If the diameter is below 250 mm it could be both micropile or helical pile and vice versa. If size is small and diameter is under 250m, It's a micropile. Situation 2: Micropiles elements limit the internally reinforce the soil to your reinforced soil composite that stops the utilized load. https://donovancefgf.blog4youth.com/31060774/top-latest-five-micropile-solves-the-problem-of-subsidence-urban-news