Insights into Optimal Schemes of Radial Network Arch Pedestrian Bridge

Table 1

Set of design parameters.

No. of a parameter	Parameters	Types	Lower bounds		Upper bounds
			For varying angles	For constant angles	For varying angles	For constant angles
1	Arch rise f (m)	Continuous	L/10		L/2
2	Number of sections (n)	Integer	5		40
3	Spread angle α (°)	Continuous	5	5	35	45
4	Central section angle β (°)	Continuous	1.1		54
5	Augment Δα (°)	Continuous	0.	0.	2.5	0.
6		Continuous	0.5	1.0	1.5	1.0
7	Height of girder cross-section, hb (m)	Continuous	0.1		1.0
8	Width of girder cross-section, , (m)	Continuous	0.08		0.4
9	Height of arch cross-section, ha (m)	Continuous	0.1		1.0
10	Width of arch cross-section, , (m)	Continuous	0.08		0.4
11	Radius of hanger, R, (m)	Continuous	0.005		0.05