Japan Society of Civil Engineers 2020 Annual Meeting

Presentation information

[共通セッション] BIM/CIMの活用とこれから

BIM/CIMの活用とこれから(3)

Chair:Hiroaki Mori

[CS14-21] Study of New type replaceable precast concrete block

〇Michio Nakajima1, Takeshi Watanabe2, Shigenobu Iguchi3, Masakazu Yanagawa4, Matsushita Hiroaki5 (1.TOYO Construction CO.,LTD., 2.PACIFIC CONSULTANTS CO.,LTD., 3.East Japan Railway Company, 4.SHIMIZU CORPORATION, 5.MARUEI CONCRETE INDUSTRY Co.,LTD.)

Keywords:Productivity improvement, Precast, Joint Strucure

Precast (PCa) concrete members are being promoted as a measure to improve construction productivity, but many of them are incapable for replacement of deteriorated members.
Here, the main purpose of the study is to improve productivity, and to devise a replaceable and versatile PCa member.
By combining PCa members like a LEGO block, we devised a shape that enables assembly and removal.
Based on the basic straight line parts, the base parts and corner parts that can connect them are combined to make it possible to configure the shape of the rahmen structure, beams and columns.
The size of the members is 1.0m x 1.0m x 4.0m weighting approx. 9.8 tons ,enabling it to be transported by a 10tones truck.

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