Jing Yu

3 Questions 1 Answers 0 Followers

Questions related from Jing Yu

Does the water/cement ratio affect the pH value in cement paste/concrete?

Does the water/cement ratio affect the pH value in cement paste/concrete? Why? Any references? Thanks.

01 January 2020 5,827 9 View

Can we use the Bolomey equation with a very low water/binder ratio ?

Bolomey equation: fc=a*(C/W+b), where C and W are the content of cement and water respectively; a and b are parameters. Can we use the Bolomey equation with a very low water/binder ratio (say,...

07 July 2016 1,726 4 View

What is the early strength requirement for concrete in practical construction?

Generally, what is the early strength requirement (in MPa) for concrete in practical construction, so that the formwork can be removed? Is this mentioned in any US or British standards? Thanks.

04 April 2016 5,956 4 View