Zhigen Wu

3 Questions 10 Answers 0 Followers

Questions related from Zhigen Wu

Which software/program is available for modelling cement shrinkage and creep-induced stress?

During the cement hydration, shrinkage may cause cracking if cement is externally restrained although stress relaxation compromise this shrinkage stress. I'm wondering if software or program can...

14 March 2016 5,028 7 View

What's the typical heat transfer coefficient of concrete (to air)?

It seems that a big range of values to me, and makes me confused. Can anyone clarify it? If you can provide a variety of heat transfer coefficient at different scenarios (different w/c, wind...

04 January 2015 4,511 3 View

Does limestone chemically react with cement under room temperature when they are mixed to produce concrete?

I'm quite interested at this question, since there wouldn't be any chemical reaction between limestone surface and cement based on my limited stone knowledge.However, one paper:Cement and Concrete...

06 February 2012 2,398 15 View