User-friendly unified standards
Standard shape dimensions for the publication "Guidelines for Road Earthworks and Culvert Works" by the Japan Road Association.
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basic information
【Features】 ○ Made of high-strength concrete for high durability. ○ Rectangular cross-section, effective waterway cross-section even in narrow land widths. ○ Can be used with shallow soil cover, allowing for a shallower excavation bottom position. ○ The bottom of the box culvert is flat, making installation easy. ○ Being a rigid pipe, backfilling is also easy. ● For more details, please contact us.
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Company information
Kyouritsu Co., Ltd. has established a solid foothold as a comprehensive manufacturer of ready-mixed concrete and secondary products, accumulating many achievements in the development of bright and livable environments. We will work together as a united team to contribute to the development of society by responding to the diverse needs of construction projects with "the highest quality."
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