Table 1.
Chemical Composition of Alloy Steel (Mass Fraction) %.
Table 2.
Tensile Test Detection Values of Alloy Steel Material and Q235 Steel Material.
Table 3.
SB-Grade Alloy Steel Guardrail Production Data List (Steelmaking & Rolling).
Table 4.
Production Data List for 1 km of SB-Grade Alloy Steel Guardrails.
Table 5.
Production Data List for 1 km of SB-Grade Q235 Steel Guardrails.
Table 6.
Test Impact Conditions.
Fig 1.
Carbon Footprint Proportion of Each Stage in the Full Life Cycle of 1 km SB-Grade Steel Guardrails.
(a) Alloy steel corrugated beam guardrail carbon footprint distribution; (b) Q235 steel corrugated beam guardrail carbon footprint distribution.
Table 7.
Sensitivity Analysis Results of Key LCA Parameters.
Table 8.
Test Results of Alloy Steel Guardrails vs. Standard Safety Limits.
Fig 2.
Process Diagram of Guardrail Impact Test.
(a) Small passenger car; (b) Medium bus; (c) Large truck.