Listar por tema "Steel pipe"
Mostrando ítems 21-36 de 36
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A new concept for improving the structural resilience of lap-welded steel pipeline joints
(2022)Lap-welded steel joints are widely used in steel pipelines for water transmission, and their structural resistance is essential for safeguarding pipeline integrity and functionality after severe earthquakes or other ... -
Newly Developed Seismic Resilient Steel Pipe Joint Safeguards: Pipeline Structural Integrity during Severe Geohazard Events
(2020)The mechanical performance of lap welded joints is essential for safeguarding the structural integrity of steel water pipelines, after a severe earthquake or other geohazard loadings. Over the past 4 years, an extensive ... -
A Novel steel pipe joint for enhancing pipeline seismic resilience i: Development and validation
(2022)During the last four years, an extensive experimental project has been launched to determine the structural performance of lap welded joints under ground-induced deformations, mainly due to severe seismic events. The ... -
A Novel System for Assuring the Performance of Steel Water Pipelines in Ground Settlement Areas
(2022)The paper presents the application of a new system, called "InfraShield," which increases the performance level of steel water pipelines, which are connected to rigid structures and subjected to differential ground settlement. ... -
Numerical simulation of buried steel pipelines under strike-slip fault displacements
(2011)The paper examines the structural response of buried butt-welded steel pipelines, crossing active strike-slip tectonic faults, which are vertical and perpendicular to the pipeline axis. The interacting soil-pipeline system ... -
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 ... -
Safeguarding the integrity of large-diameter steel pipelines subjected to differential ground settlements
(2021)The paper describes the application of a novel and promising concept, aimed at absorbing ground-induced displacements due to soil subsidence in buried steel pipelines entering or exiting concrete or rigid structures. In ... -
Soil-pipe interaction models for simulating the mechanical response of buried steel pipelines crossing active faults
(2016)In geohazard areas, buried pipelines are subjected to permanent ground deformations, which constitute major threats for buried pipelines. Geohazards include seismic fault movements, liquefactioninduced lateral spreading ... -
Soil-pipe interaction models for the simulation of buried steel pipeline behaviour against geohazards
(2017)Hydrocarbon pipelines constructed in geohazards areas, are subjected to ground-induced actions, associated with the development of severe strains in the pipeline and constitute major threats for their structural integrity. ... -
Strain-based design of a large-diameter steel water pipeline crossing ground settlement areas
(2021)This paper describes the structural design of a large-diameter buried steel pipeline crossing two areas of substantial soil settlement, which impose fault-type actions in the pipeline. Those ground-induced deformations are ... -
Structural behavior of buried pipe bends and their effect on pipeline response in fault crossing areas
(2017)Pipe bends, often referred to as “elbows”, are special pipeline components, widely used in onshore buried steel pipelines. They are sensitive to imposed deformations and their structural behavior is quite flexible and ... -
Structural integrity of buckled steel pipes
(2015)Local distortions on steel pipeline wall in the form of buckles may constitute a threat for the structural integrity of the steel pipeline. In the present paper, experimental research supported by numerical simulation is ... -
Structural integrity of steel hydrocarbon pipelines with local wall distortions
(2014)Local distortions on pipeline wall in the form of dents or buckles may constitute a threat for the structural integrity of the steel pipeline. In the present paper, experimental research supported by numerical simulation ... -
Structural performance of buried steel pipelines crossing strike-slip faults
(2014)The performance of pipelines subjected to permanent strike-slip fault movement is investigated by combining detailed numerical simulations and closed-form solutions. A closed-form solution for the force-displacement ... -
Structural performance of steel pipe tee-junctions
(2014)The behavior of steel pipe junctions (Tees) subjected to strong loading in the presence of internal pressure is examined in the present study. The analysis is based on a set of monotonic and cyclic out-of plane bending ...