新材料・新工法（材料）(2)

[V-122] Application of slump retention admixture to precast slab bridge connection concrete in highway slab replacement work

〇Seishi Shiraiwa¹, Atsushi Yatagai², Wataru Doi³, Daisuke Suzuki⁴, Taichi Nakamura⁵ (1.Hazama Ando Corporation, 2.Hazama Ando Corporation, 3.Hazama Ando Corporation, 4.YAMASO CHEMICAL Corporation, 5.East Nippon Expressway Corporation)

Keywords:highway slab replacement work, precast slab bridge connection concrete , slump loss, slump retention admixture