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Complete guide on substructure construction

The most common challenge at this stage is to store different materials like excavated earth, cement, sand, aggregates, reinforcement in limited available space. Other challenge is to prepare small quantities of concrete. Usage of Nuvoco products can solve these problems<br>

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Complete guide on substructure construction

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  1. ACompleteGuideOn ConstructionSubstructure Tipsforyouandyourteam

  2. SummaryofTopics BuildingSubstructure Functions Components Substages Typesoffoundation Keypoints

  3. Thesubstructureorfoundationisthe partofthebuildingthatisbuiltbelow thegroundlevelandishiddenfrom view.Thesubstructureisthefirst WhatisSubstructure stageoftheconstructionprocess. Substructuretransferstheloadofthe superstructuretothegroundbeneath. Superstructureshouldbedesigned withpropertechniquebecauseit assuresthestabilityofthe superstructuretoo.

  4. FUNCTIONSOFSUBSTRUCTURE Itprovidesstabilitytothestructureasawhole Itdistributestheloadsfromthesuperstructurefromsoilbeneath SubstructureistosupportandanchorthesuperstructuresafelyintotheEarth. Itmustbedesignedtoaccommodateboththeformandlayoutofthe superstructure.

  5. COMPONENTSOFSUPERSTRUCTURE Foundations Abutments Retaining walls Useofgrouting Useofsemi-integral Useofthree-sided methodsfor andintegralabutments, precastwallculverts; use improvingfoundation withasinglerowof ofmodularretaining soil. piles. walls.

  6. COMPONENTSOFSUPERSTRUCTURE Precast concrete sheeting Piers: Bearings: Goalistoprevent Elastomeric,multi- timberfenderdamage Ithasbeenusedasretaining rotational,or aroundpiersfrom walls,wingwalls,and isolationtypes. vesselcollision. componentsofthebridge abutment.

  7. Excavation Levelling & P.C.C. for foundation Substructure Stage R.C.C. for foundation R.C.C. columns up to plinth level Backfilling of excavated earth

  8. Excavation,Compaction & Levelling Substructure Stage Settingoutofallcolumnsshouldbecarriedout priortoexcavationasperapprovedcentreline drawings ProperCompactionofsoillayerforfoundation decreasessettlementandpreventsundesired accidents Compactionofsoilimprovesshearstrengthand decreasessoilpermeability Foundationshouldalwaysbeplacedonthe levelledsurfaceinordertouniformlydistribute theloadingintothegroundand preventunevensettlement Sometimesthesurfaceisnotlevelledevenafter doinglevellingactivity.Hence,itisalways recommendedplaceP.C.C.inall footings Excavation

  9. P.C.C. (PlainCementConcrete) Substructure Stage 1.MainpurposeofP.C.C.istoactasalevelled surfaceforfootingsandtransfertheloadevenly intotheground 2.Removealltheloosematerialsfromthe excavationpitsanddotheshutteringbyplanks andrunnerswhereverpossible 3.Afterconcretepouringthesurfaceistobe rammedandfinishedsmoothly P.C.C.Casting Levelling

  10. IsolatedFooting Substructure Stage CoberblocksshouldbeplacedaboveP.C.C.to preventdirectcontactorreinforcementwiththe surface Newshutteringmaterialshouldbeusedwhile constructingfootings Columnreinforcementtobealignedverticallyfor propertransferofloadsintothefooting Curinginfootingshouldbecarriedoutfora periodof7days IsolatedSlopeFooting IsolatedSteppedFooting

  11. BackfillingofExcavatedEarth Substructure Stage Recordinginitialgroundlevel Approvedsamplesshouldbeusedforbackfilling. Bigbouldersarenotadvisable. Backfillingshouldbecarriedoutinlayers.The thicknessofeachlayershouldnotexceed 300mm.Eachlayershouldbeproperlycompacted beforestartingbackfillingofthesecondlayer. Requiredwatering,compactionshouldbedone. Whilecompactingduecareshouldbetakento protectfoundations,columns,plinthwalls,etc. whichhavebeenalreadyconstructed. Trainedoperatorsorskilledlaborshallbe engagedforbackfilling.

  12. TypesOfFoundation 1. 2. OpenFoundation ShallowFoundation Typesofshallowfoundation 1.SteppedFoundation 2.CombinedFoundation 3.RaftFoundation 3.DeepFoundation

  13. OpenFoundation Thisissimplyalayeroffoundation concreteprovidedatthebaseofa Typesoffoundation column,pedestal,orwall. Thistypeoffoundationisprovided whenahardstratumisavailableata veryshallowdepthortheworkis unimportante.g.Compoundwall, pillarsforbarbedwirefencing,etc.

  14. ShallowFoundation Whenthefoundationisplaced immediatelybelowthelowermostpart Typesoffoundation ofthestructureitiscalledashallow foundation. Itcanalsobedefinedas,whenthe depthoffoundationislessthanorless thanequaltothewidth

  15. DeepFoundation Whenthedepthoffoundationismore Typesoffoundation thanitswidththefoundationiscalled adeepfoundation. Ifthedepthoffoundationismorethan 2.00m,itiscalledadeepfoundation.

  16. Beforecommencementofproject workmakesurethesiteisclear. Therearenotrees,plants,bigger stones,etc. Keypoints Roadsshouldbewidesoasto allowthetruckforloadingand unloadingconstructionmaterial. Ifthesitegroundisunevenit shouldbemadeplain. SubstructureConstructionshould bepreferablycompletedbefore therainyseason

  17. ForfreesitevisitbyaNuvocoexpertGet LOOKINGFOR GUIDANCE? intouch. NuvocoHomeAssist - Aonestepsolution forallyourconstructionguidance BESTHOUSEPLANS HOUSECONSTRUCTIONCOSTCALCULATOR STAGESOFHOUSECONSTRUCTION

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