当別川橋（LB橋）の架設 - miyaji-eng.co.jp

1 34 337 4 1600t JV 14 1 337 2 3 4 21 10 10 23 12 9 5 2 6 7 8 P1 58 P2 A2 60 130m 1 2 1 2 3 4 5 LB Erection of the Tobetu Bridige 1 2 3 4 5 Jyunya KAWASAKI Hidekazu SAKANE Atsushi HIBIYA Hiroyuki ODAKE Ryuji NAKAGAITO

2 Summary If a list of world's longest-span bridge-was drawn up, many near the top would be Japan. Miyaji Iron Works has built up an impresive record in constructing numerous large bridges in this country. This paper reviews this record, commenting on the circumstances at the time of construction, structural characteristics, materials used and other issues. 337 4 1600t JV 14 337 21 10 10 23 12 9 2 ( )

3 P1 58 P2 A2 60 130 t=80mm t=12 21mmCL8417291841 134500(CL )P158 00'00"1300P113450060 00'00"1300136284130013247913001324791300 1300 136284(KCL )P2A2M 271363(KCL )45 30'0" *1 *4 *2 *5 *3 LB Erection of the Tobetu Bridige 1 2 3 4 5 Jyunya KAWASAKI

4 Hidekazu SAKANE Atsushi HIBIYA Hiroyuki ODAKE Ryuji NAKAGAITO Summary If a list of world's longest-span bridge-was drawn up, many near the top would be Japan. Miyaji Iron Works has built up an impresive record in constructing numerous large bridges in this country. This paper reviews this record, commenting on the circumstances at the time of construction, structural characteristics, materials used and other issues. 337 4 1600t JV 14 337 21 10 10 23 12 9 2 ( )

5 P1 58 P2 A2 60 130 t=80mm t=12 21mmCL8417291841 134500(CL )P158 00'00"1300P113450060 00'00"1300136284130013247913001324791300 1300 136284(KCL )P2A2M 271363(KCL )45 30'0" *1 *4 *2 *5 *3 1 2 LB Erection of Tobetsugawa Bridge (LB bridge)

6 4 Hidekazu SAKANE 2 Norinaga KAWASAKI 1 Atsushi HIBIYA 3 Hiroyuki ODAKE 4 Ryuji NAKAGAITO 5 LB 35 20mm 2 2 1 3 4 3m 5 550t 1 2 3 20mm 2

7 3 550 (1) (2) (3) STEP 2 STEP 1 20mm 2

8 3 550 (1) (2) (3) STEP 2 STEP 1 4 3 5 20mm 2

9 3 550 (1) (2) (3)