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Contents
Section 1 :
Overview ....................................................................................................................................... 3
Section 2 :
Installation Techniques ........................................................................................................... 5
2.01
2.02
2.03
2.04
2.05
Section 3 :
3.01
3.02
3.03
3.04
Section 4 :
4.01
4.02
Section 5 :
5.01
5.02
Section 6 :
6.01
6.02
User Manual
Borehole preparation .................................................................................................................... 5
Grouting/Backfilling ...................................................................................................................... 5
Instrument Preparation ................................................................................................................ 6
Additional preparation for pre-located Spider Magnets ........................................................ 9
Additional preparation for Flexible Sleeved installations .................................................... 11
Instrument Installation. ....................................................................................................... 13
Safety ............................................................................................................................................. 13
Installation .................................................................................................................................... 13
Additional installation techniques for pre-located Spider Magnets .................................. 15
Additional installation techniques for Flexible Sleeved instruments ................................ 16
Extension of the Magnetic Extensometer through fill ............................................... 17
Access tube extension ................................................................................................................ 17
Installation of Plate Magnets..................................................................................................... 18
Reading procedure .................................................................................................................. 19
Taking Readings .......................................................................................................................... 19
Data Reduction............................................................................................................................. 19
Maintenance and Troubleshooting .................................................................................... 20
Maintenance.................................................................................................................................. 20
Troubleshooting ........................................................................................................................... 21
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