Measurement of Soil Thermal Resistivity

by James K. Mitchell, (F.ASCE), Prof. of Civ. Engrg.; Univ. of California, Berkeley, Calif.,
Tsung C. Kao, Asst. Research Engr.; Dept. of Civ. Engrg., Univ. of California, Berkeley, Calif.,

Serial Information: Journal of the Geotechnical Engineering Division, 1978, Vol. 104, Issue 10, Pg. 1307-1320

Document Type: Journal Paper

Errata: (See full record)
Errata: (See full record)

Abstract: Of several available methods for the measurement of the thermal resistivity of soils, the thermal needle method and the Shannon and Wells method are considered most suitable, because of their relative simplicity and the short measurement time required. The thermal needle method is the simpler of the two, and it offers the added advantage that knowledge of the specific heat of the soil is not required for calculation of the thermal resistivity from the test data. A special thermal needle design and simple test procedures have been developed which make possible the determination of thermal resistivity in both the radial and axial directions and the specific heat for a given sample.

Subject Headings: Thermal properties | Soil tests | Field tests | Radiation |

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