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2009-10-13_REPORT - C1996083
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2009-10-13_REPORT - C1996083
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Last modified
8/24/2016 3:56:08 PM
Creation date
10/13/2009 1:35:20 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1996083
IBM Index Class Name
REPORT
Doc Date
10/13/2009
Doc Name
3rd Quarter 2009 Wastebank Inspection Report
From
J.E. Stover & Associates, Inc
To
DRMS
Permit Index Doc Type
Waste Pile/Fill Report
Email Name
JJD
Media Type
D
Archive
No
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Figure 2. <br />A cut-away section of inclinometer casing shows the two <br />sets of diametrically-opposed grooves. One pair of grooves <br />is aligned with the slope movement while the remaining <br />pair is aligned perpendicular to the slope movement. A <br />profile view of the various sizes of inclinometer rasing is <br />shown behind the section (image courtesy of Durham Geo <br />Slope Indicator). <br />Once the inclinometer grout has set (after several days), the entity <br />responsible for monitoring the inclinometer will first take a "baseline" <br />reading, which will record the position of the inclinometer at discrete <br />points along its length. Typically, the measurements are taken at two- <br />foot intervals. <br />The inclinometer probe is a two-foot long narrow shaft with two sets of <br />wheels at each end that track along the grooves inside the casing. An <br />accelerometer mounted within the probe measures the tilt of the probe <br />(and hence casing) in the plane of the wheels at each measurement <br />interval, while a second accelerometer measures the tilt of the probe <br />perpendicular to the plane of the wheels. This is shown graphically in <br />Figure 3 below. From this data, the in-ground shape of the inclinometer <br />casing can be plotted. <br />Figure 3. , <br />A cutaway view of the inclinometer probe traversing a section of <br />the inclinometer casing. The wheels lock into the grooves cut into <br />the casing. At each location where a measurement is taken, the <br />probe inclinations parallel and perpendicular to the plane of the n • ._ <br />wheels are recorded digitally (image courtesy of Durham Geo Xsine11 7 <br />Slope Indicator). <br />ii <br />Angie of Ii,i !, i, <br />Inclinometers GEOTECH <br />Page 2 of 5
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