Bored Piles Quiz

What is the main advantage of bored piling?

• Precast construction

• Low drilling depth

• Little vibration

• High noise level

What is the maximum test load for a working pile in the axial compression load test?

• 150% of design verification load

• 100% of specified working load

• 200% of specified working load

• 50% of design verification load

What is the purpose of the Kentledge in the compression test?

• To prevent bending of steel plate

• To apply vertical load

• To measure hydraulic pressure

• To support the concrete blocks

What is the minimum thickness of the steel plate placed on the test pile?

• 25 mm

• 20 mm

• 15 mm

• 10 mm

What is the purpose of the hydraulic jack in the compression test?

• To measure hydraulic pressure

• To apply test load

• To support the main test beam

• To adjust the schedule loads

When should the static load test on a working pile be performed?

• Before pile load test

• After concrete compressive strength test

• Before concrete compressive strength test

• After pile load test

What is the main equipment used to perform the axial compression test?

• Main test beam and cross beams

• Hydraulic jack and dial gauges

• Concrete blocks and steel plate

• Kentledge and test plate

What is the depth of soil that can be drilled using a bored piling machine?

• 50 meters

• 20 meters

• 40 meters

• 30 meters