Bearing Capacity - Calculation Questions

What is the definition of bearing capacity in geotechnical engineering?

• The maximum pressure soil can withstand before shear failure

• The weight of a structure

• The depth of a foundation

• The moisture content of soil.

Ultimate Bearing Capacity (qu) refers to: A) The safe pressure used in foundation design B) The theoretical maximum pressure soil can handle before failure C) The moisture content of soil D) The density of soil.

• The safe pressure used in foundation design

• The theoretical maximum pressure soil can handle before failure

• The moisture content of soil

• The density of soil

Allowable Bearing Capacity (qa) is calculated by dividing the ultimate bearing capacity by what factor?

• Soil type

• Factor of safety (FS)

• Soil density

• Foundation depth

Different soil types (e.g., clay, sand, gravel) have vastly different ________.

• Moisture contents

• Bearing capacities

• Foundation depths

• Angles of internal friction.

Denser soils generally have higher ________.

• Moisture contents

• Bearing capacities

• Foundation depths

• Angles of internal friction

The angle of internal friction is a soil property that describes the shear strength of ________ soils.

• A) Cohesive

• B) Granular

• C) Sandy

• D) Clay

Which factor accounts for uncertainties in soil properties and potential variations in loading?

• Ultimate bearing capacity

• Allowable bearing capacity

• Soil moisture content

• Foundation depth

If the ultimate bearing capacity (qu) is 9,000 psf, what is the allowable bearing capacity (qa) with a factor of safety of 3?

• 2,000 psf

• 3,000 psf

• 4,000 psf

• 5,000 psf

What is the calculated ultimate bearing capacity (qu) in the example provided?

• 4,000 psf

• 5,000 psf

• 6,000 psf

• 9,000 psf

Fill in the blank: In the example, the factor of safety used is ____.

• A) 2

• B) 3

• C) 4

• D) 5