Updating Bearing Capacity – SPT Graphs - Maryland State Highway ...

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90x1 and x2 factors x1 and x2 factors80 Wall Footing on Granular Soils70q ult = γ [D x 1 + B x 2 ] psfqall = qultFS60 γ in pcf, D in ft, B in ft5040x 130x 2201000 5 10 15 20 25 30 35 40 45 50Standard Penetration Resistance, blows/ft180160140Square Footing on Granular Soilsq ult = γ [D x 1 + B x 2 ] psfq q FSall=120 γ in pcf, D in ft, B in ft1008060ultx 14020x 200 5 10 15 20 25 30 35 40 45 50Standard Penetration Resistance, blows/ftNote: Settlement was not considered in the graphs.<strong>Bearing</strong> <strong>Capacity</strong> for a Footing on Granular Soilsiv
Page 1: UPDATING BEARING CAPACITY - SPT GRA
Page 4 and 5: SUMMARYThe graphs used by the Maryl
Page 8 and 9: x 1 and x 2 Factors as a Function o
Page 10 and 11: LIST OF FIGURESFigurePageFig. 1.1 M
Page 12 and 13: Fig. 1.1Maryland SHA graphs for gra
Page 14 and 15: Prior to developing the graphs, the
Page 16 and 17: 2.3 Friction Angle of Granular Soil
Page 18 and 19: TABLE 2.1 Angle of Friction from Di
Page 20 and 21: Fig. 2.2Relationship between SPT N-
Page 22 and 23: In the study, soil borings used in
Page 24 and 25: B = width of foundation (diameter f
Page 26 and 27: TABLE 3.2 Bearing Capacity Factors
Page 28 and 29: CHAPTER IVDEVELOPMENT OF THE NEW GR
Page 30 and 31: Figure 4.2 and Table 4.2 show the v
Page 32 and 33: 4.2 Effect of Water TableUltimate b
Page 34 and 35: thus the AASHTO equation will be:q
Page 36 and 37: 4.3.2 Square FootingThe AASHTO equa
Page 38 and 39: Presumptive Ultimate Bearing Capaci
Page 40 and 41: For a factor of safety of 3, the al
Page 42 and 43: qult[ 3×37.75 + 2×28.15] 18650= 1
Page 44 and 45: CHAPTER VICONCLUSIONSIn this study,
Page 46 and 47: APPENDIX Ax 1 and x 2 as a function
Page 48 and 49: A.2. x 1 and x 2 factors as a funct

Updating Bearing Capacity – SPT Graphs - Maryland State Highway ...

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