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Experimental studies of the bond response of three-wire strands and some influencing parameters



Title: Experimental studies of the bond response of three-wire strands and some influencing parameters
Author(s): R. Gustavson
Paper category : journal
Serial title: Materials and Structures
Abreviated Serial title: Mater. Struct.
ISSN: 1359-5997
Publisher: RILEM Publications SARL
Volume: 37
Issue: 266
Issue date: 2004-03-01
Publication year: 2004
Pages: 96 - 106
Total Pages: 11
Nb references: 17
Language: English


Abstract: This paper deals with flow properties of mercury (Mercury Intrusion Porosimetry, MIP) and water (permeability measurements and capillarity) in building materials.
The aim of this work is to study the validity range of the constancy hypothesis of the contact angle, usually admitted in porosity measurements (MIP, and capillarity), by establishing an explicit relationship between the contact angle and the capillary radius.
For mercury and water we have showed that: (i) on one hand, for a given value of pressure, the contact angle between the liquid and the capillary walls starts to change significantly only from a 'critical' value of capillary radius R, (ii) on the other hand, in static state, the sphericity of liquid front depends equally on the capillary radius: the water has a spherical form when R <= 10 m, mercury has this form only for pores with radius R <= 10(3) µm.
This expresses the framework of Washburn 's law applicability.


Online publication: 2004-01-26
Classification: Scientific Reports
Publication type : full_text
Public price (Euros): 0.00
doi: 10.1617/13909


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