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Need help with my writing homework on Structural Stability Analysis. Write a 750 word paper answering;
Need help with my writing homework on Structural Stability Analysis. Write a 750 word paper answering; They are a base composed of a platform resting on four separate supports (called pylons or bents), it is a sort of bar stool, very sturdy, standing on 4 main pillars that are bonded and extended with a much lighter batter at the smaller level that constitutes the second floor, above this, a slender tower created as the bents taper upward, rising above a second platform to merge in a unified column. .The weight of the tower is not distributed uniformly along with the height of the Tower. there is more material at the base than near the top.
The Tower consists of lattice-work columns at each of the four corners, in which diagonals connect four elements, thus making stiff, but lightweight columns. Each primary element is composed of many sub-elements. The overall structure has a vertical axis between the two columns, but individually, each column has its axis that follows the curve of the elements. These axes are idealized as parabolas.
Four types of loads act on the Tower: Dead load, Live load, Wind load, and Thermal load. The dead load and the Wind load generate more forces as compared to the rest. Owing to its lattice structure, the tower is relatively lightweight and creates a force of only 4.5 kg/cm2 on the foundation.
The force of the wind causes the top of the Tower to sway 6 to 7 cm. .The wind force is one of the chief forces which create horizontal loads over the tower. It can be understood as a type of uniformly distributed load over the entire height of the tower. The overall bending moment from the horizontal wind load will produce tension in one column and compression in the other. Exaggerated action under wind load is shown in the picture.
The wind pressure on the Tower is stronger near the top than at the bottom, but the wind force is fairly uniform because the Tower is tapered.
The wind force will create a higher vertical reaction in the leeward support and a lower vertical reaction in the windward support because the wind alone would create compression in the leeward support and tension in the windward support. In combination with the forces generated by the dead load, the forces can be seen as stated in the diagram.
