When one considers that the flanks of Mauna Loa sit on sea floor that is about 16,400 ft (5,000 M) deep, the height of this volcano relative to neighboring land (the sea floor) is more like 30,080 ft (9,170 m)!
A tieback is a horizontal rod used to reinforce retaining walls for stability. With one end of the tieback secured to the wall, the other end is anchored into the earth with sufficient resistance. Talk to Helitech CCD for more information about Tiebacks and how they can benefit your job. Fill out the form to the right or call us at 800-246-9721.
Lesson 4: Cofferdams. Overview. A cofferdam is a temporary structure designed to keep water and/or soil out of the excavation. in which a bridge pier or other structure is built. When construction must take place below. the water level, a cofferdam is built to give workers a dry work environment. Sheet piling is. driven around the work site, seal concrete is placed into the bottom to prevent water from. seeping in from underneath the sheet piling, and the water is pumped out.