Preprint Article Version 2 This version is not peer-reviewed

Modification Tests to Optimize the Highways Construction in Crown of Slate Random Embankments with the Compaction Quality Control

Version 1 : Received: 6 January 2020 / Approved: 8 January 2020 / Online: 8 January 2020 (03:23:13 CET)
Version 2 : Received: 27 January 2020 / Approved: 28 January 2020 / Online: 28 January 2020 (05:22:56 CET)

A peer-reviewed article of this Preprint also exists.

Teijón-López-Zuazo, E.; Vega-Zamanillo, Á.; Calzada-Pérez, M.Á.; Ramos-Pereira, L.D. Modification Tests to Optimize Highway Construction in Crown of Slate Random Embankments with Compaction Quality Control. Materials 2020, 13, 1139. Teijón-López-Zuazo, E.; Vega-Zamanillo, Á.; Calzada-Pérez, M.Á.; Ramos-Pereira, L.D. Modification Tests to Optimize Highway Construction in Crown of Slate Random Embankments with Compaction Quality Control. Materials 2020, 13, 1139.

Journal reference: Materials 2020, 13, 1139
DOI: 10.3390/ma13051139

Abstract

Particle size can pose a challenge to random embankment compaction control methods, where practical techniques have hardly been developed and procedural control is used instead. In order to develop new quality control procedures for slate random fill, the necessary fieldwork and laboratory tests were carried out. This involved the revision of certain methods such as the wheel-tracking or topographic settlement tests. More than six hundred in-situ density and moisture content measurements were carried out for this research. In addition, more three hundred topographic settlements and three hundred wheel-tracking carriage tests were performed. The quality control processes were completed with more than thirty plate bearing tests. Possible evidence of statistical correlations between compaction control tests were identified. An analysis of variance (ANOVA) was performed. When testing proved relationships between them, the replacement of one of them by the other was assessed by deduction. Finally, the study suggests new procedures for compaction quality control of random slate fill used in crown area.

Subject Areas

slate; crown; random fill; compaction quality control; wheel-tracking test; topographic settlement

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