Accession Number : ADA322268

Title :   Frost Shielding Protection of a Water Line, Berlin, New Hampshire.

Descriptive Note : Special rept.,

Corporate Author : COLD REGIONS RESEARCH AND ENGINEERING LAB HANOVER NH

Personal Author(s) : Coutermash, Barry A.

PDF Url : ADA322268

Report Date : JAN 1997

Pagination or Media Count : 22

Abstract : The standard practice at burying water and sewer lines beneath the frost line in cold regions can be expensive when ledge or other difficult material is within the burial depth. If the pipeline can be buried at a shallower depth and still be protected from freezing, a significant savings in excavation costs can be realized. A finite element (FE) program was developed to predict frost penetration depth around buried utility pipelines. The program was used to design and assess the feasibility of various insulation configurations around a water line buried within the frost-susceptible depth in Berlin, New Hampshire. Extensive temperature monitoring was performed to evaluate both the insulation design and the prediction accuracy of the FE program. The first-year results are very promising, showing good accuracy between the FE results and actual temperatures. used to design and assess the feasibility of various insulation configurations around a water line buried within the frost susceptible depth in Berlin, New Hampshire. Extensive temperature monitoring was performed to evaluate both the insulation design and the prediction accuracy of the FE program. The first year results are very promising, showing good accuracy between the FE results and actual temperatures.

Descriptors :   *FINITE ELEMENT ANALYSIS, *WATER PIPES, *THERMAL INSULATION, MONITORING, INSULATION, COLD REGIONS, PENETRATION, FREEZING, CONFIGURATIONS, PROTECTION, PIPELINES, FROST, BURIED OBJECTS, PUBLIC UTILITIES, SEWERS, NEW HAMPSHIRE.

Subject Categories : Civil Engineering
      Snow, Ice and Permafrost

Distribution Statement : APPROVED FOR PUBLIC RELEASE