A New Model for the Regulation Width of Waterway Based on Hydraulic Geometry Relation

Table 5

Calculated results of regulation width.

Regulation depth	Reach	Equation (1)	Equation (2)	Equation (3)	Equation (4)	Equation (5)	Average value by (1) to (5)	Equation (14)
1.0	1#	99	121	94	58	118	98	91
	2#	93	116	149	100	227	137	134
	3#	144	202	224	133	302	201	198
1.2	1#	110	135	101	71	154	114	102
	2#	101	127	163	121	278	158	151
	3#	160	225	231	160	362	228	222
1.5	1#	127	153	109	93	178	132	117
	2#	115	142	181	157	313	182	174
	3#	177	244	248	205	403	255	256
𝑍		22.45%	13.43%	6.77%	28.39%	52.34%		4.95%

1# represents the reach from Mengzhouba Hydro-junction to Wushinan Hydro-junction; 2# represents the reach from Baishiyao Hydro-junction to Daluodu Hydro-junction; 3# represents the reach from Feilaixia Hydro-junction to Qingyuan Highway Bridge.
𝑍 represents the average error compared to the average value calculated by (1) to (5).