Types of wood<\/strong><\/span>
\n a) How to classify the types of wood<\/strong><\/span>
\n Forest research institutes results (LPHH) in Bogor has been carrying out studies on the wood in Indonesia for the purposes of construction, timber for herbs assessed according to its power usage level is specified timber.<\/span><\/p>\n

b) Power Level<\/strong><\/span>
\n Indonesia rarely tested in tensile strength of wood.<\/span> To determine the level of our wood strength rooted in flexural strength, compressive strength and strong type of wood.<\/span> The specific gravity is determined on the wood moisture content in the air dry state.<\/span> Requirements for each class according to den Gerger determined as follows:<\/span>
\n<\/a><\/p>\n

c) Level of Use<\/strong><\/span>
\n The level of use of a timber declared kecakupan timber for something kind of construction.<\/span> In determining the level is not seen as a matter of woodworking and wood processing easy or difficult it was, anyway timber is ordinary circumstances, that is to say not preserved.<\/span>
\n There are five kinds of wood consumption levels:<\/span>
\n Level I and II: for the purposes of heavy constructions, unprotected and exposed to moist soil that is included in the first level are: teak, merban, bangkirai, purchase, resak, etc.<\/span>
\n Level III: for the purposes of heavy constructions, which are protected, among which are included in this rate: flower, camphor, yellow, etc.<\/span>
\n Level IV: for the purposes of lightweight constructions which are protected meranti, suren, jengjing, etc.<\/span>
\n Level V: For the purposes of temporary work.<\/span><\/p>\n

Because of the many types of wood in Indonesia, it can not be discussed here, while getting to know some of the type of wood that is widely used for building materials appropriate levels of use are:<\/span>
\n \uf0b7 Teak (Tectona grandis)<\/strong><\/span>
\n Usage level I, level of durability I, Level II powers BJ = 0.67.<\/span> Teak wood is one of the best in the world seluiruh.<\/span> Many were found on the island of Java, namely in the area of \u200b\u200bRembang, Madiun and Kediri.<\/span> Including wood stable, ie fireworks susutnya only slightly, due to the growth arrested containing lime, often inside the timber there are many nests of lime.<\/span> This led quickly dulling of tools for working wood (eg saws, planers, etc.).<\/span><\/p>\n

Is widely used to make robust construction such as bridges, etc. hangar.<\/span> Many also used to make furniture, teak color first gray brown and when have long been exposed to light and air the color changed to brown<\/span><\/p>\n

\uf0b7 Merbau<\/strong><\/span>
\n Usage level I, level of durability I, level of strength I BJ.<\/span> 0.9 – 1. Many we find on the island of Sumatra (north).<\/span> Sulawesi and the Maluku islands, yet many are also used in Java.<\/span>
\n Merbau including good wood, karea other than hold feast, fireworks susutnya only slightly, ugliness is that the iron-related denganmerbau be quickly corroded because of acid-tall wooden water.<\/span><\/p>\n

Widely used for construction unprotected.<\/span> Many are also used for the manufacture of household furniture, as it can be polished with ease.<\/span> The color is gray-brown and if it has been used will be changed to black brown.<\/span><\/p>\n

\uf0b7 Bangkirai<\/strong><\/span>
\n Usage Level I, Level II durability, level of strength I BJ .0,8 – 1.1.<\/span> Sometimes people call teak Kalimantan, often referred to as a month.<\/span> Many trees in Kalimantan and Sumatra obtained in large quantities.<\/span> The wood is resistant to termites, rather easily processed, compared to teak.<\/span> Flower susutnya few and readily available in large sizes without defects.<\/span> Widely used for construction were crushed and not jarangpula for bridge deck, masts etc.<\/span> The color is initially dry brown and gradually become older.<\/span><\/p>\n

\uf0b7 Belian<\/strong><\/span>
\n Usage level I, level of durability I, level of strength I BJ = 0.9 to 1.2.<\/span> Located on the island of Borneo.<\/span> Actually there are several kinds of wood are included in the purchase name, the two most important are the purchase and anglen, or so-called ironwood from Borneo, termite-resistant wood and other insects, because of the rigors, difficulty processed.<\/span> In large construction used for the pillars of the bridge, the bridge floor etc.<\/span>
\n Inside the house building used as shingles for roofing, warnanyajika not long ago was an old brown, then will turn to gray to black.<\/span><\/p>\n

\uf0b7 resak<\/strong><\/span>
\n Usage level I, level of durability I, level of strength I BJ = 1.1.<\/span> Obtained on the island of Borneo, Sumatra and Riau.<\/span> The wood is termite resistant and caterpillars pole, although hard, but it is rather easy to be processed.<\/span> Widely used in building water and in the construction of great use as pegs (steel).<\/span> The color is light brown and gradually become the old brown.<\/span><\/p>\n

\uf0b7 Rasamala<\/strong><\/span>
\n Usage Level II, Level II durability, level of strength II BJ = 0.6 to 0.8 is widely available in West Java and Sumatra.<\/span> Initumbuhnya trees better suited for areas whose height is more than 500 m above sea level.<\/span> The wood is termite resistant and in a sheltered place and unchanged levels Legas, also resistant to powdery.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

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