SEISMATIC ANALYSIS FOR JOINTS BETWEEN HIGH-RISE BUILDINGS AND PUBLIC UNDERGROUND PASSAGE UNDER THE FRONT STREET OF SAPPORO CITY STATION

Abstract

Utilization of underground space has become more popular in our country before and after the enactment of the Deep Underground Law in 2000. The construction of underground passage and shopping center is advancing, and a lot of joint structures between underground passage and building are constructed. These joints, that is, structural change points are known as vulnerable portion to earthquake. However, the structural requirement and/or design method etc. of the joint has not authorized yet.
As one of the functional reclamation program of town, augmentation of public underground passage at the front street of Sapporo station and construction of joints between the passage and important buildings are planned in cold and snowy city to improve the user-friendliness of the underground passage.
This paper presents study results on standard of structural requirement and design method for such joint portion.