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海洋土细颗粒含量对码头动力稳定性的影响

吕传利 韩其婷 王毅 王启贵

吕传利, 韩其婷, 王毅, 王启贵. 海洋土细颗粒含量对码头动力稳定性的影响[J]. 工业建筑, 2023, 53(6): 19-24. doi: 10.13204/j.gyjzG22060620
引用本文: 吕传利, 韩其婷, 王毅, 王启贵. 海洋土细颗粒含量对码头动力稳定性的影响[J]. 工业建筑, 2023, 53(6): 19-24. doi: 10.13204/j.gyjzG22060620
LYU Chuanli, HAN Qiting, WANG Yi, WANG Qigui. Influence of Contents of Fine Particles in Marine Soil on Dynamic Stability of Wharfs[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(6): 19-24. doi: 10.13204/j.gyjzG22060620
Citation: LYU Chuanli, HAN Qiting, WANG Yi, WANG Qigui. Influence of Contents of Fine Particles in Marine Soil on Dynamic Stability of Wharfs[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(6): 19-24. doi: 10.13204/j.gyjzG22060620

海洋土细颗粒含量对码头动力稳定性的影响

doi: 10.13204/j.gyjzG22060620
基金项目: 

国家自然科学基金项目(52178328)。

详细信息
    作者简介:

    吕传利,男,1973年出生,硕士,高级工程师,88763875@qq.com。

    通讯作者:

    王启贵,男,xia.bian@hhu.edu.cn。

Influence of Contents of Fine Particles in Marine Soil on Dynamic Stability of Wharfs

  • 摘要: 为探究海洋土细颗粒含量对非线性变形性状的影响,对不同细颗粒含量的土体展开三轴固结不排水剪试验,得出了细颗粒含量对海洋土非线性变形性状的影响规律,结果显示:伊利土含量在0%~18%时,存在一个强度最大值,其所对应的伊利土含量为12%;当其小于12%时,土样性质主要由砂土决定,呈现应变软化特性;当伊利土含量大于临界值时,土样性质由伊利土含量主导,呈现应变硬化特性。耦合不同海洋土细颗粒含量的非线性变形特性,建立了在波浪动荷载作用下的地基-桩-上部结构三维动力响应数值模型,结果显示:当土的峰值强度较大时,软化型变形特性让码头损伤程度更严重。当峰值强度较低时,硬化型变形特性让码头损伤程度更严重;相同峰值强度下硬化型地基上码头面板最大等效应力和最大剪应力的峰值比软化型地基上的大,地基土峰值强度小的地基上码头面板应力比峰值强度大的要大;而相同峰值强度地基中,软化型地基的土层最大应力比硬化型地基的大,峰值强度小的地基土最大应力更大。这表明海洋土细颗粒含量对码头动力稳定性有着显著影响,在设计时应该考虑不同力学性质的地基土所产生的非线性响应。
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出版历程
  • 收稿日期:  2022-06-06
  • 网络出版日期:  2023-08-18

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