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

被引：0
|
作者：
İbrahim Çobanoğlu
Sefer Beran Çelik
机构：
[1] Pamukkale University,Department of Geological Engineering
来源：
Bulletin of Engineering Geology and the Environment | 2008年 / 67卷
关键词：
Uniaxial compressive strength; Point load strength index; Schmidt hammer rebound value; Sonic wave velocity; Résistance à la compression simple; Indice de résistance entre pointes; Indice de rebond de Schmidt; Vitesse de propagation du son;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
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.
引用
收藏
页码：491 / 498
页数：7
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