Improving the Evaluation of Slit-Check Dam Trapping Efficiency by Using a 1D Unsteady Flow Numerical Model
Publication: Journal of Hydraulic Engineering
Volume 140, Issue 7
Abstract
Sediment trapping behavior of slit-check dams and related design criteria are usually evaluated assuming the hypothesis of steady-state hydraulic conditions associated with the peak of the design flood. A novel approach based on the use of a 1D unsteady flow numerical model to simulate in detail transport processes upstream from slit-check dams during flood events is presented in this paper. The adopted model is validated by comparison with results of laboratory experiments from the literature showing the ability to reproduce accurately the temporal evolution of the sediment deposit behind the dam. The presented model-based approach enabled a realistic evaluation of the sediment trapping efficiency of the dam during the flood, i.e., the percent trapped portion of sediment volume transported by the flood, for different sizes of the dam slit. Especially for narrow slits, simulations revealed lower trapping efficiencies of slit-check dams at the flow peak condition compared to an approach from literature based on the steady-state flow assumption. Also, simulations allowed for the evaluation of the behavior of the dam at the end of the flood event, revealing the potential of the model-based approach to analyze the morphological evolution of the river downstream of the dam.
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References
Armanini, A., and Larcher, M. (2001). “Rational criterion for designing opening of slit-check dam.” J. Hydraul. Eng., 94–104.
Banihabib, M. E., and Bahram, E. (2009). “Experimental analyses of sedimentation in the slit dam Reservoir.” Proc., World Environmental and Water Resources Congress 2009, ASCE, Reston, VA, 5845–5856.
Belleudy, P. J. (2000). “Numerical simulation of sediment mixtures deposition: Part I—Analysis of a flume experiment.” J. Hydraul. Res., 38(6), 417–426.
Bhallamudi, S., and Chaudhry, M. (1991). “Numerical modeling of aggradation and degradation in alluvial channels.” J. Hydraul. Eng., 1145–1164.
Busnelli, M. M., Stelling, G., and Larcher, M. (2001). “Numerical morphological modelling of open check dams.” J. Hydraul. Eng., 105–114.
Campisano, A., Creaco, E., and Modica, C. (2007). “Dimensionless approach for the design of flushing gates in sewer channels.” J. Hydraul. Eng., 964–972.
Campisano, A., Creaco, E., and Modica, C. (2008). “Temporal evolution of the filling process of closed check dams. Laboratory experiments and numerical modeling.” Proc., Int. Conf. on Fluvial Hydraulics—River Flow 2008, M. S. Altinakar, et al., eds., Vol. 2, Kubaba CDTS, Ankara Turkey, 1389–1398.
Campisano, A., Creaco, E., and Modica, C. (2013). “Numerical modelling of sediment bed aggradation in open rectangular drainage channels.” Urban Water J., 10(6), 365–376.
Cao, Z., Day, R., and Egashira, S. (2002). “Coupled and decoupled numerical modelling of flow and morphological evolution in alluvial rivers.” J. Hydraul. Eng., 306–321.
Capart, H., Bellal, M., and Young, D. L. (2007). “Self-similar evolution of semi-infinite alluvial channels with moving boundaries.” J. Sediment. Res., 77(1), 13–22.
Castro-Orgaz, O., Giraldez, J. V., and Ayuso, J. L. (2008). “Transcritical flow due to channel contraction.” J. Hydraul. Eng., 492–496.
Catella, M., Paris, E., and Solari, L. (2005). “Case study: Efficiency of slit-check dams in the mountain region of Versilia Basin.” J. Hydraul. Eng., 145–152.
Chanson, H. (2002). The hydraulics of stepped chutes and spillways, Sweet & Zeitlinger, Lisse, The Netherlands.
Correia, L. R. P., Krishnappam, B. G., and Graf, W. H. (1992). “Fully coupled unsteady mobile boundary flow model.” J. Hydraul. Eng., 476–494.
Creaco, E., and Bertrand-Krajewski, J. L. (2009). “Numerical simulation of flushing effect on sewer sediments and comparison of four sediment transport formulas.” J. Hydraul. Res., 47(2), 195–202.
Creaco, E., Campisano, A., Khe, A., Modica, C., and Russo, G. (2010). “Head reconstruction method to balance flux and source terms in shallow water equations.” J. Eng. Mech., 517–523.
Einstein, H. A., and Banks, R. B. (1950). “Fluid resistance of composite roughness.” Trans. Am. Geophys. Union, 31(4), 603–611.
Ferreira, R., and Leal, J. (1998). “1D mathematical modeling of the instantaneous dam-break flood wave over mobile bed: Application of TVD and flux-splitting schemes.” Proc., European Concerted Action on Dam-Break Modeling, HR Wallingford, 175–222.
Ferro, V. (2009). “Modern strategies for torrent control check dams: slit and W-weir check dams.” Check dams, morphological adjustments and erosion control in torrential streams, Nova Science Publisher, Hauppauge, NY.
Ferro, V. (2011). “Contributo al dimensionamento di una briglia a fessura con profilo lineare doppio.” L’Italia Forestale e Montana, 66(1), 41–54.
Garcia-Navarro, P., Alcrudo, F., and Saviron, J. M. (1992). “1-D open-channel flow simulation using TVD- MacCormack scheme.” J. Hydraul. Eng., 1359–1372.
Garcia-Navarro, P., and Saviron, J. M. (1992). “MacCormack’s method for the numerical simulation of one-dimensional discontinuous unsteady open channel flow.” J. Hydraul. Res., 30(1), 95–104.
Johnson, P. A., and McCuen, R. H. (1989). “Slit dam design for debris flow mitigation.” J. Hydraul. Eng., 1293–1296.
Kassem, A., and Chaudhry, M. H. (1998). “Comparison of coupled and semicoupled numerical models for alluvial channels.” J. Hydraul. Eng., 794–802.
Li, S. S., and Millar, R. G. (2007). “Simulating bed-load transport in a complex gravel-bed river.” J. Hydraul. Eng., 323–328.
Liu, J., Nakatani, K., and Mizuyama, T. (2012). “Hazard mitigation planning for debris flow based on numerical simulation using Kanako simulator.” J. Mt. Sci., 9(4), 529–537.
Lyn, D. A., and Altinakar, M. (2002). “St. Venant-Exner equations for near-critical and transcritical flows.” J. Hydraul. Eng., 579–587.
MacCormack, R. (1971). “Numerical solution of the interaction of a shock wave with a laminar boundary layer.” Proc., 2nd Int. Conf. on Numerical Methods in Fluid Dynamics, Vol. 8, Springer, New York, NY, 151–163.
Meyer-Peter, P. E., and Müller, R. (1948). “Formulas for bed load transport.” 2nd Meeting of Int. Association for Hydraulics Research, Stockholm, Sweden, IAHR, Madrid, Spain, 39–64.
Saiedi, S. (1997). “Coupled modelling of alluvial flows.” J. Hydraul. Eng., 440–446.
Seal, R., Paola, C., Parker, G., Southard, J. B., and Wilcock, P. R. (1997). “Experiments on downstream fining of gravel: I. Narrow-channel runs.” J. Hydraul. Eng., 874–884.
Shrestha, B. B., Nakagawa, H., Kawaike, K., Baba, Y., and Zhang, H. (2012). “Driftwood deposition from debris flows at slit-check dams and fans.” Nat. Hazards, 61(2), 577–602.
Sieben, J. (1999). “A theoretical analysis of discontinuous flows with mobile bed.” J. Hydraul. Res., 37(2), 199–212.
Toro-Escobar, C. M., Parker, G., Paola, C., Wilcock, P. R., and Southard, J. B. (2000). “Experiments on downstream fining of gravel: II. Wide and sandy runs.” J. Hydraul. Eng., 198–208.
Wu, C. C., and Chang, Y. R. (2002). “Debris-trapping efficiency of crossing-truss open type check dams.” Proc., 3rd Int. Conf. Debris-Flow Hazards Mitigation: Mechanics, Prediction and Assessment, C. L. Chen, ed., ASCE, Reston, VA, 1315–1325.
Wu, W. (2004). “Depth-averaged two-dimensional numerical modeling of unsteady flow and non uniform sediment transport in open channels.” J. Hydraul. Eng., 1013–1024.
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Published In
Journal of Hydraulic Engineering
Volume 140 • Issue 7 • July 2014
Copyright
© 2014 American Society of Civil Engineers.
History
Received: May 29, 2013
Accepted: Jan 6, 2014
Published online: Mar 14, 2014
Published in print: Jul 1, 2014
Discussion open until: Aug 14, 2014
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