Searched for: author%3A%22Polder%2C+R.B.%22
(81 - 100 of 190)

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Visser, J.H.M. (author), Polder, R.B. (author), Peelen, W.H.A. (author), TNO Bouw en Ondergrond (author)
A dummy segment from a bored tunnel with cast-in MREs was used to investigate if the moisture content of the concrete lining could be determined. The results were compared with two other in-situ resistivity measurements and correlated to the moisture content measured on cores drilled from the dummy and stored at various relative humidities. In...
conference paper 2009
document
Polder, R.B. (author), TNO Bouw en Ondergrond (author)
article 2009
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Koster, T. (author), Peelen, W.H.A. (author), Larbi, J.A. (author), de Rooij, M.R. (author), Polder, R.B. (author), TNO Bouw en Ondergrond (author)
article 2009
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Polder, R.B. (author), TNO Bouw en Ondergrond (author)
The critical chloride content for initiation of reinforcement corrosion is an essential element in service life design and modelling of concrete structures.The critical content is laden with questions regarding its definition, experimental assessment and practical aspects. It should be addressed by a statistical approach. The paper discusses...
article 2009
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Polder, R.B. (author), Peelen, W.H.A. (author), TNO Bouw en Ondergrond (author)
article 2009
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Leegwater, G. (author), Polder, R.B. (author), TNO Bouw en Ondergrond (author)
article 2009
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Koster, T. (author), Peelen, W.H.A. (author), Larbi, J.A. (author), de Rooij, M.R. (author), Polder, R.B. (author), TNO Bouw en Ondergrond (author)
conference paper 2008
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Krom, A.H.M. (author), Polder, R.B. (author), TNO Bouw en Ondergrond (author)
conference paper 2008
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Polder, R.B. (author), TNO Bouw en Ondergrond (author)
conference paper 2008
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Larbi, J.A. (author), Siemes, A.J.M. (author), Polder, R.B. (author), TNO Bouw en Ondergrond (author)
bookPart 2008
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Polder, R.B. (author), Peelen, W.H.A. (author), Lollini, F. (author), TNO Bouw en Ondergrond (author)
conference paper 2008
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Polder, R.B. (author), Peelen, W.H.A. (author), Leegwater, G. (author), TNO Bouw en Ondergrond (author)
Since about 1980 Corrosion Monitoring Systems have been used in many concrete structures in aggressive environmentworldwide. While these systemswork properly in aboveground environment, some questions have arisen for submerged conditions, e.g. the outer sides of tunnels, piers in seawater or foundations in wet soil. One question concerns macro...
bookPart 2008
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Polder, R.B. (author), TNO Bouw en Ondergrond (author)
bookPart 2008
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van Breugel, K. (author), Polder, R.B. (author), TNO Bouw en Ondergrond (author)
conference paper 2008
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Polder, R.B. (author), Leegwater, G. (author), TNO Bouw en Ondergrond (author)
conference paper 2008
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Peelen, W.H.A. (author), Polder, R.B. (author), Redaelli, E. (author), Bertolini, L. (author), TNO Bouw en Ondergrond (author)
article 2008
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Polder, R.B. (author), van Breugel, K. (author), TNO Bouw en Ondergrond (author)
conference paper 2008
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Vervuurt, A.H.J.M. (author), Leegwater, G. (author), Polder, R.B. (author), TNO Bouw en Ondergrond (author)
In the European project TUNCONSTRUCT a life cycle cost method for management and maintenance of underground structures is developed. Within the project TNO is concerned with the durability of the concrete lining. In this paper the concept is explained by means of a case of a bored road tunnel (in soft soil) with exposure to de-icing salts ...
conference paper 2008
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Bertolini, L. (author), Lollini, F. (author), Redaelli, E. (author), Polder, R.B. (author), Peelen, W.H.A. (author), TNO Bouw en Ondergrond (author)
A significant number of reinforced concrete structures shows deterioration due to the reinforcement corrosion and requires interventions to guarantee their residual service life. A wide range of maintenance options is available, among which cathodic protection (CP) has been found to be a successful and reliable method even in heavily chloride...
conference paper 2008
document
Polder, R.B. (author), Peelen, W.H.A. (author), TNO Bouw en Ondergrond (author)
Concrete structures under aggressive load may suffer chloride induced reinforcement corrosion, in particular with increasing age. Due to high monetary and societal cost (non-availability), replacement is often undesirable. Durable repair is necessary, e.g. by Cathodic Protection (CP). CP involves an electrical current through the concrete to the...
bookPart 2008
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