Electrical shock characteristics of hydraulic fill in reclamation land in Beibu Gulf of Guangxi

OU Xiao-duo; PAN Xin; HOU Kai-wen; JIANG Jie; LIU Zi-yan

doi:10.16285/j.rsm.2017.1610

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Electrical shock characteristics of hydraulic fill in reclamation land in Beibu Gulf of Guangxi

更新时间：2026-06-25

- Electrical shock characteristics of hydraulic fill in reclamation land in Beibu Gulf of Guangxi
- Vol. 39, Issue S1, Pages: 348-354(2018)
- 作者机构：
  
  1. 广西大学土木建筑工程学院,广西,南宁,530004
  2. 广西大学工程防灾与结构安全教育部重点实验室,广西,南宁,530004
  3. 广西金属尾矿安全防控工程技术研究中心,广西,南宁,530004
  4. 广东省基础工程集团有限公司,广东,广州,510620
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2017.1610
  CLC： TU449
- Online First：02 September 2018，
  
  Published：2018
- 稿件说明：
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OU Xiao-duo, PAN Xin, HOU Kai-wen, et al. Electrical shock characteristics of hydraulic fill in reclamation land in Beibu Gulf of Guangxi[J]. 2018, 39(S1): 348-354.
DOI：

OU Xiao-duo, PAN Xin, HOU Kai-wen, et al. Electrical shock characteristics of hydraulic fill in reclamation land in Beibu Gulf of Guangxi[J]. 2018, 39(S1): 348-354. DOI： 10.16285/j.rsm.2017.1610.

摘要

吹填土陆域的固有特性是造成其频受雷击的重要因素之一。针对广西北部湾吹填土的电冲击特性，结合理论分析、室内试验和数值模拟的方法对其展开研究，探究其与外电场的响应规律。首先从Archie电阻率模型理论出发，结合土体的介电常数公式，提出了吹填土的电冲击模型，认为影响其与外电场之间的响应规律的主要因素是干密度、含水率和含盐量。电冲击试验表明，吹填土击穿场强随含水率对数和干密度对数的升高呈线性降低，随含盐量的升高呈指数降低。再结合数值模拟结果发现，含水率、干密度和含盐量越高，吹填土内部场强越大，受冲击电场作用越显著，对外电场的响应越强烈，其中又以含水率和含盐量的影响为主。

Abstract

The natural characteristics of hydraulic fill for land is one of the important factors that cause its frequency to be struck by lightning. Based on the theoretical analysis

laboratory test and numerical simulation

the electric shock characteristics of hydraulic fill in Guangxi Beibu Gulf are studied; and then its response rule to the external electric field is explored. Based on the theory of Archie resistivity model and the formula of dielectric constant of soil

the electric shock model of hydraulic fill is proposed; and the main factors affecting the response law between soil and electric field are dry density

water content and salt content. Then the electrical shock test shows that breakdown strength of hydraulic fill has a logarithmic relationship decreasing with the water content and dry density

and the exponential relationship decreasing with salt content. On this basis

combined with the numerical simulation results

it is found that the higher the water content

dry density and salt content

the greater the electric field inside the dredger fill

the more remarkable of the impact field on the dredger fill

and the stronger the response to the external electric field. Among them

the influence of water content and salt content is the main.

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