granular cell tumors are rare neoplasms of uncertain histogenesis but with a typical histologic appearance composed of cells with characteristic granular cytoplasm. these tumors occur most often in adults as an asymptomatic solitary papule or nodule. multiple granular cell tumors are rare, especially in children and teenagers. we represent a case of multiple granular cell tumors in a 19-year-ol...

Dynamic compaction (DC) is a ground treatment method that achieves soil densification effects using impact forces. The displacement of crater induced by hammer often used for the determination densification, but less attention has been paid to internal in ground. To establish an overall understanding displacements caused DC, laboratory experiment was conducted with sand. included four energy le...

This paper presents an erosion interpretation of cohesive granular materials stressed by impinging jet based on the results a micromechanical simulation model. The numerical techniques are briefly described, relying two-dimensional Lattice Boltzmann Method coupled with Discrete Element Methods including simple model solid intergranular cohesion. These then used to perform parametric study plana...

The settlements and corresponding soil reactions of a surface raft foundation subjected to vertically uniform load at the sites granular or cohesive soils have been qualitatively introduced engineers in past. This study intends verify load-response mechanism using three-dimensional finite-element analyses. Mohr–Coulomb model was used simulate nonlinear effects soils. coefficients subgrade were ...

As society moves towards decarbonisation, it is important to assess the hydromechanical behaviour of binders that could offer a low-carbon alternative Portland cement in ground improvement technologies. This work considers two such alternatives: one still largely unexplored (metakaolin-based geopolymers) and better known (colloidal silica). Results from unconfined compressive strength, permeabi...

The thermal conductivity estimation for the soil is an important step many geothermal applications. But it a difficult and complicated process since involves variety of factors that have significant effects on soils such as moisture granular structure. In this study, regression was performed with extreme gradient boosting algorithm to develop model estimating value. performance measured unseen ...

Reasonable model soil is very important in shaking table tests to reduce the distortion of structure stiffness ratio. Several soils, such as sawdust soil, sand, rubber granular powder and kaolin were prepared a dynamic triaxial test proceeded determine their characteristics. The experimental results showed that variation shear modulus damping ratio with strain was consistent undisturbed soil. F...

In this study, we offer a general view at the area of fuzzy modeling and fuzzymodels, identify the visible development phases and elaborate on a new and promisingdirections of system modeling by introducing a concept of granular models. Granularmodels, especially granular fuzzy models constitute an important generalization of existingfuzzy models and, in contrast to the existing models, generat...