环肋圆柱壳基准模型承载能力预报与试验研究

高原; 赵勰; 谢晓忠; 姚超凡; 陈沙古; 卞如冈; 黄如旭

doi:10.7643/issn.1672-9242.2025.08.015

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装备环境工程 ›› 2025, Vol. 22 ›› Issue (8) : 121-129. DOI: 10.7643/issn.1672-9242.2025.08.015

船舶及海洋工程装备

环肋圆柱壳基准模型承载能力预报与试验研究

高原^1,2, 赵勰^1,3, 谢晓忠^1,3, 姚超凡⁴, 陈沙古^1,3, 卞如冈¹, 黄如旭^1,2

作者信息 +

Prediction and Experimental Study of Bearing Capacity of Circular Ribbed Cylindrical Shell Benchmark Model

GAO Yuan^1,2, ZHAO Xie^1,3, XIE Xiaozhong^1,3, YAO Chaofan⁴, CHEN Shagu^1,3, BIAN Rugang¹, HUANG Ruxu^1,2

Author information +

文章历史 +

摘要

目的分析圆柱壳力学性能,验证结构安全性的预报方法。方法设计并建造高强钢环肋圆柱壳精车模型,开展静水外压试验,测量结构的应力应变数据和破坏压力,采用数值模拟方法对结构进行计算。结果试验结果和数值模拟结果基本吻合,采用线性强化弹塑性力学模型可以很好地模拟高强钢的本构关系。试验和计算结果表明,跨中壳板和跨端壳板区域的力学性能是评估环肋圆柱壳结构安全性的重点。结论研究成果可为深海装备耐压结构的设计和相关理论计算方法的建立提供参考,所采用的数值模拟分析方法可为耐压结构的安全性分析提供参考。

Abstract

The work aims to analyze the mechanical properties of cylindrical shells and verify the prediction method of structural safety. A fine turning model of high-strength steel ring-ribbed cylindrical shell was designed and constructed. The static water external pressure test was carried out. The stress-strain data and failure pressure of the structure were measured. The experimental results were in good agreement with the numerical simulation results. The constitutive relationship of high-strength steel could be well simulated by the linear reinforced elastoplastic mechanics model. The test and calculation results showed that the mechanical properties of the mid-span shell plate and the end-span shell plate were the key points to evaluate the safety of circular ribbed cylindrical shell structures. The research results can provide references for the design of underwater pressure-resistant structures and the establishment of relevant design calculation theory methods, and the numerical simulation analysis method established can serve as a reference for the safety prediction of pressure-resistant structures

导出引用

高原, 赵勰, 谢晓忠, 姚超凡, 陈沙古, 卞如冈, 黄如旭. 环肋圆柱壳基准模型承载能力预报与试验研究[J]. 装备环境工程. 2025, 22(8): 121-129 https://doi.org/10.7643/issn.1672-9242.2025.08.015

GAO Yuan, ZHAO Xie, XIE Xiaozhong, YAO Chaofan, CHEN Shagu, BIAN Rugang, HUANG Ruxu. Prediction and Experimental Study of Bearing Capacity of Circular Ribbed Cylindrical Shell Benchmark Model[J]. Equipment Environmental Engineering. 2025, 22(8): 121-129 https://doi.org/10.7643/issn.1672-9242.2025.08.015

中图分类号： U661.4

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