Searched for: author%3A%22Nijgh%2C+M.P.%22
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Nijgh, M.P. (author)
Traditionally welded headed studs have been used to generate composite interaction between a steel beam and a (cast in-situ) concrete floor. This permanent connection impairs the demountability of the structural components and therefore demolition of the composite floor system is inevitable at the end of the functional service life. The...
doctoral thesis 2021
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Nijgh, M.P. (author), Veljkovic, M. (author)
Demountable and reusable composite floor systems enable the decoupling between the use of construction materials and economic activity, and hereby contribute to the sustainability of the built environment. Efficient material use through optimised cross-section design reduces construction material demand. Demountable steel-concrete composite...
journal article 2020
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Nijgh, M.P. (author), Veljkovic, M. (author)
The design of sustainable structures is increasingly gaining attention in the construction sector as a societal and technological challenge. Demountability and reuse of structures contributes to the reduction of the environmental impact of the built environment. Welded headed studs used in traditional steel-concrete composite floor systems need...
journal article 2020
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Xin, H. (author), Nijgh, M.P. (author), Veljkovic, M. (author)
Injection bolts are bolts in which the cavity produced by the clearance between the bolt and the wall of the hole is completely filled up with a two-component resin. Filling of the clearance is carried out through a small hole in the head of the bolt. After injection and complete curing, the connection is slip resistant. Recently the...
book chapter 2020
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Gîrbacea, Andrei (author), Nijgh, M.P. (author), Veljkovic, M. (author)
Composite beams are commonly used in current design practice due to their efficient material use and competitive execution. The shear connection is mainly achieved by means of headed studs welded on the top flange. However, the welded connectors obstruct the possibility of a non‐destructive disassembly required to reuse the steel beams and...
conference paper 2019
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Nijgh, M.P. (author), Gîrbacea, Andrei (author), Veljkovic, M. (author)
Steel-concrete composite beams are widely used in practice because of their simple construction sequence and economic cross-section design. Reuse of traditional composite beams is not possible due to the permanent connection between the steel beam and concrete deck established by welded headed studs. To allow for fast construction,...
journal article 2019
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Xin, H. (author), Nijgh, M.P. (author), Veljkovic, M. (author)
In this paper, compressive material tests on unconfined/confined resin and steel reinforced resin were experimentally evaluated in order to validate the numerical results. The uniaxial model which combines damage mechanics and Ramberg-Osgood relationship is proposed in this paper to describe the uniaxial compressive behaviour of resin and...
journal article 2019
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Stranghöner, Natalie (author), Afzali, Nariman (author), Jungbluth, Dominik (author), Veljkovic, M. (author), Bijlaard, F.S.K. (author), Gresnigt, A.M. (author), de Vries, P.A. (author), Kolstein, M.H. (author), Nijgh, M.P. (author)
SIROCO investigated the slip-resistant behaviour of carbon and stainless steel preloaded connections as well as the preloading behaviour of stainless steel bolting assemblies in principle. The slip factor test procedure according to Annex G of EN 1090-2 was investigated regarding the influence of the test speed, preload level, tightening method,...
report 2019
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Kozma, András (author), Odenbreit, Christoph (author), Braun, Matthias (author), Veljkovic, M. (author), Nijgh, M.P. (author)
Circular Economy refers to a move from linear business models, in which products are manufactured from raw materials, used and then discarded, to circular business models where products or parts are re-used, remanufactured or recycled. Structural steel is highly compatible with this concept; however, when steel-concrete composite structures are...
journal article 2019
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Nijgh, M.P. (author), Xin, H. (author), Veljkovic, M. (author)
This paper illustrates the most recent developments in the field of injected bolted connections. A novel injection material, steel-reinforced resin, is used to enhance stiffness of resin-injected bolted shear connections. The main goal is to achieve the slip resistance connection in a clearance holes without pre-tensioning of bolts. Steel...
conference paper 2019
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Nijgh, M.P. (author), Veljkovic, M. (author)
Steel-concrete composite beams are widely used in practice because of their economic cross-section design. As sustainability becomes more and more important in the construction industry, the design of composite beams must be adapted to meet the requirements of the circular economy. This calls for demountability and reusability of the structural...
journal article 2019
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Nijgh, M.P. (author), Veljkovic, M. (author)
Duurzaamheid wordt steeds belangrijker in de bouwsector. Demontabel en herbruikbaar bouwen vermindert het gebruik en verbruik van natuurlijke grondstoffen en minimaliseert afval en uitstoot van schadelijke stoffen. Binnen de sectie Steel and Composite Structures van de TU Delft is ontwikkeling van technische oplossingen voor duurzame staal-beton...
journal article 2019
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Gîrbacea, Andrei (author), Nijgh, M.P. (author), Veljkovic, M. (author)
Environmental concerns steerthe construction industry towards more sustainable developmentssuch asdemountable and reusablestructures. Composite structures are a frequent solution for multi-story buildings and bridges, however the use of welded shear connectors requires labour and energy intensive disassembly. Two bays of a demountable flooring...
conference paper 2019
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Nijgh, M.P. (author), Veljkovic, M. (author)
Composite floor systems are frequently used for high-rise buildings and multi-storey car park buildings, mainly because of the competitive combination of the steel beam and the concrete deck. Traditionally, composite beams are cast in-situ and shear interaction between the concrete and steel beam is provided by welded headed studs. The...
journal article 2019
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Gritsenko, Alina (author), Nijgh, M.P. (author), Veljkovic, M. (author)
Composite slab consisting of in‐situ casted reinforced concrete on profiled sheeting, which is connected to steel beams by shear connectors, is a common structural flooring system in office buildings and car parks. The headed welded studs are inexpensive and rather easy to use in‐situ because they can be welded to the steel beam through the...
conference paper 2019
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Nijgh, M.P. (author)
Steel-concrete composite beams are widely used in practice because of the simple construction sequence and the economic cross-section design. The application of welded headed studs in composite beams prevents the non-destructive separation of the composite beam, which leads to a very low scoring in the sustainability assessment in terms of the...
poster 2018
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Nijgh, M.P. (author), Xin, H. (author), Veljkovic, M. (author)
Injected bolted connections have been used in the Netherlands since the 1970s, initially to replace riveted connections of steel railway bridges. More recently, structural components with different geometrical tolerances have also been connected using injection bolts and oversize holes. The natural confinement of a bolted connection provides...
journal article 2018
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Kozma, Andras (author), Odenbreit, Christoph (author), Volker Braun, Matthias (author), Veljkovic, M. (author), Nijgh, M.P. (author)
The deconstruction of steel-concrete composite structures in buildings and the later separation of the materials is a labour- and cost intensive work. The shear studs are welded on the steel beam and imbedded in the concrete deck and a large amount of cutting work becomes necessary. As a result, recycling is difficult and the potential for...
conference paper 2018
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Nijgh, M.P. (author), Veljkovic, M. (author), Pavlovic, M. (author)
Composite beams are frequently used because of their competitive combination of a steel beam and a concrete deck. Further optimization of composite beams is possible through use of tapered steel beams. In terms of material reuse, composite structures generally underperform, because of the concrete casted in-situ. The most common shear connector...
conference paper 2018
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Nijgh, M.P. (author), Gîrbacea, Andrei (author), Veljkovic, M. (author)
One of the increasingly important parameters in the construction sector is the time required for the execution and easy demounting of a structure. The goal of this paper is to provide insight into an on-going research focusing on structural performance of large prefabricated concrete decks connected by a demountable shear connectors. A large...
conference paper 2018
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