Instrumentation for Concrete Structures
File : pdf, 4.63 MB, 306 pages
TOC
CHAPTER 1 – INTRODUCTION
1-6 Types of Instruments
1-7 Instrument Uses
1-8 Collection of Complementary Data
1-9 Comments
CHAPTER 2 – TRANSDUCERS
SECTION 1 Carlson Type Transducers
2-1 Description of the Instruments
2-2 Strain Meter
2-3 Miniature Strain Meter
2-4 Joint Meter
2-5 Stress Meter for Concrete
2-6 Pore Pressure Cell
2-7 The Reinforced Concrete Meter
2-8 Resistance Thermometer
2-9 Source
2-10 Instrument Preparation
2-11 Waterproofing Treatment
2-12 Cable Leads
2-13 Calibration Corrections
2-14 Correction Factors
2-15 Resistance Thermometer Calibration
2-16 Final Calibration Adjustments
2-17 Instrument Installation
2-18 Embedment Techniques
SECTION II Terminal Facilities and Reading Instruments
2-19 Design of Terminal Recesses
2-20 Terminal Equipment
2-21 Installing Cable Leads
2-22 Installing Terminal Equipment
2-23 Reading Equipment
SECTION III Data Collection and Reduction
SECTION IV Other Stress-Strain Type Transducers
2-27 General
2-28 Strain Measuring Instruments
2-29 Linear Variable Differential Transformers
2-30 Resistance Strain Gage
2-31 Stress Measuring Instruments
CHAPTER 3 – UPLIFT AND LEAKAGE
SECTION I Uplift
SECTION II Leakage
3-6 General
3-7 Vee-Notch Weir
3-8 Critical Depth Meter
SECTION III Supplemental Instruments
3-9 General
3-10 Water Level Indicator
3-11 Vibrating Wire Piezometerz
3-12 Strain Gaged Diaphragm Pressure Gage
3-13 WES Pressure Measuring Telemetry System
3-14 Hydraulic Pore Water Pressure Cell
3-15 WES Hydrostatic Pressure Cell
CHAPTER 4 – PLUMBING INSTRUMENTS AND TILT MEASURING DEVICES
4-1 General
4-2 Description
4-3 Installation Procedures
4-4 Maintenance and Care of Equipment
4-5 Collection of Data
4-6 Processing of Data
4-7 Inverted Plumb Line
4-8 Optical Plummet
4-9 Tilt Measuring Instruments
4-10 Instruments that Measure Tilt Through a Structure
4-11 Instruments that Measure Surface Tilt
4-12 Terzaghi Water Level Meter
CHAPTER 5 – CRACK AND JOINT MEASURING DEVICES
5-l Purpose
5-2 Description of the Instruments
5-3 Instrument Details and Characteristics
5-4 Instrument Installation
5-5 Collection of Data
5-6 Reading Schedules
CHAPTER 6 PRECISE MEASUREMENT SYSTEMS
SECTION I Types of Measurement
SECTION II Precise Alignment Instruments
SECTION III Precise Distance Measuring Instruments
SECTION IV Triangulation and Trilateration
CHAPTER 7 – TEMPERATURE MEASUREMENT
7-l General
7-2 Temperature Measuring Devices
7-3 Installation
7-4 Collection of Data
7-5 Processing of Data
CHAPTER 8 – SEISMIC INSTRUMENTATION
8-l Introduction
8-2 Description
8-3 Design Considerations
8-4 Hydrodynamic Pressure Measurement Considerations
8-5 Installation and Maintenance
8-6 Processing of Data
CHAPTER 9 – INSTRUMENTATION AUTOMATION TECHNIQUES
SECTION I
Introduction
SECTION II System Requirements
SECTION III System Design
9-6 System Considerations
9-7 Automated Measurement Techniques
9-8 Component Compatibility
9-9 Instrument/System Characteristics
9-10 Interfacing Techniques
9-11 Power Sources
9-12 Grounding Techniques and Lightning Protection
9-13 Maintainability
9-14 Operability
9-15 System Calibration
9-16 System Flexibility
9-17 Economic Factors
SECTION IV Sensor Selection Criteria
SECTION V Signal Conditioning
9-21 Introduction
9-22 Bridge Circuits
9-23 Amplification
9-24 Instrumentation Amplifier
9-25 Isolation Amplifiers
9-26 Filtering
9-27 Signal Conversion
9-28 Electrical Interferences
SECTION VI Data Transmission
SECTION VII Data Processing, Display, and Recording
SECTION VIII System Design Document and Design Review
SECTION IX System Implementation
SECTION X Maintenance
SECTION XI Retrofitting
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