1.5 Ann‐Marie Kirsch FHA Hydraulic Toolbox 2/11/2021

1.5 Ann-Marie Kirsch FHA Hydraulic Toolbox

2/11/2021

FHWA HYDRAULIC ANALYSIS TOOLS

NASECA ANNUAL CONFERENCE February 10, 2021

Ann-Marie Kirsch, PE

Senior Water Resources Engineer

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Other Tools and Services

Inlet Spacing Spreadsheet WisDOT SharePoint site

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CONTACT INFORMATION

Ann-Marie Kirsch, PE l AE2S Senior Water Resources Engineer

Advanced Engineering and Environmental Services, LLC (AE2S) 2424 Rimrock Road, Ste. 200 Madison, WI 53713

Ann-Marie.Kirsch@ 608.605.5589

Hydraulic Toolbox

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FHWA Tools and Services

Hydraulic Toolbox Other FHWA H&H Analysis Software Training Opportunities

Introduction to Highway Hydraulics Culvert Design Urban Drainage Design

Toolbox

What is it?

Public Domain (Free!) Series of Calculators Including:

Channel Analysis Inlet Design

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1.5 Ann-Marie Kirsch FHA Hydraulic Toolbox

Toolbox

Where Can I Find it?

lands/hydraulics

Ditch and Pipe Capacity

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Channel Analysis 8

Ditch and Pipe Capacity 11

Ditch and Pipe Capacity 9

Determine Capacity for:

? Trapezoidal

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1.5 Ann-Marie Kirsch FHA Hydraulic Toolbox

Determine Capacity for:

? Trapezoidal

Easy Pull-Down Menu Range of geometry

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Determine Capacity for: ? Trapezoidal

? Triangular

No bottom width included

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Determine Capacity for:

? Trapezoidal

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Solve for Depth with a known flow OR for flow with a known depth

Determine Capacity for: ? Trapezoidal ? Triangular

? Rectangular

Bottom width with vertical sidewalls

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Determine Capacity for:

? Trapezoidal

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Returns other hydraulic properties

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Determine Capacity for: ? Trapezoidal ? Triangular ? Rectangular

? Circular

(pipes not

flowing

under

pressure

Good for sizing storm sewers for full-flow capacity and determining hydraulic properties for pipes not flowing full

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1.5 Ann-Marie Kirsch FHA Hydraulic Toolbox

2/11/2021

Determine Capacity for: ? Trapezoidal ? Triangular ? Rectangular ? Circular (pipes not flowing under pressure

? Irregular Cross Sections

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Determine Capacity for: ? Trapezoidal ? Triangular ? Rectangular ? Circular (pipes not flowing under pressure

? Irregular Cross Sections

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Determine Capacity for: ? Trapezoidal ? Triangular ? Rectangular ? Circular (pipes not flowing under pressure

? Irregular Cross Sections

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Channel Lining

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Channel Lining Analysis

Benefits

Same procedure as FDM

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Channel Lining Analysis

Benefits

Same procedure as FDM

Easy to analyze different channel sections

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1.5 Ann-Marie Kirsch FHA Hydraulic Toolbox

Channel Lining Analysis

Benefits

Same procedure as FDM

Easy to analyze different channel sections

All the math is done in the program

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Lining Materials: ? Riprap or stone ? Vegetation

? Rolled Erosion Control Products

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Lining Materials:

? Riprap or stone

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Lining Materials: ? Riprap or stone ? Vegetation ? Rolled Erosion Control Products

? Gabions

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Lining Materials: ? Riprap or stone

? Vegetation

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Process:

? Select Lining Material

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1.5 Ann-Marie Kirsch FHA Hydraulic Toolbox

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Process: ? Select Lining Material

? Channel Analysis

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Transfers results of Channel Analysis to Lining Calculator

Culvert Outlet Protection

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Process: ? Select Lining

Material ? Channel Analysis

? Riprap Size

Estimate D50 of material. Can base on standard distributions in FDM/Standard Bid Items

Is outlet protection required?

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Process: ? Select Lining Material ? Channel Analysis ? Riprap Example

? Compute

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Channel is stable for this flow and geometry. May wish to iterate solution for smaller riprap

Is outlet protection required?

What size of stone?

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1.5 Ann-Marie Kirsch FHA Hydraulic Toolbox

2/11/2021

Is outlet protection required? What size of stone? Dimension of pad?

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Process:

? Define Channel Geometry

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Process: ? Define Channel Geometry

? Edit Culvert Data

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Process: ? Define Channel Geometry ? Edit Culvert Data ? Review Results

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Calculator returns the riprap classification required and the dimension of the apron at the culvert outfall

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Gradation Analysis

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This data is obtained from HY-8 or other culvert analysis program

Gradation Analysis

? Upload Photo(s)

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1.5 Ann-Marie Kirsch FHA Hydraulic Toolbox

2/11/2021

Gradation Analysis

? Upload Photo(s)

? Requires scale or scalable object

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Gradation Analysis

? Upload Photo(s) ? Requires scale or

scalable object ? Channel substrate ? Material delivered to

site

? Follow prompts to complete computations

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? Upload Photo(s) ? Requires scale or

scalable object

? Channel

substrate

Gradation Analysis

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Gradation Results

Results include particle size distribution

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Gradation Analysis

? Upload Photo(s) ? Requires scale or

scalable object ? Channel substrate

? Material delivered to site

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Curb and Gutter Analysis 48

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