Building research translation. Weak thermal points or thermal bridges / J. Berthier.

Uniformity of temperature on the internal face is one of the essential hygrothermal qualities for a wall. Cold bridges, which are the cause of uneven temperature, constitute a weakness which ought to be corrected. This report describes a large number of tests carried out with various types of wall,...

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Online Access: Search for the full-text version of this title in HathiTrust
Main Author: Berthier, J.
Corporate Authors: National Science Library (Canada), Centre scientifique et technique du bâtiment (France), United States. National Bureau of Standards
Other title:Weak thermal points or thermal bridges.
Format: Government Document Book
Language:English
French
Published: [Washington, D.C.] : National Bureau of Standards, 1973.
Series:NBS technical note ; 710-7.
Subjects:

MARC

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246 3 0 |a Weak thermal points or thermal bridges. 
264 1 |a [Washington, D.C.] :  |b National Bureau of Standards,  |c 1973. 
300 |a iii, 91 pages :  |b illustrations ;  |c 26 cm. 
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490 1 |a NBS technical note ;  |v 710-7. 
500 |a Translated from the French by National Science Library, National Research Council, Ottawa. 
500 |a May 1973. 
504 |a Includes bibliographical references (page 59) 
505 0 |a Introduction -- Part I. Qualitative approach to the problem by semi-natural tests ; Principle of semi-natural tests -- Test results -- Part II. Quantitative study : artificial tests ; Characteristics of a thermal bridge -- Heavy walls -- Results -- Part III. Theoretical considerations : practical rules ; Theoretical considerations -- Supplementary hypotheses -- Part IV. Practical rules : conclusion ; Conclusion -- Appendix. Effect of thermal bridges on the overall U-value. 
500 |a GPO Historic Shelflist Project- publication not in hand. 
520 |a Uniformity of temperature on the internal face is one of the essential hygrothermal qualities for a wall. Cold bridges, which are the cause of uneven temperature, constitute a weakness which ought to be corrected. This report describes a large number of tests carried out with various types of wall, in order to assess the importance of cold bridges and to determine the effectiveness of possible remedies. It shows that the accepted theory used in the calculation of U-coefficients is unsatisfactory when estimating surface temperatures. 
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