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1、大唐丘北羊雄山风电场1#风力发电机组安装单位工程完工验收鉴定书1#风力发电机组安装工程完工验收组二○一二年七月五日Earth-rockbackfillingof90,000m3.6.2fillinglargeamountofplanningandreclamationoftheproject,consideringtheconstructionofspecificcircumstances,mainlythefollowingaspects:1,goodfullfillingarrangementandconstructionofroadsto
2、ensurefillingtheroads.2,themainexcavation,loading,transport,constructionmachinery,includinglevelingandcompactionareputingoodperformanceofconstructionmachineryandequipment,tomeettheconstructionneeds.Earth-rockBackfillingismainlybasedongeneralprogressintheconcreteconstructiono
3、fthemainprojecttoschedule.6.3Earth-rockbackfillingconstructionofEarth-rockbackfillingconstructioncarriedoutinthefollowingway:soil-stoneembankmentinthecorrespondingpartsoftheconcretepouringiscompleted,damFoundationexcavationofsandandgravelmaterial,transportedbyCAT320digdumptr
4、uckmounted5~10Ttofillpartsofunloading,mechanicalcompacting.TheEarth-rockbackfillingprimarilyforstructuralbackfillandsitefilling,relativelylowrequirementsforcompactionofbackfill,theproposedCAT320digdumptruckmounted5~10Tbroughtontothesite,bulldozersandtieredrolling.Layerthickn
5、ess50cmthicknessofrollingafewtimesandidentification.LocalcornerissupplementedbyfrogsRammerandtamping.Fillingqualitycontrolareasfollows:(1)backfillmaterialisnotallowedinmixedclay,grass,wood,andotherharmfulsubstances.(2)thebackfillmaterialshallconformtotherequirementsofsupervi
6、sionengineerinconstructiondrawingsand.(3)thebackfillmateriallayerthicknessisnottoothick,shouldmeettherequirements.(4)thecompactingshouldpayparticularattentionwhenrollingqualitybackfillsandandgravel,thecompactrequirements.6.46.4.1constructionqualityguaranteemeasuresofqualitya
7、ndsafetymeasures(1)strictlycontrolthequalityoffilling,nograss,debrisandmudcontentgreaterthanthedesignoffillingmaterialsforbackfill,donotfailnotbackfilled.(2)strictlycontrolthethicknessofthefilling,constructionsetatthefilling-facethicknessofsignposts,bulldozersusuallycontroll
8、edbyitsheight.(3)fillingbacktechniqueisusedwhenfeed,avoidfillingmaterialsfo
