FIELD MEASUREMENTS AND PREDICTIVE ESTIMATES OF GROUND HEAVE AND SETTLEMENT OF A BEARING STRATUM SUPPORTING THE SPREAD FOUNDATION OF A SKYSCRAPER

Abstract

The surveyed building consists of a 234 m high skyscraper, which is connected to two 30m-high low-rise structures. The total area of the building is 200 m × 84 m. The high-rise part is supported by a spread foundation on the Tokyo Gravel Stratum at GL-29 m and the low-rise parts are supported by pile foundations with the lower end of the piles on the same stratum. This paper describes the results of the field measurements of the ground heave and settlement on the bearing stratum during construction period, and compares the results with the predicted ground heave and settlement.