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Using of LWD in assessing the properties of fine grained subgrade soil with reference to M-E Pavement Design
Statens väg- och transportforskningsinstitut, Väg- och banteknik, VBA.ORCID iD: 0000-0003-0478-1150
Responsible organisation
2022 (English)Report (Other academic)Alternative title
Användning av LWD vid bedömning av egenskaperna hos finkornig jord i undergrund med kopplingtill M-E Pavement Design (Swedish)
Abstract [en]

The current project focuses on using the VTI’s multifunctional light weight deflectometer (LWD) to estimate the dynamic deformation moduli of fine-grained soil under repeated loading. The research focuses also on finding new relationships where results from repeated LWD tests can be used later in mechanistic-empirical pavement design. 

The project is also aimed to verify the matching between the accumulated permanent strain of the tested soil measured by the in-situ repeated LWD and the accumulated permanent strain models adopted in mechanistic-empirical pavement design

Abstract [sv]

Det aktuella projektet fokuserar på att använda VTI:s multifunktionella lätta fallviktsmätare (LWD) för att uppskatta dynamiska deformationsmoduler av finkornig jord under upprepad belastning. Forskningen fokuserar också på att hitta nya korrelationer där resultat från upprepade LWD--försök kan användas senare i mekanistisk-empirisk vägdesign.

 Projektet syftar också till att kontrollera matchningen mellan den ackumulerade permanenta töjningen av den testade jorden mätt med upprepade LWD-försök i fält och de ackumulerade permanenta töjningsmodeller som antagits i mekanistisk empirisk vägdesign.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut , 2022. , p. 39
Series
Trafikverkets forskningsportföljer
Keywords [en]
Repeated light weight deflectometer tests, Modeling, Permanent and elastic deformations, Clayey soil, Stress levels, Water content
Keywords [sv]
Upprepad lätt fallvikt test, modellering, permanenta deformationer, lerjord, spänningsnivåer, vattenhalt
National Category
Infrastructure Engineering
Research subject
FOI-portföljer, Bygga
Identifiers
URN: urn:nbn:se:trafikverket:diva-16128OAI: oai:DiVA.org:trafikverket-16128DiVA, id: diva2:1883161
Projects
Bärighets kontroll av siltjord terrassmaterial med koppling till M-E- beräkningar (ERAPAVE)
Funder
Swedish Transport Administration, TRV 2020/110575Available from: 2024-07-09 Created: 2024-07-09 Last updated: 2024-07-09

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Using of LWD in assessing the properties of fine grained subgrade soil with reference to M-E Pavement Design(8530 kB)77 downloads
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Kuttah, Dina K

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