FLOOD01169

• County: Statewide
• Community: State of Colorado
• Stream Name: All
• Title: Design Guidelines and Criteria Channels and Hydraulic Structures on Sandy Soil
• Date: 6/1/1981
• Prepared For: UDFCD
• Prepared By: Simons Li & Associates Inc.
• Floodplain - Doc Type: Educational/Technical/Reference Information

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2.3.3
2.3.4
2.3.5

TABLE OF CONTENTS (continued)

2.3.2.1
2.3.2.2
2.3.2.3
2.3.2.4

Boulders . . . . .
Cobbles and Gravel
Sand. .
Sil t and Clay.

Fall Velocity.
Specific Weight and Specific Gravity
Size Distribution of Sediment.

2.4

Forms of Bed Roughness

2.4.3

General. . . .
Bed Configuration,
Resistance to Flow

Flow Phenomena, and

2.4.1
2.4.2

2.4.2.1 Plane Bed Without Sediment Movement.
2.4.2.2 Ripples.
2.4.2.3 Dunes.
2.4.2.4 Plane Bed With Sediment Movement
. 2.4.2.5 Antidunes.
2.4.2.6 Chutes and Pools
2.4.2.7 Reconunended Values of Manning's n

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Regime of Flow in Alluvial Channels.

2.4.3.1
2.4.3.2
2.4.3.3

Lower Flow Regimes
Upper Flow Regimes
Transitions.

2.5

Sediment Transport

3.1
3.2
3.3

General.
Veloci ty
Depth.

2.5.1
2.5.2
2.5.3

General. .
Type of Sediment Movement.
Sediment Transport Capacity.

2.5.3.1
2.5.3.2

The Meyer-Peter, Muller Equation
The Einstein Method for Suspended
Sediment Load Equation . . . . . .

III. DESIGN CONSIDERATIONS

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