Science Links Japan | Underground flood control diversion channel project for The 21st (next, coming) century. Deep-shaft construction for the flood control diversion channel in the outer Tokyo-metropolis.

Underground flood control diversion channel project for The 21st (next, coming) century. Deep-shaft construction for the flood control diversion channel in the outer Tokyo-metropolis.

Accession number;99A0167903

Title;Underground flood control diversion channel project for The 21st (next, coming) century. Deep-shaft construction for the flood control diversion channel in the outer Tokyo-metropolis.

Author; MIYAO HIROKAZU (Minist. of Constr., Kanto Reg. Constr. Bur.) KAMOSHITA YOSHIO (Minist. of Constr., Kanto Reg. Constr. Bur.) KIDO TOSHIO (Kajima Corp.)

Journal Title;Cement & Concrete

Journal Code:F0277A

ISSN:0371-0718

VOL.;NO.623;PAGE.24-31(1999)

Figure&Table&Reference;FIG.14, TBL.8, REF.1

Pub. Country;Japan

Language;Japanese

Abstract;1) This construction is for a flood contorol countermeasure in middle part of the basain of Nakagawa and Ayaswgawa which arechronic flooded district by the progress of the rapid urbanization. 2) It is scheduled to drain the part of the flood of these rivers by connecting Najadawa, Kuramatugawaand Tonegawa to Edogawa. This paper introduces following items. 1) The outline of the construction. 2) As concrete construction in the outer fence flood way, the concrete construction situation of the fourth vertical shaft diaphragm wall in the earth and vertical shaft main body construction. Temperature crack of the deep diaphragm wall concrete was prevented by using low exothermic reaction cement of three-componet system.

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