CAJ | 학술논문

以广西北部湾经济区吹填土作为研究对象，将土样置于稳定直流电场中，通过控制电场的有无，同时调整场强、土样含水率、密实度以及淡化程度，研究不同条件下土体内部电荷的变化规律，初步模拟雷雨云与大地之间的电性响应，以便进一步探究岩土体的“引雷”机制。结果表明，附加电场与大气电场均对土体内部电荷变化存在影响，且随着场强的增大表现得更显著；高含水率、低淡化程度，能促进电荷移动，增强土体导电性能，但含水率升高到一定程度后这种作用趋于稳定状态；土体密实度对其内部电荷分布具有一定影响，但规律性不明显。
이엄서북부만경제구취전토작위연구대상，장토양치우은정직류전장중，통과공제전장적유무，동시조정장강、토양함수솔、밀실도이급담화정도，연구불동조건하토체내부전하적변화규률，초보모의뇌우운여대지지간적전성향응，이편진일보탐구암토체적“인뢰”궤제。결과표명，부가전장여대기전장균대토체내부전하변화존재영향，차수착장강적증대표현득경현저；고함수솔、저담화정도，능촉진전하이동，증강토체도전성능，단함수솔승고도일정정도후저충작용추우은정상태；토체밀실도대기내부전하분포구유일정영향，단규률성불명현。
With the purpose of the study on change rule of internal charge in soil specimens under differing circumstances ,dredger fill ,which was collected from Guangxi Beibu Gulf Economic Zone ,was studied in various parameters ,including the absence/presence of the applied DC electric field ,different levels of field strength ,soil water content ,soil compactness ,and degree of desalination .Moreover ,through tentatively simulating the electrical response between thundercloud and earth mass ,the triggered lightning mechanism of rock soil mass was explored .The results show that both additive electrical field and atmospheric electric field had influence over charge variation of soil ,the impact of which would become more significant with the increasing field strength .Higher soil water content and lower degree of desalination could enhance the charge variation and conductivity of soil ,whilst this action effect would remain stable when soil water content reached a certain degree .Although soil compactness make some effect for the charge distribution , its regularity is undefined so far .