- 2075 Baisakh · 1 mark
What is an isobar diagram
Short answer
An isobar diagram (pressure bulb) is a contour plot joining points below a loaded area that experience the same vertical stress increase, typically expressed as a fraction of the contact pressure q (e.g., 0.2q). The bulb-shaped curves show how stress spreads and diminishes with depth.
What is an isobar diagram?
An isobar diagram (pressure bulb) is a plot of contours (isobars) joining points below a loaded area that have the same vertical stress increase, usually expressed as a fraction of the contact pressure (e.g. 0.8q, 0.5q, 0.2q, 0.1q). The contours form bulb-shaped curves under the foundation and show how stress spreads and dies out with depth.
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