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Active earth pressure
| Глоссарий по архитектуре и конструкциям |
The component of pressure in a horizontal direction which a mass of earth exerts on a wall.
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Horizontal, английский
- Горизонталь; горизонтальный
- Горизонталь; горизонтальный 287
- At right angles to the direction of gravity; on the level; parallel to the horizon; neither vertical nor inclined.
- A direction parallel to the horizon, or what is commonly termed lying flat. one of the greatest inconveniences navigators have to struggle with is the frequent want of a distinct sight of the horizon. to obviate this a horizontal spinning speculum was adopted by mr. lerson, who was lost in the victory man-of-war, in which ship he was sent out to make trial of his instrument. this was afterwards improved by smeaton, and consists of a well-polished metal speculum about 3-1/2 inches in diameter, inclosed within a circular rim of brass, so fitted that the centre of gravity of the whole shall fall near the point on which it spins. this is the end of a steel axis running through the centre of the speculum, above which it finishes in a square for the convenience of fitting a
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Normal stress, английский
The component of stress which is perpendicular to the plane on which the force is applied. nonprestressed reinforcement 666 normal-weight aggregate an aggregate having characteristics between those of a lightweight aggregate and a heavyweight aggregate. normal-weight concrete concrete having a unit weight of approximately 150 lb per cu ft (2,400 kg per cu m), made with aggregates of normal weight. norman architecture the romanesque architecture
Final completion, английский
The completion of work and all contract requirements by the contractor.
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