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document
Scholten, N. (author), de Vries, A. (author), Vrouwenvelder, A.C.W.M. (author)
Gelijkwaardigheid is al een onderwerp van het Bouwbesluit sinds de
article 2016
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Scholten, N. (author), de Vries, A. (author), Vrouwenvelder, A.C.W.M. (author), Lurvink, M. (author)
Voor het beoordelen van de constructieve veiligheid van bestaande bouwconstructies en renovaties moet in Nederland gebruik worden gemaakt van NEN 8700. In deze norm is het minimum veiligheidsniveau vastgelegd. Aan deze norm uit 2011, is al de nodige aandacht besteed, ook in Cement. In dit artikel wordt de totstandkoming en de inhoud van dit...
article 2016
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Maas, J. (author), Sterkenburg, R.P. (author), de Vries, S.I. (author), Pierik, F. (author)
There has been an increasing focus on examining the relationship between neigh-bourhood built environment and health and health behaviours. This is mainly due to the potential of environmental interventions for having a sustained impact on entire population groups rather than a short-term impact on individuals (Giles-Corti et al. 2005). Moreover...
bookPart 2013
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Bigaj-van Vliet, A.J. (author), Braam, R. (author), Gijsbers, F.B.J. (author), Grunewald, S. (author), Kaptijn, N. (author), Sliedrecht, H. (author), de Vries, H. (author), Pluis, M. (author)
report 2011
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Polder, R.B. (author), de Rooij, M.R. (author), de Vries, H. (author), Gulikers, J.J.W. (author), TNO Bouw (author)
conference paper 2003
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Polder, R.B. (author), de Rooij, M.R. (author), de Vries, H. (author), Gulikers, J.J.W. (author), TNO Bouw (author)
conference paper 2003
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de Vries, H. (author), Siemes, A.J.M. (author), TNO Bouw (author)
Design for durability is gradually changing from a deem-to-satisfy approach to a performance based approach. The conventional building codes give in principle only construction rules. If these rules are fulfilled, it is assumed that the structure will have an adequate durability. But specifications concerning dura-bility in codes are still on an...
conference paper 2002
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Siemes, A.J.M. (author), de Vries, J. (author), TNO Bouw (author)
article 2001
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de Vries, B. (author), Mallory, S.M. (author), de Groot, E.H. (author), Rutten, P.G.S. (author)
Op de Technische Universiteit Eindhoven wordt gewerkt aan een nieuwe generatie ontwerpomgeving gebaseerd op VR-technologie voor de visualisatie van het ontwerp en KBS-technologie voor het toegankelijk maken van ontwerp- en engineeringkennis. In twee promotieonderzoeken is een ontwerpondersteunend systeem ont-wikkeld voor een gedeelte van het...
article 2000
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de Groot, E.H. (author), Mallory, S.M. (author), van Zutphen, R.H.M. (author), de Vries, B. (author), TNO Bouw (author)
The design of buildings is a complex task for a variety of reasons. In the conceptual stage, particularly in the inception phase, a small number of people make decisions that have far reaching impact on the final result in terms of efficiency and effectiveness. Decision-making in the inception phase of design relies on available information...
conference paper 1999
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Polder, R.B. (author), de Vries, H. (author), TNO Bouw (author)
Penetration of de-icing salts into concrete bridge decks may cause corrosion of reinforcement. Hydrophobic treatment of concrete was studied as additional protection. It was shown that hydrophobic treatment strongly reduces chloride ingress, during semi-permanent contact and in wetting/drying situations. The protection remains effective for at...
conference paper 1999
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de Vries, P. (author), Gard, W.F. (author), TNO Bouw (author)
Roundwood as a construction material is becoming more and more interesting to users. Using this wood in construction will increase the value of the material and may open new opportunities for construction design. In order to use roundwood for this application, suitable connectors and/or joints have to be developed, but before all, the strength...
article 1998
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de Vries, J. (author), Polder, R.B. (author), Borsje, H. (author), TNO Bouw (author)
The subject of this study was the performance of hydrophobic treatment to protect concrete against chloride penetration from de-icing salts. Hydrophobic treatment makes a concrete surface absorb less water and less chloride. Several types of tests were carried out to study the performance of hydrophobised concrete. Salt ponding/drying tests...
conference paper 1998
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Siemes, T. (author), Polder, R. (author), de Vries, H. (author), TNO Bouw (author)
To design concrete structures for durability, all relevant performances that the structure has to fulfill and that can be influenced by degradations have to be defined. The probability that a given performance must be delivered within a design service life should also be considered. One of the consequences of the required reliability in the...
article 1998
document
de Vries, J. (author), Polder, R.B. (author), Borsje, H. (author), TNO Bouw (author)
The subject of this study was the performance of hydrophobic treatment to protect concrete against chloride penetration from de-icing salts. Hydrophobic treatment makes a concrete surface absorb less water and less chloride. Test methods and requirements for commercial products were established. In most cases, the water absorption was strongly...
conference paper 1998
document
de Vries, J. (author), Siemes, A.J.M. (author), TNO Bouw (author)
conference paper 1998
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Gard, W.F. (author), de Vries, P. (author), Lanvin, J.D. (author), TNO Bouw (author)
Roundwood as a construction material is becoming more and more interesting to users. The use of roundwood with small diameters is not optimised in terms of value. Using roundwood in construction increases the value of the wood and may open new opportunities for construction design. In order to use roundwood for this application, suitable...
conference paper 1998
document
Borsje, H. (author), Polder, R.B. (author), de Vries, J. (author), TNO Bouw (author)
article 1996
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de Vries, J. (author), Polder, R.B. (author)
As part of the maintenance policy of the Dutch Ministry of Transport, Civil Engineering Division, hydrophobic treatment of concrete was considered as an additional protective measure against penetration of aggressive substances, for instance deicing salts in bridge decks. A set of tests was designed to determine the performance of commercially...
article 1996
document
Gulikers, J.J.W. (author), de Vries, J. (author), Polder, R.B. (author)
Het chloridegehalte in een betonconstructie is een belangrijke graadmeter voor de kans op wapeningscorrosie. Twijfel over de betrouwbaarheid van chloridebepalingen door ver-schillende laboratoria, was voor Bouwdienst Rijkswaterstaat aanleiding een vergelijkend onderzoek te doen onder zeventien laboratoria. De uitslag was teleurstellend. Slechts...
article 1996
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