Auflistung Nach Schlagwort "Water pipelines"
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Analysis and Behavior of Steel Pipe Welded Lap Joints in Geohazard Areas
(2015)Using advanced finite element simulation tools, which account for both geometric and material nonlinearities, the bending capacity of welded lap pipeline joints is investigated. Following the analysis of plain pipes, ... -
Analysis and design of buried steel water pipelines in seismic areas
(2017)This paper offers an overview of available methodologies and provisions for the structural analysis and mechanical design of buried welded steel water pipelines subjected to earthquake action. Both transient (wave-shaking) ... -
Bending response of lap welded steel pipeline joints
(2020)The paper presents a combined experimental and numerical investigation of the bending response of lap welded joints in pressurized steel water pipelines. It is motivated by the structural performance of large-diameter steel ... -
Developing a methodology towards full water cost recovery in urban water pipe networks, based on the "user-pays" principle
(2014)In the present paper, using an urban water supply and distribution system as a case study (city of Kozani, Greece), the components of the full water cost (direct-DC; environmental-EC; resource-RC) are analysed, introducing ... -
Failure analysis of a welded steel pipe at Kullar fault crossing
(2017)The seismic response of a 2200-mm-diameter welded steel pipe at strike slip Kullar fault crossing in Izmit, Kocaeli during 1999 Kocaeli earthquake is investigated. The pipe was crossing the fault-line with an angle of 55° ... -
Finite Element Analysis of the Mechanical Behavior of Mitered Steel Pipe Elbows under Bending and Pressure
(2016)Using finite element simulation tools, which account for both geometric and material nonlinearities, the bending capacity of mitered steel pipe bends is investigated. First, numerical results are reported on the elastic ... -
Influence of random soil strength properties on the earthquake vulnerability of slopes with embedded oil and natural gas pipelines
(2021)Numerous pipeline systems carrying oil and natural gas, passing through geologically unstable areas worldwide are vulnerable to seismically induced slope instability, large ground displacements and settlements. Such ground ... -
Mechanical Response of Steel Pipe Welded Lap Joints in Seismic Areas
(2017)Nonlinear finite element simulation tools are employed to investigate the bending capacity of internally-pressurized double-welded lap pipeline joints for a typical steel, with D | t value equal to 191.5. The study constitutes ... -
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 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. ... -
Seismic design of buried steel water pipelines
(2014)The present paper provides an overview of available tools and provisions for the structural analysis and design of buried welded (continuous) steel water pipelines in seismic areas, subjected to earthquake action. Both ... -
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 ... -
Ultimate capacity of welded-slip joints under axial compression
(2006)Using advanced numerical tools, which account for the cold-expansion manufacturing process, the axial capacity of welded slip pipeline joints under compressive loading is investigated. The numerical results are in good ... -
Βehavior of underground energy pipelines under permanent ground displacements
(2021)The seismic performance of oil and natural gas steel pipelines embedded in earth slopes presents great uncertainty related both to the earthquake shaking characteristics and to the natural heterogeneity of geomaterials. ...