Experimental study for swelling ratio and pressure of water swelling material as an impermeable material

Shinya Inazumi, Makoto Kimura, Tadashi Wakatsuki, Masakatsu Kobayashi

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A water swelling material is one of the rubbery impermeable materials which mixed synthetic resin elastomers as a base material, high absorbency polymers, filler and solvents. In this study, swelling characteristics of the water swelling material on the water polluted with COD and BOD, as an impermeable material at coastal waste landfill site, are examined by laboratory swelling ratio test. Furthermore, the factor in which it influences the swelling pressure of water swelling material is clarified by measuring the swelling pressure. As the results, the COD nor the BOD concentrations in the soaked water influence the swelling ratio of the water swelling material. When the thicknesses of water swelling material are 2 and 3mm, the maximum swelling pressure of 0.5 and 0.7MPa that correspond to hydraulic pressure by depth of 50 and 70 m is possessed, respectively.

Original languageEnglish
Pages (from-to)240-244
Number of pages5
JournalZairyo/Journal of the Society of Materials Science, Japan
Volume60
Issue number3
DOIs
Publication statusPublished - 2011 Mar
Externally publishedYes

Fingerprint

swelling
Swelling
Water
water
biochemical oxygen demand
crack opening displacement
Biochemical oxygen demand
synthetic resins
Synthetic Resins
Synthetic resins
Elastomers
landfills
high polymers
elastomers
Land fill
fillers
hydraulics
Fillers
Polymers
Hydraulics

Keywords

  • BOD
  • COD
  • Swelling pressure
  • Swelling ratio
  • Water swelling material

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanical Engineering
  • Mechanics of Materials
  • Condensed Matter Physics

Cite this

Experimental study for swelling ratio and pressure of water swelling material as an impermeable material. / Inazumi, Shinya; Kimura, Makoto; Wakatsuki, Tadashi; Kobayashi, Masakatsu.

In: Zairyo/Journal of the Society of Materials Science, Japan, Vol. 60, No. 3, 03.2011, p. 240-244.

Research output: Contribution to journalArticle

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