Table 2 C40 concrete material parameters.

From: Study on the bearing capacity optimization and performance of photovoltaic support in desert sand and gravel area based on bionics

Density

(kg·m− 3)

Young modulus (GPa)

Poisson ratio

Standard value of the axial compressive strength(MPa)

Standard value of the axial tensile strength(MPa)

2356

32.5

0.2

26.8

2.39

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