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Bond of steel bars embedded in plain and fiber-reinforced concrete of different strengths Open
This paper presents the results of an experimental investigation into the bond characteristics between steel reinforcement and both plain and fiber-reinforced concrete. The study analyzed steel bars with diameters of 10 mm and 16 mm, embed…
View article: Parametric study on the structural behaviour of composite slim floors with hollow-core slabs
Parametric study on the structural behaviour of composite slim floors with hollow-core slabs Open
Steel-concrete composite structures and precast concrete elements have a common prefabrication process and allow fast construction. The use of hollow-core slabs associated with composite floors can be advantageous. However, there are few s…
View article: Assessment of design codes for the in-service behaviour of steel-concrete composite slabs
Assessment of design codes for the in-service behaviour of steel-concrete composite slabs Open
Steel-concrete composite slabs, also known as steel decking floor slabs or popularly as steel decks® have recent development and are advancing in Brazilian construction. There are relatively few researches about the long-term effects on co…
View article: Numerical investigation on slim floors: comparative analysis of ASB and CoSFB typologies
Numerical investigation on slim floors: comparative analysis of ASB and CoSFB typologies Open
Innovative composite structures have been intensively studied towards meeting the demands of civil construction. An example of such structures is slim floor, comprised of concrete or composite slabs positioned at the height of steel beams,…
View article: Computer modeling and analytical prediction of shear transfer in reinforced concrete structures
Computer modeling and analytical prediction of shear transfer in reinforced concrete structures Open
This paper presents an evaluation of shear transfer across cracks in reinforced concrete through finite element modelling (FEM) and analytical predictions. The aggregate interlock is one of the mechanisms responsible for the shear transfer…
View article: Partially encased composite columns using fiber reinforced concrete: experimental study
Partially encased composite columns using fiber reinforced concrete: experimental study Open
This paper addresses the results of an experimental study involving 10 partially encased composite columns under concentric and eccentric compressive loads. Parameters such as slenderness ratio, ordinary reinforced concrete and fiber reinf…
View article: Numerical approach of the steel-concrete bond behavior using pull-out models
Numerical approach of the steel-concrete bond behavior using pull-out models Open
This paper deals with the analysis of monotonic loading behavior in pull-out tests. The main objective is to obtain a reliable numerical model to represent the steel-concrete bond behavior using previously obtained experimental results. Th…
View article: Numerical approach of the steel-concrete bond behavior using pull-out models
Numerical approach of the steel-concrete bond behavior using pull-out models Open
This paper deals with the analysis of monotonic loading behavior in pull-out tests. The main objective is to obtain a reliable numerical model to represent the steel-concrete bond behavior using previously obtained experimental results. Th…
View article: Shear transfer mechanism in connections involving concrete filled steel columns under shear forces
Shear transfer mechanism in connections involving concrete filled steel columns under shear forces Open
This paper reports the experimental results of three through bolt beam-column connections under pure shear forces using modified push-out tests. The investigated specimens include extended end-plates and six through-bolts connecting square…
View article: Tests on composite beams using new connections by adherence
Tests on composite beams using new connections by adherence Open
Cast-in-place concrete is often the cheapest solution in the context of conventional construction. However, prefabrication presents advantages in terms of execution time, quality of the structural elements and cost. The association of prec…
View article: Reliability of partially encased steel-concrete composite columns under eccentric loading
Reliability of partially encased steel-concrete composite columns under eccentric loading Open
The Brazilian design code for composite buildings (NBR8800) has never been subject to a reliability-based calibration of the partial factors used in design. As a consequence, the level of structural safety achieved by using these factors i…
View article: A survey of the mechanical properties of concrete for structural purposes prepared on construction sites
A survey of the mechanical properties of concrete for structural purposes prepared on construction sites Open
This paper aims to study the concrete dosage conditions for structural purposes in construction sitesl, and the impacts of non-compliance of structural concrete for structural safety, having as study case the city of Angicos / RN. Were ana…