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Bearing Structures

August 12, 2017 18:08

Floor beams reinforced concrete - make reliable support for each floor

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overlap device according to the reinforced concrete beams - what does it mean?

In today's construction in order to design or construction to withstand high values ​​of tensile load and bending moments, using reinforced concrete beams.These products are used in the device of the foundation and floor.According to the method of production of RC beams are divided into two groups: prefabricated and monolithic.National made in factories, while the monolithic - right on the site.It is advisable to do

RC beam ceiling with his hands because of the availability of the necessary building materials and simplicity of technology.By making the beam yourself, you can get the product right size, because they do not always have the opportunity to order a bolt with the required parameters.The cost of self-made beams are much lower factory.

Concrete beams concrete slabs overlap - characteristic designs

The most significant advantage of the crossbars is their strength, rigidity and reliability, because if all the technology in the manufacture of reinforced concrete are met, it turns out very strong.Another advantage of this material is its durability.RC beam does not corrode, does not rot, which significantly extends their service life.They are also fire resistant.These beams can be covered fairly long spans in size.

weight of these products is a disadvantage because complicates their assembly and transport, as well as prior to construction will require additional calculations foundation strength.RC beam is not used for covering or wooden frame structures as load-bearing capacity of the walls of these structures is much lower than brick or monolithic.

For independent manufacturing crossbars needed: material for exhibiting formwork, concrete mixture, fittings, welding machine or special crochet hook knitting with wire.Now is the time to consider the manufacturing process.

Floor beams reinforced with his own hands - Getting Started

Floor beams of reinforced concrete, the size of which will depend on the span and test load are made after the formwork device.For formwork bottom using wooden shield, while the side walls -. Plywood or planks 3-5 cm thick

To facilitate the removal of the formwork of its side walls are upholstered with roofing felt or plastic wrap. Formwork must be carefully strengthened on all sides, to the concrete mix without giving her why all the work will come to nothing.After that you can start making the reinforcement cage.

Depending on the length of flight and test future loads from concrete beams concrete slabs can be equipped with upper and lower frame or only the bottom.The lower frame must be placed 3 cm above the bottom of the formwork, the concrete mix to fill it completely.

necessary to use not thinner valve 10 mm, since the lower frame undergoes tensile loading, it must be solid throughout the length of the beam.The frame is welded or knitted wire.You can then concreted.

To produce crossbars should be used concrete mix , cooked according to the recipe: part cement, two parts sand, four pieces of rubble fines and the amount of water.After placing the concrete in the formwork, it should be compacted vibrators.

Fill is performed without interruption, that is already laid concrete mix should not have time to get to grips until the entire bar will not be flooded.Formwork is desirable to remove not earlier than two weeks.After installation, improvised crossbars can be carried out overlapping device for concrete beams.

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