施工技術 (2)

[VI-45] Rectangle box culvert by propulsion method in current E1Tomei expressway banking area

小山 亮介¹、*佐藤 健二朗²、俊成 安徳²、今倉 和彦² (1. 中日本高速道路、2. 大林組)

Keywords:Box propulsion method, Pipe roof, Tomei Express way, Minimum soil coverage.

The isehara junction,The junction between Sinntoumei express way and Toumei express way.Along with Isehara junction construction ,a new box culvert is planned to construct due to the narrow width of walkway and hindrance to the traffic of current box culvert which cross throug the current Toumei express way.The box culvert which is newly constructed is 4m in inner width ,5.25m in height and 45.3m in length with minimum soil coverage of 1.7m and up of pipe roof is constructed by propulsion method.And here is the report of that rectangular box colvert ,how it constructed without disturbing the traffic of current Toumei express way through the condition of minimum soil coverage.