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In recent decades, numerous concrete structures have shown severe durability problems. Degradation mechanisms such as alkali silica reaction, chloride penetration, carbonation, acid attack, biogenic sulfuric acid attack, etc. have necessitated the complete renewal of some structures. Apart from the inconvenience and even occasional loss of life caused by the failure of structures, these degradation problems have cause huge financial losses. These include not only the cost of repair and restoration of structures, but also the economic losses caused for example by traffic problems during the temporary closure of bridges, roads and tunnels. It is therefore important to tackle these problems by formulating the most appropriate concrete compositions and by taking protective measures. On the other hand new concrete types have been developed in recent years, such as high and ultra high strength concrete, polymer cement concrete, self compacting concrete, high volume fly ash concrete, etc. Durability specifications are not Always available for such materials. Furthermore, concrete performance may be highly dependent on the exact mix composition and the compatibility between cement and constituents such as admixtures. Therefore, the need for suitable test methods and performance-based indications increases. The main aim of PART III is critically review existing test methods to assess performance of cementitious materials in aggressive aqueous environments, as well as test methods which can be used to characterise and rate relative performance, with a view to informing long term predictions.
Keywords
Concrete, performance, durability, test methods, classification, simulation

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Please use this url to cite or link to this publication:

Chicago
De Belie, Nele. 2013. “General Considerations.” In Performance of Cement-based Materials in Aggressive Aqueous Environments, ed. Mark Alexander, Alexandra Bertron, and Nele De Belie, 221–234. Springer.
APA
De Belie, Nele. (2013). General considerations. In Mark Alexander, A. Bertron, & N. De Belie (Eds.), Performance of cement-based materials in aggressive aqueous environments (pp. 221–234). Springer.
Vancouver
1.
De Belie N. General considerations. In: Alexander M, Bertron A, De Belie N, editors. Performance of cement-based materials in aggressive aqueous environments. Springer; 2013. p. 221–34.
MLA
De Belie, Nele. “General Considerations.” Performance of Cement-based Materials in Aggressive Aqueous Environments. Ed. Mark Alexander, Alexandra Bertron, & Nele De Belie. Springer, 2013. 221–234. Print.
@incollection{8530271,
  abstract     = {In recent decades, numerous concrete structures have shown severe durability problems. Degradation mechanisms such as alkali silica reaction, chloride penetration, carbonation, acid attack, biogenic sulfuric acid attack, etc. have necessitated the complete renewal of some structures. Apart from the inconvenience and even occasional loss of life caused by the failure of structures, these degradation problems have cause huge financial losses. These include not only the cost of repair and restoration of structures, but also the economic losses caused for example by traffic problems during the temporary closure of bridges, roads and tunnels. It is therefore important to tackle these problems by formulating the most appropriate concrete compositions and by taking protective measures.
On the other hand new concrete types have been developed in recent years, such as high and ultra high strength concrete, polymer cement concrete, self compacting concrete, high volume fly ash concrete, etc. Durability specifications are not Always available for such materials. Furthermore, concrete performance may be highly dependent on the exact mix composition and the compatibility between cement and constituents such as admixtures. Therefore, the need for suitable test methods and performance-based indications increases.
The main aim of PART III is critically review existing test methods to assess performance of cementitious materials in aggressive aqueous environments, as well as test methods which can be used to characterise and rate relative performance, with a view to informing long term predictions.},
  author       = {De Belie, Nele},
  booktitle    = {Performance of cement-based materials in aggressive aqueous environments},
  editor       = {Alexander, Mark and Bertron, Alexandra and De Belie, Nele},
  isbn         = {978-94-007-5412-6},
  keyword      = {Concrete,performance,durability,test methods,classification,simulation},
  language     = {eng},
  pages        = {221--234},
  publisher    = {Springer},
  series       = {State-of-the-Art Report RILEM TC211-PAE},
  title        = {General considerations},
  url          = {http://dx.doi.org/10.1007/978-94-007-5413-3},
  year         = {2013},
}

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