Explain the auger method and the wash boring method.
Explain the auger method and the wash boring method.
Making and advancing of bore holes is known as Boring. It is the first step for the collection of sample. Borings are generally used for depths greater than 3 m or when difficult ground water conditions are met. Boring is a first step for the collection of sample.
There are various methods of boring. The suitability of any method of boring depend upon the nature of soil and position of ground water table. The ease and accuracy with which results are to be obtained also play a major role in choosing the required method of boring.
The various methods of boring are:
- Auger boring
- Wash boring
- Percussion boring
- Rotary boring
Among these methods, auger boring and wash boring is discussed in detail in the next step.
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