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It showed that the bromide in the rosin glycerin ester decomposed faster than the ester; hence it may be used as fire-resistant material.
      
Fire-retardant mechanism of fire-retardant FRW by FTIR
      
The structures of the solid state products formed by the partial combustion of Korean pine wood treated with fire-retardant FRW were analyzed by microscopic FTIR.
      
The pyrolytic and charring process, the effects of fire-retardant, and the structural characteristics of the pyrolytic products were discussed.
      
Pyrolytic characteristics of burning residue of fire-retardant wood
      
In order to investigate the pyrolytic characteristics of the burning residue of fire-retardant wood, a multifunctional fire-resistance test oven aimed at simulating the course of a fire was used to burn fire-retardant wood and untreated wood.
      
The results showed that: 1) there was little difference between fire-retardant wood and its residue in the initial temperature of thermal degradation.
      
The rate of weight loss also decreased sharply; 5) the residual weight of fire-retardant wood at 600°C clearly increased compared with that of untreated wood.
      
The risk of forest fire disasters should be faced and dealt with for forest fires cannot be avoided.
      
Treating forest fire disasters as a risk management issue promotes important measures and methods for fire fighters to prevent, reduce and control the risks of forest fires.
      
In this paper, the risk concept and risk connotation as well as the management risks for forest fire suppression are discussed clearly.
      
Historical forest fire records from Alaska State (1950-2000), California State (1895-2001), USA and Heilongjiang Province (1980-1999), China were used to calculate the longitude and latitude of the annual burned area's centroids for these regions.
      
The mechanical property of prestressing steel wire during and after heating is the key factor in the design of fire resistance and after-fire damage evaluation of prestressed structures.
      
All can serve as basic data for the analysis of fire resistance and after-fire damage evaluation of pre-stressed structures.
      
Experimental study on fire protection methods of reinforced concrete beams strengthened with carbon fiber reinforced polymer
      
In this paper, two reinforced concrete (RC) beams strengthened with carbon fiber reinforced polymer (CFRP) and attached with thick-painted fire resistant coating were tested for fire resistance following the standard fire testing procedures.
      
The experimental results show that the specimen pasted with the insulated layer of 50 mm in thickness could resist fire for 2.5 h.
      
Population changes of oribatid mites were studied in a bilberry-moss spruce stand and shrub-peat moss pine stand caused by ground fire.
      
The fire resulted in a drop of population density and changes in the species composition of mites in both forest types.
      
In the case of the spruce stand, the restoration of species composition proceeded parallel to the formation of a bilberry-moss cover and litter and became distinct four years after the fire.
      
 

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