In adobe construction, the unsupported height of any wall constructed of adobe units must not exceed ____ times the thickness of such wall:

In adobe construction, the structural integrity and stability of walls are critical due to the material's properties. Adobe is a mixture of clay, sand, and straw that is typically formed into blocks and dried. Its compressive strength can support a certain height relative to its thickness.

The code or standard that dictates that the unsupported height of any wall constructed of adobe units must not exceed 10 times the thickness of the wall is based on structural engineering principles, ensuring that the weight of the wall does not cause it to buckle or fail under its own weight. This ratio provides a safe guideline for construction, considering factors like the material's load-bearing capacity and the potential for environmental stresses, such as wind or seismic activity.

This standard reflects the need to balance safety with practicality in construction. For instance, if the wall is 1 foot thick, following this guideline would allow for a maximum unsupported height of 10 feet. Such a ratio is critical in preventing structural failures, which can lead to severe consequences in built environments.

The other choices, while they represent various ratios, do not align with the established principles for adobe construction and therefore do not provide adequate safety margins for unsupported heights. Thus, the correct guideline stands crucial for maintaining the stability and safety of adobe