Safety Assessment of Tunnel Shield Construction for Existing Adjacent Bridges

Table 5

Bending load effect of normal section.

	Maximum bending load effect		Minimum bending load effect
	5mm effect size (KN·m)	Section resistance (KN·m)	5mm effect size (KN·m)	Section resistance (KN·m)
Side span bearing section	19325	112073	−61663	−181456
Intermediate span bearing section	18610	111955	−62568	−181456
Intermediate span section	164969	184327	89360	184327
Side span midspan section	95785	144256	46833	144256

Note. Symbol represents positive and negative bending moment.