研究报告专论2023年2月第50卷第2期doi:10.3969/j.issn.1001-5922.2023.02.011Vol.50No.02,Feb.2023收稿日期:2022-01-19;修回日期:2023-01-29作者简介:马晓宁(1987-),女,硕士,讲师,研究方向:结构工程等;E-mail:xning870@126.com。引文格式:马晓宁.钢混构件在不同温差参数下的极限粘接强度测试研究[J].粘接,2023,50(2):44-48.钢混构件在不同温差参数下的极限粘接强度测试研究马晓宁(榆林职业技术学院,陕西榆林719000)摘要:研究了温度、高温持续时间和再生骨料取代率对钢混凝土构件粘接性能的影响。结果表明,钢混凝土构件的极限荷载会随着温度升高、时间延长、再生骨料取代率增大、混凝土强度级别提升和锚固长度增加而逐渐增大;随着钢混构件所受温度、经历高温时间、再生骨料取代率、混凝土强度等级和锚固长度的增加,钢混凝土构件的极限粘接强度会呈现逐渐增大的趋势。建立了钢混凝土构件的极限粘接强度与所受温度、经历高温时间、再生骨料取代率之间关系表达式,由此可得任意参数下钢混凝土构件的极限粘接强度。关键词:钢管混凝土;取代率;温度;时间;粘接强度中图分类号:TG494.7文献标志码:A文章编号:1001-5922(2023)02-0044-05Experimentalstudyonultimatebondstrengthofsteel-concretemembersunderdifferenttemperatureparametersMAXiaoning(YulinVocationalandTechnicalCollege,Yulin719000,ShaanxiChina)Abstract:Theeffectsoftemperature,durationofhightemperatureandreplacementratioofrecycledaggregateonbondpropertiesofsteelconcretememberswerestudied.Theresultsshowthattheultimateloadofsteel-concretemembersincreaseswiththeincreaseoftemperature,time,replacementrateofrecycledbone,concretestrengthgradeandanchoragelength;theultimatebondstrengthofsteel-concretemembersincreasesgraduallywiththeincreaseoftemperature,high-temperaturetime,recycledaggregatereplacementrate,concretestrengthgradeandanchoragelength.Therelationshipbetweenultimatebondstrengthandtemperature,timeofhightemperatureandreplacementrateofrecycledaggregateisestablished.Theultimatebondstrengthofsteelconcretememberswithanyparameterscanbeobtainedandappliedtoindustrialproduction.Keywords:concretefilledsteeltube;substitutionrate;temperature;time;bondstrength随着近年来城镇化进程和建筑行...