银杏重组木力学物理性能试验及其机理分析与评价

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中图分类号:S781.29 文献标志码:A 文章编号:1673-923X(2025)09-0218-17
Abstract:【Objective】Reconstitutedwoodisahighlypromisingandexcelent green wood-based material.Throughsystematic physicalndmechanicalpformancetestingofinkgecostitutedwood,compaingitspeformancedifereceswithcostiuted bambooandlamnatedveneerumber,ndconductingmechanisticaalysisoffailuremorphologythisstudyexplorestheaplication potentialofginkgoreconstitutedwoodinthetimberstructureindustry.【Method】Thisstudyconductedphysicalandmechanical propertytestsonginkgoreconstructedwoodproductsaccordingtothemethodsforphyicalandchemicalpropertiesoftifcialboards anddecorativeartfcialboardsandthestandardforecostructedbamboo.Thestudydeterinedtetestvaluesoftheproductsdsity moistureoetelitedousitygtiluisiletl asitscompresnouusoflasticitydmpressiostrgthddctedeveleauatiofispfoaeparaessed onthetestresults.Testudyalsoonductedamechanismanalysisofthetestresultsandfailuremorphologytocomparetephysicaland mechanicalpropertiesofinkgoreconstructedwoodwiththoseofreconstructedbamboandplywood.【Result】Themainconclusions showthatthetestvaluesoftheproduct'smechanicalpropertiesallmttherequirementsofGB/40247-1forreconstructedbamboo products,withaswelingrateofW2.0grade;theshearstrengthoftheproduct’shorizontalcutis65V-55Hgradeaccordingto GB/T 20241-2021 forplywood;thebendingstrengthand modulusofelasticityareboth12OE.Throughcomputationalanalysisusingfinite elementsoftware,acomparativeanalysiswasconductedonreconstitutedwoodandfastgrowingpoplarLVL.Conclusion】Asaovel wood-based materialeconstructedoodexibitsexcelentmechanicalpropetsthatntonlyttheperfomancereqirntsof relevantstandardsbutalsosurpassthoseofsomeexistingwoodstructuralmaterials.Throughmechanisticanalysisoffracturesurfaces, itanbecocludedtattemehanicalpropesofreconstructedwoodarestronglycoelatedwithadesiveapcationquanityand uniformity.Therefore,futureresearchshouldfocusonterelationshipbetwenitsmechanicalperformanceandadhesiveapplication proceses.Theabovefindingsareofpracticalsignificanceforenhancingthecurentdesignandproductiontechnologyofreconstructed woodaswellasoigitsspadioiscsbcteosgdtdg Keywords:ginkgoreconstructed wood;physicalandmechanicalproperties;testing;mechanismanalysis;evaluation
木材作为传统的材料,一直为人类所利用。(剩余19249字)