combined loading of external pressure and bending, which may trigger structural instability due to excessive pipe ovalization. In the case ... -
Finite element analysis of industrial steel elbows under strong cyclic loading
(2011)Steel elbows are used in petrochemical facilities and power plants. In the case of an earthquake event, in addition to other service loads, they are subjected to strong repeated cyclic structural loading that may lead to ... -
Load Path Effects in Circular Steel Columns under Bidirectional Lateral Cyclic Loading
(2015)Rigorous numerical analyses are conducted to study the effects of bidirectional lateral cyclic loading on the hysteretic response of stocky circular thin-walled steel columns. Four unidirectional and eight bidirectional ... -
Mechanical behavior of dented steel pipes subjected to bending and pressure loading
(2019)The presence of dents on steel pipeline wall may constitute a threat for pipeline structural safety. Experimental testing results supported by numerical simulations are reported, in an attempt to assess the structural ... -
Mechanical behavior of steel pipes with local wall distortions under cyclic loading
(2012)Evaluating the severity of pipe wall distortions is a crucial step towards safeguarding the structural integrity of aging hydrocarbon pipeline infrastructure. The present research refers to the remaining life of oil and ... -
Mechanical response of an industrial piping system under strong cyclic loading
(2021)The paper presents a combined experimental and numerical investigation of cyclic loading response of an internally pressurized steel piping system. The piping system comprises three elbows and is subjected to quasi-static ... -
Numerical simulation of CFRP reinforced steel pipe elbows subjected to cyclic loading
(2016)Strengthening of pipelines and piping systems under extreme loading conditions increases their operation safety level towards safeguarding their structural integrity. Motivated by the structural integrity of pipelines and ... -
Numerical simulation of the mechanical behaviour of steel pipe bends under strong cyclic loading
(2020)The present study uses advanced numerical tools to examine the mechanical behavior of steel pipe bends (elbows), subjected to strong cyclic loading, associated with repeated plastic deformations of alternate sign. The ... -
Pipe elbows under strong cyclic loading
(2012)Motivated by the response of industrial piping under seismic loading conditions, the present study examines the behavior of steel process piping elbows, subjected to strong cyclic loading conditions. A set of experiments ... -
Response of RC Frames Strengthened by RC Infill Walls: Experimental Study
(2019)The experimental results of a research program on the response of 1/3-scale reinforced concrete infilled frames are presented and evaluated. The main objective was to assess the seismic performance of RC frames infilled ... -
Simulation of industrial elbow response under strong cyclic loading
(2011)Elbow components are widely used in industrial facilities as parts of piping/tubing systems. Their performance under severe loading conditions may be critical for the structural integrity of an industrial facility In the ... -
Simulation of piping ratcheting experiments using advanced plane-stress cyclic elastoplasticity models
(2019)Industrial steel piping components are often subjected to severe cyclic loading conditions which introduce large inelastic strains and can lead to low-cycle fatigue. Modeling of their structural response requires the ... -
Steel elbow response under strong cyclic loading
(2012)The present study examines the behavior of steel pipeline elbows subjected to strong cyclic loading conditions. A set of experiments is conducted where in-plane cyclic bending with constant amplitude is applied on the elbow ... -
Structural behavior and design of high-strength steel welded tubular connections under extreme loading
(2020)The present work is motivated by the increasing need for cost-efficient solutions in offshore structural systems for wind energy production and for improvement of their structural performance. The structural behavior and ... -
Structural response of steel lined pipes under cyclic bending
(2022)Motivated by reeling installation of mechanically-lined offshore steel pipes, the present paper investigates the structural performance of a bi-material lined pipe under cyclic bending, using advanced finite element tools. ... -
STRUCTURAL RESPONSE OF SUBSEA PIPE ELBOWS UNDER MONOTONIC AND CYCLIC LOADING
(2022)Pipe bends (elbows) are commonly used components in subsea piping systems. They are quite flexible compared to the corresponding straight pipes and are used to reduce the reaction forces and moments at the supports and the ...