Consider the following statements regarding underreamed piles :1. They are used in expansive soils.2. They are of perkcast reinforced concrete.3. The ratio of bulb to shaft diameters is usually 2 to 3.4. Minimum spacing between the piles should not be less than 1.5 times the bulb diameter. of these statements

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Andy

Andy

What is the correct solution?

Priya

Priya

does anyone know the correct answer

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