Ballast pocket
a depression that is formed beneath the ballast layer by penetration of ballast particles into the subgrade and that tends to collect moisture.
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ballast (def 5a).
- Ballasted
nautical. any heavy material carried temporarily or permanently in a vessel to provide desired draft and stability. aeronautics. something heavy, as bags of sand, placed in the car of a balloon for control of alt-tude and, less often, of att-tude, or placed in an aircraft to control the position of the center of gravity. anything […]
- Ballaster
nautical. any heavy material carried temporarily or permanently in a vessel to provide desired draft and stability. aeronautics. something heavy, as bags of sand, placed in the car of a balloon for control of alt-tude and, less often, of att-tude, or placed in an aircraft to control the position of the center of gravity. anything […]
- Ballastic
nautical. any heavy material carried temporarily or permanently in a vessel to provide desired draft and stability. aeronautics. something heavy, as bags of sand, placed in the car of a balloon for control of alt-tude and, less often, of att-tude, or placed in an aircraft to control the position of the center of gravity. anything […]
- Ballasting
nautical. any heavy material carried temporarily or permanently in a vessel to provide desired draft and stability. aeronautics. something heavy, as bags of sand, placed in the car of a balloon for control of alt-tude and, less often, of att-tude, or placed in an aircraft to control the position of the center of gravity. anything […]