Table of Contents

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Test specimens
5 Constant head method
6 Falling head method
7 Test report
Annex A (informative) - Determination of the correction
        factor, R[T], to a water temperature of 20 degree C
Annex B (informative) - Relationship between head loss and
        flow velocity
Annex C (informative) - Velocity index
Annex D (informative) - Experimental data and calculations

Abstract

Describes two test methods for determining the water permeability characteristics of a single layer of geotextile or geotextile-related product normal to the plane: a) the constant head method; and b) the falling head method.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Organization for Standardization
Pages
ISBN
Committee	TC 221
Supersedes	ISO 11058 : 1999