Device and method for building life cycle sustainability assessment using probabilistic analysis method, and recording medium storing the method

A building life cycle sustainability assessment device using a probabilistic analysis method, the device comprising:

• a first non-transitory computer readable medium storing a reference environmental impact assessment value of a reference building, a first environmental impact coefficient group obtained by digitizing an environmental impact degree per input unit of a plurality of building materials, and a second environmental impact coefficient group obtained by digitizing an environmental impact degree per consumption unit of a plurality of energy sources;
• an input unit for receiving area information of a building, an amount of input of the plurality of building materials, and an amount of consumption of the plurality of energy sources;
• a probability distribution calculating unit configured to store a set value of a form of a probability distribution of the building material and the energy source according to the area information of the building, and for the amount of input of the plurality of building materials and the amount of consumption of the plurality of energy sources, deduce a probability distribution of the amount of input of the plurality of building materials and a probability distribution of the amount of consumption of the plurality of energy sources according to the set value;
• a first arithmetic unit configured to calculate, through Monte Carlo simulation, a probability distribution of a first environmental impact assessment value by the building material by using the probability distribution of the amount of input of the plurality of building materials and the first environmental impact coefficient group, calculate a probability distribution of a second environmental impact assessment value by the energy source by using the probability distribution of the amount of consumption of the plurality of energy sources and the second environmental impact coefficient group, and calculate a probability distribution of a life cycle environmental impact assessment value by adding the probability distribution of the first environmental impact assessment value and the probability distribution of the second environmental impact assessment value;
• and
• a first output unit configured to deduce a probability distribution of an environmental impact index by dividing the reference environmental impact assessment value stored in the first non-transitory computer readable medium by the probability distribution of the life cycle environmental impact assessment value which is calculated in the first arithmetic unit, and output the deduced probability distribution of the environmental impact index,
• wherein the probability distribution of the environmental impact index is used to reduce risk during decision making at an initial stage of a building project.