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1、四川省水利水电建筑工程预算定额的土方工程说明（EarthworkengineeringspecificationofbudgetquotaforwaterconservancyandhydropowerconstructionprojectinSichuan）Chapter1earthworkbudgetofwaterconservancyandhydropowerconstructionprojectinSichuanProvinceExplainFirst,thischapterincludesearthworkexcavation,transportation,com
2、pactionandotherfixedtotalof50sections,applicabletowaterconservancy,electricity,constructionworksearthwork.Two.Theunitofmeasurementforearthworkquotasshallbecalculatedinaccordancewiththenaturallawexceptasnoted.Three.ThenameofearthworkquotaNaturalSquare:referstothenaturalstateoftheearthwithou
3、tdisturbance.Pine:referstothenaturalsidebymanualormechanicalexcavationandloosesoil.Solidside:referstothefilling(backfill)andafterthecompactionoffinishedproducts.Four,soilclassdivision,inadditiontofrozensoil,accordingtotheearthrocksixteenclassificationmethodofthefirstfourgrades,soilclasslev
4、el.Five,earthworkexcavationandfillingengineering,inadditiontoworkquotaprovisions,includingdiggingditchesandsmallsloperepair,removethegroundturfdebris,trafficcontrol,safetyfacilitiesandroadconstructionandmaintenanceworkareaanddumpingfield.Six,thegeneralearthworkexcavationquotaappliestothege
5、neralopenexcavationearthworkandtheopeningwidthofmorethan16mofthechannelandthemouthareaisgreaterthan80m2columnpitearthwork.Seven,thequotaofearthworkexcavationofthecanalissuitablefortheearthworkofthetrapezoidalsection,thelongstripshapeandthebottomedgewhichneedtobetrimmedandthechannelwidthisl
6、essthanorequalto16m.Eight,trenchexcavationquota,suitableforwideislessthanorequalto4morslopesteeperthanrectangularsection1:0.5trapezoidal,rectangularlengthgreaterthan3timesthewidthofthebottomslope,onlyrepairdoesnotrepairtheearthworks,suchaswall,wallandothertypesoftoothbaseandcabletrenchetc.
7、.Theninecolumn,thepitexcavationquota,suitableforanareaislessthanorequalto80m2,thelengthoflessthan3timesthewidthanddepthislessthantheuppershortsidelengthordiameterandfoursideverticalorsteepslopein1to0.5,notonlythebottomofthesloperepairrepairpitexcavation,suchas
