Preprint Article Version 1 This version is not peer-reviewed

Modification Tests to Optimize the Compaction Quality Control in Core Slate Random Embankments for Highways

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)

How to cite: Teijón-López-Zuazo, E.; Benta, A.; Vega-Zamanillo, A.; Calzada- Pérez, M.Á.; Robles-Miguel, Á. Modification Tests to Optimize the Compaction Quality Control in Core Slate Random Embankments for Highways. Preprints 2020, 2020010058 (doi: 10.20944/preprints202001.0058.v1). Teijón-López-Zuazo, E.; Benta, A.; Vega-Zamanillo, A.; Calzada- Pérez, M.Á.; Robles-Miguel, Á. Modification Tests to Optimize the Compaction Quality Control in Core Slate Random Embankments for Highways. Preprints 2020, 2020010058 (doi: 10.20944/preprints202001.0058.v1).

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 four thousand five hundred in-situ density and moisture content measurements were carried out for this research. In addition, more than five hundred and eighty topographic settlements and nine hundred and sixty wheel-tracking carriage tests were performed. The quality control processes were completed with more than one hundred and 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 core area.

Subject Areas

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

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