Land subsidence due to withdrawal of deep-groundwater

S. L. Shen, I. Tohno, Makoto Nishigaki, N. Miura

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

This paper presents a case history of land subsidence due to withdrawal of groundwater from deep marine sediments at the mid-northern part of Boso Peninsula, Chiba, Japan. Since 1969, subsidence has been observed in a large area. The maximum accumulative subsidence in the past 33 years has been about 0.85 m. In order to obtain overall information, 3D FEM analysis was conducted to calculate the land subsidence resulting from extraction of deep-ground water. The calculation method is based on the theory of groundwater flow through saturated and unsaturated media. This is an uncoupled approach for consolidation analysis. The compressibility of ground is considered in the calculation. In the calculation, the behavior of hydraulic conductivity and the compressibility of reservoir rock (Plio-Pleistocene sediments) under high pressure were determined by laboratory odometer tests and take into consideration. The analytical results were compared with the field-observed data. The results showed that this approach simulated the field case fairly well.

Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalLowland Technology International
Volume6
Issue number1
Publication statusPublished - Jun 2004

Fingerprint

Subsidence
Groundwater
Compressibility
Sediments
Groundwater flow
Hydraulic conductivity
Consolidation
Rocks
Finite element method

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Land subsidence due to withdrawal of deep-groundwater. / Shen, S. L.; Tohno, I.; Nishigaki, Makoto; Miura, N.

In: Lowland Technology International, Vol. 6, No. 1, 06.2004, p. 1-8.

Research output: Contribution to journalArticle

Shen, S. L. ; Tohno, I. ; Nishigaki, Makoto ; Miura, N. / Land subsidence due to withdrawal of deep-groundwater. In: Lowland Technology International. 2004 ; Vol. 6, No. 1. pp. 1-8.
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