路面密封胶低温拉力试验机一、试验方法JT/T 740-2015路面加热型密封胶hot-pouredsealants for pavement二、试验目的2.test purpose路面密封胶拉力试验机用于测试沥青路面裂缝修补和水泥路面填缝用加热型改性沥青封缝材料的抗拉试验。三、密封胶分类密封胶分为高温型、普通型、低温型、寒冷型和严寒型5类,分别适用于最低气温不低于0℃,-10℃,-20℃,-30℃,-40℃的地区。四、密封胶的低温拉伸技术要求性能指标高温型普通型低温型寒冷型严寒型低温拉伸a0℃,25%,3次循环,通过-10℃,50%,3次循环,通过-20℃,100%,3次循环,通过-30℃,150%,
Pavement sealants low temperature tensile testing machine1. test methodJT/T 740-2015 hot-poured sealants forpavement2.test purposeThe pavement sealants low temperaturetensile testing machine is to measure and determine tension properties ofhot-applied sealant for crack repairing on asphalt road and fill in the crackson cement pavement3.type of sealantsThe pavement sealants can be classified tobe high temperature type, normal temperature type,low temperature type,coldtemperature type and severe c
人造石弯曲性能试验机一、试验简介1.试验方法JC/T 908-2013(2017) 人造石artificial stoneGB/T3810.4-2016 陶瓷砖试验方法第4部分:断裂模数和破坏强度的测定test methods of ceramic tiles---part 4: determination of modulus of rupture and breaking strengthISO 10545-4:2014 ceramic tiles---part 4:determination of modulus of rupture and breaking strength,IDTGB/T2567-2008树指浇铸体性能试验方法test method for properties of resin casting body2.各种人造石弯曲性能要求:实体面材的弯曲强度不小于40Mpa,弯曲弹性模量不小于