How a Skyscraper Is Made.

Topics: Burj Khalifa, Taipei 101, Skyscraper Pages: 3 (699 words) Published: March 3, 2011
Taov Stas
Ilene Sova
24 June 2010
How a Skyscraper is Made.
Throughout history humanity always tends to protect themselves from Mother Nature. Prehistoric people used caves for this purpose to cover their heads from the natural phenomena. From earlier generation, appeared the tendency of tall buildings for many reasons. Ancient Egyptians for example, built the pyramids, which were used like tombs for Pharaohs. In medieval Europe people built castles, enormous massive constructions, which were used like shelters. In addition, economic consideration and human ego played a significant role in the scope of the construction. The next extensive step in building tall constrictions occurred during the industrial revolution when the growth of economy demanded new technologies and new knowledge. In the era of economy boom all businesses in cities wanted to have their offices near the center of town, and also, more people wanted to live there, but there was not enough space. Architects and engineers needed a way to expand the metropolis upward rather than outward. As a result, the era of the skyscraper is taking off, and new method to build tall structures had been established. The process of construction is quite complex which contains three main stages: construction the substructure, construction the superstructure, and construction the exterior.

The substructure is a foundation slab, which plays a crucial role in stability of the skyscraper. The first step is to prepare a foundation pit when bulldozers take off fertile soil layer and then this layer is disposed by trucks in special place where it is regenerated for following using. The next step usually begins with digging a pit that will hold the foundation. The depth of foundation pit depends on how far down the bedrock lies and how many basement levels the building will have. When the foundation pit is an altitude depth, which is mentioned in a project builders start to construct a reinforced...
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