• Soil Young''s modulus

    Soil Young''s modulus (E), commonly reffred to as soil elastic modulus, is an elastic soil parameter and a measure of soil stiffness. It is defined as the ratio of the stress along an axis over the strain along that axis in the range of elastic soil behaviour.

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  • Determination of Typical Resilient Modulus Values for ...

    modulus of various Wisconsin subgrade soils from basic soil properties. Laboratory testing program was conducted on common subgrade soils to evaluate their physical and compaction properties. The resilient modulus of the investigated soils was determined from the repeated load triaxial test following the AASHTO T 307 procedure. The

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  • Modulus of Subgrade Reaction

     · Modulus of subgrade reaction of soil is considered when the elastic behavior of the soil is used for the analysis. Today there are many software that can be used to model the soil with subgrade reaction. If we know the modulus of subgrade reaction, the elastic behavior of the soil can be model. SAP2000, Etabs and other similar structural ...

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  • Modulus of Elasticity E Values

     · I use sigma W in order to estimate inmediate settlements. As you may know, you need to enter the Modulus of Elasticity values (E) and poisson, for each soil layer. I have some Modulus of elasticity values according to the SPT-N values. From 0-4, 5-10, 11-30, 31-50, 51-100, >100. It doesn''t matter if it is a cohesive or cohesionless soil.

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  • Evaluation of Modulus of Elasticity and Modulus of ...

     · Hence, the modulus of elasticity, E, of clayey sand soil at the 2.5 mm deflection is around 3900 kPa. Using Equation (8), the value of k s is 116535.52 kN/m 3 . Thus the value of k s for every size, shape and rigidity of plate can be computed knowing the value of E of the soil, which can be obtained from the CBR using equation (8).

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  • Dynamic Properties of Soft Clay and Loose Sand from ...

    modulus and damping ratio with shear strain ampli-tude and confining pressure, and to assess their effects on site response. The estimated modulus reduction and damping ratio were compared to the predictions of empirical formulae and resonant column tests for both soft clay and loose sand. The evaluated shear modulus

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  • Fineness Modulus of Aggregates: The Inside Scoop

    Fineness Modulus of Sand. To calculate the fineness modulus of sand, the sum of the cumulative percentages retained on the following sieves are divided by 100: 150μm (No. 100), 300μm (No. 50), 600-μm (No. 30), 1.18mm (No. 16), 2.36mm (No. 8), and 4.75mm (No. 4) for fine aggregates.

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  • Measurement of Elastic Modulus of PUNB Bonded Sand as a ...

    In both references, the elastic modulus was measured at no more than ten discrete temperatures. Furthermore, the variation of the elastic modulus during cooling from an elevated temperature was not investigated. In the present study, measurements are performed of the elastic modulus PUNB bonded of sand that is typical of steel casting molds.

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  • Design Manual 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)

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  • Fineness Modulus Of Sand | Sieve Analysis Of Fine ...

     · Fineness Modulus of Fine Aggregate Test Procedure: Following is the test procedure for fineness modulus of sand test, 1) Take the sieves and arrange them in descending order with the largest sieve on top. 2) If a mechanical shaker is using …

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  • Effect of Fineness of Sand on the Cost and Properties of ...

    On the other hand by increasing Fineness Modulus from 2.5 to 3, the strength increases from 4.25 to 4.81 MPa resulting in 13.1% increase in strength. For Every 0.1 increase in FM of sand from 2.0 to 3.0, Flexural Strength increases by 2.1 to .5%. The increase in strength is more towards coarser side of sand.

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  • Lateral Subgrade Modulus of Sands for Deep Foundations

    Lateral Subgrade Modulus of Sands for Deep Foundations DANIEL 0. WONG The common practice of designing laterally loaded deep foun­ dations is either by means of the lateral sub grade modulus concept or by the lateral load tran fer method. The lateral subgrade mod­ ulu for sand is a function of several factors including deflection,

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  • Some Useful Numbers

    Young''s Modulus (E) Clay soil 10-200 MPa (soft to stiff) Sandy soil 10-50 MPa (loose to compact) Gravel soil 70-170 MPa (loose to compact Soft clay 1-3 MPa Hard clay 6-14 MPa Loose sand 10-28 MPa Dense sand 35-69 MPa Granite 10-70 GPa Sandstone 1-20 GPa Shale 1-70 GPa Limestone 15-55 GPa Marble 50-70 GPa ...

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  • Subgrade Design and Construction

     · include soil classification, soil unit weight, coefficient of lateral earth pressure, and estimated CBR or resilient modulus. Table 6E-1.01 summarizes the suitability of different soils for subgrade applications, and Table 6E-1.02 gives typical CBR values of different soils depending on soil …

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  • Soil elastic Young''s modulus

     · Soil Young''s modulus (E), commonly reffred to as soil elastic modulus, is an elastic soil parameter and a measure of soil stiffness. It is defined as the ratio of the stress along an axis over the strain along that axis in the range of elastic soil behaviour.

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  • Shear modulus and damping ratio of grouted sand ...

     · The shear modulus and damping ratio of a pure sand and of a sand grouted with three different grouts were determined using resonant column tests and cyclic triaxial tests. The effects of confining stress, of grouting, and of the type of grout on the shear modulus …

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  • Fineness Modulus of Fine Aggregate | Fineness Modulus of ...

    Fineness Modulus of Fine Aggregate: The sand fineness module (fine aggregate) is an index number describing the mean size of sand particles. By doing sieve analysis with normal sieves, it is measured.. The accumulated percentage kept on each sieve is applied and the sum of the fine aggregate is subdivided by 100.. To find the fine aggregate fineness modulus…

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  • What is Fineness Modulus of Sand (Fine Aggregate) and ...

     · Fineness modulus of sand (fine aggregate) is an index number which represents the mean size of the particles in sand. It is calculated by performing sieve analysis with standard sieves. The cumulative percentage retained on each sieve is added and subtracted by 100 gives the value of fineness modulus. Fine aggregate means the aggregate which ...

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  • Fineness Modulus

    To find the fineness modulus of fine aggregate we need sieve sizes of 4.75mm, 2.36mm, 1.18mm, 0.6mm, 0.3mm and 0.15mm. Fineness modulus of finer aggregate is lower than fineness modulus of coarse aggregate. Determination of Fineness Modulus of Sand To determine the fineness modulus, we need standard sieves, mechanical sieve shaker (optional ...

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  • FINENESS MODULUS OF AGGREGATE – WHAT, WHY & HOW ...

     · Fineness modulus is an empirical factor obtained by adding the cumulative percentages of aggregate retained on each of the standard sieves ranging from 80 mm to 150 micron and dividing this sum by 100. Fineness Modulus of Sand Why to Determine Fineness Modulus? Fineness modulus is generally used to get an idea of how coarse or fine the ...

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  • TA 160

    the ring to the modulus of elasticity of the material. However, the material modulus becomes more compli-cated because a soil-structure interaction takes place. The material modulus becomes a combination of the structural modulus (stiffness) of the pipe and the mod-ulus (stiffness) of the soil, so that: load on pipe

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  • (PDF) Typical Values of Young''s Elastic Modulus and ...

    Typical Values of Young''s Elastic Modulus and Poisson''s Ratio for Pavement Materials Young''s Elastic Modulus Poisson''s Ratio Material (E or Mr), psi (μ or ν) Asphalt concrete 32 F 2,000,000 – 5,000,000 0.25 – 0.30 (uncracked) 70 F 300,000 – 500,000 0.30 – 0.35 140 F 20,000 – 50,000 0.35 – 0.40 Portland cement concrete 3,000,000 – 5,000,000 0.15 (uncracked) Similar to ...

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  • Young''s Modulus for Soil on the Geotechnical Information ...

    Young''s Modulus publications, software and technical guidance for the career development, information, and resources for Geotechnical Engineers. Information includes modulus of elasticiity calculations, typical elastic modulii values, average Young''s modulus values with relation to soil type, including clay, sand, silt, and gravel, calculations for modulus of elasticity using undrained shear ...

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  • Elastic Modulus Values for Various Soil Types

    Typical Soil Elastic Modulus (Young''s Modulus) Values. More Properties. Notation and Units. Metric and Imperial Units. The above values have been provided with both imperial and metric units. As with all calculations care must be taken to keep consistent units throughout.

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  • Young''s modulus

    Young''s modulus, the Young modulus, or the modulus of elasticity in tension, is a mechanical property that measures the tensile stiffness of a solid material. It quantifies the relationship between tensile stress (force per unit area) and axial strain (proportional deformation) in the linear elastic region of a material and is determined using the formula:

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  • table 6-1. Typical Values of Modulus of Soil Reaction

    Typical Values of Modulus of Soil Reaction. (250 pci) should be sufficient. A maximum k value of 135 MN/m3 (500 pci) will be used. Typical values. of k for different soil types and moisture contents are shown in Table 6-1. Available (lb/in.2/in.) evaluations at the same facility if at all possible. These default values are suggested for use for ...

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  • Elastic Dynamic Young''s Modulus and Poisson''s Ratio of ...

     · Based on the flexural resonant column tests performed on the sand–silt mixture specimens with variable parent sand materials in terms of uniformity coefficient and particle shape, a new expression is established for the evaluation of the small-strain dynamic Young''s modulus of silty sands using the concept of equivalent granular void ratio.

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  • STRUCTURE magazine | Subgrade Modulus – Revisited

    The Subgrade Modulus, also known as the Modulus of Subgrade Reaction, is a stiffness parameter typically used in defining the support conditions of footings and mat foundations, such as that shown on Figure 1.The parameter is expressed in units of [Force]/[Length] 3.Physically however, it is defined as the (contact) bearing pressure of the foundation against the soil that will produce a unit ...

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  • What is Fineness Modulus of Sand (Fine Aggregate) and Calculation

    What is Fineness Modulus of Sand (Fine Aggregate) and Calculation

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  • Fineness Modulus of Aggregates: The Inside Scoop

    Fineness Modulus of Sand. To calculate the fineness modulus of sand, the sum of the cumulative percentages retained on the following sieves are divided by 100: 150μm (No. 100), 300μm (No. 50), 600-μm (No. 30), 1.18mm (No. 16), 2.36mm (No. 8), and …

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  • FINENESS MODULUS OF FINE AGGREGATE

    FINENESS MODULUS OF FINE AGGREGATE TxDOT Designation: Tex-402-A Effective Date: August 1999 1. SCOPE 1.1 This method determines the fineness modulus of concrete fine aggregate used in evaluation of natural and manufactured sands for portland cement concrete. 1.2 The values given in parentheses (if provided) are not standard and may not be exact

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  • Stiffness of sands through a laboratory test database

    modulus degradation curves for sand, for the purpose of earthquake site response analysis. This S-shaped curve was obtained for 75 tests on a total of 30 sands, with a wide range of con ning pressure, relative density and void ratio. Hardin & Drnevich (1972b), Iwasaki et al. (1978), Kokusho

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  • ELASTIC PROPERTIES AND POROSITY

    4 0 10 20 30 40 50 60 0 0.2 0.4 0.6 0.8 1 Bulk Modulus (GPa) Porosity SOLID GLASS Frame-Supported Foam Disintegrated Foam Honeycomb Structure A critical porosity value exists which is typical for a given class of porous materials. Each class is defined on the basis of common mineralogy and/or diagenetic porosity reduction

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  • Shear modulus

     · Shear modulus. For soils the stress-strain behaviour of most interest in earthquakes is that involving shear, and, except for competent rock, engineering soils behave in a markedly non-linear fashion in the stress range of interest. For small strains the shear modulus of a soil can be taken as the mean slope of the stress-strain curve.

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  • What Is Fineness Modulus of Sand?

    Fineness Modulus of Sand. Fineness modulus of aggregate is an index number which gives an idea about the finance of aggregate and is an approximate proportion of the average size of particle in the aggregate. It is found out by sieve analysis test of standard size in the laboratory. The thumb rule is lower the fineness modulus, particles are ...

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  • ROCK PHYSICS BASICS

    depend on the static Young''s modulus and Poisson''s ratio. 2.14 ROCK PHYSICS BASICS Static and Dynamic Moduli in Sand ν= 1 2 (V p / V s) 2 − 2 (V p / V s) 2 − 1 Porosity (left) and velocity (right) versus pressure in high-porosity room-dry sand sample from the Gulf of Mexico.

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  • CHAPTER 2 SIEVE ANALYSIS AND FINENESS MODULUS …

    Or if sampling a stockpile of sand, or ! ne aggregate, it is usually necessary to remove the dry layers where the segregation occurs and sample the damp material below. ! " # $ % & Sieve Analysis Aggregate gradation (sieve analysis) is the distribution of particle sizes expressed ... Fineness Modulus! " # $ " # % & Sieve

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