Design and Construction of Multiple Seal Coats

Details

• Creators:
  Estakhri, Cindy K. ; Gonzalez, Miguel A.
• Corporate Creators:
  Texas Transportation Institute. Texas A&M University
• Corporate Contributors:
  Texas State Department of Highways and Public Transportation ; United States. Department of Transportation. Federal Highway Administration
• Subject/TRT Terms:
  Aggregates Bituminous Binders Chip Seals Construction Design Standards Field Tests Guidelines Literature Reviews Performance Seal Coats Surface Treating

  More +
• Publication/ Report Number:
  FHWA/TX-88/448-lF
• Resource Type:
  Tech Report
• Geographical Coverage:
  Texas ; United States
• Edition:
  Final - September 1985 - August 1988
• Corporate Publisher:
  Texas Transportation Institute. Texas A&M University
• Abstract:
  The primary objectives of this study were to establish design and construction guidelines for multiple seal coats for the Texas State Department of Highways and Public Transportation. A multiple seal coat is a bituminous surface that results from two or more successive alternating applications of bituminous binder and cover aggregate to an existing paved surface, usually with the smaller aggregate sizes used in each successive layer. From a thorough review of the literature, it was concluded that the key to executing an effective design for multiple seal coats was in the ability to measure the available void space in multiple stone layers that could be filled with binder. A design method developed by the NITRR of South Africa which included a test procedure (Modified Tray Test) for measuring the void content and effective thickness of a stone layer was chosen for further field and laboratory investigation.
• Format:
  PDF
• Funding:
  2-9-85-448
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha-512:e29c620cc4293b8e13e426c59e41b2c48eaad00a77a5da8f66946562f48e687682ff5aae3bd9641a8b55008b7a1965bef56886b30383e51502761f4cebf19129
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/84972/dot_84972_DS1.pdf
• File Type:
  [PDF - 5.06 MB ]