Structural Lightweight Concrete Production by Using Oil Palm Shell

Table 2

Modulus of elasticity of 0%, 10%, 15%, and 25% OPS replacement concrete.

Modulus of elasticity (N/mm^2)
Mix proportions	0% replacement	10% replacement	15% replacement	20% replacement
1 : 1.65 : 2.45	28350	20338	16350	12343
1 : 2.5 : 3.3	23850	18478	15800	11982
1 : 3.3 : 4.2	22100	17122	14620	11238