Characteristics of selected projects and the results

The estimation IWR-1-endo CO2 emission of tunnels.TunnelsLength(m)CO2 emission of onsite construction (kg)ProportionCO2 emission of steel production (kg)ProportionCO2 emission of cement production (kg)ProportionTotal CO2 emission (kg)Separated tunnel 14091,749,31314.3%4,024,79333.0%6,417,94852.6%12,192,054Separated tunnel 24922,371,61913.6%6,442,51536.9%8,630,26249.5%17,444,397Separated tunnel 3395019,231,06315.2%32,755,20825.9%74,289,13858.8%126,275,409Separated tunnel 49504,506,90414.2%9,180,98928.9%18,067,34456.9%31,755,238Separated tunnel 5321.51,610,97013.5%4,046,86533.9%6,289,12852.6%11,946,963Separated tunnel 61112.55,457,60813.9%12,976,67933.1%20,763,75053.0%39,198,037Separated tunnel 7276014,276,80714.2%37,283,00837.1%48,801,08448.6%100,360,899Double prophase arch tunnel 13452,065,03211.8%8,014,06945.8%7,424,77842.4%17,503,880Double arch tunnel 23201,707,68511.1%6,355,98241.5%7,257,31247.4%15,320,979Double arch tunnel 32391,373,32811.0%5,480,75343.8%5,657,23245.2%12,511,313Double arch tunnel 43872,297,69211.6%8,531,68243.1%8,948,24445.2%19,777,619Double arch tunnel 53962,319,76411.4%8,789,93343.1%9,276,39645.5%20,386,094Double arch tunnel 64342,534,59210.9%10,471,47045.2%10,153,05043.8%23,159,113Full-size tableTable optionsView in workspaceDownload as CSV