In situations where hold-down bolts are subject to severe vibration, what type of anchor bolt is typically recommended?

In situations where hold-down bolts experience severe vibration, boxed anchor bolts are typically recommended due to their design, which provides a greater surface area for anchoring and helps to distribute the load more evenly. This increased surface contact can significantly improve the grip of the bolt in concrete or other substrate materials, helping to enhance stability and resist loosening from vibrations.

The encapsulation of the bolt within a box design also helps in minimizing the potential for rotation and movement, further aiding in maintaining a secure installation under dynamic conditions. This aspect is crucial when working with machinery or equipment that produces significant vibrations, as it ensures that the anchor bolts remain firmly in place over time.

Other types of anchor bolts may not offer the same level of stability or resistance to vibration, making boxed anchor bolts the preferred choice in such scenarios. Their robust design is specifically suited to tackle the challenges posed by vibrating environments, thus ensuring operational integrity.