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Technical Report Documentation Page
CA-HWY-MR-642114(2)72-19
1. REPORT No. 2. GOVERNMENT ACCESSION No. 3. RECIPIENT'S CATALOG No.
Settlement Study At Bridge Approaches
4. TITLE AND SUBTITLE
April 1972
5. REPORT DATE
6. PERFORMING ORGANIZATION
Zeiler, Ben; Kleiman, William F.; Smith, Travis; Hirsch, Albin
D.
7. AUTHOR(S)
CA-HWY-MR-642114(2)72-19
8. PERFORMING ORGANIZATION REPORT No.
State of California
Department of Public Works
Division of Highways
Materials and Research Department
9. PERFORMING ORGANIZATION NAME AND ADDRESS 10. WORK UNIT No.
11. CONTRACT OR GRANT No.
12. SPONSORING AGENCY NAME AND ADDRESS Final Report
13. TYPE OF REPORT & PERIOD COVERED
14. SPONSORING AGENCY CODE
15. SUPPLEMENTARY NOTES
Excessive differential settlement of the road surface at bridge abutments creates a driving hazard and often requires periodic
maintenance work. Over 900 field settlement records of approach embankments to structures located throughout California we
collected for analysis. A major portion of the correlational work was accomplished by optical coincidence methods. Settlement
log-time plots were prepared and pertinent soil test data affixed to each plot. Only recorded settlements of the foundation soil o0.20 ft or greater were included in this study. Variables relating time-settlement characteristics to different soil types were anal
Soil information was limited to sample borings and penetrometer data. Actual and contract waiting periods were analyzed in
conjunction with surcharge data. Benefits of surcharge vs. nonsurge data are described.
The failure to find detectable correlation between soil data and other parameters forced the researchers to abandon further wo
this project.
16. ABSTRACT
Settlements, differential settlement, bridge abutements. approach embankments, settlement rate, field measurements, approa
embankments, settlement rate, field measurements, correlations, data processing
17. KEYWORDS
40
18. No. OF PAGES:
http://www.dot.ca.gov/hq/research/researchreports/1972/72-19.pdf
19. DRI WEBSITE LINK
This page was created to provide searchable keywords and abstract text for older scanned research reports.
November 2005, Division of Research and Innovation
72-19.pdf
20. FILE NAME
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