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What has to be located during an investigation with great care?

(a) Macro joints

(b) Fissures

(c) Micro joints

(d) Macro joints and micro joints

I got this question in an interview for job.

Question is taken from Origin of Joints and Engineering Considerations in chapter Joints and Jointing of Engineering Geology

1 Answer

+1 vote
by (1.1m points)
Correct answer is (c) Micro joints

To elaborate: Great care has to be exercised in locating the presence, distribution patterns and magnitude of micro joints that are typical of many rocks. Such joints, if left unnoticed and untreated, may widen after the construction of the project and endanger its stability.

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