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Review of Scientific Instruments / Volume 78 / Issue 2 / CONDENSED MATTER; MATERIALS

Rev. Sci. Instrum. 78, 023906 (2007); http://dx.doi.org/10.1063/1.2428273 (8 pages)

Optimization of a high-pressure pore water extraction device

Martin Cyr1 and Alain Daidié2

1Laboratoire Matériaux et Durabilité des Constructions (LMDC), Toulouse 31077, France
2Laboratoire de Génie Mécanique de Toulouse (LGMT), Toulouse 31077, France

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(Received 18 October 2006; accepted 4 December 2006; published online 16 February 2007)

High-pressure squeezing is a technique used for the extraction of the pore water of porous materials such as sediments, soils, rocks, and concrete. The efficiency of extraction depends on the maximum pressures on the materials. This article presents the design of a high-pressure device reaching an axial pressure of 1000 MPa which has been developed to improve the efficiency of extraction. The increase in squeezing pressure implies high stresses inside the chamber, so specialized expertise was required to design a safe, functional device that could withstand pressures significantly higher than common laboratory equipment. The design includes finite element calculations, selection of appropriate materials, and descriptive construction details for the apparatus. It also includes an experimental study of the performance of the apparatus in terms of extraction efficiency.

© 2007 American Institute of Physics

Article Outline

  1. INTRODUCTION
  2. GENERAL DESCRIPTION OF THE HIGH-PRESSURE DEVICE
  3. MATERIALS SELECTION
  4. MECHANICAL CALCULATIONS
    1. Analytical model
    2. Numerical model
  5. APPLICATION ON CEMENT-BASED MATERIALS
    1. Materials and methods
    2. Results and discussion
  6. Summary

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KEYWORDS and PACS

Keywords

porous materials, design engineering, mechanical products

PACS

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.2428273

PUBLICATION DATA

ISSN

0034-6748 (print)  
1089-7623 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    A. Dadashev, M. P. Pasternak, G. Kh. Rozenberg, and R. D. Taylor, Rev. Sci. Instrum. 72, 2633 (2001)RSINAK000072000006002633000001.

    H. T. Hall, Rev. Sci. Instrum. 29, 267 (1958)RSINAK000029000004000267000001.


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