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The settlement can be calculated by knowing the size of the dike, total load on the soil due to weight of the dike and the soil properties such as elastic modulus, Poisson's ratio, compression index, recompression index, secondary compression index, effective preconsolidation stress, coefficient of consolidation and

That said, standard settling is nothing to worry about and often won't have too much of an impact on the foundation and structure of a building. With soil expansion and contraction, it is normal for a part of a building to move a few inches.

Wall cracks Settling cracks will be vertical, between two and six inches long, and 1/16 of an inch in width. If the cracks you're seeing are horizontal or wider than 1/16 of an inch, that could indicate improper settling.

When buying a home with foundation issues, always get a professional assessment to determine the severity of the problem. If the issues are relatively minor and you like the house, you could consider fixing them. However, if the issues are extensive, it may be best to walk away.

The industry standard is 1 inch of differential settlement in 20 feet. Anything greater than this can be considered too much.

Differential settlement can cause cracks in a structure's foundation and interior walls, as well as uneven settling of doors and windows. Other signs of differential settlement include tilting chimneys, exterior stairs that tilt or sink, bulging walls, leaking through openings and sunken slabs.

Total settlement for cohesive soils are generally estimated by the sum of immediate settlement, primary consolidation and secondary compression, where immediate settlement usually constitutes a significant portion of the total settlement.