File : pdf, 1.1 MB, 92 pages
TOC
Chapter 1 Introduction
Purpose
Objective and Scope
Applicability
References
General Consideration
Chapter 2 Relief Well Applications
Description
Use of Wells
History of Use
Other Applications
Chapter 3 Basic Considerations
Foundation Investigations
Foundation Permeability
Anisotropic Conditions
Chemical Composition of Ground Waters
Seepage Analysis
Allowable Heads
Chapter 4 Analysis of Single Wells
Assumptions
Circular Source
Noncircular Source
Infinite Line Source
Finite Line Source
Infinite Line Source and Infinite Line Sink
Infinite Line Sink and Infinite Barrier
Complex Boundary Conditions
Partially Penetrating Wells
Effective Well Penetration
Chapter 5 Analysis of Multiple Well Systems
General Equations
Empirical Method
Circular Source
Wells Adjacent to Infinite Line Source with Impervious Top Stratum
Infinite Line of Wells
Top Stratum Conditions
Infinite Line of Wells, Impervious Top Stratum
Well Factors
Infinite Line of Wells, Impervious Top Stratum of Finite Length
Infinite Line of Wells, Impervious Top Stratum Extending to Blocked Exit
Infinite Line of Wells, Discharge Below Ground Surface
Infinite Line of Wells, No Top
Finite Well Lines, Infinite Line Source
Chapter 6 Well Design
Description of Well
Materials for Wells
Selection of Materials
Well Screen
Filter
Selection of Screen Opening Size
Well Losses
Effective Well Radius
Chapter 7 Design of Well Systems
General Approach
Design Heads
Boundary Conditions
Design Procedures
Infinite Line of Wells, Impervious Top Stratum
Infinite Line of Wells, Wells in Ditch
Infinite Line of Wells with Impervious Top Stratum of Finite Length
Computer Programs
Head Distribution for Finite Line of Relief Wells
Well Systems at Outlet Works and Spillways
Well Costs
Seepage Calculations
Chapter 8 Relief Well Installation
Standard Rotary Method
Reverse-Rotary Method
Bailing and Casing
Bucket Augers
Disinfection
Installation of well Screen and Riser Pipes
Filter Placement
Development
Chemical Development
Mechanical Development
Sand Infiltration
Testing of Relief Wells
Backfilling of Well
Sterilization
Records
Abandoned Wells
Chapter 9 Relief Well Outlets
Check Valves
Outlet Protection
Plastic Sleeves
Chapter 10
Inspection Maintenance and Evaluation
General Maintenance
Periodic Inspections
Pumping Tests
Records
Evaluation
Chapter 11 Malfunctioning of Wells and Reduction in Efficiency
General
Mechanical
Chemical
Biological Incrustation
Chapter 12 Well Rehabilitation
Mechanical Contamination
Chemical Treatment with Polyphosphates
Chemical Incrustations
Bacterial Incrustation
Recommended Treatment
Specialized Treatment
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[...] 5. Background Well to Compliance Well Comparisons 5.1 Summary Flowchart for Background Well to Compliance Well Comparisons 5.2 Analysis of Variance 5.3 Tolerance Intervals Based on the Normal Distribution 5.4 Prediction Intervals [...]