Procedure to Solve Assignment #9 Problems in CVEN 365: Embankment Settlement, Assignments of Civil Engineering

Download Procedure to Solve Assignment #9 Problems in CVEN 365: Embankment Settlement and more Assignments Civil Engineering in PDF only on Docsity! CVEN 365 Handout 11/13/03 Procedure to solve Pb2 of Assignment #9 Fig. 1 Embankment with Surcharge Fig. 2 Settlement of Embankment (Fill and Fill+Surcharge) a) ' ' 0 max ' 0 ( ) log 1 ov v c ov HS F C e σ σ σ + ∆ = + (Hint: for simplification, use one layer in calculation) b) 2 dr V v Ht T C = (Hints: 1: Double drainage problem 2: Get vT from Textbook P165) c) 2 v V dr C tT H = (Calculate the time factor VT for 6 months) VT U→ (Get average degree of consolidation) 6 max( ) ( )monthsS F S S F+ = 6 maxmax ( ) ( )( ) monthS F S S FS F S U U + + = = ' ' 0 max ' 0 ( ) log 1 ov v c ov HS F S C e σ σ σ + ∆ + = + (Calculate the total stress increase 'Vσ∆ ) ' ' ' '( ) ( ) ( )V V V VF S Sσ σ σ σ∆ = ∆ + ∆ → ∆ (Calculate the stress increase due to surcharge) ' arg ( )V surch e fill Sh σ γ ∆ = (Calculate the height of the surcharge) Surcharge Fill H surcharge 7m 5mClay Dense Gravel Water Table time Settlement 6 months Smax (F) Smax(F+S) Fill Fill+Surcharge S6mon (F+S)