seismic analysis of connections of buried continuous pipelines

Seismic design of buried steel water pipelines

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 transient and permanent ground actions (coming from tectonic faults, landslides and liquefaction-induced lateral spreading) are considered.

Seismic design of buried steel water pipelines

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 transient and permanent ground actions (coming from tectonic faults, landslides and liquefaction-induced lateral spreading) are considered. (PDF) Seismic Design of Buried Steel Water PipelinesThe 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

A study of the seismic response of a buried segmented

A study of the seismic response of a buried segmented pipeline crossing a fault A. W. Liu & X. H. Jia Institution of Geophysics, CEA, Beijing, China. ABSTRACT:A buried segmented pipeline crossing a fault is usually damaged by earthquake. Based on buried continuous pipelines' model, the Finite Element Model for a Analysis of continuous buried pipelines for seismic wave An analysis procedure for seismic wave propagation effects on straight continuous buried pipelines is proposed. It shown that ground strain due to surface waves can be substantially larger than that due to body waves. An elastic model a buried pipeline surrounded by equivalent soil springs indicates that frictional slip between the pipeline and

Analysis of continuous buried pipelines for seismic wave

An analysis procedure for wave propagation effects at junctions (elbows, Tâ s, etc) of continuous buried pipelines was initially developed by Shah and ChuZ8and later extended in a series of papers by Igbal and Goodling14 and G~odling.â -~ Presented herein is a proposed analysis procedure for seismic wave effects on straight continuous buried Analysis of continuous buried pipelines for seismic wave An analysis procedure for wave propagation effects at junctions (elbows, Tâ s, etc) of continuous buried pipelines was initially developed by Shah and ChuZ8and later extended in a series of papers by Igbal and Goodling14 and G~odling.â -~ Presented herein is a proposed analysis procedure for seismic wave effects on straight continuous buried

Analysis of continuous buried pipelines for seismic wave

An analysis procedure for wave propagation effects at junctions (elbows, Tâ s, etc) of continuous buried pipelines was initially developed by Shah and ChuZ8and later extended in a series of papers by Igbal and Goodling14 and G~odling.â -~ Presented herein is a proposed analysis procedure for seismic wave effects on straight continuous buried Buried pipeline subjected to seismic landslide:A Jul 01, 2020 · The results of the analytical solution are compared with the curves obtained by Luo et al. [] (for peak ground deformation of 0.6 m) and Ma et al. [] (for peak ground deformation of 1.0 m) as shown in Fig. 3.Both Luo et al. [] and Ma et al. [] investigated the influence of seismic landslide on buried polyethylene pipe through 3D FEM based numerical analysis using Abaqus 3D.

Buried pipeline subjected to seismic landslide:A

Jul 01, 2020 · The results of the analytical solution are compared with the curves obtained by Luo et al. [] (for peak ground deformation of 0.6 m) and Ma et al. [] (for peak ground deformation of 1.0 m) as shown in Fig. 3.Both Luo et al. [] and Ma et al. [] investigated the influence of seismic landslide on buried polyethylene pipe through 3D FEM based numerical analysis using Abaqus 3D. Centrifuge modeling of buried continuous pipelines Mar 12, 2013 · Seismic ground faulting is the greatest hazard for continuous buried pipelines. Over the years, researchers have attempted to understand pipeline behavior mostly via numerical modeling such as the finite element method. The lack of well-documented field case histories of pipeline failure from seismic ground faulting and the cost and complicated facilities needed for full-scale experimental

Centrifuge modeling of buried continuous pipelines

Mar 12, 2013 · Seismic ground faulting is the greatest hazard for continuous buried pipelines. Over the years, researchers have attempted to understand pipeline behavior mostly via numerical modeling such as the finite element method. The lack of well-documented field case histories of pipeline failure from seismic ground faulting and the cost and complicated facilities needed for full-scale experimental Design Issues of Buried Pipelines at Permanent Ground seismic behavior and design, the most important difference is in relation to their connection type. Buried pipelines consist of segmented and continuous pipes. For a segmented pipeline, stiffness of the joints is significantly lower than that for the portion away from the joint. Cast iron pipe with lead-caulked joints, ductile iron pipe

Dynamic Response of Continuous Buried Pipes in Seismic

Dynamic Response of Continuous Buried Pipes in Seismic Areas. Although seismic events rarely cause structural damages to buried pipelines, they can nevertheless result in a significant loss of functionality. pipe-soil interaction model is discussed. Then, with reference to steel and HDPE pipes with welded joints, a numerical analysis is Dynamic Response of Continuous Buried Pipes in Seismic Dynamic Response of Continuous Buried Pipes in Seismic Areas. Although seismic events rarely cause structural damages to buried pipelines, they can nevertheless result in a significant loss of functionality. pipe-soil interaction model is discussed. Then, with reference to steel and HDPE pipes with welded joints, a numerical analysis is

Effect of Field Bends on the Response of Buried Pipelines

May 31, 2019 · Wang LRL, Yeh YH (1985) A refined seismic analysis and design of buried pipeline for fault movement. Earthq Eng Struct Dyn 13(1):7596 CrossRef Google Scholar Yoshizaki K, ORourke TD, Bond T, Mason J, Hamada M (2001) Large scale experiments of permanent ground deformation effects on steel pipelines. Fragility analysis of continuous pipelines subjected to Dec 01, 2018 · 1. Introduction. Most onshore pipelines are buried underground to minimize the damage induced by human activities. However, the structural integrity of the pipeline network can still be jeopardized by transient ground deformation (TGD) and permeant ground deformation (PGD) hazards (O'Rourke and Liu, 2012, Sim et al., 2012, Cheng and Akkar, 2017).TGD often refers to ground strain

Fragility analysis of continuous pipelines subjected to

Dec 01, 2018 · 1. Introduction. Most onshore pipelines are buried underground to minimize the damage induced by human activities. However, the structural integrity of the pipeline network can still be jeopardized by transient ground deformation (TGD) and permeant ground deformation (PGD) hazards (O'Rourke and Liu, 2012, Sim et al., 2012, Cheng and Akkar, 2017).TGD often refers to ground strain Michael J. O'Rourke's research works Rensselaer An analysis procedure for seismic wave propagation effects on straight continuous buried pipelines is proposed. It shown that ground strain due to surface waves can be substantially larger than

Modelling the seismic response analysis of buried pipeline

The most hazard for buried pipeline is earthquake effects,like seismic wave propagation, permanent ground displacement( PGD). In this paper, the seismic response analysis of buried continuous pipeline subject to seismic wave progation and fault effect was prensented based on combing the analytical solution with the numerical modelling in the ANSYS software platform. SEISMIC DESIGN OF CONTINUOUS BURIED PIPELINESEISMIC DESIGN OF CONTINUOUS BURIED PIPELINE A.K.Arya1*, B. Shingan2,, Ch. Vara Prasad 3 1,2 ,3*Department of Chemical Engineering, University of Petroleum & Energy Studies, Dehradun, INDIA Abstract Buried pipelines perform vital function in maintaining integrity of the nations economy and population. Seismic hazards can

SEISMIC DESIGN OF CONTINUOUS BURIED PIPELINE

SEISMIC DESIGN OF CONTINUOUS BURIED PIPELINE A.K.Arya1*, B. Shingan2,, Ch. Vara Prasad 3 1,2 ,3*Department of Chemical Engineering, University of Petroleum & Energy Studies, Dehradun, INDIA Abstract Buried pipelines perform vital function in maintaining integrity of the nations economy and population. Seismic hazards can SEISMIC RISK ASSESSMENT OF BURIED PIPELINES AT 1 SEISMIC RISK ASSESSMENT OF BURIED PIPELINES AT ACTIVE FAULT CROSSINGS Vasileios E. MELISSIANOS1, Dimitrios VAMVATSIKOS2 and Charis J. GANTES3 ABSTRACT A methodology is presented on assessing the

Seismic Damage Estimation for Buried Pipelines:Challenges

Empirical correlation between buried pipeline damage and ground motion intensity parameters has been studied since the mid-1970s (Table 1).To compute fragility relations for segmented cast iron (CI) and asbestos cement (AC) pipelines in terms of PGA, Katayama et al. (1975) employed pipeline damage scenarios from six earthquakes:four in Japan (Kanto, 9/1/1923; Fukui, 6/28/1948; Niigata, 6/16 Seismic Guidelines for Water PipelinesAcknowledgements The following people and their affiliations contributed to this report. Person Affiliation John Eidinger (Chairman) G&E Engineering Systems Inc.

Seismic analysis used in pipeline design Offshore

Seismic ground waves produce strains in buried pipelines. null. Buried pipeline responses for a fault crossing. A buried steel pipeline with a 42-in. diameter and a 0.875-in. wall thickness, material of API 5L Grade-X65, contains oil at a specific gravity of 0.8. Seismic behavior of buried pipelines constructed by There have been a number of studies related to buried pipelines. For example, Wang and Cheng (1979) performed a simplied quasi-static seismic deformation analysis for buried pipelines subjected to earthquake loadings to exam-ine the effects of seismic parameters. They found that the be-havior of buried pipeline was dominantly inuenced by the

Seismic behavior of buried pipelines constructed by

There have been a number of studies related to buried pipelines. For example, Wang and Cheng (1979) performed a simplied quasi-static seismic deformation analysis for buried pipelines subjected to earthquake loadings to exam-ine the effects of seismic parameters. They found that the be-havior of buried pipeline was dominantly inuenced by the Seismic design of buried steel water pipelines - COREThe 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 transient and permanent ground actions (coming from tectonic faults, landslides, and liquefaction-induced lateral spreading

Seismic design of buried steel water pipelines

structural analysis and design of buried welded (continuous) steel water pipelines in seismic areas, subjected to earthquake action. Both transient and permanent ground actions (coming from tectonic faults, landslides and liquefaction-induced lateral spreading) are considered. Specific issues are discussed on the modelling of the Sensitivity Analysis of Buried Jointed Pipelines connection pull-out, cut and crushing (concrete pipe connections) have been reported [1]. A large number of the studies have been done on continuous pipeline networks, and because of the complexities in jointed pipe net-works compared with the continuous ones, fewer studies on jointed pipe networks considering connection beha-vior have been made.

Three-Dimensional Seismic Response Analysis of Buried

This paper presents a three-dimensional quasi-static analysis of continuous or jointed pipelines. Transfer Matrix Method was applied to the analysis providing for nonlinear behaviors of joints and soil frictions. An improved computer program ERAUL-II (E arthquake R esponse A nalysis of U nderground L ifelines-II) was developed for numerical Three-Dimensional Seismic Response Analysis of Buried This paper presents a three-dimensional quasi-static analysis of continuous or jointed pipelines. Transfer Matrix Method was applied to the analysis providing for nonlinear behaviors of joints and soil frictions. An improved computer program ERAUL-II (E arthquake R esponse A nalysis of U nderground L ifelines-II) was developed for numerical

Three-dimensional seismic response analysis of buried

@article{osti_6532102, title = {Three-dimensional seismic response analysis of buried continuous or jointed pipelines}, author = {Takada, S and Tanabe, K}, abstractNote = {This paper presents a three-dimensional quasi-static analysis of continuous or jointed pipelines. Transfer Matrix Method was applied to the analysis providing for nonlinear behaviors of joints and soil fractions. Seismic Analysis of Connections of Buried Continuous PipelinesBuried pipelines serve as a critical component of lifeline systems, such as water and gas supply. They are interconnected to form a network to transport utilities. The connections change the geometry and stiffness of pipelines and impact the seismic response of the pipelines. This paper investigates the influence of connections on the seismic response of buried continuous steel trunk lines.

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