Civil Engineering - Building Construction - Discussion

Discussion Forum : Building Construction - Section 4 (Q.No. 34)
34.
In the method of tube boring of soil investigation, the following is essential :
a tube of about 2 metres length and 20 cm diameter with a cutting edge
a flap valve at the bottom of tube is provided to extract the soil sample
the tube is raised and lowered by 4 thick rope moving over a pulley suspended on a tripod stand
the tube is dropped to fall under gravity in side a metalic casing pipe which is driven as the depth of excavation proceeds.
all the above.
Answer: Option
Explanation:
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Discussion:
1 comments Page 1 of 1.

AHMAD said:   4 years ago
What is tube boring? Please explain me.

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