Summary Date: Lightweight High Strength Concrete [7]

  D-1 D-2 D-8 D-10 D-11

Mix

Cement (pcy)  742  711  795  797 862 
Silica Fume (pcy)    213  239  239  157
1/2" LW Coarse Aggregate (pcy)  950  890  900  830  760
Natural Aggregate (pcy)        410  
Slump (inches)  6  6 3/4  6  6  4
Total Air Content (%)  5.4  9.1  7  6.1  3.3
Unit Weight, Plastic (pcf)  114.4  110  113.6  122.4  126.8
Unit Weight, 28-day air dri (pcf)  105.3  107.3  111.7  119.2  122

Strength

Compressive (psi) 6,920   8,360   8,170    10,980     11,850 
Compressive (Mpa)  47.7  57.6  56.3  75.7  81.7
Age (days)  49  49  35  35  35
 
Splitting Tensile (psi) not tested  not tested  520 505 615
Splitting Tensile (Mpa)     3.6  3.5 4.2
Age (days)      35  35 35
 
Elastic Modulus (million psi)  not tested not tested   3.27  3.95 4.56 
Elastic Modulus (GPa)      22.6  27.2  31.4
Age (days)      35  35  35
 
Specific Creep (millionths/psi)         0.25 
Specific Creep (millionths/Mpa)          36.25
Age (days)          365

 

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