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2.6. River and Fluvial Engineering (RIV)
This knowledge area covers the behavior of natural river channels under flow and sediment transport: sediment transport in alluvial channels, scour and fluvial morphology, and the design of channel stabilization, bank protection, reservoir sedimentation management, and river navigation works.
| Knowledge Area (KA) | Core Tier1 | Core Tier2 |
 2.6.1 Sediment Transport in Alluvial Channels | 1 | 1 |
|
2.6.2 Scour and Fluvial Morphology | 1 | 1 |
|
2.6.3 River Engineering | 1 | 1 |
2.6.1. RIV/Sediment Transport in Alluvial Channels (Core Tier1: 1 hr, Core Tier2: 1 hr) ↑ Back to top
Watershed erosion, sediment properties, flow resistance and incipient motion in alluvial channels, and methods for measuring and computing bed load, suspended load, and total sediment transport.
Topics:
Core
- Watershed erosion and sediment yield
- Physical properties of sediment: size, shape, density, and fall velocity
- Flow in sand and gravel channels and associated bedforms
- Flow resistance in alluvial channels
- Incipient motion condition and design of erodible channels
- Fundamentals and techniques for measuring sediment transport
- Bed load sediment transport
- Suspended load sediment transport
- Sediment entry into intakes and diversion structures
- Total sediment load transport formulas
Learning Outcomes:
Core:
- Explain watershed erosion processes and their relation to sediment yield [Familiarity]
- Classify sediments by their physical properties and estimate their fall velocity [Usage]
- Determine the incipient motion condition for a given alluvial channel [Assessment]
- Calculate flow resistance in an alluvial channel accounting for bedforms [Usage]
- Estimate bed load and suspended load transport rates using standard formulas [Assessment]
- Apply total sediment load formulas to an alluvial channel design problem [Usage]
- Evaluate sediment entry into an intake and propose exclusion measures [Assessment]
2.6.2. RIV/Scour and Fluvial Morphology (Core Tier1: 1 hr, Core Tier2: 1 hr) ↑ Back to top
Fundamentals and computation of general and local scour, long-term bed elevation changes, fluvial cycles and processes, alluvial channel geometry and stability, and the Lane balance for the qualitative analysis of channel response.
Topics:
Core
- Scour fundamentals and long-term bed elevation changes
- Computation of general scour
- Local scour from contractions, bends, and confluences
- Local scour at bridge piers and abutments
- Fluvial morphology cycles and processes
- Shape, geometry, and stability of alluvial channels
- Lane balance: qualitative channel response and modeling
- Interaction between highway infrastructure and natural streams
Learning Outcomes:
Core:
- Calculate the general scour depth in a channel reach [Assessment]
- Determine local scour from contraction and at bridge piers and abutments [Usage]
- Analyze long-term bed elevation changes in a fluvial reach [Assessment]
- Describe the cycles and processes governing alluvial channel morphology [Familiarity]
- Apply the Lane balance to predict the qualitative response of a channel to changes in its variables [Usage]
- Evaluate interaction problems between highway infrastructure and natural streams [Assessment]
2.6.3. RIV/River Engineering (Core Tier1: 1 hr, Core Tier2: 1 hr) ↑ Back to top
Design of channel stabilization and bank protection structures, reservoir sedimentation management, and the fundamentals of river navigation.
Topics:
Core
- Channel stabilization: design criteria and examples
- Control structures for riverbank protection
- Design of riprap, gabions, and protective filters
- Practical design considerations for river protection works
- Reservoir sedimentation and dead storage volume
- Trap efficiency and management of reservoir sedimentation
- Analytical fundamentals of river navigation
- River navigation paradigms and port conditioning
Learning Outcomes:
Core:
- Design a channel stabilization structure for a given reach [Usage]
- Select and size bank protection structures (riprap, gabions, filters) [Assessment]
- Apply practical design considerations to a conceptual river protection case [Usage]
- Estimate the dead storage volume and useful life of a reservoir due to sedimentation [Assessment]
- Evaluate the sediment trap efficiency of a reservoir and propose management measures [Usage]
- Explain the analytical fundamentals of river navigation and its port conditioning [Familiarity]