叠合构件结合面缺陷对其受力性能的影响研究

打开文本图片集

中图分类号：TU317 文献标志码：A 文章编号：2095-2945（2026）03-0052-04

Abstract：Compositemembersareanimportantpartof prefabricatedbuildings，and thequalityof theirjointsurfacesdirectly affectstheoverallmechanicalperformanceofthemembers.Inthispaper，fivecompositeflorswithdiferentdefectproportions anddistributionarestudiedthroughindorsimplysupportedstaticloadtests，andtheefectofjointsurfacedefectsontheir mechanicalpropertiessuchascracking，deflectionanddeformationisanalyzed.Theresearchresultsshowthatjointsurface defectscansignificantlyreducethebearingcapacityofthecompositeflor，andthatthecloserthedefectistothepoitwhere the bending moment is greatest，the greater the impact.

Keywords： laminated member; joint surface defect；mechanical performance;static load test；cracking;deflection

叠合面作为预制构件与现浇混凝土的结合部位，其结合质量的好坏直接决定了叠合构件的整体受力性能。（剩余3926字）