Numerical Modeling of Mechanical Behavior for Buried Steel Pipelines Crossing Subsidence Strata
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{"title"=>"Numerical modeling of mechanical behavior for buried steel pipelines crossing subsidence strata", "type"=>"journal", "authors"=>[{"first_name"=>"J.", "last_name"=>"Zhang", "scopus_author_id"=>"56123157200"}, {"first_name"=>"Z.", "last_name"=>"Liang", "scopus_author_id"=>"55684826200"}, {"first_name"=>"C. J.", "last_name"=>"Han", "scopus_author_id"=>"8349629900"}], "year"=>2015, "source"=>"PLoS ONE", "identifiers"=>{"scopus"=>"2-s2.0-84939143871", "pui"=>"605586179", "pmid"=>"26103460", "issn"=>"19326203", "isbn"=>"1932-6203", "doi"=>"10.1371/journal.pone.0130459", "sgr"=>"84939143871"}, "id"=>"8251a6c8-ddcb-3369-8f66-84a0e3dcd034", "abstract"=>"This paper addresses the mechanical behavior of buried steel pipeline crossing subsidence strata. The investigation is based on numerical simulation of the nonlinear response of the pipeline-soil system through finite element method, considering large strain and displacement, inelastic material behavior of buried pipeline and the surrounding soil, as well as contact and friction on the pipeline-soil interface. Effects of key parameters on the mechanical behavior of buried pipeline were investigated, such as strata subsidence, diameter-thickness ratio, buried depth, internal pressure, friction coefficient and soil properties. The results show that the maximum strain appears on the outer transition subsidence section of the pipeline, and its cross section is concave shaped. With the increasing of strata subsidence and diameter-thickness ratio, the out of roundness, longitudinal strain and equivalent plastic strain increase gradually. With the buried depth increasing, the deflection, out of roundness and strain of the pipeline decrease. Internal pressure and friction coefficient have little effect on the deflection of buried pipeline. Out of roundness is reduced and the strain is increased gradually with the increasing of internal pressure. The physical properties of soil have a great influence on the mechanical properties of buried pipeline. The results from the present study can be used for the development of optimization design and preventive maintenance for buried steel pipelines.", "link"=>"http://www.mendeley.com/research/numerical-modeling-mechanical-behavior-buried-steel-pipelines-crossing-subsidence-strata", "reader_count"=>8, "reader_count_by_academic_status"=>{"Professor > Associate Professor"=>1, "Student > Doctoral Student"=>2, "Student > Ph. D. Student"=>2, "Student > Master"=>2, "Lecturer"=>1}, "reader_count_by_user_role"=>{"Professor > Associate Professor"=>1, "Student > Doctoral Student"=>2, "Student > Ph. D. Student"=>2, "Student > Master"=>2, "Lecturer"=>1}, "reader_count_by_subject_area"=>{"Engineering"=>5, "Environmental Science"=>1, "Medicine and Dentistry"=>1, "Energy"=>1}, "reader_count_by_subdiscipline"=>{"Engineering"=>{"Engineering"=>5}, "Medicine and Dentistry"=>{"Medicine and Dentistry"=>1}, "Energy"=>{"Energy"=>1}, "Environmental Science"=>{"Environmental Science"=>1}}, "group_count"=>2}

Scopus | Further Information

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/2133799"], "description"=>"<p>The red line DC represents the buried pipeline, and it is divided into four sections according to the strata deformation.</p>", "links"=>[], "tags"=>["friction coefficient", "inelastic material behavior", "equivalent plastic strain increase", "pipeline", "transition subsidence section", "roundness", "strata subsidence"], "article_id"=>1461150, "categories"=>["Uncategorised"], "users"=>["J. Zhang", "Z. Liang", "C. J. Han"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130459.g001", "stats"=>{"downloads"=>1, "page_views"=>85, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Schematic_diagram_of_strata_subsidence_and_pipeline_bending_deformation_/1461150", "title"=>"Schematic diagram of strata subsidence and pipeline bending deformation.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-06-23 03:05:22"}
  • {"files"=>["https://ndownloader.figshare.com/files/2133816"], "description"=>"<p>(a) Finite element model of the buried pipeline. (b) Finite element model of the strata, and it is divided into two blocks. (c) Cross section of the whole model.</p>", "links"=>[], "tags"=>["friction coefficient", "inelastic material behavior", "equivalent plastic strain increase", "pipeline", "transition subsidence section", "roundness", "strata subsidence"], "article_id"=>1461151, "categories"=>["Uncategorised"], "users"=>["J. Zhang", "Z. Liang", "C. J. Han"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130459.g002", "stats"=>{"downloads"=>0, "page_views"=>7, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Finite_element_models_of_the_soil_and_buried_pipeline_/1461151", "title"=>"Finite element models of the soil and buried pipeline.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-06-23 03:05:22"}
  • {"files"=>["https://ndownloader.figshare.com/files/2133817"], "description"=>"<p>Relationship of stress and strain of the two buried pipeline materials.</p>", "links"=>[], "tags"=>["friction coefficient", "inelastic material behavior", "equivalent plastic strain increase", "pipeline", "transition subsidence section", "roundness", "strata subsidence"], "article_id"=>1461152, "categories"=>["Uncategorised"], "users"=>["J. Zhang", "Z. Liang", "C. J. Han"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130459.g003", "stats"=>{"downloads"=>2, "page_views"=>16, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Stress_strain_curves_of_X65_and_X80_/1461152", "title"=>"Stress-strain curves of X65 and X80.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-06-23 03:05:22"}
  • {"files"=>["https://ndownloader.figshare.com/files/2133819"], "description"=>"<p>Deformations of the hole wall in the subsidence strata and no-subsidence strata are different.</p>", "links"=>[], "tags"=>["friction coefficient", "inelastic material behavior", "equivalent plastic strain increase", "pipeline", "transition subsidence section", "roundness", "strata subsidence"], "article_id"=>1461154, "categories"=>["Uncategorised"], "users"=>["J. Zhang", "Z. Liang", "C. J. Han"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130459.g004", "stats"=>{"downloads"=>0, "page_views"=>4, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Deformations_of_the_strata_and_buried_pipeline_/1461154", "title"=>"Deformations of the strata and buried pipeline.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-06-23 03:05:22"}
  • {"files"=>["https://ndownloader.figshare.com/files/2133820"], "description"=>"<p>(a) Longitudinal strain of DA section pipeline. (b) Equivalent plastic strain of DA section pipeline.</p>", "links"=>[], "tags"=>["friction coefficient", "inelastic material behavior", "equivalent plastic strain increase", "pipeline", "transition subsidence section", "roundness", "strata subsidence"], "article_id"=>1461155, "categories"=>["Uncategorised"], "users"=>["J. Zhang", "Z. Liang", "C. J. Han"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130459.g005", "stats"=>{"downloads"=>1, "page_views"=>2, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Longitudinal_strain_and_equivalent_plastic_strain_of_DA_pipeline_/1461155", "title"=>"Longitudinal strain and equivalent plastic strain of DA pipeline.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-06-23 03:05:22"}
  • {"files"=>["https://ndownloader.figshare.com/files/2133821"], "description"=>"<p>(a) Bending deformation of the buried pipeline. (b) Cross section shape of the most dangerous part of the buried pipeline.</p>", "links"=>[], "tags"=>["friction coefficient", "inelastic material behavior", "equivalent plastic strain increase", "pipeline", "transition subsidence section", "roundness", "strata subsidence"], "article_id"=>1461156, "categories"=>["Uncategorised"], "users"=>["J. Zhang", "Z. Liang", "C. J. Han"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130459.g006", "stats"=>{"downloads"=>1, "page_views"=>8, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Bending_deformations_and_cross_section_shapes_under_different_subsidence_/1461156", "title"=>"Bending deformations and cross section shapes under different subsidence.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-06-23 03:05:22"}
  • {"files"=>["https://ndownloader.figshare.com/files/2133823"], "description"=>"<p>(a) Circular cross section of the new pipeline. (b) Elliptical cross section. (c) Crescent cross section.</p>", "links"=>[], "tags"=>["friction coefficient", "inelastic material behavior", "equivalent plastic strain increase", "pipeline", "transition subsidence section", "roundness", "strata subsidence"], "article_id"=>1461158, "categories"=>["Uncategorised"], "users"=>["J. Zhang", "Z. Liang", "C. J. Han"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130459.g007", "stats"=>{"downloads"=>1, "page_views"=>2, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Cross_section_shapes_of_the_pipeline_before_and_after_failure_/1461158", "title"=>"Cross section shapes of the pipeline before and after failure.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-06-23 03:05:22"}
  • {"files"=>["https://ndownloader.figshare.com/files/2133824"], "description"=>"<p>Dotted line represents the boundary between the settlement and no-settlement strata.</p>", "links"=>[], "tags"=>["friction coefficient", "inelastic material behavior", "equivalent plastic strain increase", "pipeline", "transition subsidence section", "roundness", "strata subsidence"], "article_id"=>1461159, "categories"=>["Uncategorised"], "users"=>["J. Zhang", "Z. Liang", "C. J. Han"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130459.g008", "stats"=>{"downloads"=>4, "page_views"=>5, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Longitudinal_strain_curves_under_different_subsidence_/1461159", "title"=>"Longitudinal strain curves under different subsidence.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-06-23 03:05:22"}
  • {"files"=>["https://ndownloader.figshare.com/files/2133826"], "description"=>"<p>Out of roundness <i>k</i>, longitudinal strain <i>ε</i><sub>x</sub> and equivalent plastic strain <i>ε</i><sub>p</sub> change with the increasing of strata subsidence.</p>", "links"=>[], "tags"=>["friction coefficient", "inelastic material behavior", "equivalent plastic strain increase", "pipeline", "transition subsidence section", "roundness", "strata subsidence"], "article_id"=>1461161, "categories"=>["Uncategorised"], "users"=>["J. Zhang", "Z. Liang", "C. J. Han"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130459.g009", "stats"=>{"downloads"=>2, "page_views"=>5, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Out_of_roundness_longitudinal_strain_and_equivalent_plastic_strain_curves_under_different_subsidence_/1461161", "title"=>"Out of roundness, longitudinal strain and equivalent plastic strain curves under different subsidence.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-06-23 03:05:22"}
  • {"files"=>["https://ndownloader.figshare.com/files/2133827"], "description"=>"<p>The deflection curve comes from the displacement of the nodes in the neutral surface for the buried pipeline.</p>", "links"=>[], "tags"=>["friction coefficient", "inelastic material behavior", "equivalent plastic strain increase", "pipeline", "transition subsidence section", "roundness", "strata subsidence"], "article_id"=>1461162, "categories"=>["Uncategorised"], "users"=>["J. Zhang", "Z. Liang", "C. J. Han"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130459.g010", "stats"=>{"downloads"=>1, "page_views"=>20, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Deflection_curves_of_buried_pipelines_under_different_diameter_thickness_ratios_/1461162", "title"=>"Deflection curves of buried pipelines under different diameter-thickness ratios.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-06-23 03:05:22"}
  • {"files"=>["https://ndownloader.figshare.com/files/2133828"], "description"=>"<p>Diameter-thickness ratio <i>D</i>/<i>t</i> affects the bearing capacity and mechanical strength of the pipeline.</p>", "links"=>[], "tags"=>["friction coefficient", "inelastic material behavior", "equivalent plastic strain increase", "pipeline", "transition subsidence section", "roundness", "strata subsidence"], "article_id"=>1461163, "categories"=>["Uncategorised"], "users"=>["J. Zhang", "Z. Liang", "C. J. Han"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130459.g011", "stats"=>{"downloads"=>3, "page_views"=>20, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Out_of_roundness_longitudinal_strain_and_equivalent_plastic_strain_curves_under_different_diameter_thickness_ratios_/1461163", "title"=>"Out of roundness, longitudinal strain and equivalent plastic strain curves under different diameter-thickness ratios.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-06-23 03:05:22"}
  • {"files"=>["https://ndownloader.figshare.com/files/2133829"], "description"=>"<p>Deformation of buried pipeline decreases with the increasing of buried depths.</p>", "links"=>[], "tags"=>["friction coefficient", "inelastic material behavior", "equivalent plastic strain increase", "pipeline", "transition subsidence section", "roundness", "strata subsidence"], "article_id"=>1461164, "categories"=>["Uncategorised"], "users"=>["J. Zhang", "Z. Liang", "C. J. Han"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130459.g012", "stats"=>{"downloads"=>1, "page_views"=>10, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Bending_deformation_of_buried_pipelines_under_different_buried_depths_/1461164", "title"=>"Bending deformation of buried pipelines under different buried depths.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-06-23 03:05:22"}
  • {"files"=>["https://ndownloader.figshare.com/files/2133831"], "description"=>"<p>Buried depth has a great effect on the buried pipeline in subsidence strata, but has a small effect on the other section.</p>", "links"=>[], "tags"=>["friction coefficient", "inelastic material behavior", "equivalent plastic strain increase", "pipeline", "transition subsidence section", "roundness", "strata subsidence"], "article_id"=>1461166, "categories"=>["Uncategorised"], "users"=>["J. Zhang", "Z. Liang", "C. J. Han"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130459.g013", "stats"=>{"downloads"=>0, "page_views"=>9, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Deflection_curves_of_buried_pipelines_under_different_buried_depths_/1461166", "title"=>"Deflection curves of buried pipelines under different buried depths.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-06-23 03:05:22"}
  • {"files"=>["https://ndownloader.figshare.com/files/2133832"], "description"=>"<p>Out of roundness <i>k</i>, longitudinal strain <i>ε</i><sub>x</sub> and equivalent plastic strain <i>ε</i><sub>p</sub> change with the increasing of the buried depth.</p>", "links"=>[], "tags"=>["friction coefficient", "inelastic material behavior", "equivalent plastic strain increase", "pipeline", "transition subsidence section", "roundness", "strata subsidence"], "article_id"=>1461167, "categories"=>["Uncategorised"], "users"=>["J. Zhang", "Z. Liang", "C. J. Han"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130459.g014", "stats"=>{"downloads"=>1, "page_views"=>11, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Out_of_roundness_longitudinal_strain_and_equivalent_plastic_strain_curves_under_different_buried_depths_/1461167", "title"=>"Out of roundness, longitudinal strain and equivalent plastic strain curves under different buried depths.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-06-23 03:05:22"}
  • {"files"=>["https://ndownloader.figshare.com/files/2133833"], "description"=>"<p>Buried pipeline with different pressures (0~ <i>P</i><sub>max</sub>) was investigated.</p>", "links"=>[], "tags"=>["friction coefficient", "inelastic material behavior", "equivalent plastic strain increase", "pipeline", "transition subsidence section", "roundness", "strata subsidence"], "article_id"=>1461168, "categories"=>["Uncategorised"], "users"=>["J. Zhang", "Z. Liang", "C. J. Han"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130459.g015", "stats"=>{"downloads"=>1, "page_views"=>11, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Deflection_curves_of_buried_pipelines_under_different_internal_pressures_/1461168", "title"=>"Deflection curves of buried pipelines under different internal pressures.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-06-23 03:05:22"}
  • {"files"=>["https://ndownloader.figshare.com/files/2133835"], "description"=>"<p>Internal pressure can enhance the ability of resistance to deformation for the buried pipeline, out of roundness <i>k</i>, longitudinal strain <i>ε</i><sub>x</sub> and equivalent plastic strain <i>ε</i><sub>p</sub> can be affected by the internal pressure.</p>", "links"=>[], "tags"=>["friction coefficient", "inelastic material behavior", "equivalent plastic strain increase", "pipeline", "transition subsidence section", "roundness", "strata subsidence"], "article_id"=>1461170, "categories"=>["Uncategorised"], "users"=>["J. Zhang", "Z. Liang", "C. J. Han"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130459.g016", "stats"=>{"downloads"=>2, "page_views"=>24, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Out_of_roundness_longitudinal_strain_and_equivalent_plastic_strain_curves_under_different_internal_pressures_/1461170", "title"=>"Out of roundness, longitudinal strain and equivalent plastic strain curves under different internal pressures.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-06-23 03:05:22"}
  • {"files"=>["https://ndownloader.figshare.com/files/2133837"], "description"=>"<p>Buried pipelines under loess strata, sand strata and clay strata were investigated.</p>", "links"=>[], "tags"=>["friction coefficient", "inelastic material behavior", "equivalent plastic strain increase", "pipeline", "transition subsidence section", "roundness", "strata subsidence"], "article_id"=>1461172, "categories"=>["Uncategorised"], "users"=>["J. Zhang", "Z. Liang", "C. J. Han"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130459.g017", "stats"=>{"downloads"=>2, "page_views"=>12, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Deflection_curves_of_buried_pipelines_under_different_soils_/1461172", "title"=>"Deflection curves of buried pipelines under different soils.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-06-23 03:05:22"}
  • {"files"=>["https://ndownloader.figshare.com/files/2133838"], "description"=>"<p>The maximum displacement <i>y</i>, out of roundness <i>k</i>, longitudinal strain <i>ε</i><sub>x</sub> and equivalent plastic strain <i>ε</i><sub>p</sub> of the buried pipeline were calculated under different friction coefficients.</p><p>Results under different friction coefficients.</p>", "links"=>[], "tags"=>["friction coefficient", "inelastic material behavior", "equivalent plastic strain increase", "pipeline", "transition subsidence section", "roundness", "strata subsidence"], "article_id"=>1461173, "categories"=>["Uncategorised"], "users"=>["J. Zhang", "Z. Liang", "C. J. Han"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130459.t001", "stats"=>{"downloads"=>1, "page_views"=>2, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Results_under_different_friction_coefficients_/1461173", "title"=>"Results under different friction coefficients.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2015-06-23 03:05:22"}
  • {"files"=>["https://ndownloader.figshare.com/files/2133839"], "description"=>"<p>Sand and clay are also described through an elastic-perfectly plastic Mohr-Coulomb constitutive model, characterized by cohesion <i>c</i>, friction angle <i>ϕ</i>, elastic modulus <i>E</i>, and Poisson's ratio <i>ν</i>.</p><p>Physical parameters of soils.</p>", "links"=>[], "tags"=>["friction coefficient", "inelastic material behavior", "equivalent plastic strain increase", "pipeline", "transition subsidence section", "roundness", "strata subsidence"], "article_id"=>1461174, "categories"=>["Uncategorised"], "users"=>["J. Zhang", "Z. Liang", "C. J. Han"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130459.t002", "stats"=>{"downloads"=>7, "page_views"=>4, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Physical_parameters_of_soils_/1461174", "title"=>"Physical parameters of soils.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2015-06-23 03:05:22"}
  • {"files"=>["https://ndownloader.figshare.com/files/2133840"], "description"=>"<p>Out of roundness <i>k</i>, longitudinal strain <i>ε</i><sub>x</sub> and equivalent plastic strain <i>ε</i><sub>p</sub> of the buried pipeline under loess, sand and clay stratums are shown in the table.</p><p>Pipeline strains under different soils.</p>", "links"=>[], "tags"=>["friction coefficient", "inelastic material behavior", "equivalent plastic strain increase", "pipeline", "transition subsidence section", "roundness", "strata subsidence"], "article_id"=>1461175, "categories"=>["Uncategorised"], "users"=>["J. Zhang", "Z. Liang", "C. J. Han"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130459.t003", "stats"=>{"downloads"=>1, "page_views"=>12, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Pipeline_strains_under_different_soils_/1461175", "title"=>"Pipeline strains under different soils.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2015-06-23 03:05:22"}

PMC Usage Stats | Further Information

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Relative Metric

{"start_date"=>"2015-01-01T00:00:00Z", "end_date"=>"2015-12-31T00:00:00Z", "subject_areas"=>[]}
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