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Schut, P. (author), van Straalen, IJ.J. (author)
Fire safety is becoming an important theme for more and more healthcare organizations in the Netherlands. The compliance with the fire safety requirements of the Dutch Building Decree is not always conclusive and discussions with the local authorities on the interpretation and elaboration of the legislation for fire safety are emerging....
conference paper 2020
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Meacham, B.J. (author), van Straalen, IJ.J. (author)
It has been suggested that future generations of building regulations can become more risk-informed and performance based, and that development of the regulations and the risk bases that underpin them should occur within a socio-technical systems framework. To facilitate this, it is important for regulators and the market to understand and agree...
conference paper 2018
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van Straalen, IJ.J. (author), Meacham, B.J. (author)
The demand of a risk-informed performance-based approach for fire safety is growing in the Netherlands. Various major incidents have initiated the need for an upgrade of fire safety regulations. All major stakeholders involved have noted that the existing regulations are limited and that a risk-based approach should be developed. The discussions...
conference paper 2018
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TNO Bouw en Ondergrond (author), Meacham, B. (author), Park, H. (author), Engelhardt, M. (author), Kirk, A. (author), Kodur, V. (author), van Straalen, IJ.J. (author), Maljaars, J. (author), van Weeren, K. (author), de Feijter, R. (author), Both, K. (author)
On the morning of May 13, 2008, a fire that started in a coffee vending machine on the 6th floor of the 13-story Faculty of Architecture Building at the Delft University of Technology (TUD), Delft, the Netherlands, quickly developed into an extreme loading event. Although all building occupants evacuated safely, the rapid fire spread severely...
conference paper 2010
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van Straalen, IJ.J. (author), TNO Bouw (author)
For toughened and flexible adhesives it is found that a simple prediction model for overlap joints can be used to calculate the ultimate strength for the static load case. The absolute maximum strength for a lap joint is when the whole of the adhesive layer is at the shear yield strength. An additional requirement regards yielding of the...
conference paper 2004
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Soetens, F. (author), van Straalen, IJ.J. (author), TNO Bouw (author)
Applications of aluminium have grown considerably in building and civil engineering the last decade, which is due to various aspects: light weight, durability and maintenance, use of extrusions. The paper starts with a short history of aluminium bridges and then focuses on aluminium bridges in the Netherlands. The design of 58 bridges for an...
conference paper 2004
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Maljaars, J. (author), Soetens, F. (author), van Straalen, IJ.J. (author), TNO Bouw (author)
Traffic bridges are subjected to variable loads and should therefore be checked on fatigue. Especially low weight materials, like aluminium, are sensitive to fatigue, because the variable load is a substantial part of the total load. This paper shows the structural design of an aluminium bridge loaded by heavy traffic. The S-N curves of a welded...
conference paper 2004
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Soetens, F. (author), van Straalen, IJ.J. (author), TNO Bouw (author)
Applications of aluminium have grown considerably in building and civil engineering the last decade. In building and civil engineering the increase of aluminium applications is due to various aspects like light weight, durability and maintenance, use of extrusions, and esthetics. The paper starts with a short history of aluminium bridges and...
conference paper 2003
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van Straalen, IJ.J. (author), TNO Bouw (author)
conference paper 2002
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Botter, H. (author), van den Berg, A. (author), Soetens, F. (author), van Straalen, IJ.J. (author), Vogelesang, L.B. (author), TNO Bouw (author)
Using two types of adhesively bonded aluminium joints, a TAST specimen and a specifically designed stiff double lap joint, experiments show that the (apparent) yield stress, the amount of plastic flow and the occurence of strain hardening is influenced by the surface pre-treatment used for an Al-Mg-Si aluminium alloy adherend. Grit blasted...
conference paper 2001
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Botter, H. (author), Kool, H.D.M. (author), van Straalen, IJ.J. (author), Soetens, F. (author), TNO Bouw (author)
conference paper 2001
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Botter, H. (author), Wijen, H.L.M. (author), van den Berg, A. (author), Soetens, F. (author), van Straalen, IJ.J. (author), Vlot, A. (author), TNO Bouw (author)
Recent developments in hardware and software have allowed traditional speckle pattern. interferom.etry using photographic film to be replaced by digital video CCD cameras and sophisticated analysing software. Real-time in-situ displacement measurement of specimens under static or cyclic loads is now possible. In this paper the use of an...
conference paper 2001
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van Straalen, IJ.J. (author)
During tthe 1990's the higher-order theory was developed by Frostig to enable detailed stress analyses of sandwich panel structures. To investigate the potentials of this approach experiments are performed on sandwich panels made of thin steel faces and mineral wool or polystyrene core material. A proposal for a useful prediction model based on...
conference paper 2000
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Davies, P. (author), Bigourdan, B. (author), Chaudot, P. (author), Choqueuse, D. (author), Ferreira, A. (author), Karjalainen, J.P. (author), Hildebrand, M. (author), Mustakangas, M. (author), Gaarder, R. (author), Carli, F. (author), van Straalen, IJ.J. (author), Sargent, J.P. (author), Adams, R.D. (author), Broughton, J. (author), Beevers, A. (author)
This paper presents results from analytical and finite elenent modelling of the response of a wide foam core sandwich beam to uniform pressure loading. New tests have been performed using an image analysis system which allows core shear strain mapping. Predicted panel displacenpnts and strains are compared with npasured values for load levels...
conference paper 2000
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van Straalen, IJ.J. (author)
The design of structures is concemed with the generation of solutions and the verification of the reliability. potential design solutions are a result of a process of problem formulation, definition of objeciive functions, conceptual design and optimization. To control this process, many strategies have been developed over the years. An example...
conference paper 2000
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van Straalen, IJ.J. (author)
This paper deals with the development of design rules for structural adhesive bonded joints. In daily practice engineers are confronted with the problem to verify the safety of their designs. Setting up an experimental programme can do this. For the marine, transport, building and civil engineering sectors this will not be an option, because it...
conference paper 2000
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van Straalen, IJ.J. (author), TNO Bouw (author)
This paper deals with, adhesive bonded joints in thin-gauge sfee/ sheeting
conference paper 1998
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Mennink, J. (author), Soetens, F. (author), Snijder, H.H. (author), van Hove, B.W.E.M. (author), van Straalen, IJ.J. (author), TNO Bouw (author)
This paper deals with the design process of aluminium cross-sections with complex shapes in
conference paper 1998
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van Straalen, IJ.J. (author), Wardenier, J. (author), Vogelesang, L.B. (author), Soetens, F. (author), TNO Bouw (author)
This paper deals with adhesive bonded joints used in aluminium structures. There arc strong
conference paper 1998
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van Straalen, IJ.J. (author), Wardenier, J. (author), Vogelesang, L.B. (author), Soetens, F. (author), TNO Bouw (author)
This paper deals with the methodology of the process of drafting design rules for adhesivelybonded
conference paper 1998
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