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Mostrando ítems 31-40 de 285
Avaliação das ações térmicas e de retração em uma edificação em paredes de concreto moldadas in loco
(Universidade Federal de Santa MariaBrasilUFSMCentro de Tecnologia, 2021-07-05)
This research aims to analyse the effects of thermal variations and shrinkage on four walls and the roof slab of a concrete walls casted in place building. Three types of thermal loads have been testeds, a uniform heating ...
Characterizing Lightweight Aggregate Desorption at High Relative Humidities Using a Pressure Plate Apparatus
(ASCE-AMER SOC CIVIL ENGINEERS, 2012)
This paper describes the results of an experimental study that was performed to obtain desorption isotherms for a wide range of fine lightweight aggregates that are used commercially in North America. The desorption isotherms ...
Influence of autogenous shrinkage on mass transport properties of concreteMaskana. Revista Científica
(Universidad de Cuenca, 2016)
Principales tipo de contracción, efectos sobre el concreto y sus métodos de mitigación
(Escuela Colombiana de Ingeniería Julio Garavito, 2020)
The phenomenon of the shrinkage is one of the main factors that affect the durability of concrete, this is presented as a consequence of the loss of moisture generated in the processes of hydration of cement, in addition ...
Compressive strength of high-strength concrete masonry grouted prisms
(Elsevier B.V., 2019-03-30)
An experimental program was devised to assess the influence of the compressive strength of the grout on the compressive strength of masonry constructed with high-strength concrete masonry units. Three different compressive ...
Study of Hygral Behavior of NON-asbestos Fiber Cement Made by Similar Hatschek Process
(Univ Fed Sao Carlos, Dept Engenharia MaterialsSao CarlosBrasil, 2014)
Análise da influência da variação de temperatura e retração em edifícios de concreto armado sem juntas
(Universidade Federal de Santa MariaBrasilUFSMCentro de Tecnologia, 2023-02-20)
This work presents an analysis on the inclusion of the effects of temperature variation and shrinkage in reinforced concrete buildings without joints, evaluating the influence: on the resulting efforts, on the stability ...
Retração total e penetração de cloretos em concretos com cimento Portland branco e escória de alto forno
(Universidade Federal de Santa MariaBREngenharia CivilUFSMPrograma de Pós-Graduação em Engenharia Civil, 2009-06-25)
Drying Shrinkage is a phenomenon that occurs in concrete, subjected or not to a load, due to water loss, once exposed to environment and allowed to dry. It is
responsible for almost the entire total shrinkage strain in ...
Retração total e penetração de cloretos de concretos compostos com cinza de CCA de diferentes teores de carbono grafítico
(Universidade Federal de Santa MariaBREngenharia CivilUFSMPrograma de Pós-Graduação em Engenharia Civil, 2012-02-27)
The use of agro-industrial by-products with pozzolanic properties has become
an alternative in the cement industry because of the increasing consumption of
cement, aiming at the rational use and sustainability of the ...