Geokon 4911A Rebar Strainmeter Manuals

Manuals and User Guides for Geokon 4911A Rebar Strainmeter. We have 2 Geokon 4911A Rebar Strainmeter manuals available for free PDF download: Installation Manual

Geokon 4911A Installation Manual (27 pages)

Vibrating Wire Rebar Strain Meters

Brand: Geokon | Category: Measuring Instruments | Size: 2.1 MB

Table of Contents
5
1 Introduction

7
- Figure 1 - Model 4911 Rebar
  7
- Figure 2 - Model 4911A Rebar
  7
2 Installation

8
- Preliminary Test
  8
- Installing Model 4911, "Sister Bar
  8
- Figure 3 - Model 4911 "Sister
  9
- Figure 4 - Model 4911 "Sister
  9
- Installing Model 4911A
  10
- Figure 5 - Model 4911A I
  10
- Cable Installation
  11
- Cable Splicing and Termination
  11
- Lightning Protection
  11
- Figure 6 - Recommendedl
  12
3 Taking Readings

13
4 Data Reduction

17
- Strain Calculation
  17
- Temperature Correction
  17
- Table 1 - Thermal Coefficients
  17
- Environmental Factors
  19
- Shrinkage Effects
  19
- Converting Strains to Loads
  19
5 Troubleshooting

20
- Table 2 - Sample Resistance
  21
- Table 3 - Resistance Works
  21
Appendix A. Specifications

22
- Rebar Strain Meters
  22
- Thermistor
  22
- Table 4 - Model 4911A/4911 S
  22
Appendix B. Thermistor Temperature Derivation

23
- Table 5 - Thermistor Resistance
  23
Appendix C. Deriving the Calibration Factor (C) from the Test Data

24
- Table 6 - Unbonded Sectiond
  25
- Table 7 - Microstrain Conversion
  26
Appendix D. Sample Calibration Report

27

Geokon 4911A Installation Manual (21 pages)

VW Rebar Strain Meters

Brand: Geokon | Category: Measuring Instruments | Size: 0.34 MB

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Geokon 4911A Rebar Strainmeter Manuals

Geokon 4911A Installation Manual (27 pages)

Table of Contents

1 Introduction

2 Installation

3 Taking Readings

4 Data Reduction

5 Troubleshooting

Appendix A. Specifications

Appendix B. Thermistor Temperature Derivation

Appendix C. Deriving the Calibration Factor (C) from the Test Data

Appendix D. Sample Calibration Report

Geokon 4911A Installation Manual (21 pages)

Table of Contents

1 Introduction

2 Installation

3 Taking Readings

4 Data Reduction

5 Troubleshooting

Appendix A - Specifications

Appendix B - Thermistor Temperature Derivation

Appendix C - Deriving the Calibration Factor, C, from the Test Data

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