1.json

{
    "materials": {
        "1": {
            "name": "C10",
            "type": "Concrete",
            "fck": 10000000.0,
            "young_modulus_tangent": 17708754.896942925,
            "young_modulus_secant": 15052441.662401486,
            "dilatation_coefficient": 1e-05,
            "yield_strain": 0.002,
            "rupture_strain": 0.0035
        },
        "2": {
            "name": "C20",
            "type": "Concrete",
            "fck": 20000000.0,
            "young_modulus_tangent": 25043961.347997647,
            "young_modulus_secant": 21287367.145797998,
            "dilatation_coefficient": 1e-05,
            "yield_strain": 0.002,
            "rupture_strain": 0.0035
        },
        "3": {
            "name": "C30",
            "type": "Concrete",
            "fck": 30000000.0,
            "young_modulus_tangent": 30672463.220289305,
            "young_modulus_secant": 26071593.73724591,
            "dilatation_coefficient": 1e-05,
            "yield_strain": 0.002,
            "rupture_strain": 0.0035
        },
        "4": {
            "name": "C40",
            "type": "Concrete",
            "fck": 40000000.0,
            "young_modulus_tangent": 35417509.79388585,
            "young_modulus_secant": 30104883.324802972,
            "dilatation_coefficient": 1e-05,
            "yield_strain": 0.002,
            "rupture_strain": 0.0035
        },
        "5": {
            "name": "C50",
            "type": "Concrete",
            "fck": 50000000.0,
            "young_modulus_tangent": 39597979.74644666,
            "young_modulus_secant": 33658282.78447966,
            "dilatation_coefficient": 1e-05,
            "yield_strain": 0.002,
            "rupture_strain": 0.0035
        }
    }
}