2010
DOI: 10.1007/s10706-010-9331-7
View full text |Buy / Rent full text
|
Sign up to set email alerts
|

Abstract: Uniaxial and triaxial compressive strength tests have been performed using a polyaxial load frame to assess the influence of loading rate on the strength and deformability of three Thai sandstones. The applied axial stresses are controlled at constant rates of 0.001, 0.01, 0.1, 1.0 and 10 MPa/s. The confining pressures are maintained constant at 0, 3, 7 and 12 MPa. The sandstone strengths and elastic moduli tend to increase exponentially with the loading rates. The effects seem to be independent of the confini… Show more

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...
3
1
1

Citation Types

0
11
0
1

Year Published

2014
2014
2016
2016

Publication Types

Select...
3
1

Relationship

1
3

Authors

Journals

citations
Cited by 46 publications
(12 citation statements)
references
References 12 publications
(11 reference statements)
0
11
0
1
Order By: Relevance
“…A polyaxial load frame (Fuenkajorn & Kenkhunthod, 2010) is used to apply constant and uniform lateral stresses (confining pressures, σ 2= σ 3 ) and vertical (axial -σ 1 ) stress to the block specimen. Figure 2 shows the directions of the applied stresses with respect to fracture orientation.…”
Section: Test Apparatus and Methodsmentioning
confidence: 99%
“…A polyaxial load frame (Fuenkajorn & Kenkhunthod, 2010) is used to apply constant and uniform lateral stresses (confining pressures, σ 2= σ 3 ) and vertical (axial -σ 1 ) stress to the block specimen. Figure 2 shows the directions of the applied stresses with respect to fracture orientation.…”
Section: Test Apparatus and Methodsmentioning
confidence: 99%
“…Dynamic compression tests of rocks at different strain rates have been performed by several researchers using the split Hopkinson pressure bar (SHPB) and dynamic triaxial tests. [3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18] Dynamic uniaxial compression tests were performed on three rocks by 3 using SHPB at strain rates from 10 À 4 /sec to 10 4 /sec at varying temperatures and the SHPB test data for rocks were reported for the first time in the literature. They observed that the rocks exhibited increased stiffness and higher stress with increasing strain rate and decreasing temperature.…”
Section: Introductionmentioning
confidence: 99%
“…[], Ray et al . [], Li and Xia [], Kohmura and Inada [], Fuenkajorn and Kenkhunthod [], and Wang et al . [] conclude from experimental observations that the uniaxial compressive strength of rock increases with an increase in strain and loading rates.…”
Section: Introductionmentioning
confidence: 99%
“…Apart from the microstructure itself, the strength and failure mechanisms of coal are also affected by the loading rate . Okubo et al [1992], Ishizuka et al [1993], Ray et al [1999], Li and Xia [2000], Kohmura and Inada [2006], Fuenkajorn and Kenkhunthod [2010], and Wang et al [2013] conclude from experimental observations that the uniaxial compressive strength of rock increases with an increase in strain and loading rates. However, it remains unanswered how the combined effects of microheterogeneity and loading/strain rates influence the strength and failure behavior of coal.…”
Section: Introductionmentioning
confidence: 99%