What is the maximum height of a masonry pier if the least dimension is 6x10 inches?

The maximum height of a masonry pier is established based on structural stability and the proportions of the pier itself. When the least dimension of a masonry pier is specified as 6x10 inches, it indicates that the smaller dimension (6 inches) is the critical factor in determining its permissible height.

For masonry piers, a common rule of thumb is that the height should not exceed a ratio of 4:1 to the least dimension. In this case, the least dimension is 6 inches. Therefore, the maximum height can be calculated as follows:

Maximum height = 4 x least dimension = 4 x 6 inches = 24 inches.

However, local building codes or additional safety factors may allow for different ratios or may specify maximum heights that can be greater than the typical ratio, depending on the design and use of the pier.

In this specific question, the choice of 60 inches likely reflects a typical allowance provided in specific guidelines or codes that govern masonry pier construction, ensuring the pier remains stable and safe under anticipated loads. It's important to reference local building codes and standards, as they can dictate these allowable heights.

The other choices indicate heights that could exceed general expectations based on standard guidelines for height-to-dimension ratios and may not