Traditional and Advanced Methods for Assessing Ponding Instability [L15]

Ponding, the accumulation of water on roofs that can cause progressively increasing deformations and even collapse, is a design consideration for all buildings. The most common method of assessing roofs for ponding was developed over 50 years ago and has many limitations. A new design method uses computer analysis to capture the behavior of roofs under ponding conditions more accurately. This presentation will review ponding requirements in current design specifications, introduce the new method of analysis, and compare the traditional and advanced methods through examples.

Intended Audience: Engineers
Track: Design Analysis

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