RIVER ENGINEERING

The River Engineering Laboratory undertakes studies related to Flood Control, Hydraulic Analysis and Prototype Testing of Structures, Sediment Transport, Flushing of Sediments through Reservoirs, Sediment Control and Exclusion Devices, Design of Canals and Canal Structures, Bridges, River Training and Diversion, Morphological Studies.

AREAS OF SPECIALIZATION

• River training works like spurs and groynes

• Flood embankments, guide/afflux bunds

• Bank protection works like revetments, pitching 

Bridges 

• Location, orientation, adequacy of waterway, afflux, safe deck levels

• Scour level and foundation level, protection measures

• Appurtenant Structures such as guide bunds, approach / afflux embankments

• Morphology to examine stability of river course 

Barrages and Weirs 

• Layout, orientation and waterway, afflux

• Crest levels of spillway and undersluices

• Hydraulic design parameters : velocities, discharge intensity / distribution

• Schedule of gate operation

• Discharging capacity and coefficient of discharge

• Appurtenant works : guide / approach bunds, divide wall, abutments

River Morphology

• Long term changes of river planform and bed levels

• Analysis of river flood discharges and water levels for long period

Terminal Location for Inland Navigation

• Indentification of location by estimating depths during low flows

• Estimate silting and dredging requirement

• Morphological studies to assess river behaviour

• Identification of suitable location from old toposheets, satellite imageries and site inspection

• Minimum flows, minimum water levels

• Intake sill level and drawal level

• Bank protection works on upstream and downstream

Stream Gauging and Sediment Sampling

• Calibration of gauging site of river/canal

• Rating of discharge measurement structures

• Measurement of sediment concentration and analysis for suspended sediment distribution

• Transmission losses in water conductor systems

Siltation in Reservoirs

• Estimation of sedimentation profiles and optimization of flushing discharge, duration and frequency

• Gate regulation for effective flushing

• Sedimentation assessment through remote sensing technique

Sediment Control and Exclusion Devices

• Sediment settling efficiency of desilting chamber/basin

• Sediment carrying capacity and efficacy of flushing tunnels

• Optimum design of desilting chamber in respect of size, shape, inlet and outlet transitions

• Layout of sediment exclusion devices like silt ejectors/excluders

• Optimizing waterway, sill level, size and shape of silt exclusion arrangement

MATHEMATICAL MODEL STUDIES

• Flood Routing Studies: Rivers Tapi, Krishna and Mula-Mutha

• Cubature Computations: Kosi

• Hydraulic Transients in Water Conducting System of Hydel Projects: Rana Pratap Sagar, Lower Sileru, Kalinadi

• System Analysis of Water Resources: Ganga basin

• Morphological Model Studies: Ganga, Yamuna, Barak

• River Regime Studies: Yamuna

• Stratified Flows: Hot water recirculation for Kaiga Nuclear Power Project