Timber framing is preferred because it provides a renewable building material that takes in carbon from the atmosphere while growing and stores it for the life of the building. A lot of people prefer steel framing because it is durable, stable and termite-proof.
The best screws for framing are typically structural screws, such as timber screws or deck screws. These screws are recommended over other types of fasteners for framing because they have high shear strength and are designed to withstand the heavy loads and stresses that framing structures endure. Additionally, structural screws are less likely to loosen over time compared to nails or traditional screws, providing a more secure and durable connection for framing applications.
Rubber tires are preferred to steel tires because if we had steel tires driving over the smallest pebble would be a very bumpy ride. Rubber tires are flexible and will be smooth when going over rocks. Not to mention, if we had steel tires the government would have to replace the roads everyday with the amount of people tearing them up with steel tires. Also, rubber tires wear out and that means you will have to buy new ones again..
in framing over openings
In a frame the structure is not continuous throughout the panels of the building, but is in connected lines of structure that form a frame. For example in timber framed buildings: the timber is a structural frame that does not completely fill in the walls, roof and floor. These are clad over and lined within the framing to form panels. The framing bears the structural loads. In concrete or brick masonry construction: the walls are formed by the masonry units being put together to form solid walls. This means the loads of the building are distributed throughout the entire wall.
Pergolas vary in cost depending on the material used and complexity of the design. The best way to determine cost is to sketch an idea of the pergola and send it to a timber framing company for a quote. Roughly, the cost will range from $10 a board foot of timber to over $50 per board foot plus the cost of the earth work and foundation.
Knocking tall people over and yelling "TIMBER!"
if you mean why is a desktop preferred over a laptop. then i would answer that they aren't and that laptops are preferred because of their convenience
the timber was transporte over the river thames
The best way to anchor steel shelving to the floor is with Ramset Dynabolts for concrete floors and Timber Floor Fixing Screws for wooden floors. If the depth is over four times the size of the height then the shelving shouldn't need fixing.
The reason that steel made from ore is often preferred is because the chemical analysis can be controlled exactly, whereas steel made from scrap has probably been recycled a few times and the level of residual elements are higher and inconsistent, due to the scrap mix.
Interval estimates are generally to be preferred over point estimate
Pros : Readily available, Easy to shape, Weldable, Many shapes available Cons : Not that strong for its weight, rusts easily, cannot be made better by heat treatment