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Estimation of uniaxial compressive strength from point load strength, Schmidt hardness and P-wave velocity

Çobanoğlu, İbrahim / Çelik, Sefer Beran

Abstract Uniaxial compressive strength is considered one of the most important parameters in the characterization of rock material in rock engineering practice. The study investigated correlations between uniaxial compressive strength and point load index, P-wave velocity and Schmidt hardness rebound number together with the effects of core diameter size. A total of 150 core samples at five different diameters (54, 48, 42, 30 and 21 mm) were obtained from sandstone, limestone and cement mortar. Ten saturated samples at each diameter (length:diameter ratio 2:1) were prepared from each of the three materials. The best correlations were found between uniaxial compressive strength and point load or Schmidt hammer values. The closest relationship was observed for the 48 mm diameter cores.

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Estimation of uniaxial compressive strength from point load strength, Schmidt hardness and P-wave velocity

Çobanoğlu, İbrahim / Çelik, Sefer Beran

Abstract Uniaxial compressive strength is considered one of the most important parameters in the characterization of rock material in rock engineering practice. The study investigated correlations between uniaxial compressive strength and point load index, P-wave velocity and Schmidt hardness rebound number together with the effects of core diameter size. A total of 150 core samples at five different diameters (54, 48, 42, 30 and 21 mm) were obtained from sandstone, limestone and cement mortar. Ten saturated samples at each diameter (length:diameter ratio 2:1) were prepared from each of the three materials. The best correlations were found between uniaxial compressive strength and point load or Schmidt hammer values. The closest relationship was observed for the 48 mm diameter cores.

Estimation of uniaxial compressive strength from point load strength, Schmidt hardness and P-wave velocity

Çobanoğlu, İbrahim / Çelik, Sefer Beran

Abstract Uniaxial compressive strength is considered one of the most important parameters in the characterization of rock material in rock engineering practice. The study investigated correlations between uniaxial compressive strength and point load index, P-wave velocity and Schmidt hardness rebound number together with the effects of core diameter size. A total of 150 core samples at five different diameters (54, 48, 42, 30 and 21 mm) were obtained from sandstone, limestone and cement mortar. Ten saturated samples at each diameter (length:diameter ratio 2:1) were prepared from each of the three materials. The best correlations were found between uniaxial compressive strength and point load or Schmidt hammer values. The closest relationship was observed for the 48 mm diameter cores.

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Titel:

Estimation of uniaxial compressive strength from point load strength, Schmidt hardness and P-wave velocity

Beteiligte:

Çobanoğlu, İbrahim (Autor:in) / Çelik, Sefer Beran (Autor:in)

Erschienen in:

Bulletin of Engineering Geology and the Environment ; 67

Erscheinungsdatum:

2008

ISSN:

DOI:

https://doi.org/10.1007/s10064-008-0158-x

Medientyp:

Aufsatz (Zeitschrift)

Format:

Print

Sprache:

Englisch

Schlagwörter:

Umweltforschung , Ingenieurgeologie

Klassifikation:

BKL: 38.58 Geomechanik / 56.20 Ingenieurgeologie, Bodenmechanik

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