Liquefaction Characteristics of Three-phase Saturated Calcareous Sand under Explosive Loading

LI Xiaodong;WANG Yasong;QIU Yanyu;WANG Mingyang;YUE Songlin;WANG Jianping;DENG Shuxin

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  • Sponsored by: China Association for Science and Technology (CAST)

    Editor-In-Chief: Xu Yida

    ISSN 1000-1093

    　

  • Hosted By: China Ordnance Society

    Published By: Acta Armamentarii

    CN 11-2176/TJ

Acta Armamentarii, a Chinese monthly journal, was first published in 1979. The journal is supervised by China Association for Science and Technology, sponsored by China Ordnance Society，and edited and published by Editorial Board of Acta Armamentarii. The Journal is included in all important domestic databases，and also collected by Engineering Index (EI, USA), Chemical Abstracts (CA, USA), Science Abstracts (SA, UK）, Abstract Journal (AJ, Russia), and Current Bibliography on Science and Technology(CBST).Acta Armamentarii has been selected into the journal Of Ordnance Science and Technology (Weapons Industry) Field Of High Quality Scientific and Technological Periodical Classification Catalogue (2022 edition), ranking T1, and the journal of Automotive Engineering Field of High Quality Scientific and technological Periodical classification Catalogue, ranking T2.
Acta Armamentarii ›› 2023, Vol. 44 ›› Issue (S1) : 170-179. DOI: 10.12382/bgxb.2023.0739
Paper

Liquefaction Characteristics of Three-phase Saturated Calcareous Sand under Explosive Loading

  • LI Xiaodong1,2, WANG Yasong3*,QIU Yanyu1,WANG Mingyang1,2,YUE Songlin1*, WANG Jianping4, DENG Shuxin2
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Abstract

Due to a large number of pores inside the calcareous sand, the calcareous sand is usually in a three-phase saturated state, and its liquefaction characteristics are significantly different from the fully saturated state. The large-scale explosion model of three-phase saturated calcareous sand is test out by using a self-developed device. The explosion liquefaction characteristics of calcareous sand under three-phase saturation is analyzed. A long-term dissipation model of excess pore water pressure of three-phase saturated calcareous sand is established. A dynamic liquefaction model is established for the characteristics of three-phase saturated calcareous sand, and the reliability of the model is verified by numerical simulation of explosion experiment. The research results can provide reference for the analysis of foundation stability and the construction of safety protection facilities after the explosion disaster in coastal islands.

Key words

calcareoussand / explosiveloading / three-phasesaturatedstate / liquefaction

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LI Xiaodong, WANG Yasong,QIU Yanyu,WANG Mingyang,YUE Songlin, WANG Jianping, DENG Shuxin. Liquefaction Characteristics of Three-phase Saturated Calcareous Sand under Explosive Loading. Acta Armamentarii. 2023, 44(S1): 170-179 https://doi.org/10.12382/bgxb.2023.0739

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