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标题:BS6853 Annex D Smoke density testing_BS6853
正文:
1. Standard- BS6853 Annex D BS6853 Annex D: Methods for measuring smoke densityBS6853:1999 Code of practice for fire precautions in the design and construction of passenger carrying trains.2. Standard Brief-BS6853 Annex DThe smoke density measurement taken from a material under fire conditions gives an indication of the visibility through the smoke, this is important as reduced visibility in a real fire situation makes it more difficult to escape from a fire hence increasing the threat to human life from the toxic gases, flames and heat.There are five different test methods which can be utilized to determine the smoke density produced from materials to be placed on passenger carrying trains in the UK.The five different methods are as follows:BS6853 Annex D.8.3—smoke density test using small scale test methodBS6853 Annex D.8.4—smoke density test using Panel test methodBS6853 Annex D.8.5—smoke density test using seat test methodBS6853 Annex D.8.6—smoke density tes
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