The paper introduced low-carbon economy and low-carbon technology, and proposed the de-tailed technical measures of low-carbon build-ing technology. Moreover, it has quantitatively calculated the “implicit” CO2 emission of C40 and C50 concrete columns, aluminium curtain wall, wall paintings and common floor decora-tion materials. The calculation results show that it is preferable to use high strength concrete, reduce the usage of aluminium materials and use wooden floor according to location. The paper can be a reference for quantitative meas-urement to the low-carbon technology and en-ergy efficiency.
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