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“Friends welcome back to civil engineering mastery in this video we shall discuss about different different types of structural forms in structural design the major important part is load transfer structural forms are used to transfer the load from one point to the other point of the structure. The most commonly used structural forms are beams plane frame space frame plane truss and space stress apart from this there are few other structural forms are available and those are arches and cables and plates and shells in this video. We are going to discuss about the above five types of structural forms each type of structural forms supports the load in a different way let us discuss in detail about each type of structural forms they are usage. How they are transferring the load and what are all the internal forces developed beam each type of structural forms the first one is the beams beams are the horizontal simple structural element compared to the other structural forms and they are primarily subjected to bending beam deflects in the same plane.
But it does not twist all the forces acting on the beam produce shear force bending moment and that create internal stresses. Trine and deflection of the beam. Here are a few examples for beams. The first one is the simply supported beam here the beam is supported at one end in roller.
Support the other end in pin..
Support. Here is the continuous beam. The both in of the continuous beams are fixed and the middle. It is having two injured support plane frames are the two dimensional structural forms and they are made up of beams and columns you can see here the horizontal.
Members are beams and the vertical. Members are columns in plane frame. All the members lie in the same plane and they are rigidly connected at joints here. All the joints are rigidly connected the internal forces developed in the plane frames or bending.
Moment shear force and axial force the next one is the space frame..
It is the three dimensional structural form. And it is made up of beams and columns and they are rigidly connected in space frame the loads are transferred in a three dimensional manner and also the loads are free to act any veil on the frame. The internal forces developed in the space frame. Our bending moment shear force and axial force till.
Now we have discussed about beams plane frame and space for him they are mainly used in rcc structures. Now we are going to discuss about plane truss and space truss. They are mainly used in steel structures plane. Trusses or two dimensional structural forms in plane truss.
All the members are assumed to be in same plane..
That is in x and y plane here is the plane truss these are all the members and these are all the joints and here is the support. It is the triangulated system of members connected by means of pin join and they are mainly subjected to axial force. Only that means. There is no bending moment in process.
These members are rigidly connected at joins and due to this rigidity bending moments are introduced. But they are negligible. Tresses could move either horizontally or vertically or combination of them that means trusses can have only roller support and hinged support. This plane trusses can be used in railway stations.
Railway bridges and factories..
The next one is the space truss. It is the three dimensional structural form and members are oriented in all the three direction communication tower. Power transmission tower and cranes are few examples for space truss similar to the plane truss all the members in the space. Truss also carry only axial force friends hope you all liked this video.
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“This video explains about different types of structural forms and their applications.”,
types of structural forms, beams, plane frame, space frame, plane truss, space truss, most commonly used structural forms