August 12, 2017 18:07

«How to calculate the load on the beam with the help of the program?" - This question asks himself every newcomer, who first encountered this problem.Below is the step by step instructions for calculating:

- first of all, you need to select the calculator design, which will be used beams.It should be remembered constraint indicators: in the rafter system, the maximum length is 13 meters, and in the ceiling - 12 meters;
- then indicate the maximum span girders, and in the case of roof system - the maximum distance between supports;
- recorded distance over which you plan to install the beam.If you specify a decimal value as a separator of numbers, use a point, not a comma.For example, the number of 0.7 m;
- fixed design load per square meter (in kilograms).Standard calculation load on truss system are equal to 220 kg / m2, and the soffit - 400 kg / m2;
- latest specified angle rafters (in degrees).

All data must be accurate and not approximate, otherwise the calculation will be incorrect.

In this section we consider a more economical option that will suit any home.Currently, wooden beams of the ceiling is the most popular in construction.This is because such a beam is easily manufactured and assembled.In order to calculate the load on them, you must use a ruler and a calculator plane.

So, taking all the necessary, you can start the sequence of actions specified in the instructions below:

- first, forward bending strength of the section, taking into account the ratio of (5: 7), that is at the height of the beam to 7 meters, the width will beIt is 5 meters;
- secondly, we find out the beam deflection based on the ratio of 1: 200 or 1: 300 of its total length;
- third, the beam need to undermine a plane so that it came out in the form of an arch.This eliminates the ceiling dropping down as a "bubble".
- Fourthly, it is necessary to take into account the weight of the beam, which also creates a certain load.

Important!Step beams mounted must coincide with the installation step studs.

Using beams is the most cost-effective options for installing home floors.Such beams produce and easy to mount, they have low heat conductivity compared to steel or concrete.

Wooden beams have a number of disadvantages such as the need for large cross-sections due to low mechanical strength of the material and low fire resistance, resistance to the damaging effects of micro-organisms and termites, so they must carefully handle the fire retardant and antiseptics.

Currently, the building materials market can buy beams of laminated veneer lumber, which have a vertical or horizontal position of the slats, as well as the I-laminated wooden beams, which can be combined with the OSB.To this list can be added and wood-metal joists, and spatial wooden beams.