Metal piles could be hollow pipe or I-section. Concrete is used to fill them. The diameter can vary from ten to 24 inches, whilst the thickness is frequently 34 inches. The piles are easy to push because of their very small sectional region. Conclude-bearing piles are the commonest software. https://very-bright-rechargeable77665.ampedpages.com/a-review-of-geotechnical-pile-foundation-bd-56803562