garden walls and creative shapes

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1、12GardenwallsandcreativeshapesGardenwallscanbeconstructedofplasteredstraw,butsincetheyarenotcoveredwitharoof,particularattentionshouldbepaidtoprotectingthetopofthewallfromwaterentryintothestraw.Asimpleandsecuremethodistocapthewallwithawaterproofcover

2、—amini-roof—whichmaybemetalorotherroofingmaterial,includinganimperviousmasonrytop.Alesssecurealternativeistoinstallplasticunderlaysheetonthetopofthewallbeforerenderisapplied.Thepurposeoftheplasticunderlayistodirectawayfromthestrawanywaterthatentersth

3、etopofthewallthroughcracksthatmightoccurovertime.Althoughsomegardenwallsbuiltbythismethodappeartobequitesoundafterseveralyears,thatisashorttestperiod.Itremainsdesirabletouseasuitablemini-roofforstrawbalegardenwallstoensurethattheywillsurviveformanyde

4、cades.Ofcoursethehorizontalpre-constructionmethodcanbeappliedreadilytotheconstructionofgardenwalls,thoughasuitableflatsurfaceonwhichtoconstructthewallmightnotbesoreadilyavailable.Thefootingsofgardenwallsshouldreachsufficientlyabovethesurroundinggroun

5、dlevelonbothsidesofthewalltopreventlaterproblemswithwater.Slopingsitesneedtobeconsideredcarefullywithrespecttowherewaterwillflowandlie.Substantialweeporflowholesthroughthefootingswillbedesirableinsomesituations.Althoughitis,nodoubt,possibletodesignmo

6、isturebarriersandstructuralfeaturesthatwouldenablestrawbalewallstobeusedasearth-retainingwalls,theextraeffortrequiredusuallywouldnotmakestrawbaleconstructioncost-andlabour-effectivecomparedwithuseofothermaterials.Theraisedfootingsrequiredforstrawbale

7、gardenwallslendthemselvestoeasyutilisationofthenewtensioningsystem(seepage60),becausetherewillbefreeareaabovegroundwherethetensioningtubescanbeinsertedintheGardenwallsandcreativeshapes89footingsatthetimeoflayingtheconcrete.Thesetubesshouldextendsuffi

8、cientlyfromthefaceofthefootingtoenableonetoattachthetwistedwireloopwire-lockholders.Theendsofthesetubesmustbekeptfreeofconcreteduringpouringofthefootings,andthereshouldbemeanstofindthemeasilywhenthefootingsarefinished.Tosatisfybothoftheserequirements