Shoring is a dangerous business. According to the Occupational Safety and Health Administration (OHSA), 25 workers die in a trench-related accident every year. The OSHA also articulates that the walls […]
Soil Pressure and the Angle of Internal Friction
The angle of internal friction of soil is something that can be overlooked, but one that can be easily explained is rather simple. We encounter it when we see a […]