Remote Health Monitoring for Asset Management

Figure 5.9. Satellite photograph of the location of the test site where the prototype pile will be
installed. ........................................................................................................................................ 34
Figure 5.10. Schematic diagram of wireless data connection for remote monitoring of test pile.
....................................................................................................................................................... 35
Figure 5.11. Schematic diagram of prototype test pile. ............................................................... 36
Figure 5.12. Photograph of Stealth computer used for data acquisition from temperature sensors.
....................................................................................................................................................... 37
Figure 5.13. Photograph of the test pile installation at Hinkson Creek. ...................................... 38
Figure 5.14. Temperature profile along the test pile for high, low and initial air temperatures. .. 39
Figure 5.15. Schematic diagram of test pile showing locations where heat was applied (top) and
resulting temperature measurements along sensor array. ............................................................. 40
Figure 5.16. Standard deviation of temperature outputs for three time intervals: 24 hr. period,
average of 24 hr. periods for 7 days, and standard deviation over a 7 day period. ....................... 41
Figure 5.17. Standard deviation of temperature data from sensors along the height of the pile.
Plot shows the average 24 hr. standard deviation for 7 days, and error bars showing the
dispersion (standard deviation) of the results. .............................................................................. 42
Figure 5.18. Plot showing temperature variations along the pile as a function of time over 15
days. .............................................................................................................................................. 43
Figure 5.19. 3-D plots of plots of pile temperature profiles showing local heating at air/soil
interface. ........................................................................................................................................ 44
Figure 5.20. Screen capture from the test pile web site showing A) homepage and B) historical
data. ............................................................................................................................................... 46
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