bulk modulus for basalt

Poroelastic properties of rocks with a comparison of …

Theoretical values are obtained by setting the bulk modulus of the fluid (K_{f} = 2;{text{GPa}}) ... (sandstones, limestones) and igneous (granite, basalt) rocks. The data presented enables ...

Correlation of Phase Composition, Structure, and Mechanical …

The main bulk of basalts is crystallized and is composed mainly of metamorphic minerals: actinolite, chlorite, epidote, albite, quartz, and locally carbonates (Perevozchikov et al. 2014). Basalt combines three silicate minerals: plagioclase, pyroxene, and …

Monitoring CO2 Sequestration in Basalt with Elastic …

The amount of change results from the frequency dependent velocity when basalt cores are saturated with water. Larger elastic changes due to fluid substitution are measured for the bulk modulus, with an average change of 30%. The water and CO2 saturated rock bulk modulus is modeled with two rock physics theories.

Rock mass properties

Introduction. Reliable estimates of the strength and deformation characteristics of rock masses are required for almost any form of analysis used for the design of slopes, foundations and underground excavations.

Assessing the uniaxial compressive strength and tangent Young's modulus

Basalt was used as an ornamental stone in many historic and ancient cities in Jordan. Measuring the uniaxial compressive strength (UCS) and the tangent Young's modulus (E t) in the laboratory ...

The influence of the pore shape on the bulk modulus and …

For partially saturated rocks, the equivalent bulk modulus of the fluid–gas mixture occupying the pore space can also be obtained. The paper also examines the influence of the pore shape in ...

Experimental investigation of basalt rocks as storage …

bulk density (kg/m 3) ... W/m.K in the case of basalt FRA. Young's modulus values of EGY sample decreased significantly during heating, while FRA sample showed almost a constant value (about 80 GPa). The analyses showed that French basalt is more suitable for storage application than Egyptian basalt, because the latter had suffered …

Elastic laboratory measurements and modeling of saturated …

the bulk modulus of the basalt dry and water-saturated can be modeled with an a between 0.11 and 0.17 to ﬁ t the exper- imental data, the shear modulus is ﬁ tb ya n a of half these

Effect of carbon dioxide sequestration on the mechanical properties …

In C1 basalt the Young's modulus reduced by 22 %, in C2 basalt it reduced by 43 % and in C3 basalt it reduced by 92 %. ... Shear modulus and Bulk modulus. Shear and bulk modulus are the two elastic moduli that indicate the deformational characteristics of any material under shear stress and hydrostatic pressure, respectively. They indicate …

Engineering Properties of Soil and Rock

(PMT), or Dilatometer (DMT) should be considered for evaluating the elastic modulus of the soil strata. Typical elastic modulus values of predominately granular materials are shown in Table 3. Table 3: Typical elastic modulus values for granular s oil (modified after Sabatini, 2002) . soil type range of equivalent elastic modulus ksf / (kPa)

Elastic laboratory measurements and modeling of …

Modeling with Gassmann's equations predicts the measured saturated rock bulk modulus for all fluids for frequencies below 20 Hz but underpredicts the water-saturated basalt bulk modulus for...

Elastic laboratory measurements and modeling of saturated …

However, when samples are water saturated, the bulk modulus of the rock is frequency dependent. Modeling with Gassmann's equations predicts the measured saturated rock bulk modulus for all fluids for frequencies below 20 Hz but underpredicts the water-saturated basalt bulk modulus for frequencies greater than 20 Hz.

Strength and abrasive properties of andesite: relationships …

Bulk density, uniaxial compressive strength, modulus of elasticity, indirect tensile strength and water absorption were measured. The abrasion resistance was tested by micro-Deval tests. ... The basalt-like micro-fabric such as pilotaxitic texture can also increase the strength and durability of andesite.

Grid-search inversion based on rock physics model for …

The grain bulk modulus of massive sulfide is larger than that of basalts, sulfide and silicified rocks. The bulk modulus of sulfides is small, possibly due to intense silicification from sulfide to silicified rocks. The bulk modulus of silicified rocks is relatively small, possibly due to the abundance of clay minerals and small crack aspect ...

15. VELOCITIES, DENSITIES, AND ELASTIC CONSTANTS …

The ratio of compressional to shear velocity (K, / Vs), Poisson's ratio (σ), the bulk modulus (K), the shear modulus (μ), Young's modulus (E), and Lamé's con-stant (λ) calculated from velocities and densities cor-rected for dimension changes (Christensen and Shaw, 1970) are given in Table 2 for selected pressures. DISCUSSION.

The Basalt Fiber

The strength performance of basalt fibers improves, compared to glass fibers, with increasing temperature. The elastic modulus of basalt fibers is comparable to that of glass fibers, higher compared to E-type but lower compared to S-type. Elongation at break values is higher compared to carbon fiber but lower compared to glass one (Table …

Diabase or Dolerite : Properties, Composition, …

Diabase, also known as dolerite, is a type of igneous rock that holds significance in the field of geology due to its unique characteristics and formation process. It is an intrusive rock, which …

Quantitative multi-scale characterization of single basalt …

The structural relaxation of the bulk fibre is promoted by the high drawing stress during the production ... In the present work, an increase in Young's modulus of basalt fibres has been already highlighted, which corroborates the theory that, indeed, heat treatment induces structural changes in basalt fibres, as observed in glass fibres ...

Poroelastic properties of rocks with a comparison of …

The classical theory of poroelasticity for an isotropic medium involves the skeletal deformability properties characterized by the skeletal or effective shear modulus ( (G^ {eff})), the...

P- and S-wave velocity of dry, water-saturated, and frozen basalt …

The equivalent bulk modulus, equivalent shear modulus, and equivalent density of porous basalt saturated with liquid water, water ice, and gaseous CO 2 (the most abundant molecule in the present-day Martian atmosphere; Owen et al., 1977) were determined for pore aspect ratios from 0.1 to 1 (since the aspect ratio of pores within …

Solved Question 1 (20 points). Search online for the bulk

Question: Question 1 (20 points). Search online for the bulk modulus, shear modulus, and density forgranite and basalt at room temperature and pressure, then use these values to calculate the P-wave velocity and S-wave velocity of granite and basalt.

(a) Bulk-moduli (solid symbols) and shear-moduli (open …

(a) Bulk-moduli (solid symbols) and shear-moduli (open symbols) data on a basalt sample with porosity of 13.5% and permeability of 0.15 mD. Samples are measured at seismic and ultrasonic frequencies.

Engineering properties of basalt aggregates in terms of use …

The resilient modulus values of basalt aggregates were determined in range of 98–390 mPa. As the confining pressure increased, the resilient modulus also increased. ... Application of the Bulk stress (K- θ) model. The resilient modulus shows a variation non-linearly depending on the stress applied to the specimen. Many formulas have been ...

Frequency and fluid effects on elastic properties of …

elastic properties (bulk modulus) of a basalt rock. Measure-ments have been performed in the pressure range of 0– 200 MPa, both for low frequency (0.01–0.1 Hz) and high frequency (1 MHz). 2. Sample Description and Experimental Set-Up [5] Iceland is an offshore part of the mid-Atlantic spread-ing ridge. It is an ideal laboratory to study the ...

Solved 1. Calculate the P and S wave velocities in the

1. Calculate the P and S wave velocities in the following materials: Basalt, Gneiss, Sandstone, Limestone, Shale. Use a Poisson's Ratio of 0.3 Velocity of Seismic Waves a= {k3 =, Kustiano wa MS ng 3(1-2v)' 20 2(1+) Q. - Velocity of P Waves B - Velocity of S Waves K-Bulk Modulus U - Shear modulus E-Young's Modulus V-Poisson's Ratio …

ELASTIC MODULI and PHYSICAL PROPERTIES of ROCKS

shear modulus (G ref) is unchanged by the pore fluids, which in our case are represented by air and water. The bulk modulus of the pore space is a weighted harmonic mean of the bulk moduli of the pore constituents (Gassmann, 1951). When the two pore constituents are water and air, the bulk modulus of the pore space fluids (K fl) can be ...

(PDF) sequestration in basalt: Carbonate mineralization and …

A red that the change in basalt bulk modulus from pure precipitate, possibly an iron mineral, coats the sample after being stored in a water to CO2 decreases by 17% at low frequencies water-CO reactor for 15 weeks. 2 and by 30% at high frequencies, but P-wave velocity measurements have a smaller change (4.5 to 10%) because the increase in the ...

Basalt

Explore a comprehensive list of basalt properties in both SI and US customary units at normal temperature and pressure (NTP). ... Young's Modulus (E) 60 - 100 GPa: Tensile Strength: 10 - 30 MPa: Compressive Strength: 110 - 340 MPa: Modulus of Rupture: 14 - 55 MPa: Hardness (Mohs) 4.0 - 6.5: Thermal Properties

Relationship Between the Static and Dynamic Bulk Moduli of …

Bakhorji and Schmitt found a consistent trend of the static to dynamic ratio of dry and water saturated carbonate samples to approximately 0.5.Adelinet et al. found a systematic small difference between static and dynamic bulk moduli of dry Basalt samples pressurized up to 200 MPa.Yan et al. found that the dynamic bulk modulus is …

Bulk modulus of silicate glasses at various pressures

Table 2 shows the bulk modulus of the studied basalt glass, tahilite (Bridgman 1925), nepheline glass 0.25Na 2 O±0.25Al 2 O 3 ±0.5SiO 2 (Halleck et al. 1986), glass of composition 0.3Na 2 O±0 ...