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["Important Specifications of Aggregate for Concrete (as per IS: 383-2016)"]
["                    Aggregate\n\n Quality Parametr",null,null,"Coarse Aggregate",{"$nulls":4},"Fine Aggregate"]
[null,null,null,"For Grades Higher than M65","For Grades Lower than M65"]
[{"$nulls":4},"For Surface Courses","Other than surface courses"]
["A",null,"Flakiness Index","≤ 40%"]
["B",null,"Elongation Index"]
["OR","C","Aggregate Crushing Value","≤ 22%","≤ 30%","≤ 30%","OR",">  30%"]
[null,null,"TPF",{"$nulls":4},"> 50 kN"]
[null,"D","Aggregate Impact Value","≤ 22%","≤ 30%","≤ 45%"]
["E",null,"Los Angel's Abrasion Value","≤ 30%",null,"≤ 50%"]
["F",null,"Soundness"]
[null,null,"Sodium Sulphate Method","≤ 12%",{"$nulls":4},"≤ 10%"]
[null,null,"Magnesium Sulphate Method","≤ 18%",{"$nulls":4},"≤ 15%"]