Angle of Repose of Various Materials
Here is a list of various materials and their angle of repose. All measurements are approximated and not exact.
| Material (condition) | Angle of Repose (degrees) |
|---|---|
| Ashes | 40° |
| Asphalt (crushed) | 30–45° |
| Bark (wood refuse) | 45° |
| Bran | 30–45° |
| Chalk | 45° |
| Clay (dry lump) | 25–40° |
| Clay (wet excavated) | 15° |
| Clover seed | 28° |
| Coconut (shredded) | 45° |
| Coffee bean (fresh) | 35–45° |
| Earth | 30–45° |
| Flour (wheat) | 45° |
| Granite | 35–40° |
| Gravel (loose dry) | 30–45° |
| Gravel (natural w/ sand) | 25–30° |
| Malt | 30–45° |
| Sand (dry) | 34° |
| Sand (water filled) | 15–30° |
| Sand (wet) | 45° |
| Snow | 38° |
| Wheat | 28° |
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Famous quotes containing the words angle of, angle, repose and/or materials:
“So much symmetry!
Like the pale angle of time
And eternity.
The great shape labored and fell.”
—N. Scott Momaday (b. 1934)
“The inhabitants of earth behold commonly but the dark and shadowy under side of heaven’s pavement; it is only when seen at a favorable angle in the horizon, morning or evening, that some faint streaks of the rich lining of the clouds are revealed.”
—Henry David Thoreau (1817–1862)
“I grow savager and savager every day, as if fed on raw meat, and my tameness is only the repose of untamableness. I dream of looking abroad summer and winter, with free gaze, from some mountain-side,... to be nature looking into nature with such easy sympathy as the blue-eyed grass in the meadow looks in the face of the sky. From some such recess I would put forth sublime thoughts daily, as the plant puts forth leaves.”
—Henry David Thoreau (1817–1862)
“Artists, whatever their medium, make selections from the abounding materials of life, and organize these selections into works that are under the control of the artist.... In relation to the inclusiveness and literally endless intricacy of life, art is arbitrary, symbolic and abstracted. That is its value and the source of its own kind of order and coherence.”
—Jane Jacobs (b. 1916)