نتایج جستجو برای: cone tip resistance
تعداد نتایج: 452260 فیلتر نتایج به سال:
The study aims to construct a framework for CPT based ultimate pile capacity calculation cohesionless soils with random field theory. Cone tip resistance (qc) was taken as the spatially varying parameter constant mean and changing coefficients of variation. profiles were simulated generations, single (Qu) calculated these simulations. influence spatial variation qc on Qu investigated. proposed ...
Metal microelectrodes are widely used in neuroscience research, and could potentially replace macroelectrodes in various neuro-stimulation applications where their small size, specificity, and their ability to also measure unit activity are desirable. The design of stimulating microelectrodes for specific applications requires knowledge on how tip geometry affects function, but several fundamen...
Percutaneous treatments for trigeminal neuralgia (TN) including glycerol rhizotomy (GR), radiofrequency thermocoagulation (RT), and balloon compression (BC) are effective for patients with medical comorbidities and risk factors of microvascular decompression (MVD). These procedures are usually performed under fluoroscopy. Surgeons advance the needle to the trigeminal plexus through the foramen ...
In the fast ignition (FI) scheme, at first high-density fuel core plasma is assembled by implosion laser, and it is then heated by peta watt laser to achieve fusion burning condition. A typical target for FI is a shell fitted with a reentrant Au cone to make a pass for heating laser. It is found that a high-Z material such as Au has disadvantage as a cone material in the long-duration and high-...
In recent days, current research is going in alternative fuels due to increase in global warming and pollution in all over the world and also very stringent emission norms. In this way, the study on spray progress plays an important role in improving complete combustion and emission of fuel, because it is directly affects the air-fuel mixture formation. The macroscopic spray characteristics of ...
The intricate connections of the nervous system are established, in part, by elongating axonal fibers that are directed by complex guidance systems to home in on their specific targets. The growth cone, the major motile apparatus at the tip of axons, explores its surroundings and steers the axon along a defined path to its appropriate target. Significant progress has been made in identifying th...
This study focuses on the silty clay of Yellow River Delta, conducting laboratory experiments to explore strength characteristics typical in Delta. The utilizes CPTu calibration chamber tests systematically reveal features cone tip resistance (qt), side friction (fs), and pore water pressure (u2) clay. research provides a theoretical basis for Delta investigation region. compares applicability ...
SYNOPSIS Results of unconsolidated-undrained triaxial tests, field vane shear tests and cone penetration tests have been used to develop correlations between undrained shear strength and cone resistance for a soft to medium alluvial clay in the Lopez Canyon area of San Diego. When comparing uu triaxial results with cone resistance, the average cone factor was 11 with a standard deviation of 1.5...
In the present work, characterization of the surface trenches and vacancies with Amplitude Modulation AFM (AM-AFM) using Molecular Dynamics (MD) is simulated and the e ects of the tip shape on the resulting images are investigated. The simulated system includes a recently developed gold coated AFM probe which interacts with a sample including a surface trench or a single-atom vacancy. In order ...
We demonstrate the use of a single fiber-optic axicon device for organization of microscopic objects using longitudinal optical binding. Further, by manipulating the shape of the fiber tip, part of the emanating light was made to undergo total internal reflection in the conical tip region, enabling near-field trapping. Near-field trapping resulted in trapping and self-organization of long chain...
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