Fig 1.
Configuration of flume and culvert model.
Table 1.
Experimental cases.
Fig 2.
Scour profile for box culvert.
(A) non-blocked, (B) culvert with 15% blocked, and (C) culvert with 30% blocked. (r, m, and f stand for raising limb, maximum flow rate, and falling limb of hydrograph, respectively).
Fig 3.
Scour profile of circular culvert.
(A) non-blocked; (B) with 15% blocked, and (C) with 30% blocked.
Fig 4.
Scour profile for box culvert.
(A) non-blocked, (B) with 15% blocked and (C) with 30% blocked.
Fig 5.
Scour profile for circular culvert.
(A) non-blocked, (B) with 15% blocked and (C) with 30% blocked.
Fig 6.
Scour profile for box and circular culvert with different blockage rates.
(A) Q = 22 l/s, t = 360 min and (B) Q = 14 l/s, t = 225 min.
Fig 7.
Comparison of dsm between box and circular culvert first hydrograph (QM = 22 l/s).
Fig 8.
Comparison of dsm between box and circular culvert of second hydrograph (QM = 14 l/s).