The National Academies Press

Currently Skimming:

Pages 13-14

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.

From page 13... ... ABSTRACTS AND R E V I E W S 241 since after this time i t is likely that the whole laboratory would be gutted I t is also desirable that any cupboard should be reasonable in cost and should fit m wi th normal laboratory furniture Steere, examimng chemical storage cabmets for fire protection, showed that heat transfer across cabmet walls constructed of 1-in -thick wood was relatively very poor for short periods and recommended such cabinets for the storage of flammable liqmds wi th the volumetric capacity limited to 50 f t ' The Institute of Animal Physiology, Babraham, Cambndge, and the Fire Research Station, Boreham Wood, collaborated m the development of a suitable wooden cupboard Two successive prototypes have been tested to destruction, and this note presents the results of an investigation to examine the performance of the second and final prototype in a spillage fire I t wi l l , of course, be necessary to ensure that such furniture satisfies legal requirements and those of any controlling bodies Wilde, D . Read the entire page →
From page 14... ... 242 F I R E R E S E A R C H No treatment can mdefimtely prevent the burmng of timber; a typical impregnated treatment has been shown to lose its effectiveness after twenty-mmutes' exposure to an exceptionally mtense fire Conclvsions 1 Timber hmngs of roadways are pecuharly susceptible to fire, because the wood IS contmuously distributed 2 The flammabihty of wood depends largely on the type of pyrolysis induced by heating Maximum flammabihty results when pyrolysis is rapid, and produces maximum evolution of tar vapour 3 There is evidence that impregnated fire-retardant treatment for wood modifies the chemical processes during pyrolysis of wood, to produce a slow endothermic pyrolysis This results m increased formation of char, which is retamed within the wood, and in enhanced evolution of incombustible gases and vapours 4 Fire-retardant surface coatings for mine timber are based on the prmciple of providing a practicable, stable barrier between wood and the atmosphere surrounding i t 5. As a basis for estabhshing testing methods, i t is suggested that a fire-retardant treatment for miiung timber should prevent, or greatly delay, the igmtion of timber by moderate sized locahzed sources wi th radiation mtensity of not less than 30 kW/m* Read the entire page →

From page 13...

... ABSTRACTS AND R E V I E W S 241 since after this time i t is likely that the whole laboratory would be gutted I t is also desirable that any cupboard should be reasonable in cost and should fit m wi th normal laboratory furniture Steere, examimng chemical storage cabmets for fire protection, showed that heat transfer across cabmet walls constructed of 1-in -thick wood was relatively very poor for short periods and recommended such cabinets for the storage of flammable liqmds wi th the volumetric capacity limited to 50 f t ' The Institute of Animal Physiology, Babraham, Cambndge, and the Fire Research Station, Boreham Wood, collaborated m the development of a suitable wooden cupboard Two successive prototypes have been tested to destruction, and this note presents the results of an investigation to examine the performance of the second and final prototype in a spillage fire I t wi l l , of course, be necessary to ensure that such furniture satisfies legal requirements and those of any controlling bodies Wilde, D .

Read the entire page →

From page 14...

... 242 F I R E R E S E A R C H No treatment can mdefimtely prevent the burmng of timber; a typical impregnated treatment has been shown to lose its effectiveness after twenty-mmutes' exposure to an exceptionally mtense fire Conclvsions 1 Timber hmngs of roadways are pecuharly susceptible to fire, because the wood IS contmuously distributed 2 The flammabihty of wood depends largely on the type of pyrolysis induced by heating Maximum flammabihty results when pyrolysis is rapid, and produces maximum evolution of tar vapour 3 There is evidence that impregnated fire-retardant treatment for wood modifies the chemical processes during pyrolysis of wood, to produce a slow endothermic pyrolysis This results m increased formation of char, which is retamed within the wood, and in enhanced evolution of incombustible gases and vapours 4 Fire-retardant surface coatings for mine timber are based on the prmciple of providing a practicable, stable barrier between wood and the atmosphere surrounding i t 5. As a basis for estabhshing testing methods, i t is suggested that a fire-retardant treatment for miiung timber should prevent, or greatly delay, the igmtion of timber by moderate sized locahzed sources wi th radiation mtensity of not less than 30 kW/m*

Read the entire page →

Key Terms

← Previous Chapter Skim

Next Chapter Skim →

This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
More information on Chapter Skim is available.