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 why we add the gypsum into the cement? - 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

why we add the gypsum into the cement?

0 votes
why we add the gypsum into the cement?
in Building Construction by  

1 Answer

0 votes
Gypsum is often added to cement and concrete to slow down the drying time. Cement dries quickly and retarding that process allows workers to pour the mixture into the various forms or frames needed....gypsum is added as a compound preventing cement flash setting....
by  
edited by

Related questions

0 votes
2 answers 442 views
442 views
Why we use the cement in construction?
asked Jul 2, 2015 in Engg. Materials by mfby2k  
  • cement

    • 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
  • construction

    • 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
  • materials
0 votes
2 answers 571 views
571 views
What's use of gypsum in cement?
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
  • cement
0 votes
1 answer 633 views
633 views
how can we calculate the strenth of 1:4 cement sand mortar after time period of 3 months?
asked Sep 17, 2015 in Engg. Materials by fawad  

    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
  • strength

    • 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
  • cement

    • 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
  • sand

    • 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
  • lab-tests
0 votes
0 answers 642 views
642 views
how do we know, which grade of cement is used in concrete member after casting the same?
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
  • cement

    • 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
1 answer 625 views
625 views
why the water cement ratio is increases with increasing in maximum size of the aggregate
asked Aug 17, 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
  • 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
  • water

    • 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
  • cement

    • 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
  • ratio
 | Snow Theme by Q2A Market
Powered by Question2Answer
...