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Earth-Pressure-and-Failure-Envelope

A vertical cut is to be made in a saturated clay with c = 18 kN/m² , ɸ = 0° and γ = 16 kN/m³ . What is oretical depth to which clay can be excavated without side collapse?

0.89 m 2.5 m 4.5 m 9 m

Concept:

Maximum height of vertical cut is given by:

$H_{c} = \frac{4 c_{u}}{γ \sqrt{k a}}$

γ = γsat

For pure clay ? = 0°

$k_{a} = \frac{1 - s i n ?}{1 + s i n ?}$

Calculation

Given,

c = 18 kN/m2 , ? = 0° and γ = 16 kN/m3

$k_{a} = \frac{1 - \sin ? 0^{?}}{1 + \sin ? 0^{?}} = 1$

∴ $Z = \frac{4 C}{γ \sqrt{K_{a}}} = \frac{4 \times 18}{16 \times \sqrt{1}} = 4.5 m$

Hint Answer

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For cohesion less soil particles, the neutral pressure coefficient of soil is taken as:</p>

A vertical cut is to be made in a saturated clay with c = 18 kN/m² , ɸ = 0° and γ = 16 kN/m³ . What is oretical depth to which clay can be excavated without side collapse?

The reason(s) of the nonuniform elastic settlement profile below a flexible footing, resting on a cohesionless soil while subjected to uniform loading, is/are: </p>

For cohesion less soil particles, the neutral pressure coefficient of soil is taken as:</p>

A vertical cut is to be made in a saturated clay with c = 18 kN/m² , ɸ = 0° and γ = 16 kN/m³ . What is oretical depth to which clay can be excavated without side collapse?

The reason(s) of the nonuniform elastic settlement profile below a flexible footing, resting on a cohesionless soil while subjected to uniform loading, is/are: </p>

A vertical cut is to be made in a saturated clay with c = 18 kN/m<sup>2</sup>

ɸ = 0° and γ = 16 kN/m<sup>3</sup> . What is the theoretical depth to which the clay can be excavated without side collapse?</p>

Earth Pressure and Failure Envelope

Foundation-Engineering-Mcqs

Guest
You need to login to ask any Questions from chapter Earth-Pressure-and-Failure-Envelope of Foundation-Engineering-Mcqs

Chapter:

A vertical cut is to be made in a saturated clay with c = 18 kN/m² , ɸ = 0° and γ = 16 kN/m³ . What is oretical depth to which clay can be excavated without side collapse?

4.5 m

All Chapters

Earth Pressure and Failure Envelope

Bearing Capacity

Shallow Foundations

Pile Foundations

Well Foundations

Sub-Soil Exploration and Stabilization of Soils

Stability of Slopes

Similar Question

Guest You need to login to ask any Questions from chapter Earth-Pressure-and-Failure-Envelope of Foundation-Engineering-Mcqs

Chapter:

A vertical cut is to be made in a saturated clay with c = 18 kN/m2 , ɸ = 0° and γ = 16 kN/m3 . What is oretical depth to which clay can be excavated without side collapse?

4.5 m

All Chapters

Earth Pressure and Failure Envelope

Bearing Capacity

Shallow Foundations

Pile Foundations

Well Foundations

Sub-Soil Exploration and Stabilization of Soils

Stability of Slopes

Similar Question

For cohesion less soil particles, the neutral pressure coefficient of soil is taken as:</p>

A vertical cut is to be made in a saturated clay with c = 18 kN/m2 , ɸ = 0° and γ = 16 kN/m3 . What is oretical depth to which clay can be excavated without side collapse?

The reason(s) of the nonuniform elastic settlement profile below a flexible footing, resting on a cohesionless soil while subjected to uniform loading, is/are:&nbsp;</p>

A vertical cut is to be made in a saturated clay with c = 18 kN/m<sup>2</sup>

ɸ = 0° and&nbsp;γ = 16 kN/m<sup>3</sup> . What is the theoretical depth to which the clay can be excavated without side collapse?</p>

Earth Pressure and Failure Envelope

Foundation-Engineering-Mcqs

Guest
You need to login to ask any Questions from chapter Earth-Pressure-and-Failure-Envelope of Foundation-Engineering-Mcqs

A vertical cut is to be made in a saturated clay with c = 18 kN/m² , ɸ = 0° and γ = 16 kN/m³ . What is oretical depth to which clay can be excavated without side collapse?

A vertical cut is to be made in a saturated clay with c = 18 kN/m² , ɸ = 0° and γ = 16 kN/m³ . What is oretical depth to which clay can be excavated without side collapse?

The reason(s) of the nonuniform elastic settlement profile below a flexible footing, resting on a cohesionless soil while subjected to uniform loading, is/are: </p>

ɸ = 0° and γ = 16 kN/m<sup>3</sup> . What is the theoretical depth to which the clay can be excavated without side collapse?</p>