Lesson 08 - Shallow Foundations

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Example 8-38 g Calculate consolidation settlement for following case: 130 kips 4′ 10′ Gravel γ T = 130 pcf 10′ Normally consolidated clay γ sub = 65 pcf, e 0 = 0.75, C c = 0.4 Rock
Example 8-38 p 0 = (14′ × 130 pcf) + (5′ × 65 pcf) = 2,145 psf 130kips 130kips Δp = = = 0.208ksf = 2 (10ft + 15ft) 625ft 208psf ΔH Δ = Cc H 1+ e 0 log 10 ⎛ 0.4 ⎞ = 10ft⎜ ⎟log ⎝1 + 0.75 ⎠ H 10 ⎛ p 0 + ⎜ ⎝ p ΔH = 0.09′ = 1. 1″ 0 Δp ⎞ ⎟ ⎠ ⎛ 2145psf + 208psf ⎜ ⎝ 2145psf ⎞ ⎟ ⎠
Page 1 and 2:
SOILS AND FOUNDATIONS Lesson 08 Cha
Page 3 and 4:
Shallow Foundations Lesson 08 - Top
Page 5 and 6:
Stresses Imposed by Structures gAbu
Page 7 and 8:
Recommended Foundation Design Appro
Page 9 and 10:
Recommended Foundation Design Appro
Page 11 and 12:
Foundation Cost g Express foundatio
Page 13 and 14:
Loads and Limit States gLoads - Per
Page 15 and 16:
Types of Shallow Foundations gCombi
Page 17 and 18:
Shallow Foundations for Retaining W
Page 19 and 20:
Mat Foundations REINFORCED CONCRETE
Page 21 and 22:
Allowable Bearing Capacity g Allowa
Page 23 and 24: Design Process Flow Chart gFigure 8
Page 25 and 26: Bearing Capacity Failure Mechanisms
Page 27 and 28: Basic Bearing Capacity Equation gEq
Page 29 and 30: Bearing Capacity Factors Bearing Ca
Page 31 and 32: Example 8-18 gSolution
Page 33 and 34: Effect of Variation of Soil Propert
Page 35 and 36: Bearing Capacity Correction Factors
Page 37 and 38: Modified Bearing Capacity Equation
Page 39 and 40: Shape Correction Factors gBasic equ
Page 41 and 42: Pressure Distributions Structural d
Page 43 and 44: Location of Groundwater table gTo c
Page 45 and 46: Sloping Ground Surface gModify the
Page 47 and 48: Footing Near Slope
Page 49 and 50: Inclined Loading gIf shear (horizon
Page 51 and 52: Local or Punching Shear c* = 0.67c
Page 53 and 54: Overstress Allowances gFor short-du
Page 55 and 56: Presumptive Allowable Bearing Capac
Page 57 and 58: Any Questions? Any Questions? THE R
Page 59 and 60: Learning Outcomes gAt the end of th
Page 61 and 62: Immediate Settlement gHough’s met
Page 63 and 64: Trend of Analytical Results and Mea
Page 65 and 66: Depth to Peak Strain Influence Fact
Page 67 and 68: Draw Strain Influence Diagram 0 Inf
Page 69 and 70: Determine Elastic Modulus, E s gUse
Page 71 and 72: Compute Correction Factors C 1 , C
Page 73: Consolidation Settlement gSame proc
Page 77 and 78: Student Exercise 6 Pressure - psf D
Page 79: Settlement of Footings on Structura
Page 84 and 85: Footings on IGMs and Rocks gUse the
Page 86 and 87: Tolerable Movements for Bridges (Ta
Page 88 and 89: Learning Outcomes gAt the end of th
Page 90 and 91: Shallow Foundations Lesson 08 - Top
Page 92 and 93: Key Elements of Shallow Foundation
Page 94 and 95: Monitoring gCheck elevations of foo
Page 96 and 97: Any Questions? Any Questions? THE R
Page 98 and 99: Apple Freeway Exercise gAppendix A
Page 100 and 101: Compute N1 values 60 Depth (ft.) p
Page 102 and 103: APPLE FREEWAY EAST ABUTMENT SETTLEM
Page 104 and 105: SPREAD FOOTING DESIGN Design Soil P
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Lesson 08 - Shallow Foundations

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