Presentation Information

[III-36]Evaluation of Box Culvert Extension on Existing Structures

*Hiroaki Fujimori1, Hirofumi Hisada1, Junko Kimura2, Kenta Yoshizawa2 (1. Nippon Expressway Research Institute Company Limited, 2. Oriental Consultants Co., LTD.)

Keywords:

Culvert,Widening,Extension,Four lanes,Joint