Lesson 08 - Shallow Foundations

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Footing Dimension Terminology gB f = Width of footing - Least lateral dimension D f gL f = Length of footing B f gD f = Depth of embedment of footing L f
Basic Bearing Capacity Equation gEquation 8-88 q ult = c (N c ) + q (N q ) + 0.5 ( γ)(B f )(N γ ) c = cohesion q = surcharge at footing base N c , N q , N γ = Bearing capacity factors γ = unit weight of foundation soil
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: Bearing Capacity Failure Mechanisms
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 and 74: Consolidation Settlement gSame proc
Page 75 and 76: Example 8-38 p 0 = (14′ × 130 pc
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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