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Ridge – A post extending from the ground or foundation to the ridge beam. Samson – similar to a prick post or puncheon. Puncheon: 1) A short, stout post may be identical to a prick post; 2) Puncheon may also mean a split log or heavy slab of timber with the face smoothed, used for flooring or construction.
In Canada spruce posts are sold for this purpose. Posts are 10 centimetres (4 in) in diameter driven at least 1.2 metres (4 ft) and may be anchored in a concrete base 51 centimetres (20 in) square and 110 centimetres (42 in) deep. Iron posts, if used, are a minimum 64 millimetres (2.5 in) in diameter. Bracing wire is typically smooth 9-gauge.
The engineering study of every reinforced concrete construction, whether it is a building, a bridge, a bearing wall, or another structure, dictates the positioning of steel rebars at specific positions in the volume of concrete (predicted concrete cover of steel reinforcement bars). This cover varies between 10 mm and 100 mm.
Using digging bars to move rocks A girl and a man dig a hole with a heavy digging bar to plant a tree. Common uses of digging bars include breaking up clay, concrete, frozen ground, and other hard materials, moving or breaking up tree roots and obstacles, and making holes in the ground for fence posts.
The posts may be steel tubing, timber, or concrete and may be driven into the ground or set in concrete. End, corner, or gate posts, commonly referred to as "terminal posts", must be set on a concrete footing or otherwise anchored to prevent leaning under the tension of a stretched fence. Posts set between the terminal posts are called "line ...
Close boarded fencing, strong and robust fence constructed from mortised posts, arris rails and vertical feather edge boards; Composite Fencing, made from a mixture of recycled wood and plastic; Expanding fence or trellis, a folding structure made from wood or metal on the scissor-like pantograph principle, sometimes only as a temporary barrier
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Shoring is designed to prevent collapse where shielding is only designed to protect workers when collapses occur. Concrete-structure and stone-building shoring, in these cases also referred to as falsework, provides temporary support until the concrete becomes hard and achieves the desired strength to support loads.
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