Chapter 12

Bridge Abutment Made of Cement-Mixed Gravel Backfill

Fumio Tatsuoka1; Masaru Tateyama2; Hifumi Aoki3; Kenji Watanabe2    1 Tokyo University of Science, Chiba, Japan2 Railway Technical Research Institute, Tokyo, Japan3 Japan Railway Construction Agency, Yokohama-shi, Japan

Abstract

This chapter describes a new type of bridge abutment consisting of the backfill of geogrid-reinforced, cement-mixed gravely soil and a thin reinforced concrete (RC) parapet structure (i.e., a parapet) supporting a bridge girder, which was completed in 2003 for a new bullet train line in Kyushu, Japan. The backfill and the parapet are firmly fixed to each other with geogrid layers embedded in the cement-mixed backfill. This structure is very unique in that ...

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