Mathematical Modeling of Local Scour at Slender and Wide Bridge Piers

Table 1

Scour field data, Mueller and Wagner [13].

Measurement	Shape	Water depth	Velocity	Pier width	Skew			Scour depth	Accuracy
	Coefficient	(m)	(m/s)	(m)	(degree)	(mm)	(mm)	(m)	(m)
31	1	3.7	2.2	1.5	0	14	42	2.1	0.2
33	1	4.3	1.7	1.5	0	14	42	2.4	0.2
40	1	8.1	0.7	2	0	0.18	0.4	2.7	0.2
164	1	11.3	2.6	4.3	0	0.3	0.4	2.1	0.3
223	1	2.7	2.3	2.4	0	7.51	23.2	2	0.3
252	1	9.2	1.6	1.7	11	6.9	15	2.3	0.3
43	0.9	9.1	1.5	3	0	0.32	0.5	3.3	0.2
140	1	22.5	2.4	4	11	0.6	1.3	7.1	0.6
141	1	22.4	2	4.1	4	0.6	1.3	6.2	0.6
142	1	16.7	1.8	4.7	4	0.6	1.3	6.5	0.6
153	0.8	11.6	2.6	4.3	0	0.3	0.4	3.7	0.6
155	0.8	9.4	2.1	4.3	0	0.3	0.4	3.5	0.3
157	0.8	11.9	3.2	4.3	0	0.3	0.4	7	0.6
158	0.8	12.6	3.2	4.3	0	0.3	0.4	5.2	0.6
159	0.8	9.8	2.9	4.3	0	0.3	0.4	7.7	0.3
160	0.8	9.8	2.9	4.3	0	0.3	0.4	5.6	0.3
161	0.9	11.7	2.5	4.3	0	0.3	0.4	4.4	0.3
162	0.9	11.7	2.5	4.3	0	0.3	0.4	3.9	0.6
163	0.9	10.8	2.6	4.3	0	0.3	0.4	3.3	0.6
165	0.9	9.3	2.1	4.3	0	0.3	0.4	4.2	0.3
166	0.9	9.3	2.1	4.3	0	0.3	0.4	3.8	0.3
167	0.9	12	3	4.3	0	0.3	0.4	4.5	0.3
168	0.9	11.7	3	4.3	0	0.3	0.4	4.8	0.6
169	0.9	11.2	3.2	4.3	0	0.3	0.4	5.5	0.3
170	0.9	11.7	3.2	4.3	0	0.3	0.4	5.2	0.3
171	0.9	9.6	2.9	4.3	0	0.3	0.4	5.6	0.6
172	0.9	9.7	2.9	4.3	0	0.3	0.4	3.7	0.3
196	1	11.8	1.6	5.3	0	0.48	0.67	4.6	0.2
197	1	9.5	1.4	5.4	0	0.48	0.67	4.2	0.2
198	1	8.7	1.1	5.5	0	0.48	0.67	3.1	0.1
208	1	14.3	1.9	2.8	0	0.7	2.1	4.3	0.6
209	1	15.1	2	2.8	0	0.7	2.1	3.8	0.6
210	1	12.9	1.2	2.8	0	0.7	2.1	3.8	0.6
211	1	11	1.1	2.8	0	0.7	2.1	4.3	0.6
213	1	14.6	2.3	2.9	0	0.7	2.1	4	0.6
214	1	15.4	2	2.9	0	0.7	2.1	3.7	0.6
215	1	12.9	1.4	2.9	0	0.7	2.1	3.7	0.6
216	1	11	1.2	2.9	0	0.7	2.1	3.7	0.6
217	0.8	20	2.6	5.5	0	0.96	2.5	4.1	0.6