Chemical processes

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F17%3A00320483" target="_blank" >RIV/68407700:21110/17:00320483 - isvavai.cz</a>
Result on the web
<a href="http://www.springer.com/gp/book/9789402410129" target="_blank" >http://www.springer.com/gp/book/9789402410129</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/978-94-024-1013-6_4" target="_blank" >10.1007/978-94-024-1013-6_4</a>

Result language
angličtina
Original language name
Chemical processes
Original language description
In this chapter, the influence of various chemical processes on the performance of strain-hardening cement-based materials (SHCC) is discussed. SHCC was found to increase in strength when subjected to long-term elevated temperature and humidity, but to experience a decrease in strain capacity under the same conditions. Also, chlorides tend to decrease the ductility of SHCC when the material is exposed to a chlorine environment for a long time. SHCC, especially when high amounts of fly ash are used in the mix, generally do not experience problems related to alkali–silica reaction (ASR). However, in cases when reactive aggregates are used and the alkalinity in the pore water is high, ASR can occur. The fibres have been found to suppress ASR expansion and, because of the local restraining in the material, the ASR reaction can even be slowed down. The last part of the chapter deals with the self-healing properties of SHCC. Because SHCC is characterised by small cracks it has an intrinsic self-healing capacity. Parts of these cracks close by themselves when the material is stored in a humid environment or under water. Several methods of improving the self-healing capacity of SHCC by adding different types of self-healing agents to the mix are also reported.
Czech name
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Czech description
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Project
<a href="/en/project/GA13-15175S" target="_blank" >GA13-15175S: Functionally graded fiber reinforced cementitious composite members</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Book/collection name
A Framework for Durability Design with Strain-Hardening Cement-Based Composites
ISBN
978-94-024-1012-9
Number of pages of the result
22
Pages from-to
79-100
Number of pages of the book
200
Publisher name
Springer Science+Business Media B.V.
Place of publication
Dordrecht
UT code for WoS chapter
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