Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 13 of 13 for “"Effective Width"”.
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Effective Width of Floor Systems for Application in Seismic Analysis
Effective width coefficients for floor systems have been developed for use in the analysis of frames subjected to lateral seismic loads. The results cover a wide range of the governing nondimensional parameters, and are applicable to floor slabs with supporting beams as well as to flat slabs.
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Sandwich Plate System Bridge Deck Tests
… lag in the half scale bridge was studied, and an effective width to be used for design purposes was determined. The effective width of the half scale simple span sandwich plate bridge deck was determined to be the physical width. Finally, supplemental research is recommended and conclusions are …
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Electron transport in confined structures in very high mobility GaAs in perpendicular magnetic fields
… 2DEG. By using QPCs with different lithographic widths and varying the voltage applied on the gates, we can control the width of the conduction channel from ~3000 to ~100 nm. The width of the channel is estimated from the low magnetic field dependence of the conductance through the QPC. We study …
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Estudo do comportamento pós-crítico de paredes esbeltas de perfis metálicos
… compared to theoretical predictions based on the effective width method and are used to assess several design prescriptions and past propositions. The experimental investigation incluedd tests of three specimens formed by lipped channel profiles under concentric loading. Based on the experimental …
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Behaviour of long span composite beams with precast hollow-core slabs
… axis in the concrete and also establish the effective width. By varying the beam size, span of beam, shear connection and slab depth in five full-scale experiments, the behaviour of the composite beam will be established.
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Elastic and inelastic analysis of panel collapse by stiffener buckling
… the plate (incorporated by considering the plate effective width), initial imperfections and plasticity are included. The method uses the Rayleigh-Ritz approach. Based on an assumed strain distribution, a displacement field is obtained for the tripping model, and the total potential energy …
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The structural behavior of cold-formed steel members with perforated elements
… flanges. The equations for determination of the effective width have been developed on the basis of the post-buckling strength of compression elements. An experimental investigation has been conducted to study the influence of holes on the shear buckling load of beam webs. The test data was …
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Finite element modelling of shear connection for steel-concrete composite girders
The main objective of this thesis is to develop effective 3-dimensional finite element models to trace the behaviour of headed stud shear connectors in composite girders with solid slabs and precast hollow core slabs. The finite element package ABAQUS was used to conduct the analysis. Push-off …
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Nonlinear inelastic analysis of concrete-filled steel tubular slender beam-columns
… are taken into account in the models by using effective width formulas. Axial load-moment-curvature relationships computed from the fiber analysis of sections are used in the column stability analysis to determine equilibrium states. Deflections caused by preloads on the steel tubes arising …
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Developing GPS river flow tracers (GRiFTers) to investigate large scale river flow phenomena
… a reach, a means of independently measuring the effective width of channel flow, the identification of low velocity zones (and the direction of flow within these areas), three different methods for the measurement of surface flow velocity (primary flowline, cross-sectional averaged and reach …
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Use of Natural Vegetative Barriers to Limit Black-Tailed Prairie Dog Town Expansion in Western South Dakota
… buffer strips as vegetative barriers may be effective in limiting prairie dog town expansion. Objectives of this study were to evaluate effective width of vegetative barriers in limiting prairie dog town expansion, document characteristics of natural vegetation that affect expansion of …
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Flow Control on an Airfoil Under Reversed Flow Conditions Using Nanosecond Dielectric Barrier Discharge Actuators
… and vortex shedding at St = 0.20 (based on the effective width of the airfoil at angle of attack) was clearly shown in the acoustic spectra, resulting in an asymmetric wake.Active control with NS-DBD actuation at an angle of attack of 15 degrees showed negligible authority at Re = 0.25x10^6, but …
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Memory Module Design for High-Temperature Applications in SiC CMOS Technology
… It also allows tuning the access transistors' effective width during a data read operation, and a data write operation, independently. Along with the SRAM cell design, the conventional latch-based sense amplifier is also designed in the SiC CMOS process to realize the monolithic memory IC …