### Prediction of Uniaxial Compressive Strength of Different

2019 7 31 The direct measurement of uniaxial compressive strength UCS as one of the main important rock engineering parameters is destructive, cumbersome, difficult and costly.

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### Prediction of Uniaxial Compressive Strength of Different

2019 7 31 The direct measurement of uniaxial compressive strength UCS as one of the main important rock engineering parameters is destructive, cumbersome, difficult and costly.

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### Modeling uniaxial compressive strength of some rocks

2021 2 1 Prediction of uniaxial compressive strength of different quarried rocks using metaheuristic algorithm. Arab. J. Sci. Eng., 44 2019, pp. 8645 8659. CrossRef View Record in Scopus Google Prediction of uniaxial compressive strength of rock samples using hybrid particle swarm optimization based artificial neural networks. Measurement, 60

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### The Uniaxial Compressive Strength of Soft

2007 1 1 The static Young's modulus of the rocks is less than 8 MPa and the unconfined strength ranged from 1.0 to 2.2 MPa, which indicate that the rock is very weak. The confined compressive strength is

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### Determining Compressive Strength of Rock

2021 2 5 The average compressive strength and standard deviation were found to be 15,707 psi and 398 psi, respectively. Analysis of the data proves that the compressive strength of marble is not influenced by steel end platen size or

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### Uniaxial Compressive Strength Determination of Rocks

2021 5 31 The uniaxial compressive strength UCS is an important parameter for rock mass classification and rock engineering designs. This study proposes a novel method for predicting the UCS of rocks using X ray computed tomography and convolutional neural networks. First, X ray CT scanning was conducted on five mudstone specimens. The volume data characteristics of

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### Estimating uniaxial compressive strength of rocks using

2013 8 1 Porosity is a significant physical feature of rocks due to water absorption that causes decrease in the strength. The basalt of the study area can be described as highly porous and ignimbrite as extremely porous according to the classification by Anon 1979 .The average UCS of basalt is determined as 26.65 MPa.For the ignimbrite, the lowest UCS is observed in the

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### Prediction of Uniaxial Compressive Strength of Different

2019 7 31 The direct measurement of uniaxial compressive strength UCS as one of the main important rock engineering parameters is destructive, cumbersome, difficult and costly. Therefore, the prediction of this parameter using simpler, cheaper indirect methods is of interest. In this paper, the UCS was predicted using a developed hybrid intelligent model including

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### Compressive strength values of rock materials.

Context in source publication. Context 1. material strength was quantified by uniaxial compressive strength values from the aforementioned studies. Strength values vary from 21.40 MPa to 175.

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### Estimating uniaxial compressive strength of rocks using

2013 8 1 Porosity is a significant physical feature of rocks due to water absorption that causes decrease in the strength. The basalt of the study area can be described as highly porous and ignimbrite as extremely porous according to the classification by Anon 1979 .The average UCS of basalt is determined as 26.65 MPa.For the ignimbrite, the lowest UCS is observed in the

### Compressive strength of rocks

2015 6 4 Estimating compressive strength. General rock failure criterion can be reduced to a few parameters dependent on lithology m and the uniaxial compressive strength C 0 .Lithology is commonly derived during log analysis, so m may be estimated Table 1 .What is needed still is an initial measure of rock strength provided by C 0. C 0 can be estimated from porosity or

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### The Uniaxial Compressive Strength of Soft Rock

2007 1 1 Soft rock is a term that usually refers to a rock material with a uniaxial compressive strength UCS less than 20 MPa. This low strength range might be influenced by physical

### Compressive strength of rocks

2015 6 4 Estimating compressive strength. General rock failure criterion can be reduced to a few parameters dependent on lithology m and the uniaxial compressive strength C 0 .Lithology is commonly derived during log analysis, so m may be estimated Table 1 .What is needed still is an initial measure of rock strength provided by C 0. C 0 can be estimated from porosity or

- احصل على السعر +
### Uniaxial Compressive Strength Determination of Rocks

2021 5 31 The uniaxial compressive strength UCS is an important parameter for rock mass classification and rock engineering designs. This study proposes a novel method for predicting the UCS of rocks using X ray computed tomography and convolutional neural networks. First, X ray CT scanning was conducted on five mudstone specimens. The volume data characteristics of

- احصل على السعر +
### Prediction of Uniaxial Compressive Strength of Different

2019 7 31 The direct measurement of uniaxial compressive strength UCS as one of the main important rock engineering parameters is destructive, cumbersome, difficult and costly. Therefore, the prediction of this parameter using simpler, cheaper indirect methods is of interest. In this paper, the UCS was predicted using a developed hybrid intelligent model including

- احصل على السعر +
### Modeling uniaxial compressive strength of some rocks

2021 2 1 Prediction of uniaxial compressive strength of different quarried rocks using metaheuristic algorithm. Arab. J. Sci. Eng., 44 2019, pp. 8645 8659. CrossRef View Record in Scopus Google Prediction of uniaxial compressive strength of rock samples using hybrid particle swarm optimization based artificial neural networks. Measurement, 60

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### Compressive strength of rocks

2015 6 4 The high porosity 33% sandstone Fig. 4a has a low "crush" strength of about 55 MPa. With a lower porosity of 19%, Berea sandstone has a much higher strength of 440 MPa

Estimated Reading Time: 8 mins - احصل على السعر +
### Determining Compressive Strength of Rock

2021 2 5 The average compressive strength and standard deviation were found to be 15,707 psi and 398 psi, respectively. Analysis of the data proves that the compressive strength of marble

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### compressive strength of different rocks

2021 12 16 Rock strength is specified in terms of tensile strength, compressive strength, shear strength, and impact strength. In the context of fracture gradient, only the tensile strength of rock is of importance. The tensile strength of rock is defined as the pulling force, required to rupture a rock sample, divided by the sample's cross sectional area.

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### compressive strength of different rocks

2021 12 16 Rock strength is specified in terms of tensile strength, compressive strength, shear strength, and impact strength. In the context of fracture gradient, only the tensile strength of rock is of importance. The tensile strength of rock is defined as the pulling force, required to rupture a rock sample, divided by the sample's cross sectional area.

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### Compressive strength values of rock materials.

Context in source publication. Context 1. material strength was quantified by uniaxial compressive strength values from the aforementioned studies. Strength values vary from 21.40 MPa to 175.

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### Compressive strength and abrasivity of different rock

There is a considerable difference in the compressive strength of rock samples from one to ten as shown in Table 1. It is observed from the studies that sound level increases to maximum near

### Compressive strength of rocks

2018 12 10 and are tting parameters that depend on rock properties and the degress of fracturing. Typical values Typical Range of Types of rocks carbonate rocks dolomite,

### Predicting Unconfined Compressive Strength of Intact

2022 7 11 UCS 12 .5 PLS Pyroclastic rocks 31 UCS 24.301 4.874 TS Basalt and limestone 32 18 .251 0.0162 43 .214 2.56 1.384 127 .411 V p UCS n PLS Carbonate rocks 33 UCS 0.047 exp 0.065 SD Pyroclastic rocks 34 UCS Uniaxial compressive strength, n porosity, ρ density, SH Schmidt hardness, PLS point load strength, Vp Primary wave velocity, BPI

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### The Uniaxial Compressive Strength of Soft

2007 1 1 The static Young's modulus of the rocks is less than 8 MPa and the unconfined strength ranged from 1.0 to 2.2 MPa, which indicate that the rock is very weak. The confined compressive strength is

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### compressive strength of different rocks

2021 12 16 t50 value of a rock vs the unconfined compressive strength gives a visual comparison of the strength and modulus values of different rocks. ! M R= E t50 / σ a

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### Determining Compressive Strength of Rock

2021 2 5 The average compressive strength and standard deviation were found to be 15,707 psi and 398 psi, respectively. Analysis of the data proves that the compressive strength of marble is not influenced by steel end platen size or

### Predicting Unconfined Compressive Strength of Intact

2022 7 11 UCS 12 .5 PLS Pyroclastic rocks 31 UCS 24.301 4.874 TS Basalt and limestone 32 18 .251 0.0162 43 .214 2.56 1.384 127 .411 V p UCS n PLS Carbonate rocks 33 UCS 0.047 exp 0.065 SD Pyroclastic rocks 34 UCS Uniaxial compressive strength, n porosity, ρ density, SH Schmidt hardness, PLS point load strength, Vp Primary wave velocity, BPI

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### Compressive strength values of rock materials.

various rock types including highly deformed to undeformed quartzites, granites, granitic gneisses, gneisses, metabasics meta amphibolites and meta doler ite, and

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