Table Of Contents - Geokon 4911A Installation Manual

1. INTRODUCTION .................................................................................................................................................. 1
2. INSTALLATION .................................................................................................................................................... 2
2.1. P T
RELIMINARY ESTS
2.2. R S M
EBAR TRAIN
2.2.1. Model 4911A ........................................................................................................................................... 2
2.2.2. Model 4911 "Sister Bar" ........................................................................................................................ 3
2.3. C I
ABLE NSTALLATION
3. TAKING READINGS ............................................................................................................................................ 5
3.1. O
PERATION OF THE
3.2 O
PERATION OF THE
3.3 O
PERATION OF THE
F
OR FURTHER DETAILS CONSULT THE
3.4. M T
EASURING EMPERATURES
4. DATA REDUCTION .............................................................................................................................................. 7
4.1. S C
TRAIN ALCULATION
4.2. T C
EMPERATURE ORRECTION
T
HE STRAIN CORRECTED FOR TEMPERATURE
N
OTE THAT THE ACTUAL STRAIN
ACTUALLY UNDERGONE BY THE CONCRETE IS GIVEN BY THE EXPRESSION
4.3. E
NVIRONMENTAL
4.4. S E
HRINKAGE FFECTS
4.5. C S
ONVERTING TRAINS TO
5. TROUBLESHOOTING ....................................................................................................................................... 11
APPENDIX A - SPECIFICATIONS ...................................................................................................................... 12
A.1. R S M
EBAR TRAIN
A.2 T (
HERMISTOR SEE
APPENDIX B - THERMISTOR TEMPERATURE DERIVATION ................................................................... 13
APPENDIX C - DERIVING THE CALIBRATION FACTOR, C, FROM THE TEST DATA ........................ 14

TABLE of CONTENTS

........................................................................................................................................... 2
I ............................................................................................................... 2
ETER NSTALLATION
........................................................................................................................................ 5
GK-403 R B
EADOUT OX
GK404 R B
EADOUT OX
GK405 R B
EADOUT OX
GK405 I
NSTRUCTION
............................................................................................................................. 7
....................................................................................................................................... 7
.............................................................................................................................. 8
( .
I
,
THE ONE THAT COULD BE MEASURED WITH A TAPE MEASURE
F ................................................................................................................................ 9
ACTORS
.......................................................................................................................................... 9
L ....................................................................................................................... 9
OADS
................................................................................................................................... 12
ETERS
A B ) .............................................................................................................. 12
PPENDIX ALSO
...................................................................................................... 5
........................................................................................................ 5
........................................................................................................ 6
M ...................................................................... 6
ANUAL
.
E DUE TO LOAD CHANGES ONLY
Page
) ..................................................... 8
, .
I E THE STRAIN
................................................................ 8