单面受火桁架式多腔体钢板组合剪力墙抗火性能试验研究  

EXPERIMENTAL RESEARCH ON FIRE RESISTANCE OF DOUBLE-SKIN MULTI-CAVITY COMPOSITE WALL WITH STEEL TRUSS EXPOSED TO ONE-SIDE FIRE

作　　者：杜二峰[1] 周雄亮 秦乐 何云飞 舒赣平[1] 周观根 DU Erfeng;ZHOU Xiongliang;QIN Le;HE Yunfei;SHU Ganping;ZHOU Guangen(School of Civil Engineering,Southeast University,Nanjing 211189,China;Zhejiang Southeast Space Frame Company Limited,Hangzhou 311209,China)

机构地区：[1]东南大学土木工程学院,南京211189 [2]浙江东南网架股份有限公司,杭州311209

出　　处：《工业建筑》2020年第3期24-28,共5页Industrial Construction

基　　金：“十三五”国家重点研发计划项目(2017YFC0703802);国家自然科学基金青年科学基金项目(51808117);中央高校基本科研业务费专项资金资助项目(2242019K40068)。

摘　　要：为研究桁架式多腔体钢板组合剪力墙的抗火性能,对2榀墙体开展了ISO-834标准升温条件下单面受火试验,墙体分别为无防火保护和采用厚20 mm的厚涂型防火涂料保护,试验结果表明:1)无防火保护的墙体因丧失隔热性而达到耐火极限;2)厚涂型防火涂料厚度对墙体的耐火极限影响显著,有防火保护的墙体耐火极限可达180 min以上,比无防火保护的墙体提高至少1倍。In order to investigate the fire resistance of double-skin multi-cavity composite wall with steel truss,two specimens were tested exposed to one-side ISO-834 standard fire. A specimen was unprotected and the other was protected by thick coated fireproof coating with a thickness of 20 mm. The test results indicated that: 1) the bare specimen reached the fire resistance limit due to the failure of thermal insulation;2) the thickness of fireproof coating had a significant effect on the fire resistance limit. The specimen with fire protection had a fire resistance limit of more than 180 minutes which was at least twice as long as the specimen without fire protection.

关 键 词：桁架式多腔体钢板组合剪力墙 抗火试验 温度 位移 耐火极限 

分 类 号：TU398.2[建筑科学—结构工程] TU352.5