File : pdf, 9 MB, 203 pages
TOC
CHAPT 1. PURPOSE AND SCOPE
Hydrologic cycle
CHAPT 2. DESIGN CONSIDERATIONS
Design
Drainage outfall considerations
Initial and deferred design and construction
CHAPT 3. SUBSURFACE DRAINAGE REQUIREMENTS
Investigations to determine subsurface drainage requirements
Criteria for determining the need for subsurface drainage
CHAPT 4. PRINCIPLES OF SOIL DRAINAGE
Flow of water through soils
Drainage of water from soils
CHAPT 5. BACKFILL FOR SUBSURFACE DRAINS
Empirical design of filter materials
Construction of filter material
CHAPT 6. SUBSURFACE DRAINAGE PROCEDURES
Purpose
Methods
Base- and subbase-course drainage
Subgrade drainage
Intercepting drainage
Type of pipe
Manholes and observation basins
Pipe sizes and slopes
Filter material
Depth of cover over drains
CHAPT 7. SURFACE DRAINAGE REQUIREMENTS
Design storm
Infiltration
Rate of supply
Runoff
Investigations to determine
surface drainage requirements
CHAPT 8. DRAINAGE PIPE
Selection of type of pipe
Selection of n values
Restricted use of bituminous coated pipe
Minimum cover
Frost condition considerations
Infiltration of fine soils through drainage pipe joints
CHAPT 9. INLETS AND BOX DRAINS
Inlets versus catch basins
Design features
Box drains
Settlement of inlets and drains
CHAPT 10. OPEN CHANNELS
Channel design
Design problem
CHAPT 11. CULVERTS
Culvert flow
Procedure for selection of culvert size
Instructions for use of inlet-control nomographs
Instructions for use of outlet-control nomographs
Culvert capacity charts
CHAPT 12. CONSTRUCTION DRAINAGE
Planning
Protective measures
CHAPT 13. EROSION CONTROL REQUIREMENTS
Design criteria
Estimating erosion
CHAPT 14. RIPRAP
Riprap protection
Failures
Stone size
Design
CHAPT 15. VEGETATION
Planting zones
Turf development
Terraces
CHAPT 16. REQUIREMENTS FOR DEFERRED STRUCTURES
Repairs
CHAPT 17. HEADWALLS
Entrances
Types of headwalls
Headwall construction
Outlets and endwalls
Structural stability
Sloughing
Apron
CHAPT 18. DROP STRUCTURES AND CHECK DAMS
Description and purpose
Design
Typical design problem
Solution – design of notch
Alternate design
CHAPT 19. CHUTES
Design problem
Solution
CHAPT 20. STILLING BASINS
Stilling well
USBR Type VI basin
SAF basin
Design summary
Comparison of various stilling basins
Design problem
Solution
CHAPT 21. GUTTERS
Discharge capacity
Design charts
