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Relationship between Resilient Modulus and Unconfined Compressive Strength for Lime-Stabilized Soils

Toohey, N. M. / Mooney, M. A. / Bearce, R. G.

Abstract

This technical note assesses the widely accepted Thompson’s equation used to approximate design resilient modulus ( $M_{r}$ ) for lime-stabilized soils from the results of unconfined compressive strength ( $q_{u}$ ) testing. There is limited evidence in the literature to support Thompson’s equation relating $q_{u}$ and $M_{r}$ for lime-stabilized soils, and other studies have suggested that the relationship provides an excessively conservative approximation for design $M_{r}$ , specifically above $q_{u} = 1,000 kPa$ . Laboratory $M_{r}$ and $q_{u}$ testing was performed on multiple specimens of three lime-stabilized soils. These data reveal that Thompson’s equation provides a lower-bound estimate of $M_{r}$ from $q_{u}$ and that Little’s recommended relationship provides a more reasonable match to the data. This study also illustrated a lack of a clear correlation between $M_{r}$ and $q_{u}$ .

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Relationship between Resilient Modulus and Unconfined Compressive Strength for Lime-Stabilized Soils

Toohey, N. M. / Mooney, M. A. / Bearce, R. G.

Abstract

This technical note assesses the widely accepted Thompson’s equation used to approximate design resilient modulus ( $M_{r}$ ) for lime-stabilized soils from the results of unconfined compressive strength ( $q_{u}$ ) testing. There is limited evidence in the literature to support Thompson’s equation relating $q_{u}$ and $M_{r}$ for lime-stabilized soils, and other studies have suggested that the relationship provides an excessively conservative approximation for design $M_{r}$ , specifically above $q_{u} = 1,000 kPa$ . Laboratory $M_{r}$ and $q_{u}$ testing was performed on multiple specimens of three lime-stabilized soils. These data reveal that Thompson’s equation provides a lower-bound estimate of $M_{r}$ from $q_{u}$ and that Little’s recommended relationship provides a more reasonable match to the data. This study also illustrated a lack of a clear correlation between $M_{r}$ and $q_{u}$ .

Relationship between Resilient Modulus and Unconfined Compressive Strength for Lime-Stabilized Soils

Toohey, N. M. / Mooney, M. A. / Bearce, R. G.

Abstract

This technical note assesses the widely accepted Thompson’s equation used to approximate design resilient modulus ( $M_{r}$ ) for lime-stabilized soils from the results of unconfined compressive strength ( $q_{u}$ ) testing. There is limited evidence in the literature to support Thompson’s equation relating $q_{u}$ and $M_{r}$ for lime-stabilized soils, and other studies have suggested that the relationship provides an excessively conservative approximation for design $M_{r}$ , specifically above $q_{u} = 1,000 kPa$ . Laboratory $M_{r}$ and $q_{u}$ testing was performed on multiple specimens of three lime-stabilized soils. These data reveal that Thompson’s equation provides a lower-bound estimate of $M_{r}$ from $q_{u}$ and that Little’s recommended relationship provides a more reasonable match to the data. This study also illustrated a lack of a clear correlation between $M_{r}$ and $q_{u}$ .

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Titel:

Relationship between Resilient Modulus and Unconfined Compressive Strength for Lime-Stabilized Soils

Beteiligte:

Toohey, N. M. (Autor:in) / Mooney, M. A. (Autor:in) / Bearce, R. G. (Autor:in)

Erschienen in:

Journal of Geotechnical and Geoenvironmental Engineering ; 139 ; 1982-1985

Erscheinungsdatum:

20.03.2013

Format / Umfang:

42013-01-01 pages

ISSN:

1090-0241 , 1943-5606

DOI:

https://doi.org/10.1061/(ASCE)GT.1943-5606.0000925

Medientyp:

Aufsatz (Zeitschrift)

Format:

Elektronische Ressource

Sprache:

Englisch

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