EVERYTHING ELSE about mortars, cement and concrete is here:

Almost everything that needs to be said about concrete, cement, hand-mixing, uses and prices has been said on this forum. Please check out the contributions before posting new questions.

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EVERYTHING ELSE about mortars, cement and concrete is here:

Postby jazzman » Sun Mar 04, 2007 10:48 am

If you are still not convinced, by all the tips and information provided by various members of this forum, this is the absolute bible, written and illustrated by professionals in a way that EVERYONE, including Jazzman, can understand (it even includes calculators):

http://www.pavingexpert.com/concmix1.html

No one can argue with it, not even here :D
jazzman
 
Posts: 2161
Joined: Wed Dec 06, 2006 9:11 pm
Location: Thailand

Postby Pluma » Sun Mar 04, 2007 12:54 pm

Thanks Jazzman, very useful link.

Confirms that I have been mixing my cement correctly, even though
I sometime get strange looks from Filipinos that want to stretch the
mix to the very limits to save a few pesos.

Cement work can be very easy if one just follows the "rules".

We have a partially finished house across the street from us, and it is
literally falling down due to very poor constuction practices, and trying
to stretch out the concrete mix to the max.
Pluma
 
Posts: 26
Joined: Fri Sep 08, 2006 9:34 am
Location: Philippines / USA

Postby jazzman » Sun Mar 04, 2007 1:12 pm

Hi PLuma,

Cutting corners on the cement powder is one thing - and dangerous - but what I don't understand is why the Thais always make such a wet mix. They haven't grasped the fact that only just enough water is required to catalise the curing, and such a mix can in fact feel quite dry to the touch.

I had one batch of CPAC delivered once where I had to get the workers rushing round shoveling more sand and aggregate into the formwork.
How to build a $20,000 / £14,000 house and a $???? MOTEL Updated 21 March 09 - with BOQ and costs
Don't let this happen in YOUR house.
jazzman
 
Posts: 2161
Joined: Wed Dec 06, 2006 9:11 pm
Location: Thailand

Postby jazzman » Tue Mar 20, 2007 4:56 pm

For more information about cement and concrete:
[
http://www.coolthaihouse.com/infobasicmaterials.htm

and

For tips about laying concrete floors, this article and excellent illustrations will answer most questions :


http://www.coolthaihouse.com/infoconcretepour.htm
jazzman
 
Posts: 2161
Joined: Wed Dec 06, 2006 9:11 pm
Location: Thailand


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