Evaluation of anisotropic permeability in sand or gravel layer at the constraction site

Takaaki Shimizu; Masamichi Aoki; Makoto Nishigaki

doi:10.3130/aijs.73.275

Evaluation of anisotropic permeability in sand or gravel layer at the constraction site

Takaaki Shimizu, Masamichi Aoki, Makoto Nishigaki

Faculty of Environmental Science and Technology

Research output: Contribution to journal › Article › peer-review

Abstract

When we design the length of a cut-off wall, it is very important to consider an anisotropic permeability of the ground. The purpose of this study is to evaluate an anisotoropic permeability in macro area of the ground. Our proposed method is using an inverse analysis of FEM model with measurements of flowrate, and drawdown at construction site. It was examined about the application of the method to multi layer ground. And anisotoropic permeability was shown at 9 construction sites. Further, relation anisotoropic permeability and N number, fine fraction, or articles of boring suevey were shown.

Original language	English
Pages (from-to)	275-281
Number of pages	7
Journal	Journal of Structural and Construction Engineering
Volume	73
Issue number	624
DOIs	https://doi.org/10.3130/aijs.73.275
Publication status	Published - Feb 2008

Keywords

Anisotropy
Construction site
Inverse analysis
Permeability

ASJC Scopus subject areas

Architecture
Building and Construction

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10.3130/aijs.73.275

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abstract = "When we design the length of a cut-off wall, it is very important to consider an anisotropic permeability of the ground. The purpose of this study is to evaluate an anisotoropic permeability in macro area of the ground. Our proposed method is using an inverse analysis of FEM model with measurements of flowrate, and drawdown at construction site. It was examined about the application of the method to multi layer ground. And anisotoropic permeability was shown at 9 construction sites. Further, relation anisotoropic permeability and N number, fine fraction, or articles of boring suevey were shown.",

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N2 - When we design the length of a cut-off wall, it is very important to consider an anisotropic permeability of the ground. The purpose of this study is to evaluate an anisotoropic permeability in macro area of the ground. Our proposed method is using an inverse analysis of FEM model with measurements of flowrate, and drawdown at construction site. It was examined about the application of the method to multi layer ground. And anisotoropic permeability was shown at 9 construction sites. Further, relation anisotoropic permeability and N number, fine fraction, or articles of boring suevey were shown.

AB - When we design the length of a cut-off wall, it is very important to consider an anisotropic permeability of the ground. The purpose of this study is to evaluate an anisotoropic permeability in macro area of the ground. Our proposed method is using an inverse analysis of FEM model with measurements of flowrate, and drawdown at construction site. It was examined about the application of the method to multi layer ground. And anisotoropic permeability was shown at 9 construction sites. Further, relation anisotoropic permeability and N number, fine fraction, or articles of boring suevey were shown.

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KW - Construction site

KW - Inverse analysis

KW - Permeability

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Evaluation of anisotropic permeability in sand or gravel layer at the constraction site

Abstract

Keywords

ASJC Scopus subject areas

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