Wednesday, July 17, 2019
Structural Properties of Timber
1. debutDuring this assignment different figures of forest leave behind be discussed either spell earnest as the value of beat employ in interior applications. The headers exit be organised consequently1.1 Chip venire versus ply smellland1.2 autochthonic Hard timber versus Soft forest1.3 Laminates and veneers1.4 whole tone joinery. each(prenominal) of the verbal descriptions depart compound a soon written account, discoursing the advantages and disadvantages of utilizing the special(a) trade or fixture wi keen an interior application. Photographs of the intersection all(prenominal) bit well-grounded as a peculiar application of this merchandise will be included. It will be stipulated why the peculiar applications is either roaring or less(prenominal) successful. As mannered lumber fall ining methods will be researched all(prenominal) bit advantageously as peculiar applications thereof.1.1 Chip venire versus PlywoodChipboardChipboard hatful be specify as a gloomy ground level board that incorporates of tight wood french friess, alternate together with a man-make rosin. This hapless ground floor composition board raise to a fault be use as a stiffener for exposure and as a backup for stem tablets. ( Dictionary.com,2014 ) . Chipboard is besides on hand(predicate) in a guess of densenesss normal- , medium- and soaring denseness. Normal denseness is evenhandedly soft and high denseness is fast and difficult. ( Design-Technology, n.d. )A positionadvantagesof strongboard include, live cleverness as it is utilise for an alternate to consentaneous wood for the construct of article of article of piece of furniture, usually the sort of furniture that is meant for ego assembly by the con bestower. Chipboard is besides an advantage to the milieu as it is do out of 70 per centum recycled stuffs. This means that rather of utilizing solid wood, fewer trees will hold to be chopped down when people choose to go for chipboa rd alternatively. Chipboard is besides sincerely strong and performs good down the stairs push up per unit atomic number 18a. If hardboard is utilize alternatively of solid wood, it creates no weak genus Musca volitanss in furniture. As hardboard feces be anyplace-correct with a bulky assortment of lasts, it allows the consumer to take a coating to his or her liking. The hardboard send packing be make to imitate any type of wood every bit good as the best spirit of wood without defects or knots. ( terrific timberland China, 2013 )Somedisadvantagesof hardboard may include, pee harm as hardboard merchantman falsify, snarl and disability when exposed to wet. Because of this hardboard should non be installed in damp environments such as bathrooms. ( Grand Wood China, 2013 ) .Chipboard is chiefly utilizefor counter transcend in kitchens, where it will be laminated with cyanuramide, and harass doors. Work surfaces and flat- battalion furniture is made out of hardbo ard with a veneered surface. spirited denseness hardboard is morose, stiff and hardwearing, these types of hardboard is chiefly used as the typesetters case for kitchen units, worktops and surprise. ( Design-Technology, n.d. ) .Successful or slight SuccessfulPlywoodPlywood bum be defined as a geomorphologic board that consists out of an unsteady figure of keep down beds ( lower berth limit of three beds ) of wood attach together under string per unit ara, ever with the cereal of adept bed at right angles to the corpuscle of the bordering bed. ( The at large(p) Dictionary, 2014 ) .Advantagesof plywood argon the layering of the wood that creates strength, this besides prevents the boards from wri svelteg, checking and falsifying under military capability per unit area. Plywood is besides less expensive than solid forests. ( Make It Yourself, 2011 ) . marine Plywood is specially made for the physical exercise under H2O, this stuff should be protect with vanish or rouge and the plywood is fixed with rainproof sticky. ( Design-Technology, n.d. ) The plyboard will go even stronger depending on the sum of beds added. The coating of plyboard displace change, as some contain knots and other consist of attractive grains. Plywood net be used in insides every bit good as impertinents, depending on the H2O opposition gooeys that is used. Plywood can be nailed or screwed and it can be curving because of the flexibleness of the stuff. The most common thicknesses of plyboard are 4,6,9 and 12 millimeter. ( Design-Technology, n.d. ) .Plywood has a fewdisadvantageslike H2O harm due to the layering which makes the real porous. Plywood will acquire heavy when moisture and should hence be covered when left out-of-doorss. ( Make It Yourself, 2011 ) .Plywood is normallyusedfor walls, roofing, flooring and decks. Plywood can be used for insides every bit good as outsides, plyboard can even be used for the building of gravy boats. Because plyboard is a m easure and strong stuff, it is first-class for the impost in building. ( Make It Yourself, 2011 ) . Plywood can besides be used for cladding, sheds, furniture and shuttering boxes, this is normally used in building to incorporate concrete while it sets. ( Design-Technology, n.d. )Harmonizing to ( Design-Technology, n.d. ) , outside class plyboard ( WBP Weather and hum Proof ) . This type of plyboard can be used outside. Water-repellent adhesives are used and can defy a certain sum of wet. Weather turn cogent evidence plyboard requires pigment or varnish to protect the outside veneer from the elements. Internal plyboard does non incorporate water-repellent adhesive. The codification used to support for this plyboard is ( Int.interior use merely ) . separate codifications used on the surface of plyboard are Bromines -Boil Resistant, MR -Moisture Resistant. Successful or little SuccessfulIn decision to the research provided refering hardboard and plyboard, it is hard to compar e the two stuffs as they are really much the same. Chipboard is more(prenominal) aesthetically delighting and is non every bit deadly to the environment but can cost well-to-do and plyboard is more cost effectual and is stronger than hardboard and it is used for a larger assortment of merchandises.1.2 Autochthonal Hardwood versus raftAutochthonal HardwoodDefinition of Autochthonal HardwoodAdvantages of hardwood include, toughness, hardness, strong, the closer the grain is the more it can defy daze and wear, lasting, easy to utilize, elastic, does non separate easy, can be used under H2O, due to the oil content, it is of course lasting to wet and it will non eat Fe or steel adjustments. ( Design-Technology, n.d. ) .The disadvantages of hardwood include, falsifying, heavy and expencive, dividing can happen, hard to paste because of the oil content, will blunt tools really rapidly, does non smooth every bit good and it is hard to complete. ( Design-Technology, n.d. ) .Hardwood is chiefly used for furniture, floors, veneers, wooden plaything and decorations, boat edifice, gate stations, decks, store adjustments, Sillss, Gatess, doors, and stepss. ( Design-Technology, n.d. ) .Successful or Less SuccessfulSoftwoodSoftwoodcan be defined as wood that comes from an cone-bearing tree. Softwood are in ecumenical softer than hardwoods but there are a few exclusions. ( The Free Dictionary. 2014 )thither are advantages of deal, viz. , wood like pine, redwood and Scottishs pine are readily available and reasonably inexpensive, lasting, easy to work with, attractive grain and available in long and broad boards. Wood like Western Red cedarwood are immune to insect shelling due to natural preservative oils every bit good as conditions and ironic putrefaction. It is besides knot free, H2O loathsome and lasting. ( Design-Technology, n.d. )Softwood has disadvantages every bit good and they include, the fact that they are non as strong, does be given to falsify, splits e asy and expensive. ( Design-Technology, n.d. )Softwood can be used for stairwaies, furniture, cladding for outside of edifices and general outside work. ( Design-Technology, n.d. )Successful or Less SuccessfulDecision1.3 Laminates and veneersLaminatesLaminates can be defined as two or more thin sheets of stuff, bonded together to cover or cover another stuff. ( The Free Dictionary, 2014 )AdvantagesDisadvantagesUses in an national SpaceSuccessful or Less SuccessfulVeneersVeneerscan be defined as nonfunctional, thin surface bed, glued to a base of low grade stuff to give the feeling that it is made of high quality stuff. ( The Free Dictionary, 2014 )Veneers suck in advantages and disadvantages. An advantage of veneers areAdvantagesVeneer wood furniture begins with thin beds of wood glued together with the grain at right angles over a thick nucleus. This mark figure reduces the opportunities of splitting or snap. Plus, the gum is the every bit strong, rainproof adhesive used in air craft and marine building, so the closing consequence is really stronger than the natural wood. legion(predicate) people erroneously assume that veneered furniture is inferior to or cheaper than solid wood nevertheless, veneers rather frequently are used in high terminal furniture pieces and it can be more pricy than solid wood.AdvantagesofVeneer Woodhypertext move communications protocol //www.horizon-custom-homes.com/2014DisadvantagesUses in an Interior SpaceSuccessful or Less SuccessfulDecision1.4 Timber JoineryJoinery is all right woodwork penalise on wood working machinery in the protection of a workshop, in descent to woodworking, which is unsmooth woodwork executed on the edifice site.The modern joiner makes purpose made closets, doors, Windowss, architraves and counters in solid wood, plyboard, fiberboard and hardboard, on modern woodwork machinery.249Chipboard is an frugal board made of harsh timber french friess bonded together under ram per unit area. The criteri on for hardboard is SANS 50312. get along with made with phenolic type adhesive is suited for external usage, that made with melamine-urea methanals adhesive is suited for floor stuff or research lab worktops that are infrequently wetted. 251The criterion for plyboard is SANS 929. Plywood can be of commercial, marine or structural class. The figure of hemorrhoids is ever uneven ( lower limit of three ) sing that the grain of the two outer beds runs parallel to contract a balanced board. Plywood can be dead set and influence by wetting the board and determine it under heat and force per unit area, e.g. chair seats.251Hardwood- The criterions for hardwood for furniture is SANS 1099. This includes a description of 29 local and imported species. Hardwood is supplied in three class clear class ( marked red ) semi-clear ( pronounced unforgiving ) knotty class ( marked verdancy ) . 249Softwood- The criterion for sawn industrial deal is SANS 1783. Softwood is grown locally and is sup plied in sextuplet classs clear class for high quality furniture semi-clear class for furniture and joinery cutting class visual outlook class for furniture, floors and shelves public-service corporation class, where visual reflexion is non of import packing class for palettes and crates.250 ornamental laminates are fictile sheets with a cosmetic face. Cosmetic Laminates sheets sizes are 3.5 ten 1.2 m. There are several high and low force per unit area cosmetic laminate types, each with its ain application general intent type for worktops, doors, shortss, light certificate of indebtedness type for door- and drawer foreparts, carcases, shelves, cabinet facing type for internal liner of closets, angel type for contrary sides of boards to forestall uneven soaking up of wet of the substrate, precise purpose type for doors, dividers, walls and floors, high-wear type for industrial worktops, fire retardent type. All cosmetic laminates are made from rosin and paper. cyanu ramide rosin and paper are used for surfaces, and phenol rosin and trade paper for nucleus building. Melamine is a thermoset rosin type that is immune to high temperatures, chemicals and wear. Resins can be modified for particularised intents like station forming and fire retarding. 252 pinch board, and fibreboard with at least minimal denseness, may be covered with veneers or cosmetic laminates. Veneer is a thin Peel of largely hardwoods. 2522. Decision3. BibliographyDictionary.com. 2014.Chipboard. Online . acquirable at hypertext transfer protocol //www.dictionary.com Accessed 5 whitethorn 2014 .Grand Wood China. 2013.The Advantages of Chipboard. Online . usable at hypertext transfer protocol //www.grandwoodchina.com/ Accessed 5 may 2014 .Design-Technology. n.d.Chipboard. Online operational at hypertext transfer protocol //www.design-technology.org Accessed 5 may 2014 .The Free Dictionary. 2014.Plywood. Online Available at hypertext transfer protocol //www.thefr eedictionary.com Accessed 5 whitethorn 2014 .Make It Yourself. 2011.Plywood Advantages and Disadvantages. Online Available at hypertext transfer protocol //www.doityourself.com/ Accessed 5 May 2014 .Design-Technology. n.d.Plywood. Online Available at hypertext transfer protocol //www.design-technology.org Accessed 5 May 2014 .The Free Dictionary. 2014.Laminates. Online . Available at hypertext transfer protocol //www.thefreedictionary.com/ Accessed 5 May 2014 The Free Dictionary. 2014.Veneers. Online Available at hypertext transfer protocol //www.thefreedictionary.com/ Accessed 5 May 2014 The Free Dictionary. 2014.Softwood. Online Available at hypertext transfer protocol //www.thefreedictionary.com/ Accessed 5 May 2014 Design-Technology. n.d.Hardwoods and Softwoods Table. Online Available at hypertext transfer protocol //www.design-technology.org/ Accessed 5 May 2014
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