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These impacts were expressed as percentage in relation to the whole emissions due to the infrastructure (pavement + guardrail).
Comparing the environmental burden due to the infrastructure (pavement and safety barrier) and the traffic flow, it is evident that as for GWP and EP the two contributions are comparable.
In Table 5 we reported for each considered impact category the percentage contributions of the infrastructure (pavement + guardrail) and of the traffic flow to the whole environmental impact of the system (infrastructure + traffic).
Secondly, in allusion to five kinds of transportation infrastructure: pavement, bridge, tunnel, side slope and ancillary facility, the existing infrastructure testing indexes were summarized, and the relations between traffic safety and these testing indexes were quantified.
Table 5 Percentage contribution of the infrastructure (pavement and safety barrier) and traffic on the whole environmental impact Impact category Environmental indicator Pavement + guardrail Traffic GWP Kg CO2 eq 13.97 86.03 POCP Kg C2H4 eq 0.03 99.97 AP Kg SO2 eq 0.62 99.38 EP Kg PO4 3− eq 27.81 72.19.
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The policy reinforces the idea that the government is responsible for providing high-quality infrastructure – pavements, cycle lanes and the like – to serve the country's non-motorised transport (NMT) users.
Generally, a road infrastructure comprised pavement and subgrade.
Play around with the Green Values Calculator developed by the Center for Neighborhood Technology to determine savings from the installation of green infrastructure (permeable pavement, green roofs, rain gardens, etc).; calculate your water footprint.
Additionally, almost 100 bridges, offshore platforms, tall buildings, spatial structures, underground infrastructures and pavement have been implemented with SHM systems in mainland China at present.
The incorporation of recycled aggregates, obtained from the rehabilitation and demolition of old infrastructure (buildings, pavements, and bridges), into the formulation of PCC has become an essential practice for sustainable development.
The automatically snow-melting system with the electric heating pipes (AS-EHP) is applied in infrastructures (concrete pavement, parking apron, garage entrances and municipal road) in cold regions to mitigate the accumulated snow problem.
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