Tel:+86-21-58386189, 58386176

what influences the strength of a rock

Rock Failure Topics Stanford University

) probably influences compressive strength only at very great depth. 4. Complex failure criterion are unnecessarily complied and difficult to use. Strong rocks are strong. Weak rocks are not. 5. Are logbased strength estimates valid? Sometimes, especially if calibrated! 6. Under special circumstances, anisotropic rock strength (finely laminated

Get Price

Geology Exam 3 Flashcards Quizlet

A mass movement is a slow or rapid downslope movement of regolith or rock materials under the influence of Gravity. Colluvium & Ex. List 3 types of geologic or rock structures that tend to reduce the shear strength of rock materials on slopes. Geology Exam 3 93 Terms. wyttstev. Geology Exam 3 48 Terms. hannah_pass1.

Get Price

What factors determine the strength of a rock answers.com

The factors that influence the strength of a rock and how it will deform include temperature, confining pressure, rock type, and time.

Get Price

15.1 Factors That Control Slope Stability – Physical Geology

15.1 Factors That Control Slope Stability Mass wasting happens because tectonic processes have created uplift. Erosion, driven by gravity, is the inevitable response to that uplift, and various types of erosion, including mass wasting, have created slopes in the uplifted regions.

Get Price

Factors Affecting Strength of Concrete The Constructor

Factors Affecting Strength of Concrete. Concrete strength is affected by many factors, such as quality of raw materials, water/cement ratio, coarse/fine aggregate ratio, age of concrete, compaction of concrete, temperature, relative humidity and curing of concrete.

Get Price

1. Which of the following is NOT a major factor that

Oct 29, 2016 ·Ł)I am pretty sure that the following which is NOT a major factor that influences the strength of a rock is c. age of rock 2)The answer for the second question is high temperature and high confining pressure 3) As heat and pressure increase, ductile deformation becomes more likely 4) Once the elastic limit of rock is surpassed, the rock may flow.

Get Price

Rock Failure Topics Stanford University

Rock Failure Topics • Compressive Strength • Rock Strength from Logs probably influences compressive strength incorporate the dependence of rock strength on the intermediate principal stress, s 2, but require true polyaxial rock strength measurements.

Get Price

Compressive strength of rocks PetroWiki

Selby''s approach allows QUANTIFICATION of these factors so that the strength of a rock can be measured. 1. Strength of intact rock (20%) depends mainly on mineral composition and rock structure. Granite, for example, is mainly hard feldspar and quartz grains which interlock, making for a relatively strong rock.

Get Price

Influence of Water Content on the Strength of Rock. Eng

Water content is one of the most important factors influencing rock strength. Considerable research has been carried out to investigate rock strength under both dry and water saturated conditions.

Get Price

The effect of water content on the strength of rock – The

Dec 23, 2012 · Namely, the fractures are the most effective on the strength of rocks. Figure 5: Shear failure. Effect of Water on Rock Strength. Nowadays, the effect of water content on the 3 types of strength of rock i.e. compressive strength, tensile strength and shear strength has no certainly theory explanation exactly.

Get Price

Slope Stability Tulane University

Factors that Influence Slope Stability: Gravity In particular, clay minerals generally tend to have a low shear strength. If a weak rock or soil occurs between stronger rocks or soils, the weak layer will be the most likely place for failure to occur, especially if the layer dips in a downslope direction as in the illustration above.

Get Price

9 Index Properties of Rocks Geology Your Article Library

The various factors that control the porosity of sedimentary rocks and soils are the following: (a) The degree of cementation (i.e. to what extent pore space is replaced by cement) and the extent of recrystallization at points where grains touch. Both are influenced by the age and history of burial of the rock.

Get Price

rock Definition, Characteristics, & Types Britannica.com

It is important to distinguish between the high strength of a block of solid or intact rock and the much lower strength of the rock mass

Get Price

IMPACT STRENGTH OF BRITTLE MATERIALS (ROCKS)

IMPACT STRENGTH OF BRITTLE MATERIALS (ROCKS) The concrete quality is significantly influenced by the aggregates quality. The properties of the aggregates influence the durability and the static The rock strength coefficient FN is graphically determined

Get Price

The Analysis of Factors Affecting Rock Strength of Sandstone

The observation contents consist of rock constituents, grain size, textural and compositional maturity, cements and particle contact manner. Through the analysis of sedimentary characteristics and experimental determination, the research work reveals the influence factors of rock strength.

Get Price

1. Which of the following is NOT a major factor that

Oct 28, 2016 ·Ł)I am pretty sure that the following which is NOT a major factor that influences the strength of a rock is c. age of rock 2)The answer for the second question is high temperature and high confining pressure 3) As heat and pressure increase, ductile deformation becomes more likely 4) Once the elastic limit of rock is surpassed, the rock may flow.

Get Price

Section 1 Rock Deformation jkaser.com

How can the answer be improved?

Get Price

crust deformation and mountain building Flashcards Quizlet

What are the four factors that influence the strength of a rock and how it will deform? temperature, pressure, rock type, and time. What two ways do rocks deform permanently? brittle and ductile. What is the fracturing of an object once its strength is exceeded cooler rock near the surface of the crust?

Get Price

influences on strength of rock etsiviaggiarecisl.it

Influence of Water Content on Mechanical Properties of There is no generally accepted explanation for the influence of water on rock strength, although several water weakening mechanisms on the strength of rock have been proposed, including pore pressure, chemical and physical deterioration, capillary tension, etc.

Get Price

Shear strength criteria for rock, rock joints, rockfill

The actual shear strength of rock masses, and are able to produce colourful and exaggerated plastic zones that adversely influence boltlength decisions in the case of tunnel support. (10) There is a fundamental question mark hanging over the assumed validity of adding c and

Get Price

Influences of Microscopic Factors on Macroscopic Strength

Since a conventional petrographic analysis does not allow a systematic and detailed study on how the microscopic factors affect the macroscopic behavior of interlayered rocks, this research adopted a numerical model, the bonded particle model, to explore the micromechanisms associated with the strength and stiffness of interlayered rocks.

Get Price

INFLUENCE OF INTACT ROCK STRENGTH ON ROCK MASS

INFLUENCE OF INTACT ROCK STRENGTH ON ROCK MASS MECHANICAL PROPERTIES ABSTRACT The Synthetic Rock Mass (SRM) approach has the potential to capture the mechanical behavior of large rock samples. In order for the method to be used with confidence it is necessary to gain a good understanding of the factors that influences its analysis.

Get Price

The Analysis of Factors Affecting Rock Strength of Sandstone

The observation contents consist of rock constituents, grain size, textural and compositional maturity, cements and particle contact manner. Through the analysis of sedimentary characteristics and experimental determination, the research work reveals the influence factors of rock strength.

Get Price

Estimating thestrength ofrock materials saimm.co.za

ingtheuniaxial compressive strength of rock for practical engineering purposes. Table IVlists the corresponding strength ranges for the strength classifiion of rock materials8. ESTIMATION OF THE TRIAXIAL STRENGTH While determination ofthe uniaxial compressive strength ofrockis a simple matter, this is not true for the collection of the

Get Price

Rock failure relationships PetroWiki

Each of these assumptions can be violated, and some have been demonstrated to have major influences on rock strength. CoulumbNavier failure. The Effect of Triaxial Stress Systems on the Strength of Rocks at Atmospheric Temperatures. Geophys. J. R. Astron. Soc. 10 (3): 231281.

Get Price

different materials influence the properties of a rock

INFLUENCE OF INTACT ROCK STRENGTH ON ROCK MASS MECHANICAL PROPERTIES ABSTRACT The Synthetic Rock Mass (SRM) approach has the potential to capture the mechanical behavior of large rock samples. In order for the method to be used with confidence it is necessary to gain a good understanding of the factors that influences its analysis.

Get Price

Rock failure relationships PetroWiki

Each of these assumptions can be violated, and some have been demonstrated to have major influences on rock strength. CoulumbNavier failure. To begin with, a brief review of the standard Mohr failure criteria will be examined to introduce concepts and define terms, as well as to establish the basic mathematics behind the strength relationships

Get Price

Chapter 4 Engineering Classifiion of Rock Materials

Chapter 4 Engineering Classifiion of Rock Materials 631.0400 Engineering properties of rock To use rock in engineering appliions, certain properties of the rock must be assessed to reasonably predict performance in the asbuilt condition. The properties of rock fall into two broad classes: rock

Get Price

influences on strength of rock hatsrestaurant.com

What factors determine the strength of a rock Answers . The factors that influence the strength of a rock and how it will deform include temperature, confining pressure, rock type, and time.

Get Price

Shear strength (discontinuity) Wikipedia

The shear strength of a discontinuity in a soil or rock mass may have a strong impact on the mechanical behavior of a soil or rock mass. The shear strength of a discontinuity is often considerably lower than the shear strength of the blocks of intact material in between the discontinuities, and therefore influences, for example, tunnel, foundation, or slope engineering, but also the stability

Get Price

Rock Solid Lesson TeachEngineering

How Do Engineers Find the Strength of a Rock? To discover all the factors that determine whether a rock might break, engineers use certain methods and equipment. They examine the rock''s texture and structure. They drill to get rock samples, called core samples (see Figure 2).

Get Price

9 Index Properties of Rocks Geology Your Article Library

The various factors that control the porosity of sedimentary rocks and soils are the following: (a) The degree of cementation (i.e. to what extent pore space is replaced by cement) and the extent of recrystallization at points where grains touch. Both are influenced by the age and history of burial of the rock.

Get Price

(PDF) Influence of water content on the strength of rock

For rock mechanics and rock engineering projects, it is strongly recommended that the dry uniaxial compressive strength is used for the purposes of strength classifiion, while for the actual engineering design it is essential to establish the wet strength and ideally the water sensitivity of the rock, in order to asses their potential change

Get Price

(PDF) Water effects on rock strength and stiffness degradation

Reduction in strength and stiffness in rocks attributed to an increase in water content has been extensively researched on a large variety of rock types over the past decades.

Get Price

Factors Affecting Strength of Concrete The Constructor

Factors Affecting Strength of Concrete. Concrete strength is affected by many factors, such as quality of raw materials, water/cement ratio, coarse/fine aggregate ratio, age of concrete, compaction of concrete, temperature, relative humidity and curing of concrete.

Get Price

Rock Failure Topics Stanford University

) probably influences compressive strength only at very great depth. 4. Complex failure criterion are unnecessarily complied and difficult to use. Strong rocks are strong. Weak rocks are not. 5. Are logbased strength estimates valid? Sometimes, especially if calibrated! 6. Under special circumstances, anisotropic rock strength (finely laminated

Get Price

Geology Exam 3 Flashcards Quizlet

A mass movement is a slow or rapid downslope movement of regolith or rock materials under the influence of Gravity. Colluvium & Ex. List 3 types of geologic or rock structures that tend to reduce the shear strength of rock materials on slopes. Geology Exam 3 93 Terms. wyttstev. Geology Exam 3 48 Terms. hannah_pass1.

Get Price

What factors determine the strength of a rock answers

The factors that influence the strength of a rock and how it will deform include temperature, confining pressure, rock type, and time.

Get Price

15.1 Factors That Control Slope Stability – Physical Geology

15.1 Factors That Control Slope Stability Mass wasting happens because tectonic processes have created uplift. Erosion, driven by gravity, is the inevitable response to that uplift, and various types of erosion, including mass wasting, have created slopes in the uplifted regions.

Get Price

Factors Affecting Strength of Concrete The Constructor

Factors Affecting Strength of Concrete. Concrete strength is affected by many factors, such as quality of raw materials, water/cement ratio, coarse/fine aggregate ratio, age of concrete, compaction of concrete, temperature, relative humidity and curing of concrete.

Get Price

1. Which of the following is NOT a major factor that

Oct 29, 2016 ·Ł)I am pretty sure that the following which is NOT a major factor that influences the strength of a rock is c. age of rock 2)The answer for the second question is high temperature and high confining pressure 3) As heat and pressure increase, ductile deformation becomes more likely 4) Once the elastic limit of rock is surpassed, the rock may flow.

Get Price

Rock Failure Topics Stanford University

Rock Failure Topics • Compressive Strength • Rock Strength from Logs probably influences compressive strength incorporate the dependence of rock strength on the intermediate principal stress, s 2, but require true polyaxial rock strength measurements.

Get Price

Compressive strength of rocks PetroWiki

Selby''s approach allows QUANTIFICATION of these factors so that the strength of a rock can be measured. 1. Strength of intact rock (20%) depends mainly on mineral composition and rock structure. Granite, for example, is mainly hard feldspar and quartz grains which interlock, making for a relatively strong rock.

Get Price

Influence of Water Content on the Strength of Rock. Eng

Water content is one of the most important factors influencing rock strength. Considerable research has been carried out to investigate rock strength under both dry and water saturated conditions.

Get Price

The effect of water content on the strength of rock – The

Dec 23, 2012 · Namely, the fractures are the most effective on the strength of rocks. Figure 5: Shear failure. Effect of Water on Rock Strength. Nowadays, the effect of water content on the 3 types of strength of rock i.e. compressive strength, tensile strength and shear strength has no certainly theory explanation exactly.

Get Price

Slope Stability Tulane University

Factors that Influence Slope Stability: Gravity In particular, clay minerals generally tend to have a low shear strength. If a weak rock or soil occurs between stronger rocks or soils, the weak layer will be the most likely place for failure to occur, especially if the layer dips in a downslope direction as in the illustration above.

Get Price

9 Index Properties of Rocks Geology Your Article Library

The various factors that control the porosity of sedimentary rocks and soils are the following: (a) The degree of cementation (i.e. to what extent pore space is replaced by cement) and the extent of recrystallization at points where grains touch. Both are influenced by the age and history of burial of the rock.

Get Price

rock Definition, Characteristics, & Types Britannica

It is important to distinguish between the high strength of a block of solid or intact rock and the much lower strength of the rock mass

Get Price

IMPACT STRENGTH OF BRITTLE MATERIALS (ROCKS)

IMPACT STRENGTH OF BRITTLE MATERIALS (ROCKS) The concrete quality is significantly influenced by the aggregates quality. The properties of the aggregates influence the durability and the static The rock strength coefficient FN is graphically determined

Get Price

The Analysis of Factors Affecting Rock Strength of Sandstone

The observation contents consist of rock constituents, grain size, textural and compositional maturity, cements and particle contact manner. Through the analysis of sedimentary characteristics and experimental determination, the research work reveals the influence factors of rock strength.

Get Price

1. Which of the following is NOT a major factor that

Oct 28, 2016 ·Ł)I am pretty sure that the following which is NOT a major factor that influences the strength of a rock is c. age of rock 2)The answer for the second question is high temperature and high confining pressure 3) As heat and pressure increase, ductile deformation becomes more likely 4) Once the elastic limit of rock is surpassed, the rock may flow.

Get Price

Section 1 Rock Deformation jkaser

How can the answer be improved?

Get Price

crust deformation and mountain building Flashcards Quizlet

What are the four factors that influence the strength of a rock and how it will deform? temperature, pressure, rock type, and time. What two ways do rocks deform permanently? brittle and ductile. What is the fracturing of an object once its strength is exceeded cooler rock near the surface of the crust?

Get Price

influences on strength of rock etsiviaggiarecisl

Influence of Water Content on Mechanical Properties of There is no generally accepted explanation for the influence of water on rock strength, although several water weakening mechanisms on the strength of rock have been proposed, including pore pressure, chemical and physical deterioration, capillary tension, etc.

Get Price

Shear strength criteria for rock, rock joints, rockfill

The actual shear strength of rock masses, and are able to produce colourful and exaggerated plastic zones that adversely influence boltlength decisions in the case of tunnel support. (10) There is a fundamental question mark hanging over the assumed validity of adding c and

Get Price

Influences of Microscopic Factors on Macroscopic Strength

Since a conventional petrographic analysis does not allow a systematic and detailed study on how the microscopic factors affect the macroscopic behavior of interlayered rocks, this research adopted a numerical model, the bonded particle model, to explore the micromechanisms associated with the strength and stiffness of interlayered rocks.

Get Price

INFLUENCE OF INTACT ROCK STRENGTH ON ROCK MASS

INFLUENCE OF INTACT ROCK STRENGTH ON ROCK MASS MECHANICAL PROPERTIES ABSTRACT The Synthetic Rock Mass (SRM) approach has the potential to capture the mechanical behavior of large rock samples. In order for the method to be used with confidence it is necessary to gain a good understanding of the factors that influences its analysis.

Get Price

The Analysis of Factors Affecting Rock Strength of Sandstone

The observation contents consist of rock constituents, grain size, textural and compositional maturity, cements and particle contact manner. Through the analysis of sedimentary characteristics and experimental determination, the research work reveals the influence factors of rock strength.

Get Price

Estimating thestrength ofrock materials saimm

ingtheuniaxial compressive strength of rock for practical engineering purposes. Table IVlists the corresponding strength ranges for the strength classifiion of rock materials8. ESTIMATION OF THE TRIAXIAL STRENGTH While determination ofthe uniaxial compressive strength ofrockis a simple matter, this is not true for the collection of the

Get Price

Rock failure relationships PetroWiki

Each of these assumptions can be violated, and some have been demonstrated to have major influences on rock strength. CoulumbNavier failure. The Effect of Triaxial Stress Systems on the Strength of Rocks at Atmospheric Temperatures. Geophys. J. R. Astron. Soc. 10 (3): 231281.

Get Price

different materials influence the properties of a rock

INFLUENCE OF INTACT ROCK STRENGTH ON ROCK MASS MECHANICAL PROPERTIES ABSTRACT The Synthetic Rock Mass (SRM) approach has the potential to capture the mechanical behavior of large rock samples. In order for the method to be used with confidence it is necessary to gain a good understanding of the factors that influences its analysis.

Get Price

Rock failure relationships PetroWiki

Each of these assumptions can be violated, and some have been demonstrated to have major influences on rock strength. CoulumbNavier failure. To begin with, a brief review of the standard Mohr failure criteria will be examined to introduce concepts and define terms, as well as to establish the basic mathematics behind the strength relationships

Get Price

Chapter 4 Engineering Classifiion of Rock Materials

Chapter 4 Engineering Classifiion of Rock Materials 631.0400 Engineering properties of rock To use rock in engineering appliions, certain properties of the rock must be assessed to reasonably predict performance in the asbuilt condition. The properties of rock fall into two broad classes: rock

Get Price

influences on strength of rock hatsrestaurant

What factors determine the strength of a rock Answers . The factors that influence the strength of a rock and how it will deform include temperature, confining pressure, rock type, and time.

Get Price

Shear strength (discontinuity) Wikipedia

The shear strength of a discontinuity in a soil or rock mass may have a strong impact on the mechanical behavior of a soil or rock mass. The shear strength of a discontinuity is often considerably lower than the shear strength of the blocks of intact material in between the discontinuities, and therefore influences, for example, tunnel, foundation, or slope engineering, but also the stability

Get Price

Rock Solid Lesson TeachEngineering

How Do Engineers Find the Strength of a Rock? To discover all the factors that determine whether a rock might break, engineers use certain methods and equipment. They examine the rock''s texture and structure. They drill to get rock samples, called core samples (see Figure 2).

Get Price

9 Index Properties of Rocks Geology Your Article Library

The various factors that control the porosity of sedimentary rocks and soils are the following: (a) The degree of cementation (i.e. to what extent pore space is replaced by cement) and the extent of recrystallization at points where grains touch. Both are influenced by the age and history of burial of the rock.

Get Price

(PDF) Influence of water content on the strength of rock

For rock mechanics and rock engineering projects, it is strongly recommended that the dry uniaxial compressive strength is used for the purposes of strength classifiion, while for the actual engineering design it is essential to establish the wet strength and ideally the water sensitivity of the rock, in order to asses their potential change

Get Price

(PDF) Water effects on rock strength and stiffness degradation

Reduction in strength and stiffness in rocks attributed to an increase in water content has been extensively researched on a large variety of rock types over the past decades.

Get Price

Factors Affecting Strength of Concrete The Constructor

Factors Affecting Strength of Concrete. Concrete strength is affected by many factors, such as quality of raw materials, water/cement ratio, coarse/fine aggregate ratio, age of concrete, compaction of concrete, temperature, relative humidity and curing of concrete.

Get Price