The use of lithium to prevent or mitigate alkali-silica reaction in concrete pavements and structures.

Details

• Creators:
  Thomas, Michael D. A. ; Fournier, Benoit ; Folliard, Kevin J. ; Ideker, Jason H. ; Resendez, Yadhira
• Corporate Creators:
  Transtec Group, Inc.
• Subject/TRT Terms:
  • Alkali silica reactions
  • Reactions in concrete
  • Lithium
  • Fresh concrete
  • Hard materials
  • Case studies
  • Laboratory studies
  • Laboratory tests
  • Field tests
  • Field studies
  More +
• Publication/ Report Number:
  FHWA-HRT-06-133
• Resource Type:
  Tech Report
• Geographical Coverage:
  United States
• Edition:
  Final report.
• Corporate Publisher:
  Turner-Fairbank Highway Research Center
• Abstract:
  Alkali-silica reaction (ASR) was first identified as a form of concrete deterioration in the late 1930s ; (Stanton 1940). Approximately 10 years later, it was discovered that lithium compounds can be used to ; control expansion due to ASR. There has recently been increased interest in using lithium technologies to ; both control ASR in new concrete and to retard the reaction in existing ASR-affected structures. ; This facts book provides information on lithium, its origin and properties, and on its applications. The ; mechanism of alkali-silica reaction is discussed together with methods of testing to identify potentially ; alkali-silica reactive aggregates. Traditional methods for minimizing the risk of damaging ASR are ; presented; these include the avoidance of reactive aggregates, controlling the levels of alkali in concrete ; and using supplementary cementing materials such as fly ash, slag and silica fume. The final two sections ; of the facts book discuss the use of lithium, first as an admixture for new concrete construction and second ; as a treatment for existing concrete structures affected by ASR.
  More +
• Format:
  PDF
• Funding:
  DTFH61-02-C-00097
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/774/dot_774_DS1.pdf
• File Type:
  [PDF - 2.80 MB]
• Collection(s):
  Federal Highway Administration
• Main Document Checksum:
  urn:sha-512:8c874e18393d2cd10454f2be7be693e5f08e9bf44cf80fab1417926612ee63348251542c3b2f46b02a37eb2c5b5ad176f7ce2c192ace68f0dd81394bdc3d7839