نتایج جستجو برای: cptu

تعداد نتایج: 82  

Journal: :NRIAG Journal of Astronomy and Geophysics 2021

In order to quantify the P- and S-wave velocities, dynamic elastic moduli bearing capacity of shallow alluvial sediments, seismic refraction cone penetration test (CPTu) soundings were carr...

Journal: :Computers and Geotechnics 2021

The paper presents a comprehensive set of simulations the cone penetration test with pore pressure measurements (CPTu test) in brittle, potentially liquefiable, soils using advanced numerical techniques. large displacements and deformations involved problem are tackled Particle Finite Element Method, especially adapted for analysis coupled geotechnical problems (G-PFEM). A non-local regularizat...

Journal: :Frontiers in Earth Science 2022

This study presented a framework for uncertainty analysis of the ultimate axial bearing capacity piles evaluated by UniCone method in layered soils. The Eslami and Fellenius (1997) is direct piezocone penetration test (CPTU) evaluating reliability design. spatial variability CPTU data modeled as random field each soil unit strata. empirical correlation coefficients are assumed to follow lognorm...

Journal: :Bulletin of Earthquake Engineering 2022

The cone penetration test-based simplified liquefaction triggering evaluations are largely based on linking manifestations in the field to resistance. These relationships interpreted such a way that for given resistance, resistance increases as non-plastic fines content (FC) increases. However, several studies have indicated discrepancies this relationship. Hence, there is lag rational scientif...

Journal: :Journal of Geotechnical and Geoenvironmental Engineering 2022

Following the 2012 Emilia-Romagna seismic sequence, widespread liquefaction of silty sands was observed, providing opportunity to enhance our knowledge influence fines content on hazard and mitigation works. This paper presents results a thorough geotechnical investigation performed in connection with full-scale controlled blast tests Bondeno, Italy, small village that suffered 2012. Piezocone ...

Journal: :Sedimentology 2023

Cone penetration tests, a method that is typically used to determine the engineering properties of soils, can be as an effective tool for refined subsurface stratigraphic investigations alluvial and coastal plains, aside from geographic location. High-resolution calibration piezocone tests (CPTU) with 20 sediment cores enabled detailed characterization alluvial, deltaic depositional systems Po ...

2009
P. K. Robertson

Engineers often want to estimate profiles of soil permeability (hydraulic conductivity) as part of the site characterization process. Several methods have been proposed to estimate the coefficient of permeability (k) using CPT results. These methods are generally based on two approaches: (1) estimated soil type and (2) rate of dissipation during a CPTu dissipation test. This paper presents upda...

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