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    In-Situ Geothermal Testing vs. Predictive

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 Success of Predicted Geothermal Properties

 

 

 

Project

Predicted

In-situ Test Results

Thermal Conductivity

(Btu/Hr Ft oF)

Earth Temperature

(oF)

Thermal Conductivity

(Btu/Hr Ft oF)

Earth Temperature

(oF)

Adelphi University

Garden City, NY

1.37

54

1.42

57.4

Lubbock Christian Univ.

Lubbock, TX

1.15

65

1.16

65

Alamogordo High School

Alamogordo, NM

1.01

68.3

0.88

67.6

Laughlin Air Force Base

Del Rio, TX

1.22 – 1.27

74

1.17 – 1.31

78.4

Pittsford Middle School

Pittsford, NY

1.13

54.4

2.06 *

53.8

Konica Minolta

Whitsett, NC

1.31

63

1.41

63

Saffell Street Elementary

Lawrenceburg, KY

1.40

58.8

1.98

62

U.S. Merchant Marine Kings Point, NY

1.16

54.1

1.60

60.8

Kinard Jr. High School

Fort Collins, CO

0.89

57

0.86

58

New Madrid High School

New Madrid, MO

1.33

62.2

1.38

63

Warrenton Jr. High

Warrenton, MO

1.46

57.8

1.58

60.7

 

* High groundwater flow conditions gave rise to the erroneously high thermal conductivity of 2.06.

       Engineers should not assume that high groundwater flow conditions will always be present at the site.

 

 

Know the Geology beneath your feet.

  

Copyright © 2005 R. Sigler

              Contact Information:      Roger Sigler

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