GBT161731996建筑材料燃烧或热解发言量的测定方法双室法

GB/T161731996Testmethodforsmokegenerationfromburningorpyrolysisofbuildingmaterials(dual-chambertest)ISO/DIS5924——1991170mm22.1exposedsurface2.2DsmokedensityI0ITD=10100/TT=(I/I0)1002.3DmmaximumsmokedensityDDmDmtms2.4DmmmeanmaximumsmokedensityDmDmmtmtmms2.5DhmhighestmeanmaximumsmokedensityDmmDhm2.6(Dr)residualsmokedensityDr2.7W1masslossW1g2.8WmmeanmasslossW1Wmg2.9ignition1996-03-051996-09-01GB/T161731996t1s2.10irradiancekW/m21020304050kW/m22.11constantmass24h0.10.1g2.12specimen2.13wrappedspecimen12.14airgapmm05120−70mm33.13.1.1a.1mmb.150mm10mmab3.1.23.1.370mm70mmmm0370−3.1.43.23.2.125mm05165−mm05165−70mm3.2.26mmGB/T161731996825125kg/m33.2.323250524h3.30.02mm140mm144.1ISO24.1.118mm31500mm600mm1300mm250mm150mm150mm100mm150Pa550mm150mm4.1.2218mm600mm325mm1150mm1300mm300mm100mm0.02mm540mm540mm4.25A4.2.1275mm230mm30mm16mm4mm220mm150mm454.2.2380mm16mmGB/T1617319964.2.34mm180mm148mm12mm140mm6mm202N4.2.4260mm3kg202N4.2.541mm10mm100kg/m3661mm2003mm751mm1mm10mm2mm3500mm8.5mm3kW10221mm1050kW/50mm350100mm564.2.684.374.3.1285630K1015W25mm7a7b4.3.2400750nm2.57bGB/T1617319964.3.362mL/s4.44.5825125kg/m320050kg/m394.64.6.1DWK-7023.5kW0.160120054.6.2CR5-2-100100kW/0.5kW/4.6.3AD/DA4.6.44.6.51h0.01s0.24.6.62000g0.1g0.255.15.1.1010055.1.201005.25.2.11050kW/4.2.55.2.2GB/T1617319965min55.2.3150h30kW/0.6kW/66.1536.26.2.1202N6.2.26.2.36.2.410min6.2.55min6.2.66.2.76.2.66.2.720s6.2.820min6.3tite6.430s6.5Wi6.66.2.56.2.777.17.27.37.4GB/T1617319967.5C121-2-3-4-5-6-7-8-GB/T161731996345GB/T161731996671-2-3-4-GB/T1617319967a7bGB/T16173199689GB/T161731996AA1ISO/DIS5924A.2A.5.4A.50kW/ISO5657A2A1A11-2-3-4-5-6-7-8-GB/T161731996A2.11920mL/min160180mL/min101mm4+0.4s0.5s10.1s0.10.2NA2.212mm151mmA36.2.16.2.6A3.1A3.26.2.7A4CBn30t95Dm281P{(x1x2xn)−θ(x1x2xn)}=1−xnStan-11−−θθnStxa±−θ1211)1()(−=−−=∑nxxSniGB/T161731996nSta∆100×∆−x1001aCGB(mm):/g/mm2kW/1020304050Dmm-DmtmmsWmgtiisteesDhmABCD