Study of Accumulation / Distribution Tendency to the Material Stock of Construction Sector in All Prefectures and Mega Cities in Japan

Abstract

Quantifying urban material stock and unveiling the input history of construction materials could provide a new basic dataset for urban area assessment. Construction materials of the buildings, roadways and sewer networks are estimated based on statistical data. In this paper, total mass of construction materials are estimated over time with country and prefecture scale. The results indicate that overall Prefectures of stock density is 116 (kg/m²), Mega cities stock density is 358(kg/m²). The proportion was seen by the stock per person and the gross GDP per person.