Geotechnics - Revision

Which of the following is NON INTRUSIVE in-situ site investigation test?

• SPT

• CPT

• VST

• Geophysical tests

• Pressuremeter test

Which of the following is NOT a primary objective of conducting a ground investigation in civil engineering projects?

• Assess the suitability of a given site for the intended engineering
  development.

• To establish a detailed profile of underlying soil and rock for engineering purposes.

• Potentially foresee any construction difficulties and plan both economical
  and reliable remedial solutions

• To determine the visual appeal of the construction site.

• Assess the safety of existing neighbouring structures.

Reorder the following ground investigation stages

• Desk Study

• Site investigation

• Laboratory testing

• Reconnaissance survey

• Review of data and reporting

Define ground investigation

Which of the following is NOT a problem linked to total uniform settlement in a building?

• Connection with existing structures

• Utility line breakage

• Surface drainage problems

• access of vehicles and pedestrians

• cracks in the same building

​ ​ (a)   is defined as the difference in total settlement between two foundations or two point on the same foundation​

• Differential settlement
• Total settlement
• Consolidation settlement
• Immediate settlement

Which of the following statements is TRUE about non-displacement (drilled shaft) piles?

• They are pre-fabricated piles driven into the ground to displace soil.

• They involve removing soil by boring or drilling and casting concrete to form the pile.

• They are limited to small diameters and shallow depths.

• They require a group of piles for each column, regardless of diameter.

Which of the following is a disadvantage of non-displacement piling techniques?

• They create significant soil disturbance around the pile.

• They are unsuitable for use near existing structures in urban areas.

• Pile defects may occur due to poor concrete compaction or wash-out in permeable layers.

• They cannot accommodate complex pile shapes such as under-reams or flanges.

The following are types of gravity retaining walls​ (a)   ​ (b)   ​ (c)   ​ (d)   ​ (e)  

• mass walls
• reinforced concrete walls
• earth nail walls
• crib walls
• gabion walls
• pile walls
• sheet pile walls
• diaphragm walls