Understanding Wind Load (continued from Saturday) Not all wind damage is the same. In fact, there are four ways that a wind gust can damage a building. Let’s briefly look at each level of damage now. (1). The first type of damage is “sliding.” In this situation, even though the integrity of the structure remains in tact, per se, the building as a whole unit will “slide” off the foundation due to inadequate attachment to the foundation. (2). Another example of wind damage is “overturning.” This type of damage, similar to “sliding,” is a result of inadequate attachment to the foundation. However, in this instance, the building as a whole will not only slide laterally off the foundation, but will turn over on its side (or even upside down). (3). A third example of wind damage is called “component damage.” This type of destruction occurs when only a part of the building collapses or falls. For example, there may be a partial roof collapse, garage doors blown inward, or portions of the wall ripped out. (4). The fourth and most catastrophic of these types of damage is “total collapse.” This is the complete failure of the structure in the face of wind forces that cause the structure to totally collapse upon itself, not unlike a “house of cards” effect. All of these four types of damage can be costly and potentially life-threatening. Therefore, it is wise to buy a building from a supplier that provides a well-built structure.
(to be cont. Thur. … )
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