ISBN-10:
078440531X
ISBN-13:
9780784405314
Pub. Date:
01/01/2000
Publisher:
American Society of Civil Engineers
Guidelines for Instrumentation and Measurements for Monitoring Dam Performance

Guidelines for Instrumentation and Measurements for Monitoring Dam Performance

by ASCE Task Committee on Guidelines for Instrumentation and Measurements for Monitoring Dam Performanc

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Overview

Sponsored by the Hydropower Committee of the Energy Division of ASCE.

This report is a handy and comprehensive source of information for dam owners, engineers, and regulators about instrumentation and measurements for monitoring performance of all types of dams. It presents the methodology and process for the selection, measurement instruments and techniques, installation, operation, maintenance, use, and evaluation of instrumentation and measurement systems for dams, appurtenant structures, their foundations, and environment.

Topics include:

  • factors affecting dam performance,
  • means and methods of monitoring dam performance,
  • planning and implementation of a monitoring program,
  • data evaluation and reporting, and
  • decision making.

Case histories of instrumentation and monitoring programs at specific dams are provided for the reader.

Product Review
I highly recommend this comprehensive reference on instrumentation used to evaluate dam performance. All owners, engineers, and regulators of dams should own a copy of this book. —Fred Sage, Field Branch Chief, California Division of Safety of Dams

Product Details

ISBN-13: 9780784405314
Publisher: American Society of Civil Engineers
Publication date: 01/01/2000
Pages: 712
Product dimensions: 5.50(w) x 8.50(h) x (d)

Table of Contents

Forewordiii
Acknowledgmentsv
Abbreviationsxii
Part IMonitoring Dam Performance
Chapter 1Introduction - The Purpose of an Instrumentation and Measurement System1
1.1The Need for an Instrumentaion and Measurement System1
1.2History of Instrumentation and Measurement6
1.3Guideline Contents and Limitations10
Chapter 2Factors Affecting Dam Performance1
2.1Introduction1
2.2Common Factors3
2.3Concrete Dams9
2.4Embankment Dams15
2.5Other Dams25
2.6Appurtenant Structures30
2.7References34
Part IIMeans and Methods of Monitoring
Chapter 3Measurement Instruments and Techniques1
3.1Introduction1
3.2The Origins of Modern Dam Instrumentation6
3.3Future Trends11
3.4Performance Specifications14
3.5Deformation and Movement16
3.6Ground Water Level and Pore Water Pressures67
3.7Seepage, Flow and Turbidity79
3.8Stress and Strain85
3.9Load94
3.10Temperature100
3.11Precipitation105
3.12Reservoir and Tailwater Levels111
3.13Water Quality114
3.14Seismic Measurements115
3.15Other Factors Affecting Instrument Performance118
3.16References121
Chapter 4Geodetic Monitoring Techniques1
4.1Introduction1
4.2Standards of Geodetic Measurement2
4.3Monumentation5
4.4Methods of Measurement14
4.5Methods of Data Collection22
4.6Methods of Data Analysis24
4.7References25
Part IIIMonitoring Programs
Chapter 5Planning and Implementing Measurement Systems1
5.1Introduction1
5.2Planning2
5.3System Design8
5.4Procurement11
5.5Installation13
5.6Operation and Maintenance14
5.7Data Management17
5.8Abandonment and Replacement18
5.9References19
Chapter 6Developing an Instrumentation and Measurement Plan1
6.1Introduction1
6.2Objectives of Data Collection and Processing2
6.3Elements of an Instrumentation, Monitoring and Control Plan5
6.4Personnel and Training Requirements14
6.5References17
Chapter 7Automated Data Acquisition Systems1
7.1History and Background1
7.2Applications4
7.3Data Acquisition System Components6
7.4Design Considerations24
7.5Practical Considerations25
7.6Example Installations32
7.7Future Trends36
7.8References37
Part IVResults of Monitoring and Actions Taken
Chapter 8Data Evaluation and Reporting1
8.1Purpose and Meaning1
8.2General Considerations2
8.3Evaluating the Instruments and Instrumentation Layout3
8.4Know the Setting4
8.5Methods of Behavior Prediction7
8.6Embankment Dams9
8.7Concrete Dams11
8.8Drainage & Seepage Flow Data13
8.9Deformation23
8.10Foundation Displacements38
8.11Piezometric Levels & Uplift Pressures38
8.12Earth Pressures50
8.13Reporting Results of Routine Ongoing Data Evaluations54
8.14Detailed Data Evaluation Reports54
8.15Guidelines for Reports on Instrumented Performance56
8.16Instrumented Performance Report - An Example Format61
8.17References62
Chapter 9Decision Making and Taking Action1
9.1Introduction1
9.2Normal Condition (Green)2
9.3Unexpected Condition (Yellow)2
9.4Emergency Condition (Red)3
9.5Establishing Priorities4
9.6Construction Phase5
9.7Initial Filling5
9.8Conclusions6
Part VTypical Monitoring Applications
Chapter 10Concrete Dams1
10.1Introduction1
10.2Concrete Temperature4
10.3Movement & Deformation5
10.4Uplift8
10.5Seepage13
10.6Stress and Strain14
10.7Seismic19
10.8Tendon Loads22
10.9References22
Chapter 11Embankment Dams1
11.1Introduction1
11.2The Properties, Geometry and Performance of Embankment Dams2
11.3Instrumentation and Measurements for Specific Embankment Dams3
11.4Acceptable Ranges of Readings29
11.5References33
Chapter 12Other Dams & Appurtenant Structures1
12.1Introduction1
12.2Instrumentation Common to All Types of Dams1
12.3Other Dams5
12.4Appurtenant Structures15
12.5References22
Part VIAppendicies
Appendix ACase Histories
Case 1Piercefield Hydro Intake/Forebay - Buttress and Gravity Dam
Case 2Smith Lake Dam - Earth Embankment With Rcc Overlay
Case 3Clarence Cannon Dam - Earth Embankment
Case 4Stagecoach Dam - Roller Compacted Concrete
Case 5Wanapum Dam - Concrete Gravity and Zoned Rockfill
Case 6Merrill Creek Dam - Earth and Rockfill
Case 7Gardiner Dam - Zoned Embankment
Case 8Seven Sisters Dam - Concrete Gravity
Case 9Christian E. Siegrist Dam - Roller Compacted Concrete Gravity Dam
Case 10Kinzua Project, Seneca Upper Reservoir - Random Fill Embankment With Asphaltic Concrete Lining
Appendix BInstrument Details, Performance, Specifications and Lightning Protection1
B.1Sensing Principles Used in Dam Monitoring Instruments1
B.2Instrument Specifications: What They Mean47
B.3Lightning and Transient Protection52
B.4References60
Appendix CStandard Operating Procedures (SOP)
SOP-C1Earthfill Dam Instrumentation
SOP-C2Concrete Dam Instrumentation
Appendix DTypical Data Collection Forms and Plots
Form D-1Weekly Observation Well and Weir Readings
Form D-2Weekly Weir Readings
Form D-3Observation Wells, Well Points and Weirs, Monthly Readings
Form D-4Seepage Measurements, Observe Monthly/Measure Quarterly
Form D-5Quarterly Load Cell
Form D-6Piezometers Readings, Quarterly
Form D-7Crack Readings, Quarterly
Form D-8Special Observation Well and Weir Readings
Plot D-9Time History Plot
Plot D-10Time History Multi-Parameter Plot
Plot D-11Multi-Parameter Trend Plot
Appendix EGlossary of Terms

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