Search results for "Recycled excavation materials"

showing 3 items of 3 documents

Evaluating the effect of mineralogy and mechanical stability of recycled excavation materials by Los Angeles and micro-Deval test

2021

This paper presents the findings of the mechanical performance of recycled excavation materials (REM). The aim was to document the stable performance of REM and to suggest its suitability for unbound applications. Test operations were performed at different schedules with the Los Angeles (LA) and micro-Deval (MD) test machine. X-ray diffraction (XRD) analysis was performed to examine the effect of mineralogy on the performance of REM. The results showed that REM showed consistent LA performance, but significant variations were observed in MD values. XRD results showed that up to 20% of chlorite and mica minerals had no influence on the LA performance of REM.

VDP::Teknologi: 500::Bygningsfag: 530Mechanical stabilityRecycled excavation materialsMicaExcavationGeotechnical engineeringLos Angeles testChloriteGeologyMicro-Deval test:Teknologi: 500 [VDP]Test (assessment)
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Repeated Load Triaxial Testing of Recycled Excavation Materials Blended with Recycled Phyllite Materials

2022

Recycled Excavation Materials (REM) are becoming viable alternative construction resources due to their economic benefits. However, REM may be composed of weak rocks, e.g., phyllites, limiting the use in a base layer. The present paper attempts to further the knowledge of the mechanical performance of REM by performing Repeated Load Triaxial Tests (RLTT). REM are mixed with Recycled Phyllite Materials (RPM) in systematic blends of 0%, 25%, 50%, and 100%. The batches’ resilient modulus (MR) and permanent deformation (PD) characteristics were assessed to establish the maximum RPM allowed into REM while maintaining the required performance. Hicks and Monismith’s and Uzan’s mo…

TechnologyMicroscopyQC120-168.85TQH201-278.5Engineering (General). Civil engineering (General)Article:Teknologi: 500 [VDP]TK1-9971recycled excavation materialsDescriptive and experimental mechanicsrecycled phyllite materialsRecycled excavation materialsresilient modulusRecycled phyllite materialspermanent deformationResilient modulusGeneral Materials ScienceElectrical engineering. Electronics. Nuclear engineeringTA1-2040VDP::Technology: 500::Materials science and engineering: 520Permanent deformationrecycled excavation materials; recycled phyllite materials; resilient modulus; permanent deformation
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Recycled aggregates derived from excavation materials — mechanical performance and identification of weak minerals

2022

AbstractThe present study investigates the mechanical performance of recycled aggregates derived from excavation materials (REM). REM is blended with different quantities of recycled phyllite materials (RPM) and is investigated by Los Angeles (LA) and micro-Deval (MD) tests. X-ray diffraction (XRD) and acid solubility test are performed on the pulverized fractions < 1.6 mm obtained from the LA and MD tests to assess the respective degree of fragmentation and wear of mineral components. The results of the materials in unblended conditions showed considerable difference between MD performance while similar performance was found for LA. Furthermore, about 40% of RPM was sufficient to blend …

Recycled excavation materialsRecycled phyllite materialsMicro-DevalVDP::Matematikk og Naturvitenskap: 400::Geofag: 450GeologyPhyllosilicatesGeotechnical Engineering and Engineering GeologyLos Angeles:Teknologi: 500 [VDP]
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