Shear deformation of soil in a building can cause a variety of consequences. These consequences include sinking of footing, slide in an earth embankment, and movement of wedges. Let's discuss each of these in detail:

1. Sinking of footing:
When the soil beneath a building's footing undergoes shear deformation, it can lead to the sinking or settlement of the footing. This occurs when the soil loses its shear strength and fails to provide adequate support to the foundation. As a result, the footing sinks into the ground, causing structural instability and potential damage to the building.

2. Slide in an earth embankment:
Shear deformation in soil can also result in the sliding of an earth embankment. This happens when the shear strength of the soil is exceeded, causing the soil to lose its stability and move downslope. The sliding of an earth embankment can lead to slope failures, landslides, and damage to infrastructure such as roads, railways, and buildings located on or near the embankment.

3. Movement of wedges:
Shear deformation of soil can cause the movement of wedges, particularly in areas where there are natural or man-made slopes. When the shear strength of the soil is compromised, it can result in the movement of soil masses in wedge-shaped formations. These wedges can then move or slide, potentially causing damage to structures or creating hazardous conditions.

In summary, the shear deformation of soil in a building can lead to the sinking of footing, slide in an earth embankment, and movement of wedges. These consequences highlight the importance of properly understanding and managing the shear strength and behavior of soil in civil engineering projects. Engineers must consider these factors during the design and construction phases to ensure the stability and safety of structures and infrastructure.