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Difference between engineering and Non engineering products?
Engineered products are products designed to meet a particular design criteria. Non-engineered products are products that were not specifically engineered for a particular design criteria. The structural wood products industry is a good example of engnieered and non-engineered products. Lumber and heavy timbers are good examples of non-engineered materials that are used in construction. Specifically, lumber or timber is a product that is cut from logs. Lumber is not designed, although we test lumber and have design values that apply to many types of lumber. There exists natural variation in lumber so the way we come up with reasonable design values is test a reasonable size sample of lumber, determine the statistical variation of the test results, then assign a conservative material value to allow it to be used structurally. In contrast, plywood, OSB, I-joists, laminated veneered lumber, parallel strand lumber and glulam are engineered wood products. Those products were designed to be used in certain structural applications. The design of the products was thought out, typically combining a mixture of different smaller layers or materials, combined with structural connectors, typically adhesives, or small nails or screws. These products often use the best properties of the individual products to come up with a better mix. These products often have a higher strength to weight ratio when compared with non-engineered products. Other engineered products include rolled steel shapes, bar-joists, metal decking, reinforced concrete, plastics, composites and fibers. I hope this has been helpful.
What are the 3 names of man made timbers?
The three common types of man-made timbers are plywood, particleboard, and medium-density fiberboard (MDF). Plywood is made by gluing together layers of wood veneers, while particleboard consists of wood chips and sawmill shavings bonded with resin. MDF is created from wood fibers and adhesive compressed into dense sheets, making it ideal for furniture and cabinetry.
What wood is a door made out of?
Doors can be made out of several different timbers. They are selected for: * stability so the door won't warp and will continue to fit closely into the frame * evenness and fineness of grain, so the wood doesn't splinter split or feel rough and is easy to work with in a precise way * sometimes lightness if the door is large * strength * durability - especially important for exterior doors that must resist moisture and extremes of temperature Oak, Cedar, Sapele, Douglas Fir, Iroko, Meranti, Pine and many other timbers are used.
What is a purlin?
A longitudinal member in a roof frame, usually for supporting common rafters or the like between the plate and the ridge. One of several horizontal timbers supporting the rafters of a roof. http://www.bw-industries.co.uk/roof-purlins.htm
What is grillage footing?
A framework of heavy timbers, steel, or reinforced concrete beams laid longitudinally and crossed by similar members laid upon them to spread a heavy load over a larger area, esp. for use where the ground is not firm.
What are Plantation Timbers?
PLantation timbers are timbers from planted forests, that is humand planted them Old growth forests are the natural ones.
The Cross Timbers is thought by some to be a natural landmark in what region?
Central plains
What are structural timbers?
Structural timbers are those timbers used in the construction of a building that are "load bearing". They are the timbers placed under stress by and that support the weight of the building.
How did the Phoenicians use imports?
They imported commodities which they needed in addition to what they could produce themselves, such as metal, jewellery, spices, different foodstuffs and timbers, and in addition the bolstered their prosperity by carry-trade - moving good between trading partners for profit as well as their own exports of timber, dyes and manufactured goods..
When was Nash Timbers created?
Nash Timbers was created in 2003.
When was Portland Timbers created?
Portland Timbers was created in 2009.
How many 8' landscaping timbers would i need to make a 20' circle around your swimming pool?
I'm assuming by 20' circle you mean 20' diameter. And I'm assuming only one layer of timbers. 3.14 x 20 = 63 feet of timbers needed / 8 foot long timbers = 8 timbers, for a 20' radius circle, double the number of timbers, and for each row of timbers increase the number of timbers accordingly. The closer to circular you want you'll need to cut the timbers shorter. 8 timbers will make an octagon (like a stop sign)
What is the difference between plantation timbers and forest timbers?
nothing :D
What are native timbers?
Native timbers are simply timbers that are found locally. Native timber can also be 'second growth' timber, which means that it is sustainable.
How much rain does Cross Timbers get?
how much rain fall does cross timbers get
Why are the timbers on Tudor houses black?
Tar is used to protect the timbers from weathering.
When was Portland Timbers Reserves created?
Portland Timbers Reserves was created in 2011.
