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diabase compressive strength

The Strongest Rock in the World Rockhound Resource

2021-10-23  The strongest rock in the world in compression is Diabase, which can stand up to 350 MPa. Diabase is a kind of fine-grained igneous rock. Close behind diabase in compressive strength come other fine-grained igneous rocks like Diorite, Gabbro, and Basalt. Interestingly, the one non-igneous rock in this super strong group is Quartzite.

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The effect of water on the compressive strength of diabase

1968-10-1  The compressive strength of water soaked diabase is found to be about 60% of that of diabase dried at temperatures greater than 190°C. Several solvents other than water failed to cause a decrease in the strength of diabase. This suggests that water is involved in a chemical reaction during the fracturing process, and that its effect is not simply capillary action.

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Lectures on Rock MechanicsLectures on Rock Mechanics

2010-8-11  Diabase Tuff Fine Shale Mudstone Calcareous Mudstone Slate Amphibolite Rhyotite Basalt Based on Uniaxial Compressive Strength. Uniaxial CompressiveUniaxial Compressive Ranges for some Strength Ranges for some Common Rock Material Term Kg/cm 2 Schist, Silt stone Very Weak- VW < 70 VW-W, Sand

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Diabase (Dolerite) Geocities Archive Geocities Mirror

Diabase (Dolerite) Archae Solenhofen ([email protected]) (Last modified April 3, 2001) Diabase is a fine-grained intrusive igneous rock of a composition similar to basalt, but is slightly more coarse-grained than basalt.The rock consists of the minerals calc-plagioclase (bytownite to labradorite) and pyroxene (commonly augite, pigeonite, and hypersthene) with apatite, magnetite, and

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TECHNICAL 85-06 REPORT IAEA

2005-11-24  compressive strength (o ) and brittle-ness. (3.5%), and diabase (0.5%). The migmatite is fine to medium grained and have a massive texture. Colour varies between grey white and grey black. The material is occasionally oorphyritic with feldspar eyes 3 10 mm in size. The

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7 Strength ScienceDirect

2006-1-1  Unconfined compressive strength is the most generally used measurement of rock strength. Tensile strength is also used as a measurement of rock strength in many cases. 179 rock Diabase 21 -572 Coarse-grained igneous and Amphibolite 117 -276 metamorphic crystalline rock Gabbro 124 310 Gneiss 24 -310 Granite 14 338 Quartz diorite 10 -97

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石头的抗压强度是哪本规范?_百度知道 Baidu

2015-8-1  抗压强度(compressive strength)代号σbc,指外力是压力时的强度极限 岩石种类 抗压强度(Kg∕㎝2) 花岗岩(Granite) 1,000 ~ 2,500 正长岩(Syenite) 1,000 ~ 2,000 闪长岩(Diorite) 1,500 ~ 2,800 辉长岩(Gabbro) 1,000 ~ 2,800 辉绿岩(Diabase

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STRENGTH PROPERTIES OF ROCKS AND ROCK MASSES 1

2006-3-19  Mean tensile strength and compressive strength for selected sedimentary rock types (after Johnson and Degraff, 1988). The behavior of intact rock in the post-peak dom ain is not a true rock property and is partially dependent on the stiffness of the loading system. A

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Bearing Capacity of Rocks Civil Engineering

The bearing capacity of a homogeneous, and discontinuous rock mass cannot be less than the unconfined compressive strength of the rock mass around the footing and this can be taken as a lower bound for a rock mass with constant angle of internal friction 0 and unconfined compressive strength qur. Goodman (1980) suggests the following equation

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The effect of water on the compressive strength of diabase

The compressive strength of water soaked diabase is found to be about 60% of that of diabase dried at temperatures greater than 190°C. Several solvents other than water failed to cause a decrease in the strength of diabase. This suggests that water is involved in a chemical reaction during the fracturing process, and that its effect is not simply capillary action.

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11 Rock mass properties home.agh.edu.pl

2001-1-22  Table 11.2: Field estimates of uniaxial compressive strength. Grade* Term Uniaxial Comp. Strength (MPa) Point Load Index (MPa) Field estimate of strength Examples R6 Extremely Strong > 250 >10 Specimen can only be chipped with a geological hammer Fresh basalt, chert, diabase, gneiss, granite, quartzite R5 Very strong 100 250

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Damage Characteristics of Altered and Unaltered Diabases

2013-11-29  The strength loss rate of diabase is only 0.68 % at freeze–thaw temperature of −20 °C, 11.93 % at −30 °C, and 32.66 % at −40 °C; while due to its loose structure, the strength loss rate of altered diabase is much higher than that of the unaltered material, exhibiting corresponding rates of 32.25, 42.67, and 55.86 %, respectively.

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石头的抗压强度是哪本规范?_百度知道 Baidu

2015-8-1  抗压强度(compressive strength)代号σbc,指外力是压力时的强度极限 岩石种类 抗压强度(Kg∕㎝2) 花岗岩(Granite) 1,000 ~ 2,500 正长岩(Syenite) 1,000 ~ 2,000 闪长岩(Diorite) 1,500 ~ 2,800 辉长岩(Gabbro) 1,000 ~ 2,800 辉绿岩(Diabase

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GSI: A GEOLOGICALLY FRIENDLY TOOL FOR ROCK MASS

2012-2-13  Table 1: Field estimates of uniaxial compressive strength of intact rock.3 Grade* Term Uniaxial Comp. Strength (MPa) Point Load Index (MPa) Field estimate of strength Examples R6 Extremely Strong > 250 >10 Specimen can only be chipped with a geological hammer Fresh basalt, chert, diabase, gneiss, granite, quartzite R5 Very strong 100 250

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STRENGTH PROPERTIES OF ROCKS AND ROCK MASSES 1

2006-3-19  Mean tensile strength and compressive strength for selected sedimentary rock types (after Johnson and Degraff, 1988). The behavior of intact rock in the post-peak dom ain is not a true rock property and is partially dependent on the stiffness of the loading system. A

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Chapter 4 Engineering Classification of Rock Materials

• hardness and unconfined compressive strength categories unit weight (dry) • unit weight (dry) • color • discrete rock particle size (use D 50 or cube root of the product of its three dimensions) (a) Rock unit identification The rock unit is the basic mapping unit for the

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Lectures on Rock MechanicsLectures on Rock Mechanics

2010-8-11  ─ under compressive stresses 2. Size effects ─ response of rock to loading affected by the size of th l dd l ”(jit &f t )the loaded volume” (joints & fractures) 3. Tensile strength ─ is low (similar to concrete); HOWEVER a rock mass can have even less tensile strength

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Structural-temporal approach for dynamic strength

2016-8-29  Average Compressive strength, MPa 215 Average Tension strength, MPa 17,5 Figure 1. Experimental apparatus realizing SHPB for compres-sive and splitting tests. Figure 2. Split Hopkinson Tensile Bar used in this research. them. Power supply and calibration of strain gauges was produced by an original scheme (4). In order to record the

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Bearing Capacity of Rocks Civil Engineering

The bearing capacity of a homogeneous, and discontinuous rock mass cannot be less than the unconfined compressive strength of the rock mass around the footing and this can be taken as a lower bound for a rock mass with constant angle of internal friction 0 and unconfined compressive strength qur. Goodman (1980) suggests the following equation

get price

The Strongest Rock in the World Rockhound Resource

2021-10-23  The strongest rock in the world in compression is Diabase, which can stand up to 350 MPa. Diabase is a kind of fine-grained igneous rock. Close behind diabase in compressive strength come other fine-grained igneous rocks like Diorite, Gabbro, and Basalt. Interestingly, the one non-igneous rock in this super strong group is Quartzite.

get price

The effect of water on the compressive strength of diabase

The compressive strength of water soaked diabase is found to be about 60% of that of diabase dried at temperatures greater than 190°C. Several solvents other than water failed to cause a decrease in the strength of diabase. This suggests that water is involved in a chemical reaction during the fracturing process, and that its effect is not simply capillary action.

get price

Lectures on Rock MechanicsLectures on Rock Mechanics

2010-8-11  Diabase Tuff Fine Shale Mudstone Calcareous Mudstone Slate Amphibolite Rhyotite Basalt Based on Uniaxial Compressive Strength. Uniaxial CompressiveUniaxial Compressive Ranges for some Strength Ranges for some Common Rock Material Term Kg/cm 2 Schist, Silt stone Very Weak- VW < 70 VW-W, Sand

get price

Diabase (Dolerite) Geocities Archive Geocities Mirror

Diabase (Dolerite) Archae Solenhofen ([email protected]) (Last modified April 3, 2001) Diabase is a fine-grained intrusive igneous rock of a composition similar to basalt, but is slightly more coarse-grained than basalt.The rock consists of the minerals calc-plagioclase (bytownite to labradorite) and pyroxene (commonly augite, pigeonite, and hypersthene) with apatite, magnetite, and

get price

Structural-temporal approach for dynamic strength

2016-8-29  Average Compressive strength, MPa 215 Average Tension strength, MPa 17,5 Figure 1. Experimental apparatus realizing SHPB for compres-sive and splitting tests. Figure 2. Split Hopkinson Tensile Bar used in this research. them. Power supply and calibration of strain gauges was produced by an original scheme (4). In order to record the

get price

Rock properties oocities

Rock hardness is a term used in geology to denote the cohesiveness of a rock and is usually expressed as its compressive fracture strength. Terms such as hardrock and softrock are used by geologists to distinguishing between igneous/metamorphic and sedimentary rocks, respectively. Egyptian quarries are littered with spherical diabase

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TECHNICAL 85-06 REPORT IAEA

2005-11-24  compressive strength (o ) and brittle-ness. (3.5%), and diabase (0.5%). The migmatite is fine to medium grained and have a massive texture. Colour varies between grey white and grey black. The material is occasionally oorphyritic with feldspar eyes 3 10 mm in size. The

get price

7 Strength ScienceDirect

2006-1-1  Unconfined compressive strength is the most generally used measurement of rock strength. Tensile strength is also used as a measurement of rock strength in many cases. 179 rock Diabase 21 -572 Coarse-grained igneous and Amphibolite 117 -276 metamorphic crystalline rock Gabbro 124 310 Gneiss 24 -310 Granite 14 338 Quartz diorite 10 -97

get price

STRENGTH PROPERTIES OF ROCKS AND ROCK MASSES 1

2006-3-19  2006-3-19  Mean tensile strength and compressive strength for selected sedimentary rock types (after Johnson and Degraff, 1988). The behavior of intact rock in the post-peak dom ain is not a true rock property and is partially dependent on the stiffness of the loading system. A testing machine consists of an assembly of

get price

抗压强度_百度百科

2019-11-13  抗压强度(compressive strength)代号σbc,指外力施压力时的强度极限。欲想了解石材的特性,和在工程上是否适用时,必须先作岩石的力学强度试验。强度试验中最主要为抗压强度的试验。

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