Culvert Case Studies: From here and there

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Presenters: Mark Weinhold
Length: 20 min 25 s
View Part 1 | Part 2 | Part 3

Download the PC Executable 55 MB

       
       Topics:      

       Part 1

• Design Origins of Invisibility
• Assumed Goal
• Mostly Invisible
• Critical Design Elements
• Longitudinal Profile
• Channel Cross Section
• Stable Bed Material Size
• Headcut Creek Points
• Headcut Creek Footings
• Where is the Outlet Drop?
• UIpstream After One Winter
• Headcut Creek through Arch
• Footing After Initial Grouting
• Second Fix Pumping Concrete
• Three Contracts Later
• Lessons Learned

       Part 2

• I Wish I Kept My Bridges Creeks
• Bridgeless Creeks
• Log Graph
• Typical Footing Placement and Backfill
• Note Drop at the End of Footing
• Prior to Backfill
• After 75-Year Storm
• Retaining Walls
• Lessons Learned
• Double Barrel Creek
• Typical State
• Low Flow After Installation
• Outlet After Winter Storms
• Outlet Showing Backwater
• Inlet After Winter Storms
• Ankle Deep Creek
• Reasons for Installation
• Outlet After Installation
• Inlet After Installation
• Outlet Counter SInk
• Nightmare Creek
• After One Average Winter
• Daylight Under Footings
• More Daylight
• Nightmare Creek Sediment Supply
• Outlet Viewed from Road

       Part 3

• Deeper Creek
• Inlet Before
• Inlet After
• Lessons Learned
• Weir(d) Creek - A Case Study in Trade Offs
• Visible Stream Crossing
• During Installation
• After Installation
• Trade-Offs of Retrofit Relative to Total Replacement
• Known Effects
• Big Round Pipe Creek
• New Inlet
• New Outlet
• View at Higher Water
• Finally .... Monitor Your Work

These presentations were produced by Michael J. Furniss and Jeff Guntle, of the US Forest Service, PNW and PSW Research Stations.
US Forest Service, Pacific Northwest Research Station, Pacific Southwest Research Station, Stream Systems Technology Center