Chapter 16, Problem 16.19P

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9th Edition

Braja M. Das + 1 other

ISBN: 9781305970939

Textbook Problem

Figure 16.21 shows a continuous foundation with a width of 1.8 m constructed at a depth of 1.2 m in a granular soil. The footing is subjected to an eccentrically inclined loading with *e* = 0.3 m, and *α =* 10°. Determine the gross ultimate load, *Q _{u}*

**a.**Meyerhof (1963) method [Eq. (16.52)]**b.**Saran and Agarwal (1991) method [Eq. (16.53)]**c.**Patra et al. (2012) reduction factor method [Eq. (16.54)]

(a)

To determine

The gross ultimate load

Explanation

Given information:

The unit weight of the soil

The value of cohesion

The soil friction angle

The location of depth of footing base

The width of the footing *B* is 1.8 m.

The value of eccentricity *e* is 0.3 m.

The inclined angle

Calculation:

Determine the effective width of the footing using the relation.

Substitute 1.8 m for *B* and 0.3 for *e*.

For the continuous foundation, all shape factors are equal to one

Determine the depth factor

Substitute 1.2 m for

Determine the depth factor

Substitute

Determine the inclination factor

Substitute

Determine the inclination factor

Substitute

Determine the ultimate bearing capacity of the soil

(b)

To determine

The gross ultimate load

(c)

To determine

The gross ultimate load

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