Cast In Situ Pile Details Estimate

Download CAD & PDF | Cast In Situ Pile Details, Estimate & Construction Process

Piles are column elements in a foundation that have the function of transferring the full load from the superstructure.
Piles move the whole mass compact and less compressible to the surface or to the top of the rock.

According to cast in place, the pile is of two types: (I) Pre Cast Pile and (II) Cast In Situ Pile.

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Cast In Situ Pile Details, Estimate & Construction

In this article, we discuss the cast in situ pile estimate, details drawing and the process of construction. And also free download the pile estimating spreadsheet and pile details pdf.

Cast In Situ Pile Details

A designer should provide complete guidelines for piles.

Pile layout and pile specification should always be precise for a good foundation.

If you make a better Pile of details read the full article of ” Make Pile Details In AutoCAD With DWG and PDF”

Pile Layout Plan

  • Clean pile point measurement from the gridline.
  • Must be mentioned to pile to pile distances in their group of the piles or pile cape.
  • Should consider ACI or regional building code system.
Pile layout plan
Pile Layout Plan

Design Specification

  • Clayerly draw pile size and length.
  • Draw the number of Rebar and spacing of the spiral bar.
  • Must be mentioned on the clear cover with a separate figure.
Cast In Situ Pile Section
Cast In Situ Pile Section

Free Download cast in situ pile details DWG & PDF

Download Piling CAD Drawings & PDF

Cast In Situ Pile Estimate

From our above drawing:

Estimate for 24″ Dia Pile and Boring Length from E.G.L.= 75’6″, Casting Length is = 70′ (Don’t cast 5′-6″ EGL to Upper Pile Casting Level), but Rebar Length is = 69′ (Minus: EGL to Upper Pile Casting Level and Bellow 1 feet CC Casting)

Estimate of Casting

The casting Length is 70′ the concrete mix proportion ratio is 1:1.5:3 or f’c=3000psi [Mentioned in the drawing]

Casting volume:

= (πr^2 x Length of pile casting)

= (3.1416 x 1’^2 x 70′)

= 220 cft

Cement: (220 x 1.5)/(1+1.5+3)= 330/5.5 = (60 x 1) = 60 cft [1bag cement equal to 1.25 cft] so, 60/1.25 = 48 bag cement.

Sand: (220 x 1.5)/(1+1.5+3)= 330/5.5 = (60 x 1.5) = 90 cft sand.

Stone or Coarse Aggregate: (220 x 1.5)/(1+1.5+3)= 330/5.5 = (60 x 3) = 180 cft stone.

Note: But in reality, 5% to 20% fewer materials are taken

Estimate of Reinforcement or Rod

  • Reinforcement or Rebar Length is = 69′
  • Spiral Length = 66′
  • Stirup Center to Center = 6″ or .5′
  • Clear cover is =3″

16 mm Main Rod: (Number of Rebar X ( Length of Reber + Lapping ) x Weight of steel bars per feet) = (8 x ( 69′ + 2′) x 0.48) = (568′ x 0.48) = 273 kg

10 mm Spiral Rod: [((66 / 0.5) + 1) X ( 2π(12″ – 3″ )/ 12)] x 0.188 = (133 X 4.712) x 0.188 = 627 x 0.188 = 118 kg.

Total need 273+118 = 391 kg

Free Download Cast in Situ Pile Estimate Spreadsheet

Construction Process Of Cast In Situ Pile

Working Procedure

  • Site Investigation
  • Arrangement of all necessary equipment at the working site.
  • Design Specification (Design Book)
  • Cast-in-situ Piles Work

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