North Carolina Building Contractor License Practice Exam

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What is the specified requirement for anchoring roof diaphragms to masonry walls?

3/8" diameter bolts
1/2" diameter bolts
5/8" diameter bolts
1" diameter bolts

The correct answer is: 1/2" diameter bolts

The specified requirement for anchoring roof diaphragms to masonry walls is that 1/2" diameter bolts are typically utilized. This choice is grounded in structural engineering principles that ensure adequate strength and stability in the connections between different building components. The size of the bolts is crucial because it must be sufficient to handle the lateral forces acting on the roof diaphragm, especially under various conditions such as wind pressure or seismic activity. Using bolts of a specified diameter ensures that they can adequately transfer loads from the roof diaphragm to the masonry walls without failing under stress. In construction practices, developers often refer to building codes and engineering standards, which dictate the appropriate bolt sizes to maintain structural integrity. This requirement helps ensure safety during both the construction phase and the long-term use of the structure. Thus, the choice of 1/2" diameter bolts for anchoring is based on achieving a balance between strength requirements and practical construction considerations.