Question

To avoid the setting of the cutting edge unevenly, ___________ can be introduced.

(a) Wooden sleepers

(b) Smooth oil surface

(c) Bottom plug

(d) Steining bars

I have been asked this question in my homework.

I'm obligated to ask this question of Well Sinking in section Well Foundations of Geotechnical Engineering II

Answer 1

Right option is (a) Wooden sleepers

Easy explanation: It is desirable to insert wooden sleepers below the cutting edge at regular intervals so as to distribute the load and avoid setting of the cutting edge unevenly during concreting.