Intelligent Soil Compaction Systems (2010) / Chapter Skim
Currently Skimming:
Pages 67-78
The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.
From page 67... ...
c h a p t e r 5 Intelligent systems sense their environment and adapt to improve performance. In the context of current roller technology, IC involves sensing via vibration-based measurement and adapting via feedback control of roller parameters.
|
From page 68... ...
(0.059 in) and limit E vib = 45 MPa imply medium compactive effort and medium soil stiffness.
|
From page 69... ...
x > 30 m in Figure 5.1a. Conversely, a roller MV may decrease with increasing A (termed negative MV-A dependence)
|
From page 70... ...
0 Figure 5.3. Bomag operation with and without feedback control, with Amax = 2.5 mm (0.098 in)
|
From page 71... ...
decrease due to the AFC of A and the positive E vib -A dependence. The resulting variable E vib record is artificial.
|
From page 72... ...
in Table 5.1 for purposes of comparing the final compaction pass uniformity. Compaction curves from spot-test measurement average values from the two test beds show similar trends with no noticeable difference.
|
From page 73... ...
Figure 5.6. Comparison of roller MVs with spot-test measurements from TB CO16 granular base layer (MVs obtained in AFC and constant-amplitude modes)
|
From page 74... ...
Figure 5.8. Comparison of roller MV with spot-test measurements from TB CO17 base layer (AASHTO: A-1-a)
|
From page 75... ...
Figure 5.9. Comparison of roller MV and spot-test measurement compaction curves from TB CO16 (operated in constant-amplitude mode)
|
From page 76... ...
Figure 5.10. Plan and profile views of granular base (TBs MD6, 8, 9, 11, 13, 14)
|
From page 77... ...
Figure 5.11. Roller MV, amplitude, and jump measurements from AFC and manual high- and low-amplitude settings with comparison to EFWD measurements and underlying layer roller MVs.
|
From page 78... ...
Figure 5.12. Roller MV, amplitude, and BV measurements from AFC and manual high- and low-amplitude settings with comparison to EFWD measurements and underlying layer roller MVs.
|
Key Terms
This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
More
information on Chapter Skim is available.