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- Pozzolanic_reaction abstract "The pozzolanic reaction is the chemical reaction that occurs in portland cement containing pozzolans. It is the main reaction involved in the Roman concrete invented in Ancient Rome and used to build, for example, the Pantheon.At the basis of the pozzolanic reaction stands a simple acid-base reaction between calcium hydroxide, also known as Portlandite, or (Ca(OH)2), and silicic acid (H4SiO4, or Si(OH)4). Simply, this reaction can be schematically represented as follows:Ca(OH)2 + H4SiO4 → Ca2+ + H2SiO42− + 2 H2O → CaH2SiO4 · 2 H2Oor summarized in abbreviated notation of cement chemists:CH + SH → C-S-HThe product of general formula (CaH2SiO4 · 2 H2O ) formed is a calcium silicate hydrate, also abbreviated as C-S-H in cement chemist notation, the hyphenation denotes the variable stoichiometry. The ratio Ca/Si, or C/S, and the number of water molecules can vary and the above-mentioned stoichiometry may differ.Many pozzolans may also contain aluminate, or Al(OH)4−, that will react with calcium hydroxide and water to form calcium aluminate hydrates such as C4AH13, C3AH6 or hydrogarnet, or in combination with silica C2ASH8 or strätlingite (cement chemist notation). In the presence of anionic groups such as sulphate, carbonate or chloride, AFm phases and AFt or ettringite phases can form.".
- Pozzolanic_reaction wikiPageExternalLink 3383178a708024fc4d80b7e98f28c61f.
- Pozzolanic_reaction wikiPageID "16877627".
- Pozzolanic_reaction wikiPageLength "4246".
- Pozzolanic_reaction wikiPageOutDegree "45".
- Pozzolanic_reaction wikiPageRevisionID "672145008".
- Pozzolanic_reaction wikiPageWikiLink AFm_phase.
- Pozzolanic_reaction wikiPageWikiLink Aerated_autoclaved_concrete.
- Pozzolanic_reaction wikiPageWikiLink Alkali-aggregate_reaction.
- Pozzolanic_reaction wikiPageWikiLink Alkali-carbonate_reaction.
- Pozzolanic_reaction wikiPageWikiLink Alkali_Silica_Reaction.
- Pozzolanic_reaction wikiPageWikiLink Alkali–aggregate_reaction.
- Pozzolanic_reaction wikiPageWikiLink Alkali–carbonate_reaction.
- Pozzolanic_reaction wikiPageWikiLink Alkali–silica_reaction.
- Pozzolanic_reaction wikiPageWikiLink Aluminate.
- Pozzolanic_reaction wikiPageWikiLink Ancient_Rome.
- Pozzolanic_reaction wikiPageWikiLink Autoclaved_aerated_concrete.
- Pozzolanic_reaction wikiPageWikiLink Calcium_hydroxide.
- Pozzolanic_reaction wikiPageWikiLink Calcium_silicate_hydrate.
- Pozzolanic_reaction wikiPageWikiLink Category:Cement.
- Pozzolanic_reaction wikiPageWikiLink Category:Chemical_reactions.
- Pozzolanic_reaction wikiPageWikiLink Category:Concrete.
- Pozzolanic_reaction wikiPageWikiLink Category:Masonry.
- Pozzolanic_reaction wikiPageWikiLink Cement.
- Pozzolanic_reaction wikiPageWikiLink Cement_chemist_notation.
- Pozzolanic_reaction wikiPageWikiLink Cenosphere.
- Pozzolanic_reaction wikiPageWikiLink Chemical_reaction.
- Pozzolanic_reaction wikiPageWikiLink Concrete.
- Pozzolanic_reaction wikiPageWikiLink Cosa.
- Pozzolanic_reaction wikiPageWikiLink Energetically_modified_cement.
- Pozzolanic_reaction wikiPageWikiLink Ettringite.
- Pozzolanic_reaction wikiPageWikiLink Fly_ash.
- Pozzolanic_reaction wikiPageWikiLink Hydrogarnet.
- Pozzolanic_reaction wikiPageWikiLink Hydrogrossular.
- Pozzolanic_reaction wikiPageWikiLink Metakaolin.
- Pozzolanic_reaction wikiPageWikiLink Pantheon,_Rome.
- Pozzolanic_reaction wikiPageWikiLink Portland_cement.
- Pozzolanic_reaction wikiPageWikiLink Portlandite.
- Pozzolanic_reaction wikiPageWikiLink Pozzolan.
- Pozzolanic_reaction wikiPageWikiLink Pozzolana.
- Pozzolanic_reaction wikiPageWikiLink Rice_hulls.
- Pozzolanic_reaction wikiPageWikiLink Roman_concrete.
- Pozzolanic_reaction wikiPageWikiLink Silica.
- Pozzolanic_reaction wikiPageWikiLink Silica_fume.
- Pozzolanic_reaction wikiPageWikiLink Silicic_acid.
- Pozzolanic_reaction wikiPageWikiLink Silicon_dioxide.
- Pozzolanic_reaction wikiPageWikiLink Sodium_silicate.
- Pozzolanic_reaction wikiPageWikiLink Stoichiometry.
- Pozzolanic_reaction wikiPageWikiLinkText "Pozzolanic reaction".
- Pozzolanic_reaction wikiPageWikiLinkText "pozzolanic materials".
- Pozzolanic_reaction wikiPageWikiLinkText "pozzolanic reaction".
- Pozzolanic_reaction wikiPageWikiLinkText "the ores it is made from".
- Pozzolanic_reaction hasPhotoCollection Pozzolanic_reaction.
- Pozzolanic_reaction wikiPageUsesTemplate Template:Cite_journal.
- Pozzolanic_reaction wikiPageUsesTemplate Template:Colbegin.
- Pozzolanic_reaction wikiPageUsesTemplate Template:Colend.
- Pozzolanic_reaction subject Category:Cement.
- Pozzolanic_reaction subject Category:Chemical_reactions.
- Pozzolanic_reaction subject Category:Concrete.
- Pozzolanic_reaction subject Category:Masonry.
- Pozzolanic_reaction hypernym Reaction.
- Pozzolanic_reaction type Disease.
- Pozzolanic_reaction type Element.
- Pozzolanic_reaction type Process.
- Pozzolanic_reaction type Reaction.
- Pozzolanic_reaction comment "The pozzolanic reaction is the chemical reaction that occurs in portland cement containing pozzolans. It is the main reaction involved in the Roman concrete invented in Ancient Rome and used to build, for example, the Pantheon.At the basis of the pozzolanic reaction stands a simple acid-base reaction between calcium hydroxide, also known as Portlandite, or (Ca(OH)2), and silicic acid (H4SiO4, or Si(OH)4).".
- Pozzolanic_reaction label "Pozzolanic reaction".
- Pozzolanic_reaction sameAs Поцоланена_реакция.
- Pozzolanic_reaction sameAs Puzzolanische_Reaktion.
- Pozzolanic_reaction sameAs واکنش_پوزولانی.
- Pozzolanic_reaction sameAs Comportamento_pozzolanico.
- Pozzolanic_reaction sameAs m.0409862.
- Pozzolanic_reaction sameAs Q6000723.
- Pozzolanic_reaction sameAs Q6000723.
- Pozzolanic_reaction wasDerivedFrom Pozzolanic_reaction?oldid=672145008.
- Pozzolanic_reaction isPrimaryTopicOf Pozzolanic_reaction.