Helical pier and pile techniques are a group of steel, concrete, or wooden columns put in into the ground to aid the weight of the framework and assure its foundational aid and its vertical and horizontal balance. There is comparatively minimal difference between deep foundation pier and pile techniques, except https://docs.google.com/presentation/d/e/2PACX-1vRj8CFavC1m3vHrtNagKkK97kkv5pL3M6tFAAu9f9AbnCvROfUuLXzsF6fZf3uwM9p7eQ9PH7SY888i/pub?start=false&loop=false&delayms=3000