Table Of Contents - Geokon 4200 Series Instruction Manual

1. INTRODUCTION ............................................................................................................................................................ 1
2. MODELS ........................................................................................................................................................................... 2
2.1 M 4200 4200L ............................................................................................................................................ 2
ODELS AND
2.2 M 4202 ................................................................................................................................................................. 3
ODEL
2.3 M 4210 ................................................................................................................................................................. 3
ODEL
3. PRIOR TO INSTALLATION ......................................................................................................................................... 4
3.1 A M
DJUSTING ODEL
3.2 G C A
AGE AND ABLE
3.3 P
RELIMINARY CHECK
4. INSTALLING THE GAGES IN CONCRETE .............................................................................................................. 5
4.1 D A
IRECT TTACHMENT TO
4.2 S M
USPENSION ETHOD
4.3 A S
LTERNATIVE USPENSION
4.4 U P B
SING RECAST RIQUETTES
4.5 C S
ABLE PLICING AND
4.6 L P
IGHTNING ROTECTION
5. TAKING READINGS .................................................................................................................................................... 11
5.1 GK-404 R B
EADOUT
5.1.1 Operating the GK-404 ....................................................................................................................................... 11
5.2 GK-405 R B
EADOUT
5.2.1 Connecting Sensors ............................................................................................................................................ 12
5.2.2 Operating the GK-405 ....................................................................................................................................... 12
5.3 GK-403 R B
EADOUT
5.3.1 Connecting Sensors ............................................................................................................................................ 13
5.3.2 Operating the GK-403 ....................................................................................................................................... 13
5.4 E S
MBEDMENT TRAIN
5.5 M T
EASURING EMPERATURES
6. DATA REDUCTION ...................................................................................................................................................... 15
6.1 R B P
EADOUT OX OSITION
6.2 R B P
EADOUT OX OSITION
6.3 R B P
EADOUT OX OSITIONS
6.4 S R
TRAIN ESOLUTION
6.5 T C
EMPERATURE ORRECTIONS
6.6 S E
HRINKAGE FFECTS
6.7 C E ........................................................................................................................................................... 19
REEP FFECTS
6.8 E A
FFECT OF UTOGENOUS
6.9 C S
ONVERTING TRAIN TO
6.10 E M
FFECTIVE ODULUS
7. TROUBLESHOOTING ................................................................................................................................................. 20
APPENDIX A. SPECIFICATIONS .................................................................................................................................. 22
A.1 T .............................................................................................................................................................. 22
HERMISTOR
A.2 S G ............................................................................................................................................................. 22
TRAIN AGE
APPENDIX B. THEORY OF OPERATION ................................................................................................................... 23
APPENDIX C. THERMISTOR TEMPERATURE DERIVATION .............................................................................. 26
APPENDIX D. HIGH TEMPERATURE THERMISTOR LINEARIZATION ........................................................... 27
APPENDIX E. NO STRESS-STRAIN ENCLOSURE. ................................................................................................... 28
APPENDIX F. MODEL 4200HT-T HIGH TEMPERATURE STRAIN GAGE .......................................................... 29
APPENDIX G. MEASUREMENT AND CORRECTION OF TEMPERATURE EFFECTS ..................................... 30

TABLE of CONTENTS

4200 D R
TO THE ESIRED ANGE
....................................................................................................................................... 4
SSEMBLY
.................................................................................................................................................... 5
R .................................................................................................................................. 6
EBAR
................................................................................................................................................... 7
M ............................................................................................................................ 8
ETHOD
, S ,
HOTCRETE OR
T ............................................................................................................................. 9
ERMINATION
............................................................................................................................................... 9
.............................................................................................................................................. 11
OX
.............................................................................................................................................. 12
OX
(O M ) ............................................................................................................. 13
OX BSOLETE ODEL
G R P
AGE EADOUT OSITIONS
...................................................................................................................................... 14
A ......................................................................................................................................... 15
B ......................................................................................................................................... 15
D & E ................................................................................................................................ 16
................................................................................................................................................... 16
..................................................................................................................................... 16
.................................................................................................................................................. 18
G ............................................................................................................................. 19
ROWTH
L ................................................................................................................................... 19
OAD
............................................................................................................................................... 19
........................................................................................................ 4
G ............................................................................................ 8
ROUTING
....................................................................................................... 13