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Listar por palabra clave "Cracking"

Mostrando ítems 1-20 de 22

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A comparison of different failure criteria in a numerical seismic assessment of an industrial brickwork chimney

Pallarés Rubio, Francisco Javier; Aguero Ramón Llin, Antonio; Ivorra Chorro, Salvador (Springer Verlag (Germany), 2009)

A theoretical analysis using three wellknown masonry analysis constitutive models is performed on a masonry structure to simulate the response of the structure to specific seismic forces. The results of the three ...
Catalytic cracking performance of alkaline-treated zeolite Beta in the terms of acid sites properties and their accessibility

Tarach, K.; Gora-Marek, K.; Tekla, J.; Brylewska, K.; Datka, J.; Mlekodaj, K.; Makowski, W.; Igualada López, María Cristina; Martínez-Triguero, Joaquín; Rey Garcia, Fernando (Elsevier, 2014-04)

The zeolite Beta is considered as a promising additive for FCC catalyst in diesel oil production. In this article, it is shown that hierarchical zeolite Beta obtained by an optimized desilication procedure increases diesel ...
Desarrollo de una herramienta de modelado de generación de hidrocarburos

Romero Hernández, Andrea (Universitat Politècnica de València, 2020-06-03)

[ES] La comprensión de los fenómenos relacionados con la generación de hidrocarburos tiene una gran importancia en el campo de la exploración de petróleo a fin de evaluar el potencial de una cuenca dada. Hoy en día, a ...
Desilication of highly siliceous zeolite ZSM-5 with NaOH and NaOH/tetrabutylamine hydroxide

Sadowska, K; Góra-Marek, Kinga; Drozdek, Marek; Kustrowski, Piotr; Datka, J; Martínez-Triguero, Joaquín; Rey Garcia, Fernando (Elsevier, 2013-03-01)

The results of both chemical and XPS analysis pointed out that desilication of highly siliceous ZSM-5 of Si/Al = 164 was more effective in the surface zone than in the bulk, contrary to zeolite ZSM-5 of Si/Al = 31.6. ...
Estudio comparativo de los hormigones reforzados con fibra de vidrio y con fibra de poliolefina.

Rostra Rodríguez, Sergio (Universitat Politècnica de València, 2021-09-28)

[ES] El objetivo principal de este trabajo es observar cómo influye la incorporación de fibras, en ausencia de barras de acero, en la mejora de la resistencia a compresión y a flexión del hormigón reforzado. En este ...
Estudio de la patología por fisuración de la estructura del edificio situado en la parcela 4N del Campus de Vera de la Universitat Politécnica de València

Pardo García, Nuria (Universitat Politècnica de València, 2017-10-24)

[EN] This final project is proposed as a professional work commissioned by the Universitat Politècnica de València, whose main target is to study the cracking found in the Instituto de Ciencia y Tecnología del Hormigón. ...
Estudio de la transmisión del esfuerzo cortante en elementos de hormigón armado mediante Modelización numérica de probetas push-off

Vallés Ferrer, Marcos (Universitat Politècnica de València, 2016-01-12)

[EN] The finite element modelling of reinforced concrete specimens tested by the push-off test is carrried out in this research. The main objective of this work is the study of the mechanisms of shear transfer in this ...
Estudio experimental sobre los modos de fallo por cortante de vigas esbeltas (a/d > 2.4) de hormigón armado y de hormigón armado reforzado con fibras de acero

Leiva Herdocia, Gabriel Eduardo (Universitat Politècnica de València, 2016-12-29)

[EN] In this research the partial reproduction of an experiment conducted for the first time in 1963 at the University of Berkeley by Bresler-Scordelis (1) and in 2004 at the University of Toronto for Vecchio-Shim (2) is ...
Estudio experimental sobre los modos de fallo por cortante de vigas esbeltas (a/d > 2.4) de hormigón armado y de hormigón armado reforzado con fibras de polipropileno

Ortiz Navas, Francisco Roberto (Universitat Politècnica de València, 2016-12-29)

[EN] An experimental campaign of 16 slender shear beams, a/d>2.5, is developed. The reinforced concrete beams with rectangular cross section are based on the geometry of the beams performed by Bresler et al in 1963 (1) ...
Fracture toughness of aged oil paints

Fuster-López, Laura; Janas, Arkadiusz; Avgerou, Nefeli; Charalambides, Maria; Bratasz, Lukasz (BioMed Central, 2024-03-28)

[EN] The fracture toughness in opening mode G Ic for selected oil paints from Mecklenburg's Paint Reference Collection after approximately 30 years of natural ageing was determined using the procedure adopted from the ASTM ...
Hydrothermal stability and catalytic performance of desilicated highly siliceous zeolites ZSM-5

Tarach, Karolina A.; Martínez-Triguero, Joaquín; Rey Garcia, Fernando; Góra-Marek, Kinga (Elsevier, 2016-07)

Highly siliceous zeolites, namely MFI type have attracted the great attention due to their higher hydrothermal stability, higher selectivity to organic compounds, and often better catalytic properties in comparison with ...
In-Situ Study of Corrosion Evolution of Alloy 926 (UNS N08926) in its Unsensitised and Sensitised State in LiBr Solutions Using Confocal Laser Scanning Microscopy

Leiva García, Rafael; Muñoz Portero, María José; García Antón, José (Electrochemical Society, 2012)

The aim of this work is to study the corrosion evolution of a unsensitised and sensitised stainless steel in a 992 g/l LiBr solution. The tested material has been a highly alloyed austenitic stainless steel (UNS N08926) ...
Influence of Growing Media on Physiological Disorders Incidence in Oriental Radishes

Torres Rubio, José Francisco; Siurana Arce, Daniel; Bono Herrera, María del Sol; Laza Albert, Mª Pilar; Pascual Seva, Nuria; San Bautista Primo, Alberto; Pascual España, Bernardo; Alagarda Pardo, José; López Galarza, Salvador Vicente; Maroto Borrego, José Vicente (International Society for Horticultural Science (ISHS), 2013-11-20)

Some cultivar radishes of ‘Daikon’ or oriental radish (Raphanus sativus L. var. longipinnatus L.H. Bailey) have largely replaced in Spain the cultivation of turnips (Brassica napus L.). Market acceptance of these taproots ...
Influence of short-term operating temperatures on compression and flexural behaviour of Macro Synthetic and Steel Fibre Reinforced Concretes

Caballero-Jorna, Marta; Roig-Flores, Marta; Serna, Pedro (Elsevier, 2023-05-15)

[EN] This study investigates the influence of operating temperatures on the mechanical properties of Fibre Reinforced Concretes (FRCs) when exposed during short-term periods (3 days). The studied parameters include types ...
Method for Evaluating the Flexural Stiffness Bar of Reinforced Concrete Structures

Fenollosa Forner, Ernesto Jesús; Alonso Durá, Adolfo; Llopis Pulido, Verónica Mª (Trans Tech Publications, 2013)

[EN] The structural design methods development nowadays allows including the effects of geometric and mechanical nonlinearity of the materials in the analysis itself. The resolution through matrixes methods frequently ...
Organic-Free Synthesis of Zeolite Y with High Si/Al Ratios: Combined Strategy of In Situ Hydroxyl Radical Assistance and Post-Synthesis Treatment

Wang, Jianyu; Liu, Pusheng; Boronat Zaragoza, Mercedes; Ferri-Vicedo, Pau; Xu, Zhaoguo; Liu, Peng; Shen, Baojian; Wang, Zhendong; Yu, Jihong (John Wiley & Sons, 2020-09-21)

[EN] Zeolite Y, with a high SiO2/Al(2)O(3)ratio (SAR), plays an important role in fluidized catalytic cracking processes. However, in situ synthesis of zeolite Y with high SARs remains a challenge because of kinetic ...
Shrinkage and mechanical properties of drying oil paints

Janas, Arkadiusz; Mecklenburg, Marion; Fuster-López, Laura; Kozlowski, Roman; Kékicheff, Patrick; Favier, Damien; Andersen, Cecil Krarup; Scharff, Mikkel; Bratasz, Lukasz (BioMed Central, 2022-11-03)

[EN] Understanding how the evolving molecular composition of an oil paint layer on its transition to an aged solid film affects its dimensional change and mechanical properties is fundamental to the assessment of material ...
Soldadura de Fundición Nodular (Dúctil) con electrodos de aporte de Ni-Fe para la raíz de la soldadura y Ni-Cu en la soldadura de relleno, para reparaciones de grandes válvulas subterráneas obtenidas por moldeo

Martínez García, Rubén (Universitat Politècnica de València, 2021-07-14)

[ES] El trabajo Fin de Grado esta basado en el conseguir mejoras en cuanto a la soldabilidad de la Fundición Nodular, muy utilizada en procesos industriales, en particular por su gran utilización en la obtención de válvulas ...
Spreadsheet - Tension-stiffening procedures for the design of RC members to SLS

Gómez Martínez, Fernando (Universitat Politècnica de València, 2017-11-09)

Spreadsheet for the calculation of equivalent stiffness and moment-curvature relationship of cracked reinforced concrete members according to codes EHE-08 and Eurocode 2
Spreadsheet for the design of reinforced concrete superficial (walls and slab) elements

Gómez Martínez, Fernando (Universitat Politècnica de València, 2017-11-07)

Spreadsheet for the design to SLS and ULS, according to Spanish code EHE-08, of reinforced concrete superficial (walls and slab) elements subjected to both membrane and plate forces, accounting for the possibility of ...