A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Toshi infrastructure seibi no lifecycle bunseki. (Life cycle analysis of urban infrastructures)
Power supply services, city gas supply services, water supply and drainage services, roads, and buildings were treated as urban infrastructures so as to grasp the resources and CO2 emission consumed in their life cycle. Moreover, the consumption of resources for supporting one person and the emission of CO2 were analyzed to clarify an important point for resource saving and environmental load reduction. The resources used and CO2 emitted for each urban infrastructure were calculated with Kanto districts as a target. For the annual material weight a person, buildings are about 1,200 kg, roads are about 560 kg, and city gas is about 170 kg. Water supply and drainage is about 68 kg, and electric power is about 57 kg. For the annual CO2 emission a person, buildings are about 120 kg-C, roads are about 13 kg-C, and electric power is about 6.6 kg-C. City gas is about 5.3 kg-C, and water supply and drainage is about 4.4 kg-C. In the material weight for each resource, gravel, crushed stone, concrete, and asphalt concrete have a high consumption rate. In CO2 emission, iron, concrete, and gas oil form a high rate. 21 refs., 26 figs., 2 tabs.
Toshi infrastructure seibi no lifecycle bunseki. (Life cycle analysis of urban infrastructures)
Power supply services, city gas supply services, water supply and drainage services, roads, and buildings were treated as urban infrastructures so as to grasp the resources and CO2 emission consumed in their life cycle. Moreover, the consumption of resources for supporting one person and the emission of CO2 were analyzed to clarify an important point for resource saving and environmental load reduction. The resources used and CO2 emitted for each urban infrastructure were calculated with Kanto districts as a target. For the annual material weight a person, buildings are about 1,200 kg, roads are about 560 kg, and city gas is about 170 kg. Water supply and drainage is about 68 kg, and electric power is about 57 kg. For the annual CO2 emission a person, buildings are about 120 kg-C, roads are about 13 kg-C, and electric power is about 6.6 kg-C. City gas is about 5.3 kg-C, and water supply and drainage is about 4.4 kg-C. In the material weight for each resource, gravel, crushed stone, concrete, and asphalt concrete have a high consumption rate. In CO2 emission, iron, concrete, and gas oil form a high rate. 21 refs., 26 figs., 2 tabs.
Toshi infrastructure seibi no lifecycle bunseki. (Life cycle analysis of urban infrastructures)
N. Tagashira (author) / Y. Uchiyama (author)
1997
33 pages
Report
No indication
English
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