Results 31 to 40 of about 17,446 (188)

Barba Jacob el hechizado

open access: yesRevista Mexicana de Ciencias Políticas y Sociales, 2015
Juicio estético de la obra y relato del drama personal de Porfirio Barba Jacob, poeta colombiano. Visión, desde distintos ángulos, del poeta aferrado al maderamen del tiempo, como un náufrago.
Fedro Guillén
doaj   +1 more source

The Isotope Effect in d-Wave Superconductors

open access: yes, 1995
Based on recently proposed anti-ferromagnetic spin fluctuation exchange models for $d_{x^2-y^2}$-superconductors, we show that coupling to harmonic phonons {\it{cannot}} account for the observed isotope effect in the cuprate high-$T_c$ materials, whereas
A.J. Fedro   +39 more
core   +1 more source

Assessment of corrosion attack morphology on reinforced concrete structures exposed to chlorides

open access: yesStructural Concrete, Volume 26, Issue 2, Page 2124-2141, April 2025.
Abstract Chloride‐induced corrosion of the reinforcement steel is the main degradation mechanism for reinforced concrete, considerably affecting the load and deformation capacity of structures. Despite its importance, there is limited knowledge about the morphology of corrosion attacks and accordingly, relatively crude assumptions are generally made ...
Deniz Yilmaz, Emanuele Rossi, Ueli Angst
wiley   +1 more source

Filosofía, tecnología y educación. La lectura platónica de Neil Postman

open access: yesCuadernos de Pensamiento, 2022
A partir de la lectura que Neil Postman realiza del célebre pasaje del Fedro de Platón acerca de la invención de la escritura, este artículo pretende analizar qué principios incluidos en el viejo texto platónico son pertinentes hoy para reflexionar ...
Delmiro Rocha Álvarez
doaj   +1 more source

La "parresía" y "anaídeia" fedrianas: contenido y originalidad [PDF]

open access: yes, 1982
El título del presente trabajo centra la reflexión en la figura del fabulista Fedro y, más en concreto, en los aspectos cínicos de su obra. Dejamos a un lado otros temas de la ideología cínica en el fabulista latino, tales como el de la fortuna, la ...
Chaparro Gómez, César
core   +1 more source

Estimation of the bar stress based on crack width measurements in reinforced concrete structures

open access: yesStructural Concrete, Volume 25, Issue 6, Page 4454-4479, December 2024.
Abstract Estimating the stress of reinforcing bars and its variations in service conditions can be useful to determine the reserve capacity of structures or to assess the risk of fatigue in the reinforcement. This paper investigates the use crack width measurements to estimate the stress in the bars. In existing structures, crack width formulations can
Enrique Corres, Aurelio Muttoni
wiley   +1 more source

O que esta mulher está fazendo aqui? A coragem de Alceste no Banquete de Platão

open access: yesNuevo Itinerario, 2019
Este artigo objetiva analisar a menção de Fedro à Alceste em seu discurso de elogio a Erōs no Banquete de Platão, buscando compreender a função deste exemplo, verificando a utilização da personagem como modelo relacionado à virtude da coragem (andreia ...
Fernanda Pio, Gabriele Cornelli
doaj   +1 more source

Steel stresses and shear forces in reinforcing bars due to dowel action

open access: yesStructural Concrete, Volume 25, Issue 6, Page 4956-4974, December 2024.
Abstract Reinforcing bars in structural concrete are typically designed to carry axial forces. Nevertheless, due to their bending stiffness, the bars can also carry transverse forces, that are associated with the localized bending mechanism (dowel action) resulting from the relative displacements (or slip) wherever a crack interface or a discontinuity ...
Marko Pejatović, Aurelio Muttoni
wiley   +1 more source

La escena del "Fedro" de Platón: un ejemplo de 'thíasos' filosófico [PDF]

open access: yes, 2011
El fedro es un diálogo platónico entre dos almas que deben reconocerse como amigas. Pero lo que el fedro intenta no es precisamente exhibir la amistad, sino ocultarla o, más bien, dramatizarla mediante la puesta en escena de un thíasos.
Carrasco, Nemrod
core  

Experimental investigation of dowel action in reinforcing bars using refined measurements

open access: yesStructural Concrete, Volume 25, Issue 4, Page 2732-2758, August 2024.
Abstract In typical reinforced concrete design, reinforcement is designed to carry axial forces, but it can also resist transversal forces by dowel action. This is usually neglected for simplicity's sake in the design phase, but it can be accounted for either explicitly in mechanical models or implicitly in empirical relationships.
Marko Pejatović, Aurelio Muttoni
wiley   +1 more source

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