The units made in your area may be unique, so it will be difficult to relate to other areas.
Keep in mind that brick has many important properties and compressive strength is probably the least important.
The sizes, shapes and core configurations are not standardized. Even Boral Brick from Australia, which is one of the largest brick manufacturers in the world has hundreds or thousands of brick configurations.
What exactly are the size, shape and configuration of the brick you are working with?
The Australian masonry industry has some reasonable good technical information that could help you, especially with your codes. If it is for another location the BIA (USA) could help you. Also, there are some great guidelines for use of oversize clay brick (hollow or solid - really semi solid) from Germany.
Normally, garage doors do not require engineering since there are proven method and details. If this is a research project contact a brick company that has complete technical support for the products you are considering.