Title:
超高強度繊維補強コンクリート複合プレキャストＰＣ床版
Document Type and Number:
Japanese Patent JP6992544
Kind Code:
B2
Abstract:
To provide an ultrahigh strength fiber-reinforced concrete composite precast PC floor slab, using ultrahigh strength fiber-reinforced concrete, utilizing the characteristics of the UFC, and further capable of economically attaining the labor saving and rapidness of floor slab installation work.SOLUTION: Provided is an ultrahigh strength fiber-reinforced concrete composite precast PC floor slab at least comprising: a floor slab concrete part 11; and an ultrahigh strength fiber-reinforced concrete part 13 formed on the upper part of the floor slab concrete part 11, in which the floor slab concrete part 11 and the ultrahigh strength fiber-reinforced concrete part 13 are integrally formed in a fresh state, and further, pre-stress is introduced in a bridge axis traverse direction.SELECTED DRAWING: Figure 1
Inventors:
Kazunari Sasaki
Seido Oba
Toshio Nomura
Seido Oba
Toshio Nomura
Application Number:
JP2018011010A
Publication Date:
January 13, 2022
Filing Date:
January 25, 2018
Export Citation:
Assignee:
Obayashi Corporation
International Classes:
B28B23/06; E01D1/00; E01D19/12; E04F15/08
Domestic Patent References:
| JP2017110399A | ||||
| JP2015129393A | ||||
| JP2017172143A | ||||
| JP2016029005A | ||||
| JP2018091063A | ||||
| JP8338005A |
Attorney, Agent or Firm:
Ryoichi Ishizuka