Lecture29-Anchored-in-Cohesive

Lecture29-Anchored-in-Cohesive - Foundation Engineering...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Foundation Engineering Foundation Engineering Lecture Lecture 29 29 Anchored Sheet-pile Walls in Cohesive Backfills L. Prieto-Portar 2008 Example 4. Free-Earth Support Method for Anchored Sheet-pile Walls in Cohesive Soils. Find the required anchor force T and sheet-pile length L . 0 33 a Sand backfill =115 pcf and ' =60 pcf =32 K .-situ soft clay γ γ γ γ γ γ γ γ φ °∴ = 1 0 1 0 a a In-situ soft clay =120 pcf and '=65 pcf c=400 psf =0 K . In situ medium soft clay '=65 pcf c=850 psf =0 K . γ γ γ γ γ γ γ γ φ γ φ °∴ =- °∴ = Step 1. Introduce a Factor of Safety for the cohesion. The shear strength of the cohesion is typically reduced through a Factor of Safety of between 1.5 to 2.0. Step 2. Determine the pressures on the wall. 850 500 1 7 measured red c c psf FS . = = = ( )( )( ) 1 115 6 0 33 228 5 6 0 33 60 2 5 0 33 228 50 278 a a B a p HK . psf H H K . . . psf γ = = =- = + = + = ( ) ( )( )( ) ( )( )( ) ( ) ( )( ) ( )( ) ( )( ) ( )( ) ( )( ) ( )( ) ( )( ) ( )( )...
View Full Document

This note was uploaded on 09/07/2011 for the course CEG 4012 taught by Professor Staff during the Spring '10 term at FIU.

Page1 / 6

Lecture29-Anchored-in-Cohesive - Foundation Engineering...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online