Experimental and Analytical Investigation of Deformations and Stress Distribution in Steel Bands of a Two-Span Stress-Ribbon Pedestrian Bridge

Table 3

Test results and analytical predictions of vertical displacements due to asymmetrical load.

Indicator
	Sag , mm	Δf, mm		Error, %	Sag , mm	, mm		Error, %
		Test	Prediction			Test	Prediction
I2	—	−33.77	−32.91	−2.5	—	−45.38	−44.69	−3.7
I3	−142.67	−46.67	−43.90	−5.9	−137.84	−60.82	−58.25	−4.2
I4	—	−33.47	−32.91	−1.7	—	−44.92	−44.69	−2.7
I11	—	34.34	35.75	4.1	—	50.81	54.39	7.0
I12	–141.25	46.55	47.67	2.4	−138.06	69.78	72.52	3.9
I13	—	33.28	35.75	7.4	—	48.10	54.39	13.1
Horizontal displacement , mm
I5	—	−6.90	−6.84	−0.9	—	−9.14	−9.16	0.2