Numerical analysis of seismic response of a circular tunnel-rectangular underpass system in liquefiable soil

X Bao, H Yuan, J Shen, C Liu, X Chen, H Cui - Computers and Geotechnics, 2024 - Elsevier
Earthquake-induced liquefaction can lead to uplift displacements of underground structures.
While the behaviour of a single underground structure has been extensively studied, the …

Analytical and numerical buckling of bi-material pipelines reinforced by novel composite polyhedral linings

G Chang, Q Zhang, Y Li, Z Li - Applied Ocean Research, 2023 - Elsevier
This study concerns the mechanical stability performances of a composite lining constrained
in a cracked pipeline. A polyhedral cross-section is used to improve the load capacity of the …

Numerical analysis and optimization of CFRP buckle arrestors in subsea pipelines

M Alrsai - Marine Structures, 2024 - Elsevier
This research investigates the collapse mechanisms and crossover pressure capacity of
carbon fiber-reinforced polymer (CFRP) buckle arrestors in subsea pipelines. A nonlinear …

Structural optimization model of confined polyhedral composite subsea pipelines under pressure and thermal fields

X Xiao, Q Zhang, G Chang, Y Liu, Z Li - Marine Structures, 2024 - Elsevier
This paper investigates the structural optimization of a polyhedral composite subsea
pipeline (cylinder) under pressure and thermal fields. The pipeline is confined tightly and …

Integrated finite element analysis and machine learning approach for propagation pressure prediction in hybrid Steel-CFRP subsea pipelines

M Alrsai, H Karampour, M Alhawamdeh, O Alajarmeh - Ocean …, 2024 - Elsevier
Accurate prediction of the propagation pressure (PP) in hybrid steel-CFRP pipe systems
presents a substantial challenge due to intricate interactions and complex collapse failure …

Experimental and analytical evaluation of the performance of hybrid steel-CFRP pipelines at high external pressures

M Alrsai, H Karampour, H Alsanat, H Guan, H Lin - Engineering Structures, 2024 - Elsevier
Behavior of hybrid steel-CFRP pipe systems under external pressures is studied herein
using a combination of experimental, analytical, and finite element (FE) methods. Hyperbaric …

Buckle propagation failure of subsea pipelines; experimental, analytical, and numerical simulations

M Alrsai, A Alsahalen, H Karampour… - … Based Design of …, 2024 - Taylor & Francis
This research program investigates buckle propagation in subsea pipeline systems, The
study aims to understand and predict propagation pressure (PP), essential for ensuring the …

[PDF][PDF] 海上管中管结构力学研究现状与发展

孙巧雷, 张辉易, 姚力萍, 李乐勤, 张圆圆, 冯定 - 科学技术与工程, 2023 - stae.com.cn
摘要为了避免风浪流, 泥线低温等海洋环境载荷对钻完井作业及生产管柱的影响,
海上管中管结构以其良好的安全保护, 保温, 传输等性能被广泛应用. 目前, 管中管的力学 …