Laboratory assessment of capillary rise in stabilised pavement materials.

Author(s)
Kodikara, J. Lee, K. & Chakrabarti, S.
Year
Abstract

This paper presents results of standard capillary rise tests carried out on two road building materials (crushed basaltic rocks and scoria) stabilised with up to 6 percent of a number of cementitious additives (GP Cement, GB cement and Alkali Activated Slag). Test results indicated that capillary rise up to the entire specimen height occurred for both materials, except for crushed basaltic rocks stabilised with 6 percent binder content. The rate of rise and the water absorption reduced as the binder content was increased and a similar trend was indicative from 7 days cured to 28 days cured specimens. On the basis of the test performed, it is difficult to draw firm conclusions in relation to the comparative performance of the three binders used. It was argued that saturated hydraulic conductivity of the stabilised material decreased with increasing binder content, which led to a reduction of the rate and, eventually, the amount of capillary rise. (Author/publisher) For the covering entry of this conference, please see ITRD abstract no. E208431.

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Publication

Library number
C 27030 (In: C 26913 CD-ROM) /22 / ITRD E209378
Source

In: Transport: our highway to a sustainable future : proceedings of the 21st ARRB and 11th REAAA Conference, Cairns, Queensland, Australia, 18-23 May 2003, 24 p., 22 ref.

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