改良土・軽量土（強度）

[24-6-1-03] Indoor mixing test for backfill material after removing existing piles. (Part 6) Long age strength and strength development during
low temperature curing

*ENDOU MASAHARU¹, Toshihiro Mori¹, kazuhiko Funada², Hikari Hotta², Shinichi Hamaguchi³, Hiroyuki Hashida³ (1. KUMAGAI GUMI Co.,Ltd., 2. MAETA Concrete Industry Co.,Ltd, 3. YOKOHAMA WRIGHT Industries Co.,Ltd.)

Keywords:backfilling, compression, prefabricated pile, precast pile