Construction method of three-dimensional random spherical aggregate model based on Python recycled concrete

The invention discloses a construction method of a Python-based recycled concrete three-dimensional random spherical aggregate model. The construction method comprises the following steps: 1) definingan array and number; inputting basic parameters; 2) setting a particle size distribution function and a random function; randomly generating a floating-point number from the particle sizes d1 to d2 to obtain a random number; 3) grading the particle size of the aggregate; calculating each grade of aggregate to obtain the particle size value of each grade of aggregate; 4) dividing the putting spaceinto small lattices, and putting the aggregate in the centers of the lattices; randomly generating a delivery position; when the aggregate putting position coincides with the put aggregate position,putting is conducted again, and an aggregate model meeting the requirement is obtained; 5) carrying out surface translation on the obtained spherical aggregate to obtain an external surface area, oldhardened mortar and an inter