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TOWER CRANE REINFORCED CONCRETE LOWER SUPPORT STRUCTURE AND CONSTRUCTION METHOD THEREOF
TOWER CRANE REINFORCED CONCRETE LOWER SUPPORT STRUCTURE AND CONSTRUCTION METHOD THEREOF
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机译：塔吊钢筋混凝土下部支护结构及其施工方法
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摘要
The present invention relates to a construction method to install a reinforced concrete (RC) lower support structure to reinforce a tower crane. More specifically, the construction method is provided to construct an RC lower support structure to support a heavy weight tower crane, to allow easy installation of the tower crane, and to provide a high degree of strength for reinforcement. The present invention has the effects of easy installation, repair, and maintenance by distributing the weight of the tower crane; to enhance a stability of a ground contacting the tower crane; and stably maintaining a long term use of the tower crane by increasing a lifecycle. According to the present invention, the construction method comprises: excavating in a predefined depth; constructing a plurality of pile and column posts (C) vertically and arranging reinforcing bars in a grating form to form a base (100); arranging the reinforcing bars to form a plurality of protrusions (300) exposed to a predefined height from the ground on an upper surface of the base (100); vertically forming a plurality of coupling portions (400) on the protrusions (300) to combine to the lower ends of the tower crane (T); installing partitions to pour cast-in-place concrete around the reinforcing bars; pouring cast-in-place concrete; dismantling the partitions upon curing the concrete and the reinforcing bars; and installing a tower crane frame on coupling portions (400).;COPYRIGHT KIPO 2016
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