BUDHU FOUNDATIONS AND EARTH RETAINING STRUCTURES PDF

It should also appeal to graduate students and practicing engineers. There are three primary objectives for this textbook. Firstly, to present basic concepts and fundamental principles that are necessary to understand the background of the methods employed Foundations and Earth Structures is written primarily for an undergraduate course in foundation analysis and design. Firstly, to present basic concepts and fundamental principles that are necessary to understand the background of the methods employed in foundation design.

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File: PDF, YES kPa eL 0. Seismic Acc. Nq is Prandtl expression 2. The default bearing capacity is based on Ng is from Davis and Booker To get a footing width for a desired factor of safety, use the Goal Seek function in Excel. Set this value to zero if you want to calculate the rigidity factor using shear modulus, G. You can set this value to zero if you do not know the thickness of the footing.

Mylonite: Note: B must be less than or equal to L The horizontal load in the direction of the width , B, you would see this force in a free body diagram showing B in elevation This moment is applied in the long direction of the footing, MB is about the B-axis this moment would be seen in a free body diagram showing the dimension L in elevation.

The eccentricity of the footing in the direction of the length, L, due to a moment about the axis of the width. The horizontal load in the direction of the length you would see this force in a free body diagram showing length in elevation This moment is applied in the short direction of the footing, ML is about the axis of the length, L, this moment would be seen in a free body diagram showing the dimension of the width in elevation.

The eccentricity of the footing in the direction of the width due to a moment about the axis along the length Measured from the ground surface If the load is inclined along the length, insert L; if along the width, insert B If the load is inclined in the direction of the length, L, set this value to zero.

If the load is is inclined in the direction of the width,B , set this value to Peak friction angle in degrees. Set this value to zero for short-term condition total stress analysis for fine-grained soils. But its prediction over over the whole range of the above mentioned values is questionable. Type c for circular footing. Type s for the strip footing Enter the load per unit length for strip footing or the total load for circular footing Enter the required factor of safety Put a small value e.

Muniram Budhu: For circular footing, enter total load. Soil Properties Top Clay - undrained shear strength, su 1 70 psf L 1. Soil Properties 1 1.

Footing Properties - 4 1. Loading 10 1. Target Factor of Safety 3 - 14 1. Clay with a stiff crust followed by a linear variation of undrained shear strength with depth. You will have to change the formula in cell E12 if you have values after row Also, you have to copy all rows below the last row with a depth value to calculate the corrected average N values.

Muni Budhu: Set 0 if N increases with depth or is constant, else set 1 Muniram Budhu: If you want to include groundwater effects, select Yes else select No. Muniram Budhu: If No, only correction for overburden pressure will be performed.

Muniram Budhu: Ho is the thickness of the sand stratum below the footing base. This value is calculated up to row If you have depth values after row 40, you will have to change the formula to calculate Ho.

Muniram Budhu: The settlement using Eq A is 25 mm 1 in. The settlement using Eq B varies. CPT 0. Insert your data in the yellow shaded cells. Muniram Budhu: Depth of footing from finished grade. Muniram Budhu: depth of footing from original surface. The value is used to calculate the original overburden pressure.

These features may be lost or degraded when you save this workbook in an earlier file format. Minor loss of fidelity of occurrences Some cells or styles in this workbook contain formatting that is not supported by the selected file format. These formats will be converted to the closest format available.

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