Finite Element Modeling of Axial–Vertical Interaction Behavior of Buried Pipelines in Dense Sand

Ahmed, Sheikh Sharif; Ahmed, Sheikh Shahriar

doi:10.17736/ijope.2019.bn15

Cited by 2 publications

(2 citation statements)

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“…On the other hand, numerical simulation has become a widely used method due to the environmental restrictions for field test. Yawa and Shuea (1996) and Ahmed and Ahmed (2019) investigated the mechanical properties of buried pipelines in elastic soft soil through numerical simulation. Specifically, pipeline parameters, buried mode, buried depth ratio, friction between pipes, and soil were found to be the main factors affecting the mechanical properties of buried pipelines.…”

Section: Introductionmentioning

confidence: 99%

Deformation properties of arched glass fiber reinforced plastics structure under static load: Considering the soil cover and rise-span ratio

Liu

Zhang

Xue

et al. 2022

Advances in Structural Engineering

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In this study, the load level, soil cover height, rise-span ratio, and arch foot constraint state were utilized to explore the mechanical properties of buried arch glass fiber reinforced plastics (GFRP) structures. Through the indoor scale-down test, the stress and deformation of arched GFRP structures under different load and soil cover height were investigated. Additionally, through the three-dimensional finite element method, the influence of the rise-span ratio and the constraint state of arch foot on the mechanical properties were obtained. The results indicate the new buried composite arch structure has excellent bearing capacity for the possible traffic load. Simultaneously, the semi-elliptical arch structure was believed to outperform the semi-circular arch structure when considering the external load. Specifically, increasing the soil cover height and reducing rise-span ratio were found to achieve the load-reduction effect.

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Section: Introductionmentioning

confidence: 99%

Deformation properties of arched glass fiber reinforced plastics structure under static load: Considering the soil cover and rise-span ratio

Liu

Zhang

Xue

et al. 2022

Advances in Structural Engineering

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“…Factors, such as pipeline parameters, embedding methods, buried depth ratio, and friction between pipes and soil, primarily influence the stress characteristics of buried pipelines. 14,15 In addition, Wei et al. used the Spangle pipe–soil interaction model to obtain a formula for calculating the vertical convergent deformation of a steel-corrugated pipe culvert, which not only considered the resistance coefficient and subgrade coefficient of the soil on the side of the culvert but also reflected the deformation of the steel-corrugated pipe and stress characteristics.…”

Section: Introductionmentioning

confidence: 99%

Stress characteristics of double-row glass fiber-reinforced plastic pipe culvert with sand and optimization of load reduction parameters under adverse conditions

Wang

Jiao

Lian-yu

et al. 2020

Journal of Reinforced Plastics and Composites

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In this study, the stress and deformation rules of the double-row fiber-reinforced plastic sand pipes under the two loading methods of single-pipe and double-pipe loading were discussed. First, the indoor full-scale test was used to analyze the single-tube pipe top loading. The 90° measurement point of the loaded pipe and the 270° measurement point of the adjacent pipe were the most unfavorable positions for the stress of the pipeline. Through investigating the influence of cover soil height, load level, and compaction on the mechanical index of the most unfavorable load-bearing measuring point of the pipeline, the height of the overburden is found to be the most significant factor affecting the double-pipe stress system. Second, the numerical calculation model of the stress of the double-row pipeline was established to analyze the stress and deformation of the pipe culvert when the spacing of the double pipe was changed. The results indicated the critical spacing equivalent to the stress of the single pipe was 2.5D. Finally, the numerical method was also used to optimize the parameter of the geogrid at the top of the pipe in the most unfavorable stress state of the double pipe with 550-mm pipe spacing and double-loaded mode.

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Finite Element Modeling of Axial–Vertical Interaction Behavior of Buried Pipelines in Dense Sand

Cited by 2 publications

References 0 publications

Deformation properties of arched glass fiber reinforced plastics structure under static load: Considering the soil cover and rise-span ratio

Deformation properties of arched glass fiber reinforced plastics structure under static load: Considering the soil cover and rise-span ratio

Stress characteristics of double-row glass fiber-reinforced plastic pipe culvert with sand and optimization of load reduction parameters under adverse conditions

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