What is the common consequence if shoring is not used in deep trenches?

The common consequence of not using shoring in deep trenches is cave-ins. When trenches are excavated, especially those deeper than five feet, the walls of the trench can become unstable due to soil types, moisture, and other factors such as vibration from nearby traffic or construction activity. Shoring systems are designed to support the walls of the trench, preventing them from collapsing under the weight of the soil above.

Without proper shoring, the soil may fail, leading to a sudden and dangerous collapse that can bury workers and equipment, posing significant risks to safety. Cave-ins can result in severe injuries or fatalities, making the use of shoring not only a safety precaution but often a legal requirement in many jurisdictions.

Flooding, crumbling walls, and water accumulation are potential issues in excavation work, but they do not directly express the immediate and serious danger associated with the absence of shoring compared to the risk of a cave-in. The primary focus in this context is on soil integrity and the inherent risks associated with deep excavations.