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Appl. Sci. 2018, 8(6), 970; https://doi.org/10.3390/app8060970

New Procedure for Compacting Prismatic Specimens of Cement-Treated Base Materials

1
Department of Civil Engineering, University of Burgos, c/Villadiego, s/n, 09001 Burgos, Spain
2
Spanish Institute of Cement and Its Applications (IECA), c/José Abascal, 53, 1º, 28003 Madrid, Spain
3
Mechanical Engineering Department, University of the Basque Country UPV/EHU, Pº Rafael Moreno Pitxitxi, 2, 48013 Bilbao, Spain
*
Author to whom correspondence should be addressed.
Received: 23 May 2018 / Revised: 7 June 2018 / Accepted: 9 June 2018 / Published: 13 June 2018
(This article belongs to the Section Materials)
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Abstract

Understanding the long-term behaviour of cement-treated base materials is a key factor to improve its design and obtain environmentally friendly pavement base materials. Their characterization requires manufacturing prismatic specimens. However, various authors highlight the absence of standardized test methods for fabricating beams in the field and laboratory, which is not an easy task because it depends on the qualification and experience of the testing team. The aim of this paper is to present a new device and procedure for compacting prismatic specimens of cement-treated base materials. In this research, it was used for compacting soil-cement to simulate its performance as a road base material. This device employs elements that are generally available in a concrete laboratory test, such as a vibrating table or prismatic moulds. Once the procedure was established, and in order to verify its suitability, flexural and compressive strength tests were carried out. Results showed that the values obtained were consistent with this material and, despite the heterogeneity of the material, specimens from the same batch provided similar results and, hence, validated the compaction process. This new compacting procedure can improve understanding of the long-term performance of cement-treated materials from flexural and fatigue tests. View Full-Text
Keywords: soil-cement; compacting procedure; cement-treated materials; base materials; unconfined compressive strength; flexural strength soil-cement; compacting procedure; cement-treated materials; base materials; unconfined compressive strength; flexural strength
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Linares-Unamunzaga, A.; Gonzalo-Orden, H.; Minguela, J.D.; Pérez-Acebo, H. New Procedure for Compacting Prismatic Specimens of Cement-Treated Base Materials. Appl. Sci. 2018, 8, 970.

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