Deep Foundations

Deep Foundations

San Francisco’s Sinking Tower

View complete article here. San Francisco’s 58-story Millennium Tower was once praised by the concrete and engineering communities. Today, the city’s tallest residential tower stands as a cautionary tale. Since its completion nearly eight years ago, the SoMa-located tower has sunk 16 inches and tilted at its base by at […]

Deep Foundations

Pile Driving Glossary

Adapters: Devices used to attach leads to the point of a crane boom. Allowable load: The load which maybe safely applied to a pile based on bearing capacity and settlement. Anchor pile: A pile used to resist tension or uplift loads. Anvil: The part of a power-operated hammer, which receives the blow of the […]

Deep Foundations

Highways and Aging Infrastructure

Click here to view the complete article. On August 1. 2007, the I-35W Mississippi River Bridge in Minneapolis collapsed during rush hour, killing 13 people and injuring 145. When examined after the collapse, it was discovered that there was a flaw in the design of the bridge. At the time […]

Deep Foundations

Key Steps To Profitable Foundation Drilling

Click here to view the complete article. Unlike geothermal and water well drilling operators, a foundation drilling contractor is a small cog in a large wheel. Whether it is civil construction or bridge construction, foundation drillers work with the prime contractors and perform within the confines of the design parameters […]

Deep Foundations

Foundations of Subsurface Drilling Investigation

Accurate foundation reports benefit structure designers, owners and contractors Quick Notes: – Subsurface drilling is the most important aspect of a foundation investigation – Drilling operations include standard boring and drilling and in situ testing – Subsurface reports provide recommendations related to foundations, seismic design, footing elevations, piles and tip […]

Deep Foundations

Drilled Shafts: Tools & Equipment

Drilled shafts are often used for different types of construction projects such as bridges, towers, tanks, and buildings. These elements are high-capacity, cast-in place deep foundations, designed to support the construction project and reinforce the structure. It is the contractor’s responsibility to choose the methods and means of drilled shafts […]