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This document discusses the unique construction methods used for two buildings from the 1950s, Johnstone Hall and Shanghai Tower. [1] Johnstone Hall implemented a new "lift-slab" construction method where reinforced concrete slabs weighing 224 tons were lifted into place with hydraulic jacks, making it the largest building built with this method. [2] Shanghai Tower is currently under construction using a top-down method involving temporary circular slurry walls to excavate deep foundations before the wa

Author

Ukhti EvHa

Language

EN