Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; qa_layer_9_from_layer_php has a deprecated constructor in /home/abouaayt/public_html/aboutcivil/answers/qa-include/qa-base.php(720) : eval()'d code on line 3
of /home/abouaayt/public_html/aboutcivil/answers/qa-plugin/user-management/layer.php What is pozzolana reaction? - Civil Engineering Technical Questions Answers - Ask a Civil Engineer
  • Register

Welcome to Aboutcivil Q&A, where you can ask questions related to Civil Engineering and receive answers from other members of the community.

Related questions

Categories

2.5k questions

1.1k answers

44 comments

44.3k users

What is pozzolana reaction?

0 votes
What is pozzolanic reaction?
in Engg. Materials by  
edited by

2 Answers

0 votes
This is a simple acid-base reaction between calcium hydroxide and silicic acid.

Ca(OH)2 + H4SiO4 → Ca2+ + H2SiO42- + 2 H2O → CaH2SiO4 · 2 H2O.The product formed is calicum silica hydrate.(C-S-H).

Pozzolana  reaction mainly occurs in portland cement containing pozzolanas.
by  
0 votes
a volcano erupted in foreign country i don't exact name ,people used that vocanic  material it is like a  ash
in cement it enhances the strength of cement, it is like a admixture
by  

Related questions

0 votes
2 answers 677 views
677 views
Write the properties of pozzolanic materials?
asked Jul 2, 2015 in Engg. Materials by mfby2k  
  • properties

    • Warning: count(): Parameter must be an array or an object that implements Countable in /home/abouaayt/public_html/aboutcivil/answers/qa-include/qa-base.php(720) : eval()'d code on line 12
  • pozzolanic

    • Warning: count(): Parameter must be an array or an object that implements Countable in /home/abouaayt/public_html/aboutcivil/answers/qa-include/qa-base.php(720) : eval()'d code on line 12
  • materials

    • Warning: count(): Parameter must be an array or an object that implements Countable in /home/abouaayt/public_html/aboutcivil/answers/qa-include/qa-base.php(720) : eval()'d code on line 12
  • engineering
0 votes
0 answers 305 views
305 views
what is chemical reaction of the concrete
asked Aug 4, 2015 in Concrete Technology by mfby2k  

    Warning: count(): Parameter must be an array or an object that implements Countable in /home/abouaayt/public_html/aboutcivil/answers/qa-include/qa-base.php(720) : eval()'d code on line 12
  • concrete
0 votes
0 answers 250 views
250 views
relationship between pressure,reaction and gravity
asked Aug 3, 2015 in Engg. Materials by mfby2k  

    Warning: count(): Parameter must be an array or an object that implements Countable in /home/abouaayt/public_html/aboutcivil/answers/qa-include/qa-base.php(720) : eval()'d code on line 12
  • c
0 votes
0 answers 613 views
613 views
a cantiliver of length I carries a load W at the free end. if it is propped at a point at distance 1/4 from the free end so that is at the same level as the fixed end,find the reaction on the prop?
asked Jul 2, 2015 in Primavera by mfby2k  

    Warning: count(): Parameter must be an array or an object that implements Countable in /home/abouaayt/public_html/aboutcivil/answers/qa-include/qa-base.php(720) : eval()'d code on line 12
  • engineering

    • Warning: count(): Parameter must be an array or an object that implements Countable in /home/abouaayt/public_html/aboutcivil/answers/qa-include/qa-base.php(720) : eval()'d code on line 12
  • civil

    • Warning: count(): Parameter must be an array or an object that implements Countable in /home/abouaayt/public_html/aboutcivil/answers/qa-include/qa-base.php(720) : eval()'d code on line 12
  • structure

    • Warning: count(): Parameter must be an array or an object that implements Countable in /home/abouaayt/public_html/aboutcivil/answers/qa-include/qa-base.php(720) : eval()'d code on line 12
  • structural

    • Warning: count(): Parameter must be an array or an object that implements Countable in /home/abouaayt/public_html/aboutcivil/answers/qa-include/qa-base.php(720) : eval()'d code on line 12
  • steel
0 votes
1 answer 901 views
901 views
What preventive measures could be taken for Alkali- Aggregate Reaction in concrete?
asked Sep 17, 2015 in Concrete Technology by azam  

    Warning: count(): Parameter must be an array or an object that implements Countable in /home/abouaayt/public_html/aboutcivil/answers/qa-include/qa-base.php(720) : eval()'d code on line 12
  • alkali

    • Warning: count(): Parameter must be an array or an object that implements Countable in /home/abouaayt/public_html/aboutcivil/answers/qa-include/qa-base.php(720) : eval()'d code on line 12
  • aggregates

    • Warning: count(): Parameter must be an array or an object that implements Countable in /home/abouaayt/public_html/aboutcivil/answers/qa-include/qa-base.php(720) : eval()'d code on line 12
  • concrete
 | Snow Theme by Q2A Market
Powered by Question2Answer
...