Technical Reports

Handbook for Railroad Track Stabilization Using Lime Slurry Pressure Injection

  • 01
  • Apr
  • 1979
AUTHOR: James R. Blacklock, Chris H. Lawson, Richard H. Ledbetter
OFFICE: RPD
REPORT NUMBER: FRA/ORD-77/30
SUBJECT: Environmental Protection
KEYWORDS: Track Maintenance, Roadbed Stabilization, Laboratory Tests
ABSTRACT: This handbook includes chapters dealing with the technology of lime injection, surface and subsurface soil exploration and laboratory testing, environmental considerations and safety precautions. In addition, there are appendices which provide state-of-the-art specifications for lime slurry injection and laboratory soil testing procedures. A lime slurry section gives a complete description of the present state of the art of Lime Slurry Pressure Injection (LSPI). This handbook hopefully will provide the railroad industry with existing information and guidance in the selection and use of the LSPI method of roadbed stabilization. This handbook has been revised by the U. S. Army Engineer Waterways Experiment Station in accordance with recent tests and findings dealing with LSPI soil stabilization. The major revisions are concerned with injection techniques and with field and laboratory testing to evaluate a subgrade soil's potential for dispersal of the injected slurry and improvement of stability by LSPI.
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