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The legal weight limits will vary by jurisdiction but, for example, in the southern states of the US, they range from 80,000 to 88,000 pounds (36,300 to 39,900 kg)—about 40 short tons (35.7 long tons; 36.3 t). [8] To load the logs, the truck may be fitted with one or more winches or cranes. The logs are commonly unloaded by letting them roll ...
A weight (also known as a mass) is an object, normally with high density, whose chief task is to have mass and exert weight (through gravity). It is used for ...
Wood is relatively light in weight, because its specific weight is less than 500 kg/m 3, this is an advantage, when compared against 2,000–2,500 kg/m 3 for reinforced concrete or 7,800 kg/m 3 for steel. [citation needed] Wood is strong, because the efficiency of wood for structural purposes has qualities that are similar to steel. [citation ...
The Load Line Conference of 1966 imposed a requirement that hatch covers be able to withstand load of 1.74 tons/m 2 due to sea water, and a minimum scantling of 6 mm for the tops of the hatch covers. The International Association of Classification Societies then increased this strength standard by creating its Unified Requirement S21 [ 71 ] in ...
COFC (container on flat car) cars are typically 89 feet (27.13 m) long and carry four 20-foot (6.10 m) intermodal containers or two 40-foot (12.19 m)/45-foot (13.72 m) shipping containers (the two 45-foot or 13.72-metre containers are carryable due to the fact that the car is actually 92 ft or 28.04 m long, over the strike plates).
In the United States, planks can be any length and are generally a minimum of 2×8 (1 + 1 ⁄ 2 in × 7 + 1 ⁄ 4 in or 38 mm × 184 mm), but planks that are 2×10 (1 + 1 ⁄ 2 in × 9 + 1 ⁄ 4 in or 38 mm × 235 mm) and 2×12 (1 + 1 ⁄ 2 in × 11 + 1 ⁄ 4 in or 38 mm × 286 mm) are more commonly stocked by lumber retailers.
Many of the great flumes fell into disrepair and were salvaged for lumber. [6] By 1984, only one lumber flume was operating in the United States. [ 6 ] : 158 The Broughton Lumber flume was a nine-mile (14 km) V-flume that transported rough-sawn lumber from Willard, Washington to a finishing mill in Hood, just west of the town of Underwood .
A two-wheeled horse-drawn vehicle is a cart (see various types below, both for carrying people and for goods). Four-wheeled vehicles have many names – one for heavy loads is most commonly called a wagon. Very light carts and wagons can also be pulled by donkeys (much smaller than horses), ponies or mules.