Manual of Rural Wood Preservation.docx

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1、ManualofRuralWoodPreservationMICROFICHEREFERENCE1.IBRARYAprojectofVolunteersinAsiaManualofRuralWoodPreservationPublishedby:EorestProductsResearchCentreOfficeofForestsP.O.Box5055BorokoPaPUaNewGuineaPapercopiesare$250.AvaiIablefrom:EorestProductsResearchCentreOfficeofForestsP.O.Box5055BorokoPaPUaNewGu

2、ineaReproducedbypermissionoftheForestProductsResearchCentre,OfficeofForestslPapuaNewGuinea.Reproductionofthismicrofichedocumentinanyformissubjecttothesamerestrictionsisthoseoftheoriginaldocument.1.P2NDEDITIONJUNE.1975PREFACEPreservativetreatmentofsawntimberbytheDipDiffusionprocesshasbeenanintegralpa

3、rtofthetimberutilisationprograminPaPUaNewGuineaformorethantenyears.Thishasmainbenefitedthesophisticatedurbandweller.Thisbooklet,preparedbytheEorestProductsResearchbranchofmyDepartment,describesmethodsformakingtraditionalbuildingmaterialssuchaspoles,bamboo,etc.,moredurable.Itishopedthat1.ocalGovernme

4、ntCounciIs,Governmentandprivateorganisationsandparticularlytheordinaryvillagerwillfindituseful.TheHonourableBruceJephcott1OKWARDThisisthesecondeditionoftheManualofRuralWoodPreservationandrepresentsarevisedandreducedversionofthe1stedition.ThismanualisintendedforusebypeopleinruralareasofPapuaNewGuinea

5、wheresophisticatedtechniquesforwoodpreservationarenotavailableand/ornotapplicable.Inthe1steditiontheprocessdescriptionswerewrittenbyMrP.1.attey,aCDSOvolunteer,insimplectraight-forwardEnglishforthelayman.Mr1.attey,sstylehasbeenretainedinthissecondedition,butcertainsectionshavebeenrevisedordeletedinth

6、elightofourexperience,c/DepartmentofForests1.2.3.4.5.6.7.8.PHOTOCREDITSIV7ilU1.OFRURA1.WOODPRESERVATIONTAB1.EOFCONTENTSWOODDESTROYINGINSECTSANDFUNGIinsectsTermites1.yctusBeetlesRotBUI1.DINGPRACTICEMATERIA1.ANDUSEPolesWetServiceDryServiceMarineServiceCladdingWoovenBambooShinglesWeatherboardsBUYINGTRE

7、ATEDWOOD.VacuumPressureB.DipDiffusionTREATMENTMETHODSFORRURA1.AREASA.SapReplacementB.OctaborDiffusionforPolesc.C.C.A.soakofBambooD.OctaborDiffusionofBambooE.TheuseofWaterP?pclIantPreservativeAPPENDICES1.TheChemicalPreservatives.2.ObtainingPreservatives3.AntidotesForestProducts1.aboratoryDivisionofBu

8、ildingResearch,C.S.I.R.O.,Me1bourne,Australia.ForestProductsResearchCentre,DepartmentofForests,PortMoresby,P.N,G.DepartmentofForests,PortMoresby,P.N.G.Page1291111i112121.7202224Fig.1,2,3.Fig.4,5,6.Fig.7,0,9,10,11.-11.INTRODUCTIONThepeop1eofPapuaNewGuineahavebeenusingwoodfortheirhouses,fences,carving

9、sandtools,eversincetheyarrivedinthecountry.Woodhasbeen,andstillis,themostimportantbuildingmaterialinthiscountry.However,therehasalwaysbeenastruggletomakethingsmadeoutofwoodlastlonger.Inthiscountry,therearemanydifferentagentsthatdestroywood.Termiteseatit,beetlesboreholesinit,andfungirotit.Usually,the

10、woodmustbereplacedeveryfewyears.Formanyyearsnow,nearlyal1ofthesawntimberproducedbysawmillshasbeentreatedwithpreservativef-ytheDipDiffusionMethod.ThistreatmenthassavedtheGovernmentandprivatepeoplealotofmoney.Ithasprotectedthesawntimberintheirbuildingsfromtermites,beetlesandrot.Wcwouldnowliketohelpthe

11、peopleofPapuaNewGuineawhousebushmaterialsfortheirhomes,toprotectthesematerialsfromtermites,beetlesandrotaswell.Thisbookistotellthepeopleinruralareashowtheycantreatthewoodintheirhousessothatitwillalsobeproteted.：-Therearemanydifferentmethodsoftreatingbuildingmaterialstoprotectthem.Somemethodsuseequip

12、mentthatisonlyavailableinafewpartsofthecountry.Someuseverysimpleequipment.Theydonotal1doanequallygoodjob.Somearebetterthanothers.Whei-eyeryouare,youshouldpickthemethodthatisthebestfromthoseavaiIabietoyou.Woodthathasbeentreatedbythemethodsinthisbookshouldlastmany_timeslongerthanwoodthathasnotbeentrea

13、ted.1.otsoftreesthatcannotbeusednow,becausetheyarequicklydestroyedbyinsectsorrot,canbeusedaftertheyhavebeentreated.Theywillthenlastaslongasthebestkindofuntreatedtrees.Readonthroughtherestofthebooklet.Ifyoufindsomethingthatyoudonotunderstand,orwanthelpinchoosingthebestwoodrthencontacttheForestryDepar

14、tment.YoucaneithercontacttheForestryOfficernearwhereyou1ive,orwritetousat:BushPreservationForestProductsResearchCentreP.O.Box1358BOROKOP.N.G.Telephone:PortMoresby256555.22.WOODDESTROYINGINSECTSANDFUNGIAtreeislikeanyotherlivingthing.Itisal-daysbeingattackedbyvariousinsectsanddiseases.Itisattackedwhil

15、eitisgrowingintheforestandafterithasbeencutdown.Inthismanua1wearenotconcernedwiththetreebeforeitiscutdown.Wcareconcernedwiththethingsthatattackthetreeafterithasbeencutdown.Becausethetreeisusuallyattackedassoonasitiscutdown,itisimportantthatitisbroughtoutoftheforestasquicklyaspossible.The1ongcrthtthe

16、treeIieSonthegroundintheforest,thenthemoreitwillbeeatenbyinsects,orrottedaway.WOODROT:Woodrotordecayiscausedbyverysmallplantscalledfungi.1.ikealllivingthings,fungineedscertainthingstogrow.Theyneedfood,airandwater.Ifwecankeepanyofthesethingsawayfromthewood-rottingfungi,theywii1notgrow.1.etuslookatthem.FoodThefoodthatthewood-rottingIungiliveanisthewooditself.siteatsthewood,thewoodgetsweakerandweakerunti1finallyitcollapses.Thewaytostopthisfromhappeningistopoisonthewoodsothatthefungica