Estimation of soil young modulus based on the electrical resistivity imaging (ERI) by using regression equation

Yasir, S. F.; Abbas, Hasan Ali; Jani, Janmaizatulriah

doi:10.1063/1.5062697

Cited by 11 publications

(4 citation statements)

References 13 publications

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“…On the cratonic scale, Jones et al (2013) proposed a bestfitting linear trend between shear velocity and the reciprocal of the logarithm of resistivity before using this trend to predict V s from electrical measurements. In the soil sciences, Yasir et al (2018) estimated the shear modulus of soil in place by first calculating Young's modulus from electrical tomography results using an empirical model, before employing tabulated Poisson's ratios and the equations of linear elasticity to obtain the result. Although some other works do exist which predict V s from resistivity, their methods are generally not based on first principles physics, require more measurements than resistivity alone, or both.…”

Section: Introductionmentioning

confidence: 99%

Linking elastic and electrical properties of rocks using cross-property DEM

Cilli¹,

Chapman²

2020

Preprint

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Section: Introductionmentioning

confidence: 99%

Linking elastic and electrical properties of rocks using cross-property DEM

Cilli¹,

Chapman²

2020

Preprint

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“…This approach works effectively when the ratio between the square root of the projected contact area and the thickness of the coating is in the range of 0 to 4 (King, 1987). The roller drum is made of steel with an elastic modulus of approximately 210 GPa (Chen et al, 2016), the elastic modulus of soils ranges between 2 MPa to 320 MPa (Yasir et al, 2018), and the elastic modulus of typical asphalt material is around 150 MPa at 49°C (Newcomb et al, 2002). The elastic modulus of asphalt during compaction is even lower than 150 MPa, as the asphalt temperature is above 80°C (Timm et al, 2001).…”

Section: Conceptual Development Of a Correction Methods For Effect Of...mentioning

confidence: 99%

In-situ Spot Test Measurements and Icmvs for Asphalt Pavement: Lack of Correlations and the Effect of Underlying Support

Sivagnanasuntharam¹,

Sounthararajah²,

Kodikara³

2022

Preprint

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The main aim of this paper is to analyse the performance of different intelligent compaction measurement values (ICMVs) and compare them with spot test measurements for asphalt pavement. To accomplish this, a two-layer asphalt testbed was constructed using an instrumented double-drum roller. All ICMVs [compaction meter value ( ), compaction control value ( ), roller-integrated stiffness ( ), and vibratory modulus ( )] were calculated using the same accelerometer data collected during the construction of the asphalt testbed. A novel method using the cross-correlation technique was developed to estimate the phase lag between the excitation force of the roller drum and the ground reaction, which is required for and calculations. The analysis of ICMV data showed a strong correlation between and , while and demonstrated a strong correlation only when double jump of the roller drum did not occur. Further, none of the ICMVs recorded during the last roller pass of asphalt compaction showed an acceptable correlation with asphalt densities [measured using a non-nuclear density gauge (NNDG)], mainly due to the influences of the underlying support and asphalt temperature on ICMVs. A correction method to decouple the influence of underlying support on was developed and validated using existing data from the literature. The applicability of this method for different field scenarios was demonstrated using numerical modelling.

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“…Shear modulus (G): Shear modulus is one of the most signi cant elements in geotechnical design for maintaining an acceptable margin of safety in the design of structures such as buildings (Pamuk et al, 2019). The shear modulus, soil bulk density, and shear wave velocity (Vs) have a direct connection that may be determined using seismic techniques (Morsy et al, 2019;Yasir et al, 2018). When shear strength surpasses a speci c threshold, the shear modulus decreases as shear strain increases.…”

Section: Soil Dynamic Propertiesmentioning

confidence: 99%

Dynamic Soil Properties for Construction Site Investigation Using Geophysical Methods

Bello

Muztaza

Zakaria

et al. 2023

Preprint

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Geophysical approaches are used for site characterization to determine the dynamic behaviour of soil. Structures built on a site without sufficient assessment are prone to collapse or failure. Thus, before beginning any building activity, it is critical to assess the soil dynamic qualities. This is significant because buildings are constructed on top of the ground surface, supported by the underlying soil and rock. This work aimed to determine a competent layer for building foundations. This study was conducted to evaluate the dynamic soil behaviour of Paya Terubong on Penang Island. Resistivity, Young's modulus, shear modulus, Poisson's ratio, bulk modulus, bulk density, rippability, and material bearing capacity are among the parameters utilised for the characterization. This will be obtained from the electrical resistivity, seismic refraction, and MASW methods. Three layers were detected by these methods. Results from the study indicate that the area is mostly composed of highly dense silty sand and granitic bedrock, which makes it competent for foundation construction since higher compaction raises the ultimate and allowable bearing capacities of the third layer to very high levels. In addition, soil and rock layers identified using geophysical methods match well with the borehole data showing that material stiffness increases with depth. Rippable layers extend from the ground surface to a depth of 3 meters. The calculated values gotten from the soil dynamic properties and material bearing capacity show that the second and third layers have good geotechnical qualities. The ultimate bearing capacities calculated for the first layer range from 453 to 731 kPa, while the second layer capacities range from 1041 to 1691 kPa, and capacities for the third layer range from 2013 to 3650 kPa. For setting up structures, the second layer can support building foundations at a depth of 4 meters from the existing ground level. This approach is cost-effective, saves time, and is non-destructive for site characterization.

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Estimation of soil young modulus based on the electrical resistivity imaging (ERI) by using regression equation

Cited by 11 publications

References 13 publications

Linking elastic and electrical properties of rocks using cross-property DEM

Linking elastic and electrical properties of rocks using cross-property DEM

In-situ Spot Test Measurements and Icmvs for Asphalt Pavement: Lack of Correlations and the Effect of Underlying Support

Dynamic Soil Properties for Construction Site Investigation Using Geophysical Methods

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