Concrete: Difference between revisions
Jump to navigation
Jump to search
(→Basics) |
(→Basics) |
||
Line 19: | Line 19: | ||
=Basics= | =Basics= | ||
*The Combination of [[Aggregate]] and [[Cement]] | *The Combination of [[Aggregate]] and [[Cement]] | ||
*It takes 5 94 lb bags of cement to make a yard of concrete [https://www.google.com/search?q=how+many+bags+of+portland+cement+in+a+yard+of+concrete&client=ms-android-verizon&sxsrf=APq-WBudY1NIBQftWADx2LM1zs3-D1ZQNg%3A1646527826329&ei=UgUkYtyiE92mqtsPrcyyyAk&oq=how+many+bags+of+cement+to+make+a+yard+of+concrete&gs_lcp=ChNtb2JpbGUtZ3dzLXdpei1zZXJwEAEYAjIHCAAQRxCwAzIHCAAQRxCwAzIHCAAQRxCwAzIHCAAQRxCwAzIHCAAQRxCwAzIHCAAQRxCwAzIHCAAQRxCwAzIHCAAQRxCwA0oECEEYAFAAWABgliJoAXABeACAAQCIAQCSAQCYAQDIAQjAAQE&sclient=mobile-gws-wiz-serp] | *It takes 5 94 lb bags of cement to make a yard of concrete [https://www.google.com/search?q=how+many+bags+of+portland+cement+in+a+yard+of+concrete&client=ms-android-verizon&sxsrf=APq-WBudY1NIBQftWADx2LM1zs3-D1ZQNg%3A1646527826329&ei=UgUkYtyiE92mqtsPrcyyyAk&oq=how+many+bags+of+cement+to+make+a+yard+of+concrete&gs_lcp=ChNtb2JpbGUtZ3dzLXdpei1zZXJwEAEYAjIHCAAQRxCwAzIHCAAQRxCwAzIHCAAQRxCwAzIHCAAQRxCwAzIHCAAQRxCwAzIHCAAQRxCwAzIHCAAQRxCwAzIHCAAQRxCwA0oECEEYAFAAWABgliJoAXABeACAAQCIAQCSAQCYAQDIAQjAAQE&sclient=mobile-gws-wiz-serp]. In other words, a 50kW [[Solar Concrete]] plant will make a yard of concrete daily. | ||
=Internal Links= | =Internal Links= |
Revision as of 00:55, 6 March 2022
Formula
- To make 1 yard - To make 1 cubic yard of concrete, you'd need seven 94-pound bags of cement, about 1/2 cubic yard of sand and just over 3/4 cubic yard of gravel. The amount of water you use depends on how wet the sand is.Oct 1, 2009 [1]
- 10% cement, 75% aggregate, 15% water [2]
- 150 kg/m3 of cement - with concrete at 4000 lb/cu yd [3] - was sufficient to get about 6000 psi concrete strength [4]. Does this mean abouut 8% of cement?
- 500 lb per yard of cement in concrete is recommended - read a thesis on it - [5]
- Lean or rich: 7-15% cement by volume -
- Lean concrete per california codes is 300 lb cement per yard of concrete, and is 700 PSI at 7 days. [6]
- Lean is used below foundations - and is 700 psi or 1100 psi [7]
Slab Requirements
Concrete Slump Testu
Measures inches of collapse, from 0-12", of a wad of concrete in a cone. 12" means it's complete water. 4" is very stiff.
Basics
- The Combination of Aggregate and Cement
- It takes 5 94 lb bags of cement to make a yard of concrete [10]. In other words, a 50kW Solar Concrete plant will make a yard of concrete daily.