"""
Experimental data for:
"Strength reduction and strength-scaling relations of M40 concrete with
untreated bamboo chips as partial coarse-aggregate replacement"

Individual 28-day specimen results (MPa) for each bamboo content
(% of coarse aggregate replaced by volume).
"""

LEVELS = [0, 4, 8, 12, 16]

# Compressive strength, 102.5 x 200 mm cylinders (ASTM C39), n = 3 per mix
COMPRESSIVE = {
    0: [43.87, 44.48, 44.23],
    4: [35.20, 35.57, 36.61],
    8: [30.16, 28.72, 29.07],
    12: [22.22, 21.14, 21.86],
    16: [15.36, 15.00, 15.72],
}

# Splitting tensile strength, 102.5 x 200 mm cylinders (ASTM C496), n = 3 per mix
SPLITTING = {
    0: [3.10, 3.01, 3.10],
    4: [2.45, 2.36, 2.36],
    8: [2.27, 2.18, 2.08],
    12: [2.08, 2.08, 1.99],
    16: [1.90, 1.81, 1.71],
}

# Flexural strength (modulus of rupture), 150 x 150 x 750 mm prisms,
# third-point loading over a 450 mm span (ASTM C78), n = 2 per mix
FLEXURAL = {
    0: [4.602, 4.674],
    4: [3.930, 3.876],
    8: [3.474, 3.474],
    12: [3.078, 3.006],
    16: [2.478, 2.544],
}

# Published 28-day compressive strengths used for comparison (MPa):
# {label: (control strength, {replacement %: strength})}
LITERATURE = {
    "Park et al. (2019), soaked chips":     (30.77, {10: 23.73, 20: 19.04, 30: 17.75}),
    "Park et al. (2019), coated chips":     (30.77, {10: 15.01, 20: 14.15, 30: 8.99}),
    "Park et al. (2019), oven-dried chips": (30.77, {10: 13.55, 20: 5.76, 30: 3.13}),
    "Pujianto & Tajuddin (2012)":           (26.97, {20: 18.65, 40: 13.37}),
}