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CHAPTER 7. CULVERT AND BRIDGE HYDRAULIC DESIGN

DRAINAGE CRITERIA MANUAL CULVERT AND BRIDGE HYDRAULIC DESIGN City of Bella Vista, AR CB-i CHAPTER 7. CULVERT AND BRIDGE HYDRAULIC DESIGN CONTENTS Section Page CB- CULVERTS INTRODUCTION AND OVERVIEW .. 1 Required DESIGN Information .. 1 Discharge .. 2 Headwater .. 2 Tailwater .. 3 Outlet Velocity .. 3 CULVERT HYDRAULICS .. 3 Key HYDRAULIC Principles .. 3 Energy and HYDRAULIC Grade Lines .. 4 CULVERT Flow Conditions .. 7 Inlet Control .. 7 Outlet Control .. 8 Energy Losses .. 9 Inlet Losses .. 10 Outlet Losses .. 10 Friction Losses .. 11 CULVERT SIZING AND DESIGN .. 11 Determination of DESIGN Flow Rate .. 12 DESIGN Frequency and Freeboard Criteria.

objective of a culvert or bridge is to convey stormwater flows, based on a design flow rate, through embankments or under roadways without causing damage to adjacent properties and developments, the ... Chapter 7 – Open Channel Flow Design: CB-4 City of Bella Vista, AR 1.49 AR 2 / 3S1/ 2 n Q (Equation CB-1) where:

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