ENES102 Project_F05__Intro

ENES102 Project_F05__Intro - TOWER CRANE DESIGN PROJECT...

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TOWER CRANE DESIGN PROJECT ENES 102 – Fall 2005 The objective of this project is to design a tower crane like the one shown in the attached photograph (Figure 1). Tower cranes are used in the construction of large buildings. The two major parts of the crane are the tower and the boom. The boom is attached to the tower at an off- center position – the loads are carried on the long side of the boom while the short side carries a counter weight. In many cases there are separate booms for the counter weight and the load rather than one long boom. The load is lifted by a cable-pulley system that can be positioned anywhere along the long side of the boom. The counter weight is used to minimize the moment on the tower. In order to strengthen the boom, the tower extends above the boom and two stayed cables connect the tip of the extension to the long and short sides of the boom (Figure 2). The crane that you design is to be used for the construction of a 15-story (50 m high) office building. The building is 40 m wide and 30 m deep, and is located only 3.5 m from a five-lane street. The city commissioners are cooperative and are willing to permit the construction firm to
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This note was uploaded on 04/07/2008 for the course ENES 102 taught by Professor Biegel during the Fall '07 term at Maryland.

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ENES102 Project_F05__Intro - TOWER CRANE DESIGN PROJECT...

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