Low-Temperature Performance and Evaluation Index of Gussasphalt for Steel Bridge Decks

Table 7

Sensitivity factor of each index.

	Sensitivity factor (%)
	Bending tensile strain	Strain energy density	Bending creep rate	Damage stiffness modulus
15% TLA
Gradation 1	—	—	—	—
Gradation 3	9.90	7.97	2.82	3.28
Gradation 2	21.60	25.59	8.14	10.74
30% TLA
Gradation 2	17.74	25.00	12.03	23.53
Gradation 3	32.97	46.03	16.75	22.07
Gradation 1	10.66	23.67	10.92	20.06