What is a concrete beam?
In structural engineering, the concrete beam is a support unit that can be used to transport horizontal and vertical loads. These rays, known as reinforced concrete rays or reinforced cement (RCC), are made by wrapping steel rods, boards or fibers into concrete. Such steel reinforcements increase the power of the beam and allows the beam to cope with tensile tension and resist bending. Without steel reinforcement, the concrete beam would be fragile and broke under the load on it. This similarity ensures that there is a small or no internal stress caused by thermal expansion and differences in thermal contraction between the two materials. Otherwise, such differences could weaken a concrete beam. Another factor that allows for further efficient voltage transmission between steel and concrete corresponds exactly to the surface of the steel. To make steel and concrete binding better together, the steel is generally undulating or roughened. If steel rust, expand and cracked and separated from closingBetting concrete. This would again weaken the structure of the beam.
concrete rays are widely used in the current construction of buildings and when building highway bridges. It is common for bridges to use prestressed concrete rays. These rays are produced by stretching high -firm steel tendons, casting the concrete around them and then by relaxing the tendons when the concrete begins to treat. Rectangular cross -sections and cross -sections of universal rays are commonly used in the construction of steel building. The universal beam is also known as I-Beam, wide beam or universal column.
various mathematical methods, calculated by the computer program of the beam calculator, are used to determine the internal and external forces of the concrete beam and the deviation of the beam. The forces of the beam are determined by the method of direct stiffness or shift, the method of distribution of torque and the flexibility method. The beams are determined by the method of deflection of the inclination and the method of virtual work. The equation of the Euler-Bernelli beam is commonly used to analyze the beams of the beam structures.
In order for the construction to be structurally sound, it is important that engineers calculate how much load the concrete beam can safely carry and the types of forces that will be stored on it. Rads are also looking for structural safety, as in reducing contact with a beam with building materials that can be fragile. The beam deflections can also be made to make architecture aesthetically pleasant; For example, to ensure that there are no sags in the rays.