Received 09 May 2009; accepted 10 September 2009 *Corresponding author. Tel: 98 912 3875716 E-mail address: [email protected] doi: 10.1016/S1674-5264(09)60158-7 Prediction of uniaxial compressive strength and modulus of elasticity for Travertine samples using regression and artificial neural networks DEHGHAN S 1, SATTARI Gh 1, CHEHREH CHELGANI S 2,*, …

of Artificial Methane-Hydrate-Bearing Sediment Samples Kuniyuki Miyazaki 1,*, ... parameters were decided depending on the type of sand forming a specimen. The behaviors ... the strength (maximum deviator stress) qf and the initial tangent elastic modulus Ei.

Modulus of Elasticity of Concrete. Modulus of Elasticity of Concrete can be defined as the slope of the line drawn from stress of zero to a compressive stress of 0.45f' c. As concrete is a heterogeneous material. The strength of concrete is dependent on the relative proportion and modulus of elasticity …

sand grains, Fused Silica has amorphous molecular structure and this structure can result in lower Elastic modulus as well as compressibility to up to 20% under compression loadings. This behavior can also be seen in granular material such as powders or geomaterials. Soils also do not bear tensile stress but can show higher strengths when

For this reason, the predictive models are useful tool for indirect estimation of elastic modulus. In this study, to determine the modulus of elasticity of soil, a rapid, less expensive, and reliable predictive model was proposed using artificial neural network (ANN).

had better performance in prediction of elastic modulus of rocks rather than RBF-ANN and non-linear regression models. Key words: Artificial neural network; Non-linear regression; Elastic modulus. INTODUCTION One of the most important of intact rock properties for rock engineering projects is the modulus of elasticity (E).

Modulus of Elasticity of Rock Modulus of elasticity of rocks depend upon several factors, such as, Type of rock Porosity Grain size Water content Value of modulus of elasticity can be determined by static or dynamic methods. Higher value of modulus of elasticity indicates good quality rock having sound composition. Typical values of modulus of […]

An elastic modulus (also known as modulus of elasticity) is a quantity that measures an object or substance's resistance to being deformed elastically (i.e., non-permanently) when a stress is applied to it. The elastic modulus of an object is defined as the slope of its stress–strain curve in the elastic deformation region: A stiffer material will have a higher elastic modulus.

Comparative analysis of methods to obtain the elasticity modulus for concrete prepared with natural and artificial sands. ... It was proved that the artificial sand increases the mechanical ...

Modulus of elasticity of concrete(Ec) is defined as the ratio of the applied stress to the corresponding strain. Not only does it demonstrate the ability of concrete to withstand deformation due to applied stress but also its stiffness. In other words, it reflects the ability of concrete to deflect ...

Jan 06, 2011· 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. I …

and laboratory measurements of dynamic shear modulus of Piedmont residual soils, Behavioral Characteristics of Residual Soils, GSP 92, ASCE, Reston, VA, pp. 12 ... As γs increases past the elastic threshold shear strain ... and sand, silt, and clay contents in each of the specimens tested are

A series of cone penetration and bender element tests were performed on sands artificially cemented with gypsum in a calibration chamber to investigate the effect of cementation on the cone tip resistance (q c) and small strain shear modulus (G max) of sand.It was found that both the q c and G max of cemented sand are significantly affected by the degree of cementation while the effects of ...

Young's modulus or Young modulus is a mechanical property that measures the stiffness of a solid material. It defines the relationship between stress (force per unit area) and strain (proportional deformation) in a material in the linear elasticity regime of a uniaxial deformation.. Young's modulus is named after the 19th-century British scientist Thomas Young.

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.

The modulus of rupture of brick aggregate concrete is, on the average, 10 percent higher than that for gravel aggregate concrete. The static and dynamic modulus of brick and artificial aggregate concrete is lower than those of gravel aggregate concrete. Good correlations exist between compressive strength and tensile strength and elastic moduli.

The elastic modulus of soil, also referred to as soil modulus or Young's modulus, is a soil characteristic that measures how much it can be stretched or squeezed and must be taken into account, particularly in construction, engineering and landscaping projects. Several factors influence soil …

Estimation of Elastic Modulus of Intact Rocks by Artiﬁcial Neural Network 1049 123. Most ANN systems use the sigmoid function to deter-mine whether to ﬁre a neuron (Mitchell 1997). The generic

Elastic Moduli (GPa) Clay Content Volume Compressional Modulus Shear Modulus b.2.3 0 0.2 0.4 0.6 0.8 1 Poisson's Ratio c Clay Content Volume The elastic properties of the Ottawa sand and kaolinite mixture are plotted versus the total porosity below. The non-uniqueness of the elastic moduli, and, especially, Poisson's ratio in

Mar 07, 2018· We have also discussed about young modulus of elasticity in my last post. This article gives you brief information about other three constant. Let's start the discussion. Elastic Constant: Bulk Modulus of Elasticity: The ratio of direct stress to linear strain under elastic limit is known as young modulus of elasticity.

a fineness modulus of 5.68 and with a specific gravity of 2.72, was also used. Similarly, ASAs used in the study had a maximum particle size of 16 mm (0.6299 in.), fineness modulus of 5.53, and a specific gravity of 2.14. Sieve analysis and physical properties of both natural and artificial slag aggregates are shown in Table 2. Production of ASA

A new artificial reef concrete (NARC) with sulphoaluminate cement, marine sand and sea water et al. was proposed. The effect of cement type, sand type and water type on the workability (namely slump, slump loss cohesiveness, water retention), mechanical properties namely compressive strength, splitting tensile strength and dynamic elastic modulus) and affinity (namely surface initial pH value ...

Dehghan S, Sattari GH, Chehreh CS, Aliabadi MA (2010) Prediction of unconfined compressive strength and modulus of elasticity for Travertine samples using regression and artificial neural. New Min Sci Technol 20:0041–0046 Google Scholar

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.

Modulus of elasticity (MOE) is one of the main factors that affect the deformation characteristics and serviceability of concrete in the hardened state. The use of recycled concrete aggregate (RCA) in concrete production can lead to a significant reduction in the MOE. An artificial neural network (ANN) was employed to quantify the

Youngs Modulus or Tensile Modulus alt. Modulus of Elasticity - and Ultimate Tensile and Yield Strength for steel, glass, wood and other common materials Sponsored Links Tensile Modulus - or Youngs Modulus alt. Modulus of Elasticity - is a measure of stiffness of an elastic material. ... fineness modulus of natural sand ...

modulus, stiffness, stiffness reduction ABSTRACT: Soil stiffness constitutive model parameters are required when investigating and/or modeling stress-related deformations in geotechnical problems. The seismic dilatometer test (SDMT) can be used to determine various stiffness related parameters. This paper discusses utilizing SDMT to determine the

Young's Modulus or Tensile Modulus alt. Modulus of Elasticity - and Ultimate Tensile and Yield Strength for steel, glass, wood and other common materials Sponsored Links Tensile Modulus - or Young's Modulus alt. Modulus of Elasticity - is a measure of stiffness of an elastic material.

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