The weight of a bar of natural moisture 150х150х6000 mm, depending on wood species

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2018-03-24 12:16:10

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When designing a different sort of wooden structures often use such parameter as the weight of those timbers from which they are supposed to produce. It would seem that such information can be obtained from specialized references. However, in this literature, unfortunately, often specify only the weight of 1 m3 beam or, for example, boards. Acquire lumber is often not cubic feet, but just individually.

Length sold woodworking workshops of the timber may be different. But most often such companies sell the lumber on 6 m. So what, for example, can be the weight of a bar of natural moisture 150х150х6000 mm? To find out, you'll have to do some simple independent calculations.

How to determine the weight of the lumber by the piece

What determines the weight of the lumber

It is Clear that the more moisture contained in the timber, so it will be harder. However, depends on the weight of such timber not only from this factor. Performing the calculations, in this case, be sure to take into account the actual characteristics of the wood. After all, for example, beams of oak would in any case be heavier than the timber of the birch.

What is a natural humidity

So, how to calculate the weight of the wooden beams of natural humidity 150х150х6000 mm a particular breed? To do these calculations actually not too difficult. However, before you start the calculation, it's worth to define the concept of “natural moisture”.

In the construction and in the manufacture of different kinds of products, is used exclusively the wood of a moisture content of 12-15%. And even such boards and timber prior to application, in most cases, additionally dried for some time.

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Humidity is only sawn wood will, of course, very high. In any case, 12-15% rate will exceed greatly. That is the humidity and called natural. That is, we ultimately need to know the weight of wooden Bursa in standard lengths a cross section of 15x15 cm, made of freshly sawn wood.

Take into account the breed

The basis For the implementation of such operations should take data from the table the weight of the lumber in cubic meters.

the Density and moisture content

Perform calculations in this case are as follows:

  • Know the number of bars of a given length and cross-section 1 m3;

  • By simply dividing the calculated weight of one unit of lumber.

One cubic meter of timber having a size of 150х150х6000 mm, thus, will contain 1 : 0.15 : 0.15 : 0.15 :6 = 7.4 pieces. To know the weight of the beam, in this case you need:

  • To see the weight of a cubic meter for that particular type of wood;

  • Split this parameter to the number of bars per cubic meter.

For example, at a humidity of 15% 1 m3 pine lumber weighs, according to the table above 440 lbs. That is, the calculation in this case will look like this:

  • 440 / 7.4 = 59.5 kg.

It is Easy to determine also, the weight of the timber 150х150х6000 mm larch of the same moisture content will be equal to 90.5 kg. For aspen, this figure will amount to 67.6 kg.

Standard beam 15x15 cm

Instruction for calculating the weight of a bar of natural humidity 150х150х6000 mm

Thus, the weight of the lumber to a predetermined moisture content to recognize not too difficult. For this you need only to solve two simple mathematical example. But what is the weight of a bar of natural humidity 150х150х6000 mm? In order to determine, among other things, you need to know and the last index for a particular species of wood.

To Receive such information from the special tables. So, for example, the natural moisture of the pine trees is 60-100%, larch - 50-70%, birch - 70-90%. These parameters should be taken in this case to calculate the weight. Accurate calculations at the same time, for obvious reasons, to do will be impossible.

So, what is the weight of 150х150х6000 mm beams of natural humidity? Based on the data tables presented above:

  • Beams of pine of these dimensions will weigh from 580/7.4=78.3 (60%) to 730/7.4=98.6 (100%) kg;

  • The weight of a bar of natural moisture 150х150х6000 mm of larch to range from 820 / 7.4 = 110.8 kg to 930 / 7.4 = 125.7 kg.

Similarly, you can perform the calculation of beams of such dimensions natural moisture for any other breed.

Specific gravity

Types of wood density are distinguished only two:

  • The dimensional weight (density of the physical body of wood);

  • Specific gravity (density of wood fibers directly).

Above we have considered the method of determining volume weight of timber 150х150х6000. The natural moisture or specified for such calculation-the figure is important. Indeed, in this case, the weight depends on the number contained in the wood structure moisture. But if you wish for beams can be calculated and the rate density.

Specific gravity of wood by species

It can be Done using the table presented above. The calculations inthis case will be conducted without regard to humidity. That is, to compute we need to find the number of beams of a certain size per cubic meter and simply divide it by the number index from a table.

Thus, for pine 520 / 7.4 = 70.3 kg — is the specific gravity of the timber 150х150х6000. Natural humidity - allowable operating or any other - in this case have no effect.


Article in other languages:

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DE: https://tostpost.com/de/gem-tlichkeit/21767-gewicht-holz-der-nat-rlichen-feuchtigkeit-150h150h6000-mm-in-abh-ngigk.html

ES: https://tostpost.com/es/la-comodidad-del-hogar/21784-el-peso-de-la-barra-la-humedad-natural-de-la-150h150h6000-mm-dependien.html

KK: https://tostpost.com/kk/domashniy-uyut/21743-salma-y-ar-aly-tar-tabi-i-yl-aldyly-yn-150h150h6000-mm-baylanysty-s-re.html

PL: https://tostpost.com/pl/komfort-domu/21707-waga-belki-naturalnej-wilgotno-ci-150h150h6000-mm-w-zale-no-ci-od-gatu.html

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UK: https://tostpost.com/uk/domashn-y-zatishok/21734-vaga-brusa-prirodno-vologost-150h150h6000-mm-v-zalezhnost-v-d-porodi-d.html






Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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